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posix-threads.h (_Jv_PthreadCheckMonitor): Reverted previous change and implemented a correct test in the __m_count case.

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* include/posix-threads.h (_Jv_PthreadCheckMonitor): Reverted
	previous change and implemented a correct test in the __m_count
	case.

From-SVN: r29209
This commit is contained in:
Tom Tromey 1999-09-08 17:10:22 +00:00 committed by Tom Tromey
parent e1b6684cec
commit c45a8466e6
2 changed files with 7 additions and 1 deletions
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4
libjava/ChangeLog
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@ -1,5 +1,9 @@
1999-09-08 Tom Tromey <tromey@cygnus.com>
* include/posix-threads.h (_Jv_PthreadCheckMonitor): Reverted
previous change and implemented a correct test in the __m_count
case.
* include/posix-threads.h (_Jv_PthreadCheckMonitor): Changed test
in __m_count case.

4
libjava/include/posix-threads.h
View File

@ -114,7 +114,9 @@ _Jv_PthreadCheckMonitor (_Jv_Mutex_t *mu)
// On Linux we exploit knowledge of the implementation.
int r = pmu->m_count == 1;
#elif defined (PTHREAD_MUTEX_HAVE___M_COUNT)
int r = (pthread_t) pmu->__m_owner == pthread_self ();
// In glibc 2.1, the first time the mutex is grabbed __m_count is
// set to 0 and __m_owner is set to pthread_self().
int r = ! pmu->__m_count;
#else
int r = mu->count == 0;
#endif