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Review parameter usage in sigtimedwait(); update some comments.

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This commit is contained in:
Gregory Nutt 2017-03-02 06:39:05 -06:00
parent 35b2448203
commit 094795e0ed
2 changed files with 7 additions and 7 deletions
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8
sched/signal/sig_timedwait.c
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@ -172,8 +172,8 @@ static void sig_timeout(int argc, wdparm_t itcb)
*
* Parameters:
* set - The pending signal set.
* info - The returned value
* timeout - The amount of time to wait
* info - The returned value (may be NULL).
* timeout - The amount of time to wait (may be NULL)
*
* Return Value:
* Signal number that cause the wait to be terminated, otherwise -1 (ERROR)
@ -229,7 +229,7 @@ int sigtimedwait(FAR const sigset_t *set, FAR struct siginfo *info,
/* Return the signal info to the caller if so requested */
if (info)
if (info != NULL)
{
memcpy(info, &sigpend->info, sizeof(struct siginfo));
}
@ -254,7 +254,7 @@ int sigtimedwait(FAR const sigset_t *set, FAR struct siginfo *info,
/* Check if we should wait for the timeout */
if (timeout)
if (timeout != NULL)
{
/* Convert the timespec to system clock ticks, making sure that
* the resulting delay is greater than or equal to the requested