LOG_MODULE("INIT")
// #define FORK_BOMB_DEMO
-#define WAIT_DEMO
+// #define WAIT_DEMO
void
_lxinit_main()
}
#endif
+ int status;
#ifdef WAIT_DEMO
// 测试wait
kprintf("I am parent, going to fork my child and wait.\n");
kprintf("I am child, I am about to terminated\n");
_exit(1);
}
- int status;
pid_t child = wait(&status);
- kprintf(
- "I am parent, my child (%d) terminated with code: %d.\n", child, status);
+ kprintf("I am parent, my child (%d) terminated normally with code: %d.\n",
+ child,
+ WEXITSTATUS(status));
#endif
- sleep(5);
+ pid_t p = 0;
+
+ if (!fork()) {
+ kprintf("Test no hang!\n");
+ sleep(6);
+ _exit(0);
+ }
- // 这里是就是LunaixOS的第一个进程了!
- for (size_t i = 0; i < 10; i++) {
+ waitpid(-1, &status, WNOHANG);
+
+ for (size_t i = 0; i < 5; i++) {
pid_t pid = 0;
if (!(pid = fork())) {
sleep(i);
kprintf(KINFO "Forked %d\n", pid);
}
+ while ((p = wait(&status)) >= 0) {
+ short code = WEXITSTATUS(status);
+ if (WIFEXITED(status)) {
+ kprintf(KINFO "Process %d exited with code %d\n", p, code);
+ } else {
+ kprintf(KWARN "Process %d aborted with code %d\n", p, code);
+ }
+ }
+
char buf[64];
kprintf(KINFO "Hello processes!\n");