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!109 setitimer多核静态问题 

Merge pull request !109 from zhushengle/setitimer
This commit is contained in:
openharmony_ci 2021-03-31 14:33:07 +08:00 committed by Gitee
parent c70335c80d 7256d67a1c
commit 1c901dce3a
1 changed files with 19 additions and 4 deletions
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23
compat/posix/src/time.c
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@ -883,8 +883,10 @@ clock_t times(struct tms *buf)
int setitimer(int which, const struct itimerval *value, struct itimerval *ovalue)
{
UINT32 intSave;
LosTaskCB *taskCB = OS_TCB_FROM_TID(LOS_CurTaskIDGet());
LosProcessCB *processCB = OS_PCB_FROM_PID(taskCB->processID);
timer_t timerID = 0;
struct itimerspec spec;
struct itimerspec ospec;
int ret = LOS_OK;
@ -894,15 +896,28 @@ int setitimer(int which, const struct itimerval *value, struct itimerval *ovalue
set_errno(EINVAL);
return -1;
}
LOS_TaskLock();
/* To avoid creating an invalid timer after the timer has already been create */
if (processCB->timerID == (timer_t)(UINTPTR)MAX_INVALID_TIMER_VID) {
ret = timer_create(CLOCK_REALTIME, NULL, &processCB->timerID);
ret = timer_create(CLOCK_REALTIME, NULL, &timerID);
if (ret != LOS_OK) {
LOS_TaskUnlock();
return ret;
}
}
LOS_TaskUnlock();
/* The initialization of this global timer must be in spinlock
* timer_create cannot be located in spinlock.
*/
SCHEDULER_LOCK(intSave);
if (processCB->timerID == (timer_t)(UINTPTR)MAX_INVALID_TIMER_VID) {
processCB->timerID = timerID;
SCHEDULER_UNLOCK(intSave);
} else {
SCHEDULER_UNLOCK(intSave);
if (timerID) {
timer_delete(timerID);
}
}
if (!ValidTimeval(&value->it_value) || !ValidTimeval(&value->it_interval)) {
set_errno(EINVAL);