aiwork

AI-work/task61.c

@@ -0,0 +1,50 @@
+#include <pthread.h>
+#include <time.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+void *workerT1(void *vargp)
+{
+    for (int i = 0; i < 5; i++) {
+        printf("My name is Lvjinzhong\n");
+        int sleep_time = rand() % 5 + 1;
+        sleep(sleep_time);
+    }
+    return NULL;
+}
+
+void *workerT2(void *vargp)
+{
+    for (int i = 0; i < 5; i++) {
+        printf("My student number is 2024414290124\n");
+        int sleep_time = rand() % 5 + 1;
+        sleep(sleep_time);
+    }
+    return NULL;
+}
+
+void *workerT3(void *vargp)
+{
+    for (int i = 0; i < 5; i++) {
+        time_t t = time(NULL);
+        printf("Current time %s", ctime(&t));
+        int sleep_time = rand() % 5 + 1;
+        sleep(sleep_time);
+    }
+    return NULL;
+}
+
+int main()
+{
+    srand(time(NULL));
+    pthread_t t1, t2, t3;
+    pthread_create(&t1, NULL, workerT1, NULL);
+    pthread_create(&t2, NULL, workerT2, NULL);
+    pthread_create(&t3, NULL, workerT3, NULL);
+
+    pthread_join(t1, NULL);
+    pthread_join(t2, NULL);
+    pthread_join(t3, NULL);
+    return 0;
+}