test mutex

Signed-off-by: fadhil riyanto <me@fadev.org>

1 files changed, 47 insertions, 0 deletions

diff --git a/test/mutex.c b/test/mutex.c
new file mode 100644
index 0000000..8130fec
--- /dev/null
+++ b/test/mutex.c
@@ -0,0 +1,47 @@
+
+#include <bits/pthreadtypes.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+pthread_t tid[2];
+int counter;
+pthread_mutex_t lock;
+
+void *trythis(void *arg) {
+        pthread_mutex_lock(&lock);
+        unsigned long i = 0;
+        counter += 1;
+        printf("\n Job %d has started\n", counter);
+
+        for (i = 0; i < (0xFFFFFFFF); i++)
+                ;
+        printf("\n Job %d has finished\n", counter);
+        pthread_mutex_unlock(&lock);
+        return NULL;
+}
+
+int main(void) {
+        int i = 0;
+        int error;
+
+        pthread_mutex_init(&lock, NULL);
+
+        while (i < 2) {
+                error = pthread_create(&(tid[i]), NULL, &trythis, NULL);
+                if (error != 0)
+                        printf("\nThread can't be created : [%s]",
+                               strerror(error));
+                i++;
+        }
+
+        pthread_join(tid[0], NULL);
+        pthread_join(tid[1], NULL);
+
+        pthread_mutex_destroy(&lock);
+
+        return 0;
+}