diff options
Diffstat (limited to 'src/user/app/init/init.c')
| -rw-r--r-- | src/user/app/init/init.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/src/user/app/init/init.c b/src/user/app/init/init.c index 2ae8048..ee8554f 100644 --- a/src/user/app/init/init.c +++ b/src/user/app/init/init.c @@ -25,6 +25,8 @@ void redirect(const char *exe, const char *out, const char *in) { } int main(void) { + handle_t killswitch_pipe[2]; + freopen("/kdev/com1", "a+", stdout); freopen("/kdev/com1", "a+", stderr); printf("in init (stage 2), main at 0x%x\n", &main); @@ -50,6 +52,16 @@ int main(void) { fs_union(list); } + if (_syscall_pipe(killswitch_pipe, 0) < 0) { + printf("couldn't create the killswitch pipe, quitting...\n"); + return 1; + } + MOUNT_AT("/initctl") { + close(killswitch_pipe[0]); + initctl_drv(killswitch_pipe[1]); + } + close(killswitch_pipe[1]); + if (fork()) { /* used to trigger a kernel bug * 7c96f9c03502e0c60f23f4c550d12a629f3b3daf */ @@ -57,10 +69,16 @@ int main(void) { exit(1); } - redirect("/bin/shell", "/kdev/com1", "/kdev/com1"); - redirect("/bin/shell", "/vtty", "/keyboard"); + if (!fork()) { + // TODO close on exec + close(killswitch_pipe[0]); + redirect("/bin/shell", "/kdev/com1", "/kdev/com1"); + redirect("/bin/shell", "/vtty", "/keyboard"); + _syscall_await(); + printf("init: restarting children not yet implemented\n"); + exit(1); + } - _syscall_await(); - printf("init: quitting\n"); + _syscall_read(killswitch_pipe[0], NULL, 0, 0); return 0; } |