Mutex robust APIs are not available on Mac

Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>
This commit is contained in:
Gaurav Aggarwal 2025-01-25 11:23:07 +00:00
parent 2e38eb5423
commit 92be5d47ee

View file

@ -39,6 +39,7 @@ struct event
pthread_cond_t cond;
bool event_triggered;
};
/*-----------------------------------------------------------*/
struct event * event_create( void )
{
@ -48,13 +49,16 @@ struct event * event_create( void )
{
ev->event_triggered = false;
pthread_mutexattr_init( &ev->mutexattr );
#ifndef __APPLE__
pthread_mutexattr_setrobust( &ev->mutexattr, PTHREAD_MUTEX_ROBUST );
#endif
pthread_mutex_init( &ev->mutex, &ev->mutexattr );
pthread_cond_init( &ev->cond, NULL );
}
return ev;
}
/*-----------------------------------------------------------*/
void event_delete( struct event * ev )
{
@ -63,13 +67,16 @@ void event_delete( struct event * ev )
pthread_cond_destroy( &ev->cond );
free( ev );
}
/*-----------------------------------------------------------*/
bool event_wait( struct event * ev )
{
if( pthread_mutex_lock( &ev->mutex ) == EOWNERDEAD )
{
#ifndef __APPLE__
/* If the thread owning the mutex died, make the mutex consistent. */
pthread_mutex_consistent( &ev->mutex );
#endif
}
while( ev->event_triggered == false )
@ -81,6 +88,8 @@ bool event_wait( struct event * ev )
pthread_mutex_unlock( &ev->mutex );
return true;
}
/*-----------------------------------------------------------*/
bool event_wait_timed( struct event * ev,
time_t ms )
{
@ -92,8 +101,10 @@ bool event_wait_timed( struct event * ev,
ts.tv_nsec += ( ( ms % 1000 ) * 1000000 );
if( pthread_mutex_lock( &ev->mutex ) == EOWNERDEAD )
{
#ifndef __APPLE__
/* If the thread owning the mutex died, make the mutex consistent. */
pthread_mutex_consistent( &ev->mutex );
#endif
}
while( ( ev->event_triggered == false ) && ( ret == 0 ) )
@ -110,15 +121,19 @@ bool event_wait_timed( struct event * ev,
pthread_mutex_unlock( &ev->mutex );
return true;
}
/*-----------------------------------------------------------*/
void event_signal( struct event * ev )
{
if( pthread_mutex_lock( &ev->mutex ) == EOWNERDEAD )
{
#ifndef __APPLE__
/* If the thread owning the mutex died, make the mutex consistent. */
pthread_mutex_consistent( &ev->mutex );
#endif
}
ev->event_triggered = true;
pthread_cond_signal( &ev->cond );
pthread_mutex_unlock( &ev->mutex );
}
/*-----------------------------------------------------------*/