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add a volume control mutex to serialise multiple attempts to change the volume

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This commit is contained in:
Mike Brady
2019-02-01 21:07:13 +00:00
parent bfc7b9b774
commit 08e84ece27
1 changed files with 7 additions and 1 deletions
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rtsp.c
+7 -1
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@@ -2164,7 +2164,10 @@ void rtsp_conversation_thread_cleanup_function(void *arg) {
}
// remove flow control and mutexes
int rc = pthread_cond_destroy(&conn->flowcontrol);
int rc = pthread_mutex_destroy(&conn->volume_control_mutex);
if (rc)
debug(1, "Connection %d: error %d destroying volume_control_mutex.", conn->connection_number, rc);
rc = pthread_cond_destroy(&conn->flowcontrol);
if (rc)
debug(1, "Connection %d: error %d destroying flow control condition variable.",
conn->connection_number, rc);
@@ -2227,6 +2230,9 @@ static void *rtsp_conversation_thread_func(void *pconn) {
if (rc)
die("Connection %d: error %d initialising flow control condition variable.",
conn->connection_number, rc);
rc = pthread_mutex_init(&conn->volume_control_mutex, NULL);
if (rc)
die("Connection %d: error %d initialising volume_control_mutex.", conn->connection_number, rc);
// nothing before this is cancellable
pthread_cleanup_push(rtsp_conversation_thread_cleanup_function, (void *)conn);