[xiph-cvs] cvs commit: vorbis-tools/ogg123 ogg123.c

[Stan Seibert]

volsung     01/09/24 14:11:35

  Modified:    ogg123   Tag: kcarnold_work ogg123.c
  Log:
  A better locking solution.  Since updating status is not critical, there is
  no point in blocking one of the threads while the other is updating the
  status.

Revision  Changes    Path
No                   revision

No                   revision

1.39.2.30 +6 -5      vorbis-tools/ogg123/ogg123.c

Index: ogg123.c
===================================================================
RCS file: /usr/local/cvsroot/vorbis-tools/ogg123/ogg123.c,v
retrieving revision 1.39.2.29
retrieving revision 1.39.2.30
diff -u -r1.39.2.29 -r1.39.2.30
--- ogg123.c	2001/09/24 18:44:46	1.39.2.29
+++ ogg123.c	2001/09/24 21:11:34	1.39.2.30
@@ -14,7 +14,7 @@
  *                                                                  *
  ********************************************************************
 
- last mod: $Id: ogg123.c,v 1.39.2.29 2001/09/24 18:44:46 volsung Exp $
+ last mod: $Id: ogg123.c,v 1.39.2.30 2001/09/24 21:11:34 volsung Exp $
 
  ********************************************************************/
 
@@ -245,10 +245,11 @@
 
 void Ogg123UpdateStats (void)
 {
-  pthread_mutex_lock(&stats_lock);
-  SetBuffersStats ();
-  UpdateStats (Options.statOpts.stats);
-  pthread_mutex_unlock(&stats_lock);
+  if (pthread_mutex_trylock(&stats_lock) == 0) {
+    SetBuffersStats ();
+    UpdateStats (Options.statOpts.stats);
+    pthread_mutex_unlock(&stats_lock);
+  }
 }
 
 /* /status interface */

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