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Don't actually send a signal with signo 0

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As stated by standards.
This commit is contained in:
YAMAMOTO Takashi 2020-03-09 19:38:21 +09:00 committed by patacongo
parent 655fcf18d0
commit 674417bb33
1 changed files with 7 additions and 0 deletions
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7
sched/signal/sig_dispatch.c
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@ -310,6 +310,13 @@ int nxsig_tcbdispatch(FAR struct tcb_s *stcb, siginfo_t *info)
DEBUGASSERT(stcb != NULL && info != NULL); DEBUGASSERT(stcb != NULL && info != NULL);
/* Don't actually send a signal for signo 0. */
if (info->si_signo == 0)
{
return OK;
}
/************************** MASKED SIGNAL ACTIONS *************************/ /************************** MASKED SIGNAL ACTIONS *************************/
masked = (bool)sigismember(&stcb->sigprocmask, info->si_signo); masked = (bool)sigismember(&stcb->sigprocmask, info->si_signo);