X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/20097445f742afff2c263431efcb1c8b596076a8..e66387b252f36c894d79769cbfb178bc950600d4:/lunaix-os/kernel/lxinit.c diff --git a/lunaix-os/kernel/lxinit.c b/lunaix-os/kernel/lxinit.c index d951a9f..43f0f2d 100644 --- a/lunaix-os/kernel/lxinit.c +++ b/lunaix-os/kernel/lxinit.c @@ -15,7 +15,7 @@ extern uint8_t __kernel_start; LOG_MODULE("INIT") // #define FORK_BOMB_DEMO -#define WAIT_DEMO +// #define WAIT_DEMO void _lxinit_main() @@ -30,6 +30,7 @@ _lxinit_main() } #endif + int status; #ifdef WAIT_DEMO // 测试wait kprintf("I am parent, going to fork my child and wait.\n"); @@ -39,16 +40,23 @@ _lxinit_main() 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); @@ -62,6 +70,15 @@ _lxinit_main() 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");