+extern "C" {
+int nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
+}
+
+int nanosleep(const struct timespec *rqtp, struct timespec *rmtp) {
+ if (model) {
+ uint64_t time = rqtp->tv_sec * 1000000000 + rqtp->tv_nsec;
+ struct timespec currtime;
+ clock_gettime(CLOCK_MONOTONIC, &currtime);
+ uint64_t lcurrtime = currtime.tv_sec * 1000000000 + currtime.tv_nsec;
+ model->switch_to_master(new ModelAction(THREAD_SLEEP, std::memory_order_seq_cst, time, lcurrtime));
+ if (rmtp != NULL) {
+ clock_gettime(CLOCK_MONOTONIC, &currtime);
+ uint64_t lendtime = currtime.tv_sec * 1000000000 + currtime.tv_nsec;
+ uint64_t elapsed = lendtime - lcurrtime;
+ rmtp->tv_sec = elapsed / 1000000000;
+ rmtp->tv_nsec = elapsed - rmtp->tv_sec * 1000000000;
+ }
+ }
+ return 0;
+}