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jvmti.cc (_Jv_JVMTI_GetAllThreads): New function.

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2007-01-16  Kyle Galloway  <kgallowa@redhat.com>

	* jvmti.cc (_Jv_JVMTI_GetAllThreads): New function.
	* testsuite/libjava.jvmti/getallthreads.java: New test.
	* testsuite/libjava.jvmti/natgetallthreads.cc: Ditto.
	* testsuite/libjava.jvmti/getallthreads.out: Ditto.
	* testsuite/libjava.jvmti/getallthreads.h: Ditto.
	* testsuite/libjava.jvmti/getallthreads.jar: Ditto.

From-SVN: r120827
This commit is contained in:
Kyle Galloway 2007-01-16 15:06:28 +00:00 • committed by Kyle Galloway
parent 878aa81717
commit 05794ce850
7 changed files with 250 additions and 1 deletions
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49
libjava/jvmti.cc
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@ -28,7 +28,9 @@ details. */
#include <java/lang/Class.h>
#include <java/lang/ClassLoader.h>
#include <java/lang/Object.h>
#include <java/lang/OutOfMemoryError.h>
#include <java/lang/Thread.h>
#include <java/lang/ThreadGroup.h>
#include <java/lang/Throwable.h>
#include <java/lang/VMClassLoader.h>
#include <java/lang/reflect/Field.h>
@ -196,6 +198,51 @@ _Jv_JVMTI_InterruptThread (MAYBE_UNUSED jvmtiEnv *env, jthread thread)
return JVMTI_ERROR_NONE;
}
jvmtiError
_Jv_JVMTI_GetAllThreads(MAYBE_UNUSED jvmtiEnv *env, jint *thread_cnt,
jthread **threads)
{
REQUIRE_PHASE (env, JVMTI_PHASE_LIVE);
NULL_CHECK (thread_cnt);
NULL_CHECK (threads);
using namespace java::lang;
Thread *thr = Thread::currentThread ();
ThreadGroup *root_grp = ThreadGroup::root;
jint estimate = root_grp->activeCount ();
JArray<Thread *> *thr_arr;
// Allocate some extra space since threads can be created between calls
try
{
thr_arr
= reinterpret_cast<JArray<Thread *> *> (JvNewObjectArray
((estimate * 2),
&Thread::class$, NULL));
}
catch (java::lang::OutOfMemoryError *err)
{
return JVMTI_ERROR_OUT_OF_MEMORY;
}
*thread_cnt = root_grp->enumerate (thr_arr);
jvmtiError jerr = env->Allocate ((jlong) ((*thread_cnt) * sizeof (jthread)),
(unsigned char **) threads);
if (jerr != JVMTI_ERROR_NONE)
return jerr;
// Transfer the threads to the result array
jthread *tmp_arr = reinterpret_cast<jthread *> (elements (thr_arr));
memcpy ((*threads), tmp_arr, (*thread_cnt));
return JVMTI_ERROR_NONE;
}
static jvmtiError JNICALL
_Jv_JVMTI_CreateRawMonitor (MAYBE_UNUSED jvmtiEnv *env, const char *name,
jrawMonitorID *result)
@ -1362,7 +1409,7 @@ struct _Jv_jvmtiEnv _Jv_JVMTI_Interface =
RESERVED, // reserved1
_Jv_JVMTI_SetEventNotificationMode, // SetEventNotificationMode
RESERVED, // reserved3
UNIMPLEMENTED, // GetAllThreads
_Jv_JVMTI_GetAllThreads, // GetAllThreads
_Jv_JVMTI_SuspendThread, // SuspendThread
_Jv_JVMTI_ResumeThread, // ResumeThread
UNIMPLEMENTED, // StopThread