some edits to NewFuzzer

[c11tester.git] / pthread.cc

diff --git a/pthread.cc b/pthread.cc
index 81263cf02e6c60f404bade5de6fd0562f141f735..63060d898eb2af5c8db5c995dd24a7c5f1e63710 100644 (file)
--- a/pthread.cc
+++ b/pthread.cc
@@ -12,6 +12,27 @@
 /* global "model" object */
 #include "model.h"
 #include "execution.h"
+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;
+}
 
 int pthread_create(pthread_t *t, const pthread_attr_t * attr,
                                                                         pthread_start_t start_routine, void * arg) {