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sched/signal/sig_dispatch.c: Trivial update to a comment.

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This commit is contained in:
Gregory Nutt 2019-11-29 10:01:42 -06:00
parent 81790f2ca8
commit 4e277a7f62
1 changed files with 4 additions and 1 deletions
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5
sched/signal/sig_dispatch.c
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@ -312,13 +312,16 @@ int nxsig_tcbdispatch(FAR struct tcb_s *stcb, siginfo_t *info)
/************************* MASKED SIGNAL HANDLING ************************/
masked = sigismember(&stcb->sigprocmask, info->si_signo);
masked = (bool)sigismember(&stcb->sigprocmask, info->si_signo);
#ifdef CONFIG_LIB_SYSCALL
/* Check if the signal is masked OR if the signal is received while we are
* processing a system call -- in either case, it will be added to the
* list of pending signals. Unmasked user signal actions will be deferred
* while we process the system call.
*
* Syscall handlers (and logic-in-general within the OS) should not use
* signal handlers.
*/
if (masked || (stcb->flags & TCB_FLAG_SYSCALL) != 0)