diff --git a/ANALE-1/EXO3/SUJET/a.out b/ANALE-1/EXO3/SUJET/a.out
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index 0000000..5a7c38c
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diff --git a/ANALE-1/EXO3/SUJET/pipeline.c b/ANALE-1/EXO3/SUJET/pipeline.c
new file mode 100644
index 0000000..e69de29
diff --git a/ANALE-1/EXO4/Thread b/ANALE-1/EXO4/Thread
new file mode 100755
index 0000000..030a1f9
Binary files /dev/null and b/ANALE-1/EXO4/Thread differ
diff --git a/ANALE-1/EXO4/thread.c b/ANALE-1/EXO4/thread.c
new file mode 100644
index 0000000..da75873
--- /dev/null
+++ b/ANALE-1/EXO4/thread.c
@@ -0,0 +1,45 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <pthread.h>
+
+struct structArg {
+    pthread_mutex_t* mutex;
+};
+
+void* func1(void* arg){
+    struct structArg* args = arg;
+    pthread_mutex_lock(args->mutex);
+    for(int i =1;i<1500;i++){
+        printf("OK - 1 - %d\n",i);
+    }
+    pthread_mutex_unlock(args->mutex);
+    pthread_exit(NULL);
+}
+
+void* func2(void* arg){
+    struct structArg* args = arg;
+    pthread_mutex_lock(args->mutex);
+    for(int i =1;i<1000;i++){
+        printf("OK - 2 - %d\n",i);
+    }
+    pthread_mutex_unlock(args->mutex);
+    pthread_exit(NULL);
+}
+
+int main(void){
+    pthread_t p1,p2; 
+    pthread_mutex_t mutex;
+    pthread_mutex_init(&mutex,NULL);
+
+    struct structArg args;
+    args.mutex = &mutex;
+
+
+    pthread_create(&p1,NULL,func1,&args);
+    pthread_create(&p2,NULL,func2,&args);
+    pthread_join(p1,NULL);
+    pthread_join(p2,NULL);
+    pthread_mutex_destroy(&mutex);
+
+    return 0;
+}
\ No newline at end of file