Linux¶¨Ê±Æ÷——setitimer()
setitimer()ÊDZȽϾ«×¼µÄ¶¨Ê±Æ÷£¬ÊÇLinuxµÄAPI
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#include <signal.h>
#include <sys/time.h>
static int time_count=30;
static void sigalrm_handler(int sig)
{
time_count--;
printf("timer signal.. %d\n", time_count);
}
struct itimerval v; //¶¨Ê±Æ÷½á¹¹Ìå
time_count=10; //Ôٴγõʼ»¯
signal(SIGALRM, sigalrm_handler);//°ó¶¨Ðźź¯Êý
v.it_value.tv_sec=1;
v.it_value.tv_usec=0;
v.it_interval.tv_sec=1;//¼ä¸ô1s
v.it_interval.tv_usec=0;
setitimer(ITIMER_REAL,&v,NULL); //½á¹¹Ì幨Áª£¬start
...
...
//=========½áÊø´Ë¶¨Ê±Æ÷=====================
v.it_value.tv_sec=0;
v.it_value.tv_usec=0;
v.it_interval.tv_sec=0;
v.it_interval.tv_usec=0;
setitimer(ITIMER_REAL,&v,NULL);
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