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mutex (mutex::try_lock): Eat errors.

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2008-05-14  Benjamin Kosnik  <bkoz@redhat.com>

	* include/std/mutex (mutex::try_lock): Eat errors.
	(mutex::unlock): Same.
	(recursive_mutex::try_lock): Eat errors.
	(recursive_mutex::unlock): Same.
	* testsuite/30_threads/mutex/dest/destructor_locked.cc: Add
	-pthreads, adjust line numbers.
	* testsuite/30_threads/mutex/native_handle/1.cc: Same.
	* testsuite/30_threads/mutex/cons/1.cc: Same.
	* testsuite/30_threads/mutex/try_lock/1.cc: Same.
	* testsuite/30_threads/mutex/try_lock/2.cc: Same.
	* testsuite/30_threads/mutex/lock/1.cc: Same.
	* testsuite/30_threads/mutex/unlock/1.cc: Same.
	* testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc: Same.
	* testsuite/30_threads/recursive_mutex/native_handle/1.cc: Same.
	* testsuite/30_threads/recursive_mutex/cons/1.cc: Same.

From-SVN: r135321
This commit is contained in:
Benjamin Kosnik 2008-05-15 00:52:48 +00:00 • committed by Benjamin Kosnik
parent 2fa9f315d4
commit 22ac021be4
16 changed files with 56 additions and 46 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
libstdc++-v3/ChangeLog
View file

@ -1,3 +1,21 @@
2008-05-14 Benjamin Kosnik <bkoz@redhat.com>
* include/std/mutex (mutex::try_lock): Eat errors.
(mutex::unlock): Same.
(recursive_mutex::try_lock): Eat errors.
(recursive_mutex::unlock): Same.
* testsuite/30_threads/mutex/dest/destructor_locked.cc: Add
-pthreads, adjust line numbers.
* testsuite/30_threads/mutex/native_handle/1.cc: Same.
* testsuite/30_threads/mutex/cons/1.cc: Same.
* testsuite/30_threads/mutex/try_lock/1.cc: Same.
* testsuite/30_threads/mutex/try_lock/2.cc: Same.
* testsuite/30_threads/mutex/lock/1.cc: Same.
* testsuite/30_threads/mutex/unlock/1.cc: Same.
* testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc: Same.
* testsuite/30_threads/recursive_mutex/native_handle/1.cc: Same.
* testsuite/30_threads/recursive_mutex/cons/1.cc: Same.
2008-05-14 Benjamin Kosnik <bkoz@redhat.com>
* include/std/sstream: Adjust braces.

38
libstdc++-v3/include/std/mutex
View file

@ -59,14 +59,13 @@ namespace std
mutex()
{
// XXX EAGAIN, ENOMEM, EPERM, EBUSY(may), EINVAL(may)
#if defined __GTHREAD_MUTEX_INIT
native_handle_type __tmp = __GTHREAD_MUTEX_INIT;
_M_mutex = __tmp;
#else
__GTHREAD_MUTEX_INIT_FUNCTION(&_M_mutex);
#endif
// EAGAIN, ENOMEM, EPERM, EBUSY(may), EINVAL(may)
}
void
@ -82,23 +81,15 @@ namespace std
bool
try_lock()
{
int __e = __gthread_mutex_trylock(&_M_mutex);
// EINVAL, EAGAIN, EBUSY
if (__e)
__throw_system_error(__e);
else
return true;
// XXX EINVAL, EAGAIN, EBUSY
return !__gthread_mutex_trylock(&_M_mutex);
}
void
unlock()
{
int __e = __gthread_mutex_unlock(&_M_mutex);
// EINVAL, EAGAIN, EPERM
if (__e)
__throw_system_error(__e);
// XXX EINVAL, EAGAIN, EPERM
__gthread_mutex_unlock(&_M_mutex);
}
native_handle_type
@ -120,14 +111,13 @@ namespace std
recursive_mutex()
{
// XXX EAGAIN, ENOMEM, EPERM, EBUSY(may), EINVAL(may)
#if defined __GTHREAD_RECURSIVE_MUTEX_INIT
native_handle_type __tmp = __GTHREAD_RECURSIVE_MUTEX_INIT;
_M_mutex = __tmp;
#else
__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION(&_M_mutex);
#endif
// EAGAIN, ENOMEM, EPERM, EBUSY(may), EINVAL(may)
}
@ -144,23 +134,15 @@ namespace std
bool
try_lock()
{
int __e = __gthread_recursive_mutex_trylock(&_M_mutex);
// EINVAL, EAGAIN, EBUSY
if (__e)
__throw_system_error(__e);
else
return true;
// XXX EINVAL, EAGAIN, EBUSY
return !__gthread_recursive_mutex_trylock(&_M_mutex);
}
void
unlock()
{
int __e = __gthread_recursive_mutex_unlock(&_M_mutex);
// EINVAL, EAGAIN, EBUSY
if (__e)
__throw_system_error(__e);
// XXX EINVAL, EAGAIN, EBUSY
__gthread_recursive_mutex_unlock(&_M_mutex);
}
native_handle_type

3
libstdc++-v3/testsuite/30_threads/mutex/cons/1.cc
View file

@ -1,4 +1,5 @@
// { dg-options "-std=gnu++0x" }
// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* } }
// { dg-options "-pthread -std=gnu++0x" }
// Copyright (C) 2008 Free Software Foundation, Inc.
//

2
libstdc++-v3/testsuite/30_threads/mutex/cons/assign_neg.cc
View file

@ -39,4 +39,4 @@ void test01()
m1 = m2;
}
// { dg-error "within this context" "" { target *-*-* } 39 }
// { dg-error "is private" "" { target *-*-* } 111 }
// { dg-error "is private" "" { target *-*-* } 102 }

2
libstdc++-v3/testsuite/30_threads/mutex/cons/copy_neg.cc
View file

@ -38,4 +38,4 @@ void test01()
mutex_type m2(m1);
}
// { dg-error "within this context" "" { target *-*-* } 38 }
// { dg-error "is private" "" { target *-*-* } 110 }
// { dg-error "is private" "" { target *-*-* } 101 }

3
libstdc++-v3/testsuite/30_threads/mutex/dest/destructor_locked.cc
View file

@ -1,4 +1,5 @@
// { dg-options "-std=gnu++0x" }
// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* } }
// { dg-options "-pthread -std=gnu++0x" }
// Copyright (C) 2008 Free Software Foundation, Inc.
//

9
libstdc++-v3/testsuite/30_threads/mutex/lock/1.cc
View file

@ -1,4 +1,5 @@
// { dg-options "-std=gnu++0x" }
// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* } }
// { dg-options "-pthread -std=gnu++0x" }
// Copyright (C) 2008 Free Software Foundation, Inc.
//
@ -41,11 +42,11 @@ int main()
mutex_type m;
m.lock();
// Lock already locked mutex, should be ok.
// XXX
// Lock already locked mutex.
try
{
m.lock();
// XXX Will block.
// m.lock();
}
catch (const std::system_error& e)
{

3
libstdc++-v3/testsuite/30_threads/mutex/native_handle/1.cc
View file

@ -1,4 +1,5 @@
// { dg-options "-std=gnu++0x" }
// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* } }
// { dg-options "-pthread -std=gnu++0x" }
// Copyright (C) 2008 Free Software Foundation, Inc.
//

3
libstdc++-v3/testsuite/30_threads/mutex/try_lock/1.cc
View file

@ -1,4 +1,5 @@
// { dg-options "-std=gnu++0x" }
// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* } }
// { dg-options "-pthread -std=gnu++0x" }
// Copyright (C) 2008 Free Software Foundation, Inc.
//

5
libstdc++-v3/testsuite/30_threads/mutex/try_lock/2.cc
View file

@ -1,4 +1,5 @@
// { dg-options "-std=gnu++0x" }
// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* } }
// { dg-options "-pthread -std=gnu++0x" }
// Copyright (C) 2008 Free Software Foundation, Inc.
//
@ -45,7 +46,7 @@ int main()
try
{
b = m.try_lock();
VERIFY( b );
VERIFY( !b );
}
catch (const std::system_error& e)
{

3
libstdc++-v3/testsuite/30_threads/mutex/unlock/1.cc
View file

@ -1,4 +1,5 @@
// { dg-options "-std=gnu++0x" }
// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* } }
// { dg-options "-pthread -std=gnu++0x" }
// Copyright (C) 2008 Free Software Foundation, Inc.
//

3
libstdc++-v3/testsuite/30_threads/recursive_mutex/cons/1.cc
View file

@ -1,4 +1,5 @@
// { dg-options "-std=gnu++0x" }
// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* } }
// { dg-options "-pthread -std=gnu++0x" }
// Copyright (C) 2008 Free Software Foundation, Inc.
//

2
libstdc++-v3/testsuite/30_threads/recursive_mutex/cons/assign_neg.cc
View file

@ -39,4 +39,4 @@ void test01()
m1 = m2;
}
// { dg-error "within this context" "" { target *-*-* } 39 }
// { dg-error "is private" "" { target *-*-* } 173 }
// { dg-error "is private" "" { target *-*-* } 155 }

2
libstdc++-v3/testsuite/30_threads/recursive_mutex/cons/copy_neg.cc
View file

@ -38,4 +38,4 @@ void test01()
mutex_type m2(m1);
}
// { dg-error "within this context" "" { target *-*-* } 38 }
// { dg-error "is private" "" { target *-*-* } 172 }
// { dg-error "is private" "" { target *-*-* } 154 }

3
libstdc++-v3/testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc
View file

@ -1,4 +1,5 @@
// { dg-options "-std=gnu++0x" }
// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* } }
// { dg-options "-pthread -std=gnu++0x" }
// Copyright (C) 2008 Free Software Foundation, Inc.
//

3
libstdc++-v3/testsuite/30_threads/recursive_mutex/native_handle/1.cc
View file

@ -1,4 +1,5 @@
// { dg-options "-std=gnu++0x" }
// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* } }
// { dg-options "-pthread -std=gnu++0x" }
// Copyright (C) 2008 Free Software Foundation, Inc.
//