From d6c6e13796435f9e1e59fec891aa53680748a2d7 Mon Sep 17 00:00:00 2001
From: We-unite <3205135446@qq.com>
Date: Tue, 30 Jul 2024 19:37:48 +0800
Subject: Try to use kernel connector

---
 connector/test.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 connector/test.c

(limited to 'connector/test.c')

diff --git a/connector/test.c b/connector/test.c
new file mode 100644
index 0000000..c12ad10
--- /dev/null
+++ b/connector/test.c
@@ -0,0 +1,64 @@
+#define _GNU_SOURCE
+#include <sched.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+#include <pthread.h>
+
+#define STACK_SIZE (1024 * 1024) // 定义栈大小
+
+// 子任务的入口函数
+void *child_func(void *arg)
+{
+    printf("子任务: PID=%ld, PPID=%ld, TID=%ld\n", (long)getpid(),
+           (long)getppid(), (long)syscall(SYS_gettid));
+    sleep(3);
+}
+
+int main()
+{
+    char *stack;     // 栈的指针
+    char *stack_top; // 栈顶的指针
+    pid_t child_tid;
+    pid_t forkPid;
+    pid_t threadPid;
+
+    printf("主任务：我是%d\n", getpid());
+    if ((forkPid = fork()) == 0)
+    {
+        sleep(3);
+        exit(0);
+    }
+    printf("主任务：fork子任务 %d\n", forkPid);
+
+    pthread_create(&threadPid, NULL, child_func, NULL);
+    printf("主任务：create新线程%d\n", threadPid);
+
+    // 使用 clone 创建子任务
+    child_tid = clone(child_func, stack_top, SIGCHLD, NULL);
+    if (child_tid == -1)
+    {
+        perror("clone");
+        free(stack);
+        exit(EXIT_FAILURE);
+    }
+
+    printf("主任务: 创建了子任务, TID=%ld\n", (long)child_tid);
+
+    // 等待子任务结束
+    if (waitpid(child_tid, NULL, 0) == -1)
+    {
+        perror("waitpid");
+        free(stack);
+        exit(EXIT_FAILURE);
+    }
+
+    // 释放分配的栈
+    // free(stack);
+
+    printf("主任务: 子任务结束\n");
+    return 0;
+}
-- 
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