[asterisk-bugs] [JIRA] (ASTERISK-25355) sched: ast_sched_del may return prematurely due to spurious wakeup

[Joshua Colp (JIRA)]

Joshua Colp created ASTERISK-25355:
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             Summary: sched: ast_sched_del may return prematurely due to spurious wakeup
                 Key: ASTERISK-25355
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25355
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
            Reporter: Joshua Colp
            Severity: Minor


When deleting a scheduled item if the item in question is currently executing the ast_sched_del function waits until it has completed. This is accomplished using ast_cond_wait. Unfortunately the ast_cond_wait function can suffer from spurious wakeups so the predicate needs to be checked after it returns to make sure it has really woken up as a result of being signaled.



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