[問題] timer start/stop?
要在process中啟動/停止一個每10ms會執行的timer
現在使用setitimer/signal來做此動作(底下有個範例，有錯誤請糾正)
但是我有幾個問題想請問
1. 啟動timer後，該怎麼暫停？或是刪除？(可否用底下範例說明)
2. handler函式所帶的參數(int a)，是要怎麼傳進去呢？
還是說用global變數來傳遞?
感謝！
void my_alarm_handler(int a)
{
cerr<<"test"<<endl;
}
int main() {
struct itimerval t;
t.it_interval.tv_usec = 10000;
t.it_interval.tv_sec = 0;
t.it_value.tv_usec = 0;
t.it_value.tv_sec = 0;
if( setitimer(ITIMER_REAL, &t, NULL) < 0 ) {
cerr<< "setitimer error."<<endl;
return -1;
}
signal(SIGALRM, my_alarm_handler);
while(1) {
sleep(1);
}
return 0;
}
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