Add more Mc Mini tests

[simgrid.git] / teshsuite / mc / mcmini / simple_mutex_with_threads_ok.c

diff --git a/teshsuite/mc/mcmini/simple_mutex_with_threads_ok.c b/teshsuite/mc/mcmini/simple_mutex_with_threads_ok.c
new file mode 100644 (file)
index 0000000..d460e89
--- /dev/null
+++ b/teshsuite/mc/mcmini/simple_mutex_with_threads_ok.c
@@ -0,0 +1,48 @@
+#include <pthread.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+pthread_mutex_t mutex1;
+pthread_mutex_t mutex2;
+
+static void * thread_doit(void *unused) {
+    pthread_mutex_lock(&mutex1);
+    pthread_mutex_lock(&mutex2);
+    pthread_mutex_unlock(&mutex2);
+    pthread_mutex_unlock(&mutex1);
+    return NULL;
+}
+
+int main(int argc, char* argv[]) {
+
+    if(argc < 2) {
+        printf("Expected usage: %s THREAD_NUM\n", argv[0]);
+        return -1;
+    }
+
+    int THREAD_NUM = atoi(argv[1]);
+
+    if(THREAD_NUM < 2) {
+        printf("At least 2 threads are required\n");
+        return -1;
+    }
+
+    pthread_t *threads = malloc(sizeof(pthread_t) * THREAD_NUM);
+
+    pthread_mutex_init(&mutex1, NULL);
+    pthread_mutex_init(&mutex2, NULL);
+
+    for(int i = 0; i < THREAD_NUM; i++) {
+        pthread_create(&threads[i], NULL, &thread_doit, NULL);
+    }
+
+    for(int i = 0; i < THREAD_NUM; i++) {
+        pthread_join(threads[i], NULL);
+    }
+
+    free(threads);
+    pthread_mutex_destroy(&mutex1);
+    pthread_mutex_destroy(&mutex2);
+
+    return 0;
+}