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[goodguy/history.git] / cinelerra-5.1 / guicast / thread.C

diff --git a/cinelerra-5.1/guicast/thread.C b/cinelerra-5.1/guicast/thread.C
index 6cde612dfdfbb853902f02e423bc39699817bf18..c2f3321d7987a28f85f90bf65b83078bb65cc72d 100644 (file)
--- a/cinelerra-5.1/guicast/thread.C
+++ b/cinelerra-5.1/guicast/thread.C
@@ -65,8 +65,8 @@ void* Thread::entrypoint(void *parameters)
        thread->run();
        thread->finished = true;
        if( !thread->synchronous ) {
-               if( !thread->cancelled ) TheList::dbg_del(thread->tid);
                if( thread->autodelete ) delete thread;
+               else if( !thread->cancelled ) TheList::dbg_del(thread->tid);
                else thread->tid = ((pthread_t)-1);
        }
        return NULL;
@@ -106,9 +106,13 @@ void Thread::start()
                        perror("Thread::start pthread_attr_setinheritsched");
        }
 
+// autodelete may delete this immediately after create
+       int autodelete = this->autodelete;
+
        pthread_create(&tid, &attr, Thread::entrypoint, this);
 
-       TheList::dbg_add(tid, owner, typeid(*this).name());
+       if( !autodelete )
+               TheList::dbg_add(tid, owner, typeid(*this).name());
 }
 
 int Thread::cancel()
@@ -127,9 +131,14 @@ int Thread::join()   // join this thread
 {
        if( !exists() ) return 0;
        if( synchronous ) {
-// NOTE: this does not do anything if the thread is not synchronous
+// NOTE: this fails if the thread is not synchronous or
+//  or another thread is already waiting to join.
                int ret = pthread_join(tid, 0);
-               if( ret ) strerror(ret);
+               if( ret ) {
+                       fflush(stdout);
+                       fprintf(stderr, "Thread %p: %s\n", (void*)tid, strerror(ret));
+                       fflush(stderr);
+               }
                CLEAR_LOCKS_TID(tid);
                TheList::dbg_del(tid);
                tid = ((pthread_t)-1);
@@ -141,7 +150,7 @@ int Thread::join()   // join this thread
                while( running() && !cancelled ) {
                        int ret = pthread_kill(tid, 0);
                        if( ret ) break;
-                       usleep(200000);
+                       usleep(10000);
                }
                tid = ((pthread_t)-1);
        }