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comparison gtk/dw.c @ 96:baaf4b04d284

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Fixed a deadlock when locking a mutex from an event handler on FreeBSD.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Fri, 05 Jul 2002 01:32:37 +0000
parents 7c3eef54c98c
children cd0e5cf92f6a
comparison
equal deleted inserted replaced
95:636c37ca7238 96:baaf4b04d284
4307 * Parameters: 4307 * Parameters:
4308 * mutex: The handle to the mutex returned by dw_mutex_new(). 4308 * mutex: The handle to the mutex returned by dw_mutex_new().
4309 */ 4309 */
4310 void dw_mutex_lock(HMTX mutex) 4310 void dw_mutex_lock(HMTX mutex)
4311 { 4311 {
4312 /* If we are being called from an event handler we must release
4313 * the GTK mutex so we don't deadlock.
4314 */
4315 if(pthread_self() == _dw_thread)
4316 gdk_threads_leave();
4317
4312 pthread_mutex_lock(&mutex); 4318 pthread_mutex_lock(&mutex);
4319
4320 /* And of course relock it when we have acquired the mutext */
4321 if(pthread_self() == _dw_thread)
4322 gdk_threads_enter();
4313 } 4323 }
4314 4324
4315 /* 4325 /*
4316 * Reliquishes the access to the semaphore. 4326 * Reliquishes the access to the semaphore.
4317 * Parameters: 4327 * Parameters: