我想使用POSIX計時器,但我的代碼無法運行。POSIX計時器:無效的參數
timer_t id_timer_;
// some code. timer_create(), etc.
void timerPeriod (unsigned long sec, unsigned long nsec)
{
struct itimerspec myperiod;
myperiod.it_interval.tv_sec = sec;
myperiod.it_interval.tv_nsec = nsec;
myperiod.it_value.tv_sec = sec;
myperiod.it_value.tv_nsec = nsec;
if (timer_settime (&id_timer_, 0, &myperiod, 0))
perror("timer_settime");
}
它返回timer_settime: Invalid argument
,而參數看起來不錯。
我也試過timer_settime(id_timer_, 0, &myperiod, 0)
(不&id_timer_
之前),我認爲這是使用timer_settime()
的好方法:分段錯誤...
任何線索?
您需要先創建時使用'timer_create'
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