When lib_exit returns -1 (indicating the totem queue is full and unable
to send new messages), the ipc system should allow the transmission of
totem messages in this condition. However, with the current code, a
global lock is held during this period, locking out the ability to send
totem messages and resulting in a repeating loop if lib_exit_fn returns
-1 because it expects totem message queue space to become available.
Patch attached to fix.
Regards
-steve
Index: exec/ipc.c
===================================================================
--- exec/ipc.c (revision 1641)
+++ exec/ipc.c (working copy)
@@ -704,7 +704,9 @@
* This is the dispatch conn_io
*/
if (conn_io->conn_info->conn_io_dispatch == conn_io) {
+ ipc_serialize_unlock_fn ();
for (;;) {
+ ipc_serialize_lock_fn ();
if (conn_io_refcnt_value (conn_io) == 0) {
res = 0; // TODO
/*
@@ -725,8 +727,8 @@
pthread_exit (0);
}
} /* refcnt == 0 */
+ ipc_serialize_unlock_fn ();
usleep (1000);
- printf ("sleep 2\n");
} /* for (;;) */
} /* dispatch conn_io */
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