Applied H.J.Lu's patch to not require -lpthread when compiling single threaded Objective-C programs.
From-SVN: r35141
This commit is contained in:
H.J. Lu
Ovidiu Predescu
parent
0ea1e106b2
commit
15794a9567
12 changed files with 1723 additions and 36 deletions
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@ -5122,6 +5122,15 @@ Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
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* ifcvt.c (if_convert): Do not free NULL.
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2000-05-12 H.J. Lu (hjl@gnu.org)
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* gthr-dce.h: Add support for libobjc.
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* gthr-posix.h: Likewise.
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* gthr-solaris.h: Likewise.
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* gthr-vxworks.h: Likewise.
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* gthr-single.h: Likewise.
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* gthr-win32.h: Likewise.
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2000-05-12 Nick Clifton <nickc@cygnus.com>
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* config/fr30/fr30.c (fr30_move_double): New function: Emit code
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313
gcc/gthr-dce.h
313
gcc/gthr-dce.h
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@ -1,6 +1,6 @@
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/* Compile this one with gcc. */
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/* Copyright (C) 1997 Free Software Foundation, Inc.
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/* Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
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This file is part of GNU CC.
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@ -48,7 +48,7 @@ typedef pthread_mutex_t __gthread_mutex_t;
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#pragma weak pthread_once
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#pragma weak pthread_once_init
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#pragma weak pthread_key_create
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#pragma weak pthread_keycreate
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#pragma weak pthread_key_delete
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#pragma weak pthread_getspecific
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#pragma weak pthread_setspecific
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@ -58,6 +58,21 @@ typedef pthread_mutex_t __gthread_mutex_t;
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#pragma weak pthread_mutex_trylock
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#pragma weak pthread_mutex_unlock
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#ifdef _LIBOBJC
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/* Objective C. */
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#pragma weak pthread_cond_broadcast
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#pragma weak pthread_cond_destroy
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#pragma weak pthread_cond_init
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#pragma weak pthread_cond_signal
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#pragma weak pthread_cond_wait
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#pragma weak pthread_exit
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#pragma weak pthread_getunique_np
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#pragma weak pthread_mutex_init
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#pragma weak pthread_mutex_destroy
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#pragma weak pthread_self
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#pragma weak pthread_yield
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#endif
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static void *__gthread_active_ptr = &pthread_create;
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static inline int
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@ -76,6 +91,298 @@ __gthread_active_p (void)
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#endif /* SUPPORTS_WEAK */
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#ifdef _LIBOBJC
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/* Key structure for maintaining thread specific storage */
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static pthread_key_t _objc_thread_storage;
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/* Thread local storage for a single thread */
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static void *thread_local_storage = NULL;
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/* Backend initialization functions */
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/* Initialize the threads subsystem. */
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static inline int
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__gthread_objc_init_thread_system(void)
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{
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if (__gthread_active_p ())
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/* Initialize the thread storage key */
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return pthread_keycreate (&_objc_thread_storage, NULL);
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else
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return -1;
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}
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/* Close the threads subsystem. */
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static inline int
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__gthread_objc_close_thread_system(void)
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{
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if (__gthread_active_p ())
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return 0;
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else
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return -1;
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}
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/* Backend thread functions */
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/* Create a new thread of execution. */
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static inline objc_thread_t
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__gthread_objc_thread_detach(void (*func)(void *), void *arg)
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{
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objc_thread_t thread_id;
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pthread_t new_thread_handle;
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if (!__gthread_active_p ())
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return NULL;
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if ( !(pthread_create(&new_thread_handle, pthread_attr_default,
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(void *)func, arg)) )
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{
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/* ??? May not work! (64bit) */
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thread_id = *(objc_thread_t *)&new_thread_handle;
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pthread_detach(&new_thread_handle); /* Fully detach thread. */
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}
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else
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thread_id = NULL;
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return thread_id;
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}
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/* Set the current thread's priority. */
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static inline int
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__gthread_objc_thread_set_priority(int priority)
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{
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int sys_priority = 0;
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if (!__gthread_active_p ())
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return -1;
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switch (priority)
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{
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case OBJC_THREAD_INTERACTIVE_PRIORITY:
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sys_priority = (PRI_FG_MIN_NP + PRI_FG_MAX_NP) / 2;
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break;
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default:
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case OBJC_THREAD_BACKGROUND_PRIORITY:
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sys_priority = (PRI_BG_MIN_NP + PRI_BG_MAX_NP) / 2;
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break;
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case OBJC_THREAD_LOW_PRIORITY:
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sys_priority = (PRI_BG_MIN_NP + PRI_BG_MAX_NP) / 2;
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break;
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}
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/* Change the priority. */
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if (pthread_setprio(pthread_self(), sys_priority) >= 0)
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return 0;
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else
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/* Failed */
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return -1;
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}
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/* Return the current thread's priority. */
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static inline int
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__gthread_objc_thread_get_priority(void)
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{
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int sys_priority;
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if (__gthread_active_p ())
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{
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if ((sys_priority = pthread_getprio(pthread_self())) >= 0)
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{
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if (sys_priority >= PRI_FG_MIN_NP
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&& sys_priority <= PRI_FG_MAX_NP)
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return OBJC_THREAD_INTERACTIVE_PRIORITY;
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if (sys_priority >= PRI_BG_MIN_NP
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&& sys_priority <= PRI_BG_MAX_NP)
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return OBJC_THREAD_BACKGROUND_PRIORITY;
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return OBJC_THREAD_LOW_PRIORITY;
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}
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/* Failed */
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return -1;
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}
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else
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return OBJC_THREAD_INTERACTIVE_PRIORITY;
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}
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/* Yield our process time to another thread. */
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static inline void
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__gthread_objc_thread_yield(void)
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{
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if (__gthread_active_p ())
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pthread_yield();
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}
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/* Terminate the current thread. */
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static inline int
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__gthread_objc_thread_exit(void)
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{
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if (__gthread_active_p ())
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/* exit the thread */
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pthread_exit(&__objc_thread_exit_status);
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/* Failed if we reached here */
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return -1;
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}
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/* Returns an integer value which uniquely describes a thread. */
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static inline objc_thread_t
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__gthread_objc_thread_id(void)
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{
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if (__gthread_active_p ())
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{
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pthread_t self = pthread_self();
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return (objc_thread_t) pthread_getunique_np (&self);
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}
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else
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return (objc_thread_t)1;
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}
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/* Sets the thread's local storage pointer. */
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static inline int
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__gthread_objc_thread_set_data(void *value)
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{
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if (__gthread_active_p ())
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return pthread_setspecific(_objc_thread_storage, value);
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else
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{
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thread_local_storage = value;
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return 0;
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}
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}
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/* Returns the thread's local storage pointer. */
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static inline void *
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__gthread_objc_thread_get_data(void)
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{
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void *value = NULL;
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if (__gthread_active_p ())
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{
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if ( !(pthread_getspecific(_objc_thread_storage, &value)) )
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return value;
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return NULL;
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}
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else
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return thread_local_storage;
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}
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/* Backend mutex functions */
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/* Allocate a mutex. */
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static inline int
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__gthread_objc_mutex_allocate(objc_mutex_t mutex)
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{
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if (__gthread_active_p ()
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&& pthread_mutex_init((pthread_mutex_t *)mutex->backend,
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pthread_mutexattr_default))
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return -1;
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return 0;
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}
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/* Deallocate a mutex. */
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static inline int
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__gthread_objc_mutex_deallocate(objc_mutex_t mutex)
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{
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if (__gthread_active_p ()
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&& pthread_mutex_destroy((pthread_mutex_t *)mutex->backend))
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return -1;
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return 0;
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}
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/* Grab a lock on a mutex. */
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static inline int
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__gthread_objc_mutex_lock(objc_mutex_t mutex)
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{
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if (__gthread_active_p ())
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return pthread_mutex_lock((pthread_mutex_t *)mutex->backend);
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else
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return 0;
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}
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/* Try to grab a lock on a mutex. */
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static inline int
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__gthread_objc_mutex_trylock(objc_mutex_t mutex)
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{
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if (__gthread_active_p ()
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&& pthread_mutex_trylock((pthread_mutex_t *)mutex->backend) != 1)
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return -1;
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return 0;
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}
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/* Unlock the mutex */
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static inline int
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__gthread_objc_mutex_unlock(objc_mutex_t mutex)
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{
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if (__gthread_active_p ())
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return pthread_mutex_unlock((pthread_mutex_t *)mutex->backend);
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else
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return 0;
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}
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/* Backend condition mutex functions */
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/* Allocate a condition. */
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static inline int
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__gthread_objc_condition_allocate(objc_condition_t condition)
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{
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if (__gthread_active_p ()
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/* Unimplemented. */
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return -1;
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else
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return 0;
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}
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/* Deallocate a condition. */
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static inline int
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__gthread_objc_condition_deallocate(objc_condition_t condition)
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{
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if (__gthread_active_p ())
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/* Unimplemented. */
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return -1;
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else
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return 0;
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}
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/* Wait on the condition */
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static inline int
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__gthread_objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
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{
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if (__gthread_active_p ())
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/* Unimplemented. */
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return -1;
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else
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return 0;
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}
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/* Wake up all threads waiting on this condition. */
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static inline int
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__gthread_objc_condition_broadcast(objc_condition_t condition)
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{
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if (__gthread_active_p ())
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/* Unimplemented. */
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return -1;
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else
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return 0;
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}
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/* Wake up one thread waiting on this condition. */
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static inline int
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__gthread_objc_condition_signal(objc_condition_t condition)
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{
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if (__gthread_active_p ())
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/* Unimplemented. */
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return -1;
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else
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return 0;
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}
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#else /* _LIBOBJC */
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static inline int
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__gthread_once (__gthread_once_t *once, void (*func) (void))
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{
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@ -147,4 +454,6 @@ __gthread_mutex_unlock (__gthread_mutex_t *mutex)
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return 0;
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}
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#endif /* _LIBOBJC */
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#endif /* not __gthr_dce_h */
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315
gcc/gthr-posix.h
315
gcc/gthr-posix.h
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@ -1,6 +1,6 @@
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/* Threads compatibility routines for libgcc2. */
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/* Threads compatibility routines for libgcc2 and libobjc. */
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/* Compile this one with gcc. */
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/* Copyright (C) 1997 Free Software Foundation, Inc.
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/* Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
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This file is part of GNU CC.
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@ -45,16 +45,30 @@ typedef pthread_mutex_t __gthread_mutex_t;
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#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
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#pragma weak pthread_once
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#pragma weak pthread_key_create
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#pragma weak pthread_key_delete
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#pragma weak pthread_getspecific
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#pragma weak pthread_setspecific
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#pragma weak pthread_create
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#pragma weak pthread_once
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#pragma weak pthread_key_create
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#pragma weak pthread_key_delete
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#pragma weak pthread_getspecific
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#pragma weak pthread_setspecific
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#pragma weak pthread_create
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#pragma weak pthread_mutex_lock
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#pragma weak pthread_mutex_trylock
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#pragma weak pthread_mutex_unlock
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#pragma weak pthread_mutex_lock
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#pragma weak pthread_mutex_trylock
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#pragma weak pthread_mutex_unlock
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#ifdef _LIBOBJC
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/* Objective C. */
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#pragma weak pthread_cond_broadcast
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#pragma weak pthread_cond_destroy
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#pragma weak pthread_cond_init
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#pragma weak pthread_cond_signal
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#pragma weak pthread_cond_wait
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#pragma weak pthread_exit
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#pragma weak pthread_mutex_init
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#pragma weak pthread_mutex_destroy
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#pragma weak pthread_self
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#pragma weak sched_yield
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#endif
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static void *__gthread_active_ptr = &pthread_create;
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@ -74,6 +88,283 @@ __gthread_active_p (void)
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#endif /* SUPPORTS_WEAK */
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#ifdef _LIBOBJC
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/* Key structure for maintaining thread specific storage */
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static pthread_key_t _objc_thread_storage;
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/* Thread local storage for a single thread */
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static void *thread_local_storage = NULL;
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/* Backend initialization functions */
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/* Initialize the threads subsystem. */
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static inline int
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__gthread_objc_init_thread_system(void)
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{
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if (__gthread_active_p ())
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/* Initialize the thread storage key */
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return pthread_key_create(&_objc_thread_storage, NULL);
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else
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return -1;
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}
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/* Close the threads subsystem. */
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static inline int
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__gthread_objc_close_thread_system(void)
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{
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if (__gthread_active_p ())
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return 0;
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else
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return -1;
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}
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/* Backend thread functions */
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/* Create a new thread of execution. */
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static inline objc_thread_t
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__gthread_objc_thread_detach(void (*func)(void *), void *arg)
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{
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objc_thread_t thread_id;
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pthread_t new_thread_handle;
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if (!__gthread_active_p ())
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return NULL;
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if ( !(pthread_create(&new_thread_handle, NULL, (void *)func, arg)) )
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thread_id = *(objc_thread_t *)&new_thread_handle;
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else
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thread_id = NULL;
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return thread_id;
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}
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/* Set the current thread's priority. */
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static inline int
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__gthread_objc_thread_set_priority(int priority)
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{
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/* Not implemented yet */
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return -1;
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}
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/* Return the current thread's priority. */
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static inline int
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__gthread_objc_thread_get_priority(void)
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{
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if (__gthread_active_p ())
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/* Not implemented yet */
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return -1;
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else
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return OBJC_THREAD_INTERACTIVE_PRIORITY;
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}
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/* Yield our process time to another thread. */
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static inline void
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__gthread_objc_thread_yield(void)
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{
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if (__gthread_active_p ())
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sched_yield();
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}
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/* Terminate the current thread. */
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static inline int
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__gthread_objc_thread_exit(void)
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{
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if (__gthread_active_p ())
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/* exit the thread */
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pthread_exit(&__objc_thread_exit_status);
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/* Failed if we reached here */
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return -1;
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}
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/* Returns an integer value which uniquely describes a thread. */
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static inline objc_thread_t
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__gthread_objc_thread_id(void)
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{
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if (__gthread_active_p ())
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{
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pthread_t self = pthread_self();
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return *(objc_thread_t *)&self;
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}
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else
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return (objc_thread_t)1;
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}
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/* Sets the thread's local storage pointer. */
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static inline int
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__gthread_objc_thread_set_data(void *value)
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{
|
||||
if (__gthread_active_p ())
|
||||
return pthread_setspecific(_objc_thread_storage, value);
|
||||
else
|
||||
{
|
||||
thread_local_storage = value;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* Returns the thread's local storage pointer. */
|
||||
static inline void *
|
||||
__gthread_objc_thread_get_data(void)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
return pthread_getspecific(_objc_thread_storage);
|
||||
else
|
||||
return thread_local_storage;
|
||||
}
|
||||
|
||||
/* Backend mutex functions */
|
||||
|
||||
/* Allocate a mutex. */
|
||||
static inline int
|
||||
__gthread_objc_mutex_allocate(objc_mutex_t mutex)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
{
|
||||
mutex->backend = objc_malloc(sizeof(pthread_mutex_t));
|
||||
|
||||
if (pthread_mutex_init((pthread_mutex_t *)mutex->backend, NULL))
|
||||
{
|
||||
objc_free(mutex->backend);
|
||||
mutex->backend = NULL;
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Deallocate a mutex. */
|
||||
static inline int
|
||||
__gthread_objc_mutex_deallocate(objc_mutex_t mutex)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
{
|
||||
int count;
|
||||
|
||||
/*
|
||||
* Posix Threads specifically require that the thread be unlocked
|
||||
* for pthread_mutex_destroy to work.
|
||||
*/
|
||||
|
||||
do
|
||||
{
|
||||
count = pthread_mutex_unlock((pthread_mutex_t *)mutex->backend);
|
||||
if (count < 0)
|
||||
return -1;
|
||||
}
|
||||
while (count);
|
||||
|
||||
if (pthread_mutex_destroy((pthread_mutex_t *)mutex->backend))
|
||||
return -1;
|
||||
|
||||
objc_free(mutex->backend);
|
||||
mutex->backend = NULL;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Grab a lock on a mutex. */
|
||||
static inline int
|
||||
__gthread_objc_mutex_lock(objc_mutex_t mutex)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
return pthread_mutex_lock((pthread_mutex_t *)mutex->backend);
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Try to grab a lock on a mutex. */
|
||||
static inline int
|
||||
__gthread_objc_mutex_trylock(objc_mutex_t mutex)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
return pthread_mutex_trylock((pthread_mutex_t *)mutex->backend);
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Unlock the mutex */
|
||||
static inline int
|
||||
__gthread_objc_mutex_unlock(objc_mutex_t mutex)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
return pthread_mutex_unlock((pthread_mutex_t *)mutex->backend);
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Backend condition mutex functions */
|
||||
|
||||
/* Allocate a condition. */
|
||||
static inline int
|
||||
__gthread_objc_condition_allocate(objc_condition_t condition)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
{
|
||||
condition->backend = objc_malloc(sizeof(pthread_cond_t));
|
||||
|
||||
if (pthread_cond_init((pthread_cond_t *)condition->backend, NULL))
|
||||
{
|
||||
objc_free(condition->backend);
|
||||
condition->backend = NULL;
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Deallocate a condition. */
|
||||
static inline int
|
||||
__gthread_objc_condition_deallocate(objc_condition_t condition)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
{
|
||||
if (pthread_cond_destroy((pthread_cond_t *)condition->backend))
|
||||
return -1;
|
||||
|
||||
objc_free(condition->backend);
|
||||
condition->backend = NULL;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Wait on the condition */
|
||||
static inline int
|
||||
__gthread_objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
return pthread_cond_wait((pthread_cond_t *)condition->backend,
|
||||
(pthread_mutex_t *)mutex->backend);
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Wake up all threads waiting on this condition. */
|
||||
static inline int
|
||||
__gthread_objc_condition_broadcast(objc_condition_t condition)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
return pthread_cond_broadcast((pthread_cond_t *)condition->backend);
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Wake up one thread waiting on this condition. */
|
||||
static inline int
|
||||
__gthread_objc_condition_signal(objc_condition_t condition)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
return pthread_cond_signal((pthread_cond_t *)condition->backend);
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
#else /* _LIBOBJC */
|
||||
|
||||
static inline int
|
||||
__gthread_once (__gthread_once_t *once, void (*func) (void))
|
||||
{
|
||||
|
|
@ -144,4 +435,6 @@ __gthread_mutex_unlock (__gthread_mutex_t *mutex)
|
|||
return 0;
|
||||
}
|
||||
|
||||
#endif /* _LIBOBJC */
|
||||
|
||||
#endif /* not __gthr_posix_h */
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
/* Threads compatibility routines for libgcc2. */
|
||||
/* Threads compatibility routines for libgcc2 and libobjc. */
|
||||
/* Compile this one with gcc. */
|
||||
/* Copyright (C) 1997 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU CC.
|
||||
|
||||
|
|
@ -35,6 +35,172 @@ typedef int __gthread_mutex_t;
|
|||
|
||||
#define __GTHREAD_MUTEX_INIT 0
|
||||
|
||||
#ifdef _LIBOBJC
|
||||
|
||||
/* Thread local storage for a single thread */
|
||||
static void *thread_local_storage = NULL;
|
||||
|
||||
/* Backend initialization functions */
|
||||
|
||||
/* Initialize the threads subsystem. */
|
||||
static inline int
|
||||
__gthread_objc_init_thread_system(void)
|
||||
{
|
||||
/* No thread support available */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Close the threads subsystem. */
|
||||
static inline int
|
||||
__gthread_objc_close_thread_system(void)
|
||||
{
|
||||
/* No thread support available */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Backend thread functions */
|
||||
|
||||
/* Create a new thread of execution. */
|
||||
static inline objc_thread_t
|
||||
__gthread_objc_thread_detach(void (*func)(void *arg), void *arg)
|
||||
{
|
||||
/* No thread support available */
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Set the current thread's priority. */
|
||||
static inline int
|
||||
__gthread_objc_thread_set_priority(int priority)
|
||||
{
|
||||
/* No thread support available */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Return the current thread's priority. */
|
||||
static inline int
|
||||
__gthread_objc_thread_get_priority(void)
|
||||
{
|
||||
return OBJC_THREAD_INTERACTIVE_PRIORITY;
|
||||
}
|
||||
|
||||
/* Yield our process time to another thread. */
|
||||
static inline void
|
||||
__gthread_objc_thread_yield(void)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
/* Terminate the current thread. */
|
||||
static inline int
|
||||
__gthread_objc_thread_exit(void)
|
||||
{
|
||||
/* No thread support available */
|
||||
/* Should we really exit the program */
|
||||
/* exit(&__objc_thread_exit_status); */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Returns an integer value which uniquely describes a thread. */
|
||||
static inline objc_thread_t
|
||||
__gthread_objc_thread_id(void)
|
||||
{
|
||||
/* No thread support, use 1. */
|
||||
return (objc_thread_t)1;
|
||||
}
|
||||
|
||||
/* Sets the thread's local storage pointer. */
|
||||
static inline int
|
||||
__gthread_objc_thread_set_data(void *value)
|
||||
{
|
||||
thread_local_storage = value;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Returns the thread's local storage pointer. */
|
||||
static inline void *
|
||||
__gthread_objc_thread_get_data(void)
|
||||
{
|
||||
return thread_local_storage;
|
||||
}
|
||||
|
||||
/* Backend mutex functions */
|
||||
|
||||
/* Allocate a mutex. */
|
||||
static inline int
|
||||
__gthread_objc_mutex_allocate(objc_mutex_t mutex)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Deallocate a mutex. */
|
||||
static inline int
|
||||
__gthread_objc_mutex_deallocate(objc_mutex_t mutex)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Grab a lock on a mutex. */
|
||||
static inline int
|
||||
__gthread_objc_mutex_lock(objc_mutex_t mutex)
|
||||
{
|
||||
/* There can only be one thread, so we always get the lock */
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Try to grab a lock on a mutex. */
|
||||
static inline int
|
||||
__gthread_objc_mutex_trylock(objc_mutex_t mutex)
|
||||
{
|
||||
/* There can only be one thread, so we always get the lock */
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Unlock the mutex */
|
||||
static inline int
|
||||
__gthread_objc_mutex_unlock(objc_mutex_t mutex)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Backend condition mutex functions */
|
||||
|
||||
/* Allocate a condition. */
|
||||
static inline int
|
||||
__gthread_objc_condition_allocate(objc_condition_t condition)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Deallocate a condition. */
|
||||
static inline int
|
||||
__gthread_objc_condition_deallocate(objc_condition_t condition)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Wait on the condition */
|
||||
static inline int
|
||||
__gthread_objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Wake up all threads waiting on this condition. */
|
||||
static inline int
|
||||
__gthread_objc_condition_broadcast(objc_condition_t condition)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Wake up one thread waiting on this condition. */
|
||||
static inline int
|
||||
__gthread_objc_condition_signal(objc_condition_t condition)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
#else /* _LIBOBJC */
|
||||
|
||||
static inline int
|
||||
__gthread_active_p (void)
|
||||
{
|
||||
|
|
@ -59,4 +225,6 @@ __gthread_mutex_unlock (__gthread_mutex_t *mutex __attribute__ ((__unused__)))
|
|||
return 0;
|
||||
}
|
||||
|
||||
#endif /* _LIBOBJC */
|
||||
|
||||
#endif /* not __gthr_single_h */
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
/* Threads compatibility routines for libgcc2. */
|
||||
/* Threads compatibility routines for libgcc2 and libobjc. */
|
||||
/* Compile this one with gcc. */
|
||||
/* Copyright (C) 1997 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU CC.
|
||||
|
||||
|
|
@ -60,6 +60,24 @@ typedef mutex_t __gthread_mutex_t;
|
|||
#pragma weak mutex_trylock
|
||||
#pragma weak mutex_unlock
|
||||
|
||||
#ifdef _LIBOBJC
|
||||
#pragma weak thr_exit
|
||||
#pragma weak thr_keycreate
|
||||
#pragma weak thr_getprio
|
||||
#pragma weak thr_self
|
||||
#pragma weak thr_setprio
|
||||
#pragma weak thr_yield
|
||||
|
||||
#pragma weak cond_init
|
||||
#pragma weak cond_destroy
|
||||
#pragma weak cond_wait
|
||||
#pragma weak cond_broadcast
|
||||
#pragma weak cond_signal
|
||||
|
||||
#pragma weak mutex_init
|
||||
#pragma weak mutex_destroy
|
||||
#endif
|
||||
|
||||
/* This will not actually work in Solaris 2.5, since libc contains
|
||||
dummy symbols of all thr_* routines. */
|
||||
|
||||
|
|
@ -81,6 +99,289 @@ __gthread_active_p (void)
|
|||
|
||||
#endif /* SUPPORTS_WEAK */
|
||||
|
||||
#ifdef _LIBOBJC
|
||||
|
||||
/* Key structure for maintaining thread specific storage */
|
||||
static thread_key_t _objc_thread_storage;
|
||||
|
||||
/* Thread local storage for a single thread */
|
||||
static void *thread_local_storage = NULL;
|
||||
|
||||
/* Backend initialization functions */
|
||||
|
||||
/* Initialize the threads subsystem. */
|
||||
static inline int
|
||||
__gthread_objc_init_thread_system(void)
|
||||
{
|
||||
/* Initialize the thread storage key */
|
||||
if (__gthread_active_p ()
|
||||
&& thr_keycreate(&_objc_thread_storage, NULL) == 0)
|
||||
return 0;
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Close the threads subsystem. */
|
||||
static inline int
|
||||
__gthread_objc_close_thread_system(void)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
return 0;
|
||||
else
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Backend thread functions */
|
||||
|
||||
/* Create a new thread of execution. */
|
||||
static inline objc_thread_t
|
||||
__gthread_objc_thread_detach(void (*func)(void *), void *arg)
|
||||
{
|
||||
objc_thread_t thread_id;
|
||||
thread_t new_thread_id = 0;
|
||||
|
||||
if (!__gthread_active_p ())
|
||||
return NULL;
|
||||
|
||||
if (thr_create(NULL, 0, (void *)func, arg,
|
||||
THR_DETACHED | THR_NEW_LWP,
|
||||
&new_thread_id) == 0)
|
||||
thread_id = *(objc_thread_t *)&new_thread_id;
|
||||
else
|
||||
thread_id = NULL;
|
||||
|
||||
return thread_id;
|
||||
}
|
||||
|
||||
/* Set the current thread's priority. */
|
||||
static inline int
|
||||
__gthread_objc_thread_set_priority(int priority)
|
||||
{
|
||||
int sys_priority = 0;
|
||||
|
||||
if (!__gthread_active_p ())
|
||||
return -1;
|
||||
|
||||
switch (priority)
|
||||
{
|
||||
case OBJC_THREAD_INTERACTIVE_PRIORITY:
|
||||
sys_priority = 300;
|
||||
break;
|
||||
default:
|
||||
case OBJC_THREAD_BACKGROUND_PRIORITY:
|
||||
sys_priority = 200;
|
||||
break;
|
||||
case OBJC_THREAD_LOW_PRIORITY:
|
||||
sys_priority = 1000;
|
||||
break;
|
||||
}
|
||||
|
||||
/* Change priority */
|
||||
if (thr_setprio(thr_self(), sys_priority) == 0)
|
||||
return 0;
|
||||
else
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Return the current thread's priority. */
|
||||
static inline int
|
||||
__gthread_objc_thread_get_priority(void)
|
||||
{
|
||||
int sys_priority;
|
||||
|
||||
if (!__gthread_active_p ())
|
||||
return OBJC_THREAD_INTERACTIVE_PRIORITY;
|
||||
|
||||
if (thr_getprio(thr_self(), &sys_priority) == 0)
|
||||
{
|
||||
if (sys_priority >= 250)
|
||||
return OBJC_THREAD_INTERACTIVE_PRIORITY;
|
||||
else if (sys_priority >= 150)
|
||||
return OBJC_THREAD_BACKGROUND_PRIORITY;
|
||||
return OBJC_THREAD_LOW_PRIORITY;
|
||||
}
|
||||
|
||||
/* Couldn't get priority. */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Yield our process time to another thread. */
|
||||
static inline void
|
||||
__gthread_objc_thread_yield(void)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
thr_yield();
|
||||
}
|
||||
|
||||
/* Terminate the current thread. */
|
||||
static inline int
|
||||
__gthread_objc_thread_exit(void)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
/* exit the thread */
|
||||
thr_exit(&__objc_thread_exit_status);
|
||||
|
||||
/* Failed if we reached here */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Returns an integer value which uniquely describes a thread. */
|
||||
static inline objc_thread_t
|
||||
__gthread_objc_thread_id(void)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
return (objc_thread_t)thr_self();
|
||||
else
|
||||
return (objc_thread_t)1;
|
||||
}
|
||||
|
||||
/* Sets the thread's local storage pointer. */
|
||||
static inline int
|
||||
__gthread_objc_thread_set_data(void *value)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
{
|
||||
if (thr_setspecific(_objc_thread_storage, value) == 0)
|
||||
return 0;
|
||||
else
|
||||
return -1;
|
||||
}
|
||||
else
|
||||
{
|
||||
thread_local_storage = value;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* Returns the thread's local storage pointer. */
|
||||
static inline void *
|
||||
__gthread_objc_thread_get_data(void)
|
||||
{
|
||||
void *value = NULL;
|
||||
|
||||
if (__gthread_active_p ())
|
||||
{
|
||||
if (thr_getspecific(_objc_thread_storage, &value) == 0)
|
||||
return value;
|
||||
else
|
||||
return NULL;
|
||||
}
|
||||
else
|
||||
return thread_local_storage;
|
||||
}
|
||||
|
||||
/* Backend mutex functions */
|
||||
|
||||
/* Allocate a mutex. */
|
||||
static inline int
|
||||
__gthread_objc_mutex_allocate(objc_mutex_t mutex)
|
||||
{
|
||||
if (__gthread_active_p ()
|
||||
&& mutex_init( (mutex_t *)(&(mutex->backend)), USYNC_THREAD, 0))
|
||||
return -1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Deallocate a mutex. */
|
||||
static inline int
|
||||
__gthread_objc_mutex_deallocate(objc_mutex_t mutex)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
mutex_destroy((mutex_t *)(&(mutex->backend)));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Grab a lock on a mutex. */
|
||||
static inline int
|
||||
__gthread_objc_mutex_lock(objc_mutex_t mutex)
|
||||
{
|
||||
if (__gthread_active_p ()
|
||||
&& mutex_lock((mutex_t *)(&(mutex->backend))) != 0)
|
||||
return -1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Try to grab a lock on a mutex. */
|
||||
static inline int
|
||||
__gthread_objc_mutex_trylock(objc_mutex_t mutex)
|
||||
{
|
||||
if (__gthread_active_p ()
|
||||
&& mutex_trylock((mutex_t *)(&(mutex->backend))) != 0)
|
||||
return -1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Unlock the mutex */
|
||||
static inline int
|
||||
__gthread_objc_mutex_unlock(objc_mutex_t mutex)
|
||||
{
|
||||
if (__gthread_active_p ()
|
||||
&& mutex_unlock((mutex_t *)(&(mutex->backend))) != 0)
|
||||
return -1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Backend condition mutex functions */
|
||||
|
||||
/* Allocate a condition. */
|
||||
static inline int
|
||||
__gthread_objc_condition_allocate(objc_condition_t condition)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
return cond_init((cond_t *)(&(condition->backend)), USYNC_THREAD,
|
||||
NULL);
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Deallocate a condition. */
|
||||
static inline int
|
||||
__gthread_objc_condition_deallocate(objc_condition_t condition)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
return cond_destroy((cond_t *)(&(condition->backend)));
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Wait on the condition */
|
||||
static inline int
|
||||
__gthread_objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
return cond_wait((cond_t *)(&(condition->backend)),
|
||||
(mutex_t *)(&(mutex->backend)));
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Wake up all threads waiting on this condition. */
|
||||
static inline int
|
||||
__gthread_objc_condition_broadcast(objc_condition_t condition)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
return cond_broadcast((cond_t *)(&(condition->backend)));
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Wake up one thread waiting on this condition. */
|
||||
static inline int
|
||||
__gthread_objc_condition_signal(objc_condition_t condition)
|
||||
{
|
||||
if (__gthread_active_p ())
|
||||
return cond_signal((cond_t *)(&(condition->backend)));
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
#else /* _LIBOBJC */
|
||||
|
||||
static inline int
|
||||
__gthread_once (__gthread_once_t *once, void (*func) (void))
|
||||
{
|
||||
|
|
@ -174,4 +475,6 @@ __gthread_mutex_unlock (__gthread_mutex_t *mutex)
|
|||
return 0;
|
||||
}
|
||||
|
||||
#endif /* _LIBOBJC */
|
||||
|
||||
#endif /* not __gthr_solaris_h */
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
/* Threads compatibility routines for libgcc2 for VxWorks. */
|
||||
/* Threads compatibility routines for libgcc2 and libobjc for VxWorks. */
|
||||
/* Compile this one with gcc. */
|
||||
/* Copyright (C) 1997 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
|
||||
Contributed by Mike Stump <mrs@wrs.com>.
|
||||
|
||||
This file is part of GNU CC.
|
||||
|
|
@ -30,6 +30,172 @@ Boston, MA 02111-1307, USA. */
|
|||
#ifndef __gthr_vxworks_h
|
||||
#define __gthr_vxworks_h
|
||||
|
||||
#ifdef _LIBOBJC
|
||||
|
||||
/* Thread local storage for a single thread */
|
||||
static void *thread_local_storage = NULL;
|
||||
|
||||
/* Backend initialization functions */
|
||||
|
||||
/* Initialize the threads subsystem. */
|
||||
int
|
||||
__gthread_objc_init_thread_system(void)
|
||||
{
|
||||
/* No thread support available */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Close the threads subsystem. */
|
||||
int
|
||||
__gthread_objc_close_thread_system(void)
|
||||
{
|
||||
/* No thread support available */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Backend thread functions */
|
||||
|
||||
/* Create a new thread of execution. */
|
||||
objc_thread_t
|
||||
__gthread_objc_thread_detach(void (*func)(void *arg), void *arg)
|
||||
{
|
||||
/* No thread support available */
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Set the current thread's priority. */
|
||||
int
|
||||
__gthread_objc_thread_set_priority(int priority)
|
||||
{
|
||||
/* No thread support available */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Return the current thread's priority. */
|
||||
int
|
||||
__gthread_objc_thread_get_priority(void)
|
||||
{
|
||||
return OBJC_THREAD_INTERACTIVE_PRIORITY;
|
||||
}
|
||||
|
||||
/* Yield our process time to another thread. */
|
||||
void
|
||||
__gthread_objc_thread_yield(void)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
/* Terminate the current thread. */
|
||||
int
|
||||
__gthread_objc_thread_exit(void)
|
||||
{
|
||||
/* No thread support available */
|
||||
/* Should we really exit the program */
|
||||
/* exit(&__objc_thread_exit_status); */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Returns an integer value which uniquely describes a thread. */
|
||||
objc_thread_t
|
||||
__gthread_objc_thread_id(void)
|
||||
{
|
||||
/* No thread support, use 1. */
|
||||
return (objc_thread_t)1;
|
||||
}
|
||||
|
||||
/* Sets the thread's local storage pointer. */
|
||||
int
|
||||
__gthread_objc_thread_set_data(void *value)
|
||||
{
|
||||
thread_local_storage = value;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Returns the thread's local storage pointer. */
|
||||
void *
|
||||
__gthread_objc_thread_get_data(void)
|
||||
{
|
||||
return thread_local_storage;
|
||||
}
|
||||
|
||||
/* Backend mutex functions */
|
||||
|
||||
/* Allocate a mutex. */
|
||||
int
|
||||
__gthread_objc_mutex_allocate(objc_mutex_t mutex)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Deallocate a mutex. */
|
||||
int
|
||||
__gthread_objc_mutex_deallocate(objc_mutex_t mutex)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Grab a lock on a mutex. */
|
||||
int
|
||||
__gthread_objc_mutex_lock(objc_mutex_t mutex)
|
||||
{
|
||||
/* There can only be one thread, so we always get the lock */
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Try to grab a lock on a mutex. */
|
||||
int
|
||||
__gthread_objc_mutex_trylock(objc_mutex_t mutex)
|
||||
{
|
||||
/* There can only be one thread, so we always get the lock */
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Unlock the mutex */
|
||||
int
|
||||
__gthread_objc_mutex_unlock(objc_mutex_t mutex)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Backend condition mutex functions */
|
||||
|
||||
/* Allocate a condition. */
|
||||
int
|
||||
__gthread_objc_condition_allocate(objc_condition_t condition)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Deallocate a condition. */
|
||||
int
|
||||
__gthread_objc_condition_deallocate(objc_condition_t condition)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Wait on the condition */
|
||||
int
|
||||
__gthread_objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Wake up all threads waiting on this condition. */
|
||||
int
|
||||
__gthread_objc_condition_broadcast(objc_condition_t condition)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Wake up one thread waiting on this condition. */
|
||||
int
|
||||
__gthread_objc_condition_signal(objc_condition_t condition)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
#else /* _LIBOBJC */
|
||||
|
||||
/* POSIX threads specific definitions.
|
||||
Easy, since the interface is just one-to-one mapping. */
|
||||
|
||||
|
|
@ -139,4 +305,6 @@ __gthread_mutex_unlock (__gthread_mutex_t *mutex)
|
|||
return semGive (*mutex);
|
||||
}
|
||||
|
||||
#endif /* _LIBOBJC */
|
||||
|
||||
#endif /* not __gthr_vxworks_h */
|
||||
|
|
|
|||
247
gcc/gthr-win32.h
247
gcc/gthr-win32.h
|
|
@ -1,4 +1,4 @@
|
|||
/* Threads compatibility routines for libgcc2. */
|
||||
/* Threads compatibility routines for libgcc2 and libobjc. */
|
||||
/* Compile this one with gcc. */
|
||||
/* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
|
||||
Contributed by Mumit Khan <khan@xraylith.wisc.edu>.
|
||||
|
|
@ -65,7 +65,248 @@ Boston, MA 02111-1307, USA. */
|
|||
#define __GTHREADS 1
|
||||
|
||||
#include <windows.h>
|
||||
#include <errno.h>
|
||||
|
||||
#ifdef _LIBOBJC
|
||||
|
||||
/* Key structure for maintaining thread specific storage */
|
||||
static DWORD __gthread_objc_data_tls = (DWORD)-1;
|
||||
|
||||
/* Backend initialization functions */
|
||||
|
||||
/* Initialize the threads subsystem. */
|
||||
int
|
||||
__gthread_objc_init_thread_system(void)
|
||||
{
|
||||
/* Initialize the thread storage key */
|
||||
if ((__gthread_objc_data_tls = TlsAlloc()) != (DWORD)-1)
|
||||
return 0;
|
||||
else
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Close the threads subsystem. */
|
||||
int
|
||||
__gthread_objc_close_thread_system(void)
|
||||
{
|
||||
if (__gthread_objc_data_tls != (DWORD)-1)
|
||||
TlsFree(__gthread_objc_data_tls);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Backend thread functions */
|
||||
|
||||
/* Create a new thread of execution. */
|
||||
objc_thread_t
|
||||
__gthread_objc_thread_detach(void (*func)(void *arg), void *arg)
|
||||
{
|
||||
DWORD thread_id = 0;
|
||||
HANDLE win32_handle;
|
||||
|
||||
if (!(win32_handle = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)func,
|
||||
arg, 0, &thread_id)))
|
||||
thread_id = 0;
|
||||
|
||||
return (objc_thread_t)thread_id;
|
||||
}
|
||||
|
||||
/* Set the current thread's priority. */
|
||||
int
|
||||
__gthread_objc_thread_set_priority(int priority)
|
||||
{
|
||||
int sys_priority = 0;
|
||||
|
||||
switch (priority)
|
||||
{
|
||||
case OBJC_THREAD_INTERACTIVE_PRIORITY:
|
||||
sys_priority = THREAD_PRIORITY_NORMAL;
|
||||
break;
|
||||
default:
|
||||
case OBJC_THREAD_BACKGROUND_PRIORITY:
|
||||
sys_priority = THREAD_PRIORITY_BELOW_NORMAL;
|
||||
break;
|
||||
case OBJC_THREAD_LOW_PRIORITY:
|
||||
sys_priority = THREAD_PRIORITY_LOWEST;
|
||||
break;
|
||||
}
|
||||
|
||||
/* Change priority */
|
||||
if (SetThreadPriority(GetCurrentThread(), sys_priority))
|
||||
return 0;
|
||||
else
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Return the current thread's priority. */
|
||||
int
|
||||
__gthread_objc_thread_get_priority(void)
|
||||
{
|
||||
int sys_priority;
|
||||
|
||||
sys_priority = GetThreadPriority(GetCurrentThread());
|
||||
|
||||
switch (sys_priority)
|
||||
{
|
||||
case THREAD_PRIORITY_HIGHEST:
|
||||
case THREAD_PRIORITY_TIME_CRITICAL:
|
||||
case THREAD_PRIORITY_ABOVE_NORMAL:
|
||||
case THREAD_PRIORITY_NORMAL:
|
||||
return OBJC_THREAD_INTERACTIVE_PRIORITY;
|
||||
|
||||
default:
|
||||
case THREAD_PRIORITY_BELOW_NORMAL:
|
||||
return OBJC_THREAD_BACKGROUND_PRIORITY;
|
||||
|
||||
case THREAD_PRIORITY_IDLE:
|
||||
case THREAD_PRIORITY_LOWEST:
|
||||
return OBJC_THREAD_LOW_PRIORITY;
|
||||
}
|
||||
|
||||
/* Couldn't get priority. */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Yield our process time to another thread. */
|
||||
void
|
||||
__gthread_objc_thread_yield(void)
|
||||
{
|
||||
Sleep(0);
|
||||
}
|
||||
|
||||
/* Terminate the current thread. */
|
||||
int
|
||||
__gthread_objc_thread_exit(void)
|
||||
{
|
||||
/* exit the thread */
|
||||
ExitThread(__gthread_objc_thread_exit_status);
|
||||
|
||||
/* Failed if we reached here */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Returns an integer value which uniquely describes a thread. */
|
||||
objc_thread_t
|
||||
__gthread_objc_thread_id(void)
|
||||
{
|
||||
return (objc_thread_t)GetCurrentThreadId();
|
||||
}
|
||||
|
||||
/* Sets the thread's local storage pointer. */
|
||||
int
|
||||
__gthread_objc_thread_set_data(void *value)
|
||||
{
|
||||
if (TlsSetValue(__gthread_objc_data_tls, value))
|
||||
return 0;
|
||||
else
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Returns the thread's local storage pointer. */
|
||||
void *
|
||||
__gthread_objc_thread_get_data(void)
|
||||
{
|
||||
return TlsGetValue(__gthread_objc_data_tls); /* Return thread data. */
|
||||
}
|
||||
|
||||
/* Backend mutex functions */
|
||||
|
||||
/* Allocate a mutex. */
|
||||
int
|
||||
__gthread_objc_mutex_allocate(objc_mutex_t mutex)
|
||||
{
|
||||
if ((mutex->backend = (void *)CreateMutex(NULL, 0, NULL)) == NULL)
|
||||
return -1;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Deallocate a mutex. */
|
||||
int
|
||||
__gthread_objc_mutex_deallocate(objc_mutex_t mutex)
|
||||
{
|
||||
CloseHandle((HANDLE)(mutex->backend));
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Grab a lock on a mutex. */
|
||||
int
|
||||
__gthread_objc_mutex_lock(objc_mutex_t mutex)
|
||||
{
|
||||
int status;
|
||||
|
||||
status = WaitForSingleObject((HANDLE)(mutex->backend), INFINITE);
|
||||
if (status != WAIT_OBJECT_0 && status != WAIT_ABANDONED)
|
||||
return -1;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Try to grab a lock on a mutex. */
|
||||
int
|
||||
__gthread_objc_mutex_trylock(objc_mutex_t mutex)
|
||||
{
|
||||
int status;
|
||||
|
||||
status = WaitForSingleObject((HANDLE)(mutex->backend), 0);
|
||||
if (status != WAIT_OBJECT_0 && status != WAIT_ABANDONED)
|
||||
return -1;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Unlock the mutex */
|
||||
int
|
||||
__gthread_objc_mutex_unlock(objc_mutex_t mutex)
|
||||
{
|
||||
if (ReleaseMutex((HANDLE)(mutex->backend)) == 0)
|
||||
return -1;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Backend condition mutex functions */
|
||||
|
||||
/* Allocate a condition. */
|
||||
int
|
||||
__gthread_objc_condition_allocate(objc_condition_t condition)
|
||||
{
|
||||
/* Unimplemented. */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Deallocate a condition. */
|
||||
int
|
||||
__gthread_objc_condition_deallocate(objc_condition_t condition)
|
||||
{
|
||||
/* Unimplemented. */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Wait on the condition */
|
||||
int
|
||||
__gthread_objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
|
||||
{
|
||||
/* Unimplemented. */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Wake up all threads waiting on this condition. */
|
||||
int
|
||||
__gthread_objc_condition_broadcast(objc_condition_t condition)
|
||||
{
|
||||
/* Unimplemented. */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Wake up one thread waiting on this condition. */
|
||||
int
|
||||
__gthread_objc_condition_signal(objc_condition_t condition)
|
||||
{
|
||||
/* Unimplemented. */
|
||||
return -1;
|
||||
}
|
||||
|
||||
#else /* _LIBOBJC */
|
||||
|
||||
#ifdef __MINGW32__
|
||||
#include <_mingw.h>
|
||||
#endif
|
||||
|
|
@ -227,5 +468,7 @@ __gthread_mutex_unlock (__gthread_mutex_t *mutex)
|
|||
return 0;
|
||||
}
|
||||
|
||||
#endif /* _LIBOBJC */
|
||||
|
||||
#endif /* not __gthr_win32_h */
|
||||
|
||||
|
|
|
|||
|
|
@ -1,3 +1,15 @@
|
|||
2000-05-12 H.J. Lu (hjl@gnu.org)
|
||||
|
||||
* Makefile.in (GTHREAD_FLAGS): New.
|
||||
(ALL_CFLAGS): Add $(GTHREAD_FLAGS).
|
||||
(OBJC_THREAD_FILE): Changed to thr-objc.
|
||||
|
||||
* configure.in (GTHREAD_FLAGS): New, check and replace it for
|
||||
Makefile.
|
||||
(OBJC_THREAD_FILE): Removed.
|
||||
|
||||
* thr-objc.c: New.
|
||||
|
||||
2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
|
||||
|
||||
* objc/hash.h: Include string.h.
|
||||
|
|
|
|||
|
|
@ -60,8 +60,9 @@ RANLIB = @RANLIB@
|
|||
|
||||
CC = @CC@
|
||||
CFLAGS = @CFLAGS@
|
||||
GTHREAD_FLAGS=@GTHREAD_FLAGS@
|
||||
ALL_CFLAGS = -I. -I$(srcdir) $(CPPFLAGS) $(DEFS) $(CFLAGS) \
|
||||
-DIN_GCC -DIN_TARGET_LIBS
|
||||
$(GTHREAD_FLAGS) -DIN_GCC -DIN_TARGET_LIBS
|
||||
|
||||
#
|
||||
# Define the cc1obj in terms of the CC that is passed on from higher
|
||||
|
|
@ -76,7 +77,7 @@ INCLUDES = -I$(srcdir)/objc -I$(srcdir)/$(MULTISRCTOP)../gcc \
|
|||
-I$(srcdir)/$(MULTISRCTOP)../include
|
||||
|
||||
OBJC_GCFLAGS=-DOBJC_WITH_GC=1
|
||||
OBJC_THREAD_FILE=thr-@OBJC_THREAD_FILE@
|
||||
OBJC_THREAD_FILE=thr-objc
|
||||
|
||||
.SUFFIXES:
|
||||
.SUFFIXES: .c .m .o
|
||||
|
|
|
|||
16
libobjc/configure
vendored
16
libobjc/configure
vendored
|
|
@ -1140,23 +1140,23 @@ EOF
|
|||
fi
|
||||
|
||||
|
||||
# Determine the name of the GCC thread file.
|
||||
# Determine gthread FLAGS.
|
||||
|
||||
echo $ac_n "checking for thread file""... $ac_c" 1>&6
|
||||
echo "configure:1147: checking for thread file" >&5
|
||||
if eval "test \"`echo '$''{'objc_cv_thread_file'+set}'`\" = set"; then
|
||||
echo $ac_n "checking for gthread FLAGS""... $ac_c" 1>&6
|
||||
echo "configure:1147: checking for gthread FLAGS" >&5
|
||||
if eval "test \"`echo '$''{'objc_cv_gthread_flags'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
if test -f "$r"/gcc/Makefile
|
||||
then
|
||||
objc_cv_thread_file=`grep \^GCC_THREAD_FILE "$r"/gcc/Makefile | awk -F= '{ print $2 }'`
|
||||
objc_cv_gthread_flags=`grep \^GTHREAD_FLAGS "$r"/gcc/Makefile | awk -F= '{ print $2 }'`
|
||||
else
|
||||
{ echo "configure: error: not found" 1>&2; exit 1; }
|
||||
fi
|
||||
fi
|
||||
|
||||
echo "$ac_t""$objc_cv_thread_file" 1>&6
|
||||
OBJC_THREAD_FILE=$objc_cv_thread_file
|
||||
echo "$ac_t""$objc_cv_gthread_flags" 1>&6
|
||||
GTHREAD_FLAGS=$objc_cv_gthread_flags
|
||||
|
||||
|
||||
# Check whether --enable-objc-gc or --disable-objc-gc was given.
|
||||
|
|
@ -1327,7 +1327,7 @@ s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
|
|||
s%@INSTALL_SCRIPT@%$INSTALL_SCRIPT%g
|
||||
s%@INSTALL_DATA@%$INSTALL_DATA%g
|
||||
s%@CPP@%$CPP%g
|
||||
s%@OBJC_THREAD_FILE@%$OBJC_THREAD_FILE%g
|
||||
s%@GTHREAD_FLAGS@%$GTHREAD_FLAGS%g
|
||||
s%@OBJC_BOEHM_GC@%$OBJC_BOEHM_GC%g
|
||||
|
||||
CEOF
|
||||
|
|
|
|||
|
|
@ -91,17 +91,17 @@ the Objective C runtime system. If necessary, install gcc now with
|
|||
|
||||
AC_HEADER_STDC
|
||||
|
||||
# Determine the name of the GCC thread file.
|
||||
# Determine CFLAGS for gthread.
|
||||
|
||||
AC_CACHE_CHECK([for thread file],objc_cv_thread_file,
|
||||
AC_CACHE_CHECK([for gthread cflags],objc_cv_gthread_flags,
|
||||
[if test -f "$r"/gcc/Makefile
|
||||
then
|
||||
objc_cv_thread_file=`grep \^GCC_THREAD_FILE "$r"/gcc/Makefile | awk -F= '{ print $2 }'`
|
||||
objc_cv_gthread_flags=`grep \^GTHREAD_FLAGS "$r"/gcc/Makefile | awk -F= '{ print $2 }'`
|
||||
else
|
||||
AC_MSG_ERROR([not found])
|
||||
fi])
|
||||
OBJC_THREAD_FILE=$objc_cv_thread_file
|
||||
AC_SUBST(OBJC_THREAD_FILE)
|
||||
GTHREAD_FLAGS=$objc_cv_gthread_flags
|
||||
AC_SUBST(GTHREAD_FLAGS)
|
||||
|
||||
AC_ARG_ENABLE(objc-gc,
|
||||
[ --enable-objc-gc enable the use of Boehm's garbage collector with
|
||||
|
|
|
|||
181
libobjc/thr-objc.c
Normal file
181
libobjc/thr-objc.c
Normal file
|
|
@ -0,0 +1,181 @@
|
|||
/* GNU Objective C Runtime Thread Interface.
|
||||
Copyright (C) 1999 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU CC.
|
||||
|
||||
GNU CC is free software; you can redistribute it and/or modify it under the
|
||||
terms of the GNU General Public License as published by the Free Software
|
||||
Foundation; either version 2, or (at your option) any later version.
|
||||
|
||||
GNU CC is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||||
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
||||
details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with GNU CC; see the file COPYING. If not, write to
|
||||
the Free Software Foundation, 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
/* As a special exception, if you link this library with files compiled with
|
||||
GCC to produce an executable, this does not cause the resulting executable
|
||||
to be covered by the GNU General Public License. This exception does not
|
||||
however invalidate any other reasons why the executable file might be
|
||||
covered by the GNU General Public License. */
|
||||
|
||||
#define _LIBOBJC
|
||||
#include "tconfig.h"
|
||||
#include "defaults.h"
|
||||
#include <objc/thr.h>
|
||||
#include "runtime.h"
|
||||
#include <gthr.h>
|
||||
|
||||
/* Backend initialization functions */
|
||||
|
||||
/* Initialize the threads subsystem. */
|
||||
int
|
||||
__objc_init_thread_system(void)
|
||||
{
|
||||
return __gthread_objc_init_thread_system ();
|
||||
}
|
||||
|
||||
/* Close the threads subsystem. */
|
||||
int
|
||||
__objc_close_thread_system(void)
|
||||
{
|
||||
return __gthread_objc_close_thread_system ();
|
||||
}
|
||||
|
||||
/* Backend thread functions */
|
||||
|
||||
/* Create a new thread of execution. */
|
||||
objc_thread_t
|
||||
__objc_thread_detach(void (*func)(void *), void *arg)
|
||||
{
|
||||
return __gthread_objc_thread_detach (func, arg);
|
||||
}
|
||||
|
||||
/* Set the current thread's priority. */
|
||||
int
|
||||
__objc_thread_set_priority(int priority)
|
||||
{
|
||||
return __gthread_objc_thread_set_priority (priority);
|
||||
}
|
||||
|
||||
/* Return the current thread's priority. */
|
||||
int
|
||||
__objc_thread_get_priority(void)
|
||||
{
|
||||
return __gthread_objc_thread_get_priority ();
|
||||
}
|
||||
|
||||
/* Yield our process time to another thread. */
|
||||
void
|
||||
__objc_thread_yield(void)
|
||||
{
|
||||
__gthread_objc_thread_yield ();
|
||||
}
|
||||
|
||||
/* Terminate the current thread. */
|
||||
int
|
||||
__objc_thread_exit(void)
|
||||
{
|
||||
return __gthread_objc_thread_exit ();
|
||||
}
|
||||
|
||||
/* Returns an integer value which uniquely describes a thread. */
|
||||
objc_thread_t
|
||||
__objc_thread_id(void)
|
||||
{
|
||||
return __gthread_objc_thread_id ();
|
||||
}
|
||||
|
||||
/* Sets the thread's local storage pointer. */
|
||||
int
|
||||
__objc_thread_set_data(void *value)
|
||||
{
|
||||
return __gthread_objc_thread_set_data (value);
|
||||
}
|
||||
|
||||
/* Returns the thread's local storage pointer. */
|
||||
void *
|
||||
__objc_thread_get_data(void)
|
||||
{
|
||||
return __gthread_objc_thread_get_data ();
|
||||
}
|
||||
|
||||
/* Backend mutex functions */
|
||||
|
||||
/* Allocate a mutex. */
|
||||
int
|
||||
__objc_mutex_allocate(objc_mutex_t mutex)
|
||||
{
|
||||
return __gthread_objc_mutex_allocate (mutex);
|
||||
}
|
||||
|
||||
/* Deallocate a mutex. */
|
||||
int
|
||||
__objc_mutex_deallocate(objc_mutex_t mutex)
|
||||
{
|
||||
return __gthread_objc_mutex_deallocate (mutex);
|
||||
}
|
||||
|
||||
/* Grab a lock on a mutex. */
|
||||
int
|
||||
__objc_mutex_lock(objc_mutex_t mutex)
|
||||
{
|
||||
return __gthread_objc_mutex_lock (mutex);
|
||||
}
|
||||
|
||||
/* Try to grab a lock on a mutex. */
|
||||
int
|
||||
__objc_mutex_trylock(objc_mutex_t mutex)
|
||||
{
|
||||
return __gthread_objc_mutex_trylock (mutex);
|
||||
}
|
||||
|
||||
/* Unlock the mutex */
|
||||
int
|
||||
__objc_mutex_unlock(objc_mutex_t mutex)
|
||||
{
|
||||
return __gthread_objc_mutex_unlock (mutex);
|
||||
}
|
||||
|
||||
/* Backend condition mutex functions */
|
||||
|
||||
/* Allocate a condition. */
|
||||
int
|
||||
__objc_condition_allocate(objc_condition_t condition)
|
||||
{
|
||||
return __gthread_objc_condition_allocate (condition);
|
||||
}
|
||||
|
||||
/* Deallocate a condition. */
|
||||
int
|
||||
__objc_condition_deallocate(objc_condition_t condition)
|
||||
{
|
||||
return __gthread_objc_condition_deallocate (condition);
|
||||
}
|
||||
|
||||
/* Wait on the condition */
|
||||
int
|
||||
__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
|
||||
{
|
||||
return __gthread_objc_condition_wait (condition, mutex);
|
||||
}
|
||||
|
||||
/* Wake up all threads waiting on this condition. */
|
||||
int
|
||||
__objc_condition_broadcast(objc_condition_t condition)
|
||||
{
|
||||
return __gthread_objc_condition_broadcast (condition);
|
||||
}
|
||||
|
||||
/* Wake up one thread waiting on this condition. */
|
||||
int
|
||||
__objc_condition_signal(objc_condition_t condition)
|
||||
{
|
||||
return __gthread_objc_condition_signal (condition);
|
||||
}
|
||||
|
||||
/* End of File */
|
||||
Loading…
Add table
Reference in a new issue