source: azure_iot_hub/trunk/musl-1.1.18/src/thread/mtx_timedlock.c@ 388

#include <threads.h>
#include <errno.h>

int __pthread_mutex_timedlock(mtx_t *restrict, const struct timespec *restrict);

int mtx_timedlock(mtx_t *restrict m, const struct timespec *restrict ts)
{
        int ret = __pthread_mutex_timedlock(m, ts);
        switch (ret) {
        default:        return thrd_error;
        case 0:         return thrd_success;
        case ETIMEDOUT: return thrd_timedout;
        }
}