diff options
Diffstat (limited to 'erts/emulator/sys/unix/sys.c')
| -rw-r--r-- | erts/emulator/sys/unix/sys.c | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index 4b2edace0a..e135dbff99 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -119,9 +119,8 @@ erts_smp_atomic_t sys_misc_mem_sz; static void smp_sig_notify(char c); static int sig_notify_fds[2] = {-1, -1}; -#if !defined(ETHR_UNUSABLE_SIGUSRX) && defined(ERTS_THR_HAVE_SIG_FUNCS) +#ifdef ERTS_SYS_SUSPEND_SIGNAL static int sig_suspend_fds[2] = {-1, -1}; -#define ERTS_SYS_SUSPEND_SIGNAL SIGUSR2 #endif #endif @@ -407,6 +406,7 @@ erts_sys_pre_init(void) #ifdef ERTS_THR_HAVE_SIG_FUNCS sigemptyset(&thr_create_sigmask); sigaddset(&thr_create_sigmask, SIGINT); /* block interrupt */ + sigaddset(&thr_create_sigmask, SIGTERM); /* block terminate signal */ sigaddset(&thr_create_sigmask, SIGUSR1); /* block user defined signal */ #endif @@ -655,6 +655,40 @@ static RETSIGTYPE request_break(int signum) #endif } +static void stop_requested(void) { + Process* p = NULL; + Eterm msg, *hp; + ErtsProcLocks locks = 0; + ErlOffHeap *ohp; + Eterm id = erts_whereis_name_to_id(NULL, am_init); + + if ((p = (erts_pid2proc_opt(NULL, 0, id, 0, ERTS_P2P_FLG_INC_REFC))) != NULL) { + ErtsMessage *msgp = erts_alloc_message_heap(p, &locks, 3, &hp, &ohp); + + /* init ! {stop,stop} */ + msg = TUPLE2(hp, am_stop, am_stop); + erts_queue_message(p, locks, msgp, msg, am_system); + + if (locks) + erts_smp_proc_unlock(p, locks); + erts_proc_dec_refc(p); + } +} + +#if (defined(SIG_SIGSET) || defined(SIG_SIGNAL)) +static RETSIGTYPE request_stop(void) +#else +static RETSIGTYPE request_stop(int signum) +#endif +{ +#ifdef ERTS_SMP + smp_sig_notify('S'); +#else + stop_requested(); +#endif +} + + static ERTS_INLINE void sigusr1_exit(void) { @@ -751,6 +785,7 @@ static RETSIGTYPE do_quit(int signum) /* Disable break */ void erts_set_ignore_break(void) { sys_signal(SIGINT, SIG_IGN); + sys_signal(SIGTERM, SIG_IGN); sys_signal(SIGQUIT, SIG_IGN); sys_signal(SIGTSTP, SIG_IGN); } @@ -776,6 +811,7 @@ void erts_replace_intr(void) { void init_break_handler(void) { sys_signal(SIGINT, request_break); + sys_signal(SIGTERM, request_stop); #ifndef ETHR_UNUSABLE_SIGUSRX sys_signal(SIGUSR1, user_signal1); #endif /* #ifndef ETHR_UNUSABLE_SIGUSRX */ @@ -1289,6 +1325,9 @@ signal_dispatcher_thread_func(void *unused) switch (buf[i]) { case 0: /* Emulator initialized */ break; + case 'S': /* SIGTERM */ + stop_requested(); + break; case 'I': /* SIGINT */ break_requested(); break; |