glwthread_timedrwlock_tryrdlock 76 maint/gnulib/lib/pthread-rwlock.c return glwthread_timedrwlock_tryrdlock (lock); glwthread_timedrwlock_tryrdlock 63 maint/gnulib/lib/windows-timedrwlock.h extern int glwthread_timedrwlock_tryrdlock (glwthread_timedrwlock_t *lock);