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| author | Eric Andersen | 2002-07-03 05:15:23 +0000 |
|---|---|---|
| committer | Eric Andersen | 2002-07-03 05:15:23 +0000 |
| commit | 5222d31a15bce9d86b2d2781f75006f18df22865 (patch) | |
| tree | 29cb674d7d16597c459799c118297a1bd6222257 /init | |
| parent | 549df2ebc387b84914417b3f3742105f09f39130 (diff) | |
| download | busybox-5222d31a15bce9d86b2d2781f75006f18df22865.zip busybox-5222d31a15bce9d86b2d2781f75006f18df22865.tar.gz | |
Patch from till busch <buti@gmx.at> -- unblock all signals
in exec_signal() before calling exec()
Diffstat (limited to 'init')
| -rw-r--r-- | init/init.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/init/init.c b/init/init.c index f109c4e..e481253 100644 --- a/init/init.c +++ b/init/init.c @@ -758,10 +758,26 @@ static void shutdown_system(void) static void exec_signal(int sig) { struct init_action *a, *tmp; + sigset_t unblock_signals; + for (a = init_action_list; a; a = tmp) { tmp = a->next; if (a->action & RESTART) { shutdown_system(); + + /* unblock all signals, blocked in shutdown_system() */ + sigemptyset(&unblock_signals); + sigaddset(&unblock_signals, SIGHUP); + sigaddset(&unblock_signals, SIGCHLD); + sigaddset(&unblock_signals, SIGUSR1); + sigaddset(&unblock_signals, SIGUSR2); + sigaddset(&unblock_signals, SIGINT); + sigaddset(&unblock_signals, SIGTERM); + sigaddset(&unblock_signals, SIGCONT); + sigaddset(&unblock_signals, SIGSTOP); + sigaddset(&unblock_signals, SIGTSTP); + sigprocmask(SIG_UNBLOCK, &unblock_signals, NULL); + message(CONSOLE|LOG, "\rTrying to re-exec %s\n", a->command); execl(a->command, a->command, NULL); |