cut the backtrace displayed from sthread to the sthread_create to hide useless cruft

[simgrid.git] / examples / sthread / pthread-mutex-simple.c

diff --git a/examples/sthread/pthread-mutex-simple.c b/examples/sthread/pthread-mutex-simple.c
index abe582d..a7dea6b 100644 (file)
--- a/examples/sthread/pthread-mutex-simple.c
+++ b/examples/sthread/pthread-mutex-simple.c
@@ -1,3 +1,8 @@
+/* Copyright (c) 2002-2023. The SimGrid Team. All rights reserved.          */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
 /* Simple test code with no bug  */
 
 #include <pthread.h>
@@ -5,35 +10,30 @@
 
 pthread_mutex_t mutex;
 
-static void* thread1_fun(void* ignore)
-{
-  pthread_mutex_lock(&mutex);
-  pthread_mutex_unlock(&mutex);
-
-  return NULL;
-}
-static void* thread2_fun(void* ignore)
+static void* thread_fun(void* val)
 {
   pthread_mutex_lock(&mutex);
   pthread_mutex_unlock(&mutex);
 
+  fprintf(stderr, "The thread %d is terminating.\n", *(int*)val);
   return NULL;
 }
 
 int main(int argc, char* argv[])
 {
-  fprintf(stderr, "User main is starting\n");
-
   pthread_mutex_init(&mutex, NULL);
 
-  pthread_t thread1, thread2;
-  pthread_create(&thread1, NULL, thread1_fun, NULL);
-  fprintf(stderr, "here\n");
-  pthread_create(&thread2, NULL, thread2_fun, NULL);
-  fprintf(stderr, "there\n");
+  int id[2] = {0, 1};
+  pthread_t thread1;
+  pthread_t thread2;
+  pthread_create(&thread1, NULL, thread_fun, &id[0]);
+  pthread_create(&thread2, NULL, thread_fun, &id[1]);
+  fprintf(stderr, "All threads are started.\n");
   pthread_join(thread1, NULL);
   pthread_join(thread2, NULL);
 
-  fprintf(stderr, "User main is done\n");
+  pthread_mutex_destroy(&mutex);
+
+  fprintf(stderr, "User's main is terminating.\n");
   return 0;
 }