test

吕锦中202441429012406/task61.c

@@ -0,0 +1,58 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <time.h>
+#include <unistd.h>
+
+void *thread_T1(void *arg) {
+    for (int i = 1; i <= 5; i++) {
+        printf("My name is 吕锦中\n");
+        if (i < 5) {
+            int sleep_time = rand() % 5 + 1;
+            sleep(sleep_time);
+        }
+    }
+    return NULL;
+}
+
+void *thread_T2(void *arg) {
+    for (int i = 1; i <= 5; i++) {
+        printf("My student number is 2024414290124\n");
+        if (i < 5) {
+            int sleep_time = rand() % 5 + 1;
+            sleep(sleep_time);
+        }
+    }
+    return NULL;
+}
+
+void *thread_T3(void *arg) {
+    for (int i = 1; i <= 5; i++) {
+        time_t now = time(NULL);
+        struct tm *tm_info = localtime(&now);
+        char time_str[64];
+        strftime(time_str, sizeof(time_str), "%Y-%m-%d %H:%M:%S", tm_info);
+        printf("Current time %s\n", time_str);
+        if (i < 5) {
+            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, thread_T1, NULL);
+    pthread_create(&t2, NULL, thread_T2, NULL);
+    pthread_create(&t3, NULL, thread_T3, NULL);
+
+    pthread_join(t1, NULL);
+    pthread_join(t2, NULL);
+    pthread_join(t3, NULL);
+
+    printf("All threads finished.\n");
+    return 0;
+}