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author | Tom Tromey <tromey@cygnus.com> | 1999-09-01 18:29:39 +0000 |
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committer | Tom Tromey <tromey@gcc.gnu.org> | 1999-09-01 18:29:39 +0000 |
commit | 6e87747b6d4a8961ab49b3a21298baf546763417 (patch) | |
tree | 6fb15ec8b692fb14a98a2eaba9879e17e7f496a6 /libjava/include/posix-threads.h | |
parent | b1133adfca2570b32dd7ded5a53b336630f593d1 (diff) | |
download | gcc-6e87747b6d4a8961ab49b3a21298baf546763417.zip gcc-6e87747b6d4a8961ab49b3a21298baf546763417.tar.gz gcc-6e87747b6d4a8961ab49b3a21298baf546763417.tar.bz2 |
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.h | 29 |
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); } |