diff options
Diffstat (limited to 'libjava/include/posix-threads.h')
| -rw-r--r-- | libjava/include/posix-threads.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libjava/include/posix-threads.h b/libjava/include/posix-threads.h index 00a918f..38629f4 100644 --- a/libjava/include/posix-threads.h +++ b/libjava/include/posix-threads.h @@ -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 |