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authorTom Tromey <tromey@cygnus.com>1999-09-01 18:29:39 +0000
committerTom Tromey <tromey@gcc.gnu.org>1999-09-01 18:29:39 +0000
commit6e87747b6d4a8961ab49b3a21298baf546763417 (patch)
tree6fb15ec8b692fb14a98a2eaba9879e17e7f496a6 /libjava/include/posix-threads.h
parentb1133adfca2570b32dd7ded5a53b336630f593d1 (diff)
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posix-threads.cc (_Jv_CondWait): Call _Jv_PthreadCheckMonitor.
* posix-threads.cc (_Jv_CondWait): Call _Jv_PthreadCheckMonitor. * include/posix-threads.h (_Jv_PthreadCheckMonitor): New function. (_Jv_CondNotify): Use it. (_Jv_CondNotifyAll): Likewise. * java/lang/Class.h (JV_STATE_NOTHING): Correct misspelling. From-SVN: r29030
Diffstat (limited to 'libjava/include/posix-threads.h')
-rw-r--r--libjava/include/posix-threads.h29
1 files changed, 23 insertions, 6 deletions
diff --git a/libjava/include/posix-threads.h b/libjava/include/posix-threads.h
index 6e4cc70..2ad6c06 100644
--- a/libjava/include/posix-threads.h
+++ b/libjava/include/posix-threads.h
@@ -65,6 +65,25 @@ typedef struct
typedef void _Jv_ThreadStartFunc (java::lang::Thread *);
+// This is a convenience function used only by the pthreads thread
+// implementation. This is slow, but that's too bad -- we need to do
+// the checks for correctness. It might be nice to be able to compile
+// this out.
+inline int _Jv_PthreadCheckMonitor (_Jv_Mutex_t *mu)
+{
+ pthread_mutex_t *pmu;
+#ifdef HAVE_RECURSIVE_MUTEX
+ pmu = mu;
+#else
+ pmu = &mu->mutex2;
+#endif
+ // See if the mutex is locked by this thread.
+ if (pthread_mutex_trylock (pmu))
+ return 1;
+ pthread_mutex_unlock (pmu);
+ return 0;
+}
+
//
// Condition variables.
//
@@ -94,17 +113,15 @@ int _Jv_CondWait (_Jv_ConditionVariable_t *cv, _Jv_Mutex_t *mu,
jlong millis, jint nanos);
inline int
-_Jv_CondNotify (_Jv_ConditionVariable_t *cv, _Jv_Mutex_t *)
+_Jv_CondNotify (_Jv_ConditionVariable_t *cv, _Jv_Mutex_t *mu)
{
- // FIXME: check to see if mutex is held by current thread.
- return pthread_cond_signal (cv);
+ return _Jv_PthreadCheckMonitor (mu) || pthread_cond_signal (cv);
}
inline int
-_Jv_CondNotifyAll (_Jv_ConditionVariable_t *cv, _Jv_Mutex_t *)
+_Jv_CondNotifyAll (_Jv_ConditionVariable_t *cv, _Jv_Mutex_t *mu)
{
- // FIXME: check to see if mutex is held by current thread.
- return pthread_cond_broadcast (cv);
+ return _Jv_PthreadCheckMonitor (mu) || pthread_cond_broadcast (cv);
}