/* Make sure timers don't return early * by: john stultz (johnstul@us.ibm.com) * John Stultz (john.stultz@linaro.org) * (C) Copyright IBM 2012 * (C) Copyright Linaro 2013 2015 * Licensed under the GPLv2 * * To build: * $ gcc nanosleep.c -o nanosleep -lrt * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details.
*/
char *clockstring(int clockid)
{ switch (clockid) { case CLOCK_REALTIME: return"CLOCK_REALTIME"; case CLOCK_MONOTONIC: return"CLOCK_MONOTONIC"; case CLOCK_PROCESS_CPUTIME_ID: return"CLOCK_PROCESS_CPUTIME_ID"; case CLOCK_THREAD_CPUTIME_ID: return"CLOCK_THREAD_CPUTIME_ID"; case CLOCK_MONOTONIC_RAW: return"CLOCK_MONOTONIC_RAW"; case CLOCK_REALTIME_COARSE: return"CLOCK_REALTIME_COARSE"; case CLOCK_MONOTONIC_COARSE: return"CLOCK_MONOTONIC_COARSE"; case CLOCK_BOOTTIME: return"CLOCK_BOOTTIME"; case CLOCK_REALTIME_ALARM: return"CLOCK_REALTIME_ALARM"; case CLOCK_BOOTTIME_ALARM: return"CLOCK_BOOTTIME_ALARM"; case CLOCK_TAI: return"CLOCK_TAI";
}; return"UNKNOWN_CLOCKID";
}
/* returns 1 if a <= b, 0 otherwise */ staticinlineint in_order(struct timespec a, struct timespec b)
{ if (a.tv_sec < b.tv_sec) return 1; if (a.tv_sec > b.tv_sec) return 0; if (a.tv_nsec > b.tv_nsec) return 0; return 1;
}
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