
int omsSetTimer(timer_t *tId,int value,int interval)就是设置定时器。
按你说的,如果要同时起多个定时器,需要定义一个数组timer_t tm[n]int it[n]tm就是定时器结构,it用来记录对应的定时器是否已经使用,使用中的就是1,没用的就是0;
主进程消息来了就从it找一个没用的来omsSetTimer,如果收到终止消息,那omsSetTimer 定时时间为0
int omsTimer(timer_t *tId,int iValue,int iSeconds ,void(*handle)(union sigval v),void * param)
{
struct sigevent se
struct itimerspec ts
memset (&se, 0, sizeof (se))
se.sigev_notify = SIGEV_THREAD
se.sigev_notify_function = handle
se.sigev_value.sival_ptr = param
if (timer_create (CLOCK_REALTIME, &se, tId) <0)
{
return -1
}
ts.it_value.tv_sec = iValue
// ts.it_value.tv_sec =3
//ts.it_value.tv_nsec = (long)(iValue % 1000) * (1000000L)
ts.it_value.tv_nsec = 0
ts.it_interval.tv_sec = iSeconds
//ts.it_interval.tv_nsec = (long)(iSeconds % 1000) * (1000000L)
ts.it_interval.tv_nsec = 0
if (timer_settime(*tId, TIMER_ABSTIME, &ts, NULL) <0)
{
return -1
}
return 0
}
int omsSetTimer(timer_t *tId,int value,int interval)
{
struct itimerspec ts
ts.it_value.tv_sec =value
//ts.it_value.tv_nsec = (long)(value % 1000) * (1000000L)
ts.it_value.tv_nsec = 0
ts.it_interval.tv_sec = interval
//ts.it_interval.tv_nsec = (long)(interval % 1000) * (1000000L)
ts.it_interval.tv_nsec = 0
if (timer_settime(*tId, TIMER_ABSTIME, &ts, NULL) <0)
{
return -1
}
return 0
}
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expected ‘=’, ‘,’, ‘’, ‘asm’ or ‘__attribute__’ before ‘*’ toke我遇到的是这样的问题,然后在自定义的头文件xxx.h中加了一个相应的系统头文件就ok了!
你也试试……
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