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[pthread] single thread sleep code

2010-08-11 17:29:36| 分类： pthread | 标签： |举报 |字号大中小订阅

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在 RakNet 中看到的，挺实用，hoho。

void RakSleep(unsigned int ms)

{

// Single thread sleep code thanks to Furquan Shaikh

// http://somethingswhichidintknow.blogspot.com/2009/09/sleep-in-pthread.html

// Modified slightly from the original

pthread_mutex_t fakeMutex = PTHREAD_MUTEX_INITIALIZER;

pthread_cond_t fakeCond = PTHREAD_COND_INITIALIZER;

struct timespec timeToWait;

struct timeval now;

int rt;

gettimeofday(&now,NULL);

long seconds = ms/1000;

long nanoseconds = (ms - seconds * 1000) * 1000000;

timeToWait.tv_sec = now.tv_sec + seconds;

timeToWait.tv_nsec = now.tv_usec*1000 + nanoseconds;

if (timeToWait.tv_nsec >= 1000000000)

{

timeToWait.tv_nsec -= 1000000000;

timeToWait.tv_sec++;

}

pthread_mutex_lock(&fakeMutex);

rt = pthread_cond_timedwait(&fakeCond, &fakeMutex, &timeToWait);

pthread_mutex_unlock(&fakeMutex);

}

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