#include <pthread.h>
#include <unistd.h> // sleep 的头文件
#include <android/log.h>
pthread_cond_t cond;
pthread_mutex_t mutex;
struct timeval now;
struct timespec outtime;
// 单位毫秒
void LTSleep(int nHm) {
gettimeofday(&now, NULL);
now.tv_usec += 1000*nHm;
if (now.tv_usec > 1000000) {
now.tv_sec += now.tv_usec / 1000000;
now.tv_usec %= 1000000;
}
outtime.tv_sec = now.tv_sec;
outtime.tv_nsec = now.tv_usec * 1000;
pthread_cond_timedwait(&cond, &mutex, &outtime);
}
void* thread_run(void* arg) {
fatherclass* thisa = (fatherclass*)arg;
while (thisa->threadFlag) {
....
//sleep(thisa->sleepTime);
LTSleep(30);
}
__android_log_print(ANDROID_LOG_WARN, "thread_run", "exit");
pthread_exit(0);
return 0;
}
使用：
void fatherclass::start(){
pthread_t pt;
pthread_create(&pt, NULL, &thread_run, (void *)this);
}
这里写了一个sleep函数。因为sleep参数是秒，我想用毫秒。
另外：pthread_cond_timedwait 我只当计时器用了。其中前两个参数有很大价值。大家可以选择性学习一下。