llvm-project/openmp/runtime/test/omp_my_sleep.h

34 lines
693 B
C

#ifndef MY_SLEEP_H
#define MY_SLEEP_H
/*! Utility function to have a sleep function with better resolution and
* which only stops one thread. */
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <time.h>
#if defined(_WIN32)
# include <windows.h>
// Windows version of my_sleep() function
static void my_sleep(double sleeptime) {
DWORD ms = (DWORD) (sleeptime * 1000.0);
Sleep(ms);
}
#else // _WIN32
// Unices version of my_sleep() function
static void my_sleep(double sleeptime) {
struct timespec ts;
ts.tv_sec = (time_t)sleeptime;
ts.tv_nsec = (long)((sleeptime - (double)ts.tv_sec) * 1E9);
nanosleep(&ts, NULL);
}
#endif // _WIN32
#endif // MY_SLEEP_H