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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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39 lines
1.3 KiB
Text
39 lines
1.3 KiB
Text
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thread 1 thread2
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// the queue is empty
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while (!queue->level_buffers) {
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STATUS("queue: %s U released lock\n");
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GST_UNLOCK (queue);
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// thread1 is scheduled and puts a lot of buffers
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// in the queue
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// thread1 has put the last buffer on the queue
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// here. A signal is going to be emited
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tosignal = (queue->level_buffers >= 0);
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queue->level_buffers++;
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/* we can unlock now */
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GST_UNLOCK (queue);
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if (tosignal) {
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g_mutex_lock (queue->emptylock);
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g_cond_signal (queue->emptycond);
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g_mutex_unlock (queue->emptylock);
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}
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g_mutex_lock (queue->emptylock);
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// wait forever
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g_cond_wait (queue->emptycond, queue->emptylock);
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g_mutex_unlock (queue->emptylock);
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GST_LOCK (queue);
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}
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// thread 1 will also wait forever because the
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// queue is filled....
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