prevent popup deactivation while button_down

[goodguy/history.git] / cinelerra-5.0 / guicast / mutex.C

diff --git a/cinelerra-5.0/guicast/mutex.C b/cinelerra-5.0/guicast/mutex.C
index 9b993fe812fe9aa08c9bf9806b8d03e93b36de62..a4a6e21f99f605c1e30fe7a7ffb6092cad5ab40b 100644 (file)
--- a/cinelerra-5.0/guicast/mutex.C
+++ b/cinelerra-5.0/guicast/mutex.C
@@ -19,11 +19,15 @@
  *
  */
 
+#include <stdio.h>
+#include <errno.h>
+
 #ifndef NO_GUICAST
 #include "bcsignals.h"
 #endif
 #include "mutex.h"
 
+
 Mutex::Mutex(const char *title, int recursive)
 {
        this->title = title;
@@ -122,6 +126,7 @@ int Mutex::unlock()
 
 int Mutex::trylock(const char *location)
 {
+       if( count ) return EBUSY;
        int ret = pthread_mutex_trylock(&mutex);
        if( ret ) return ret;