diff options
Diffstat (limited to 'socket.c')
-rw-r--r-- | socket.c | 106 |
1 files changed, 56 insertions, 50 deletions
@@ -43,8 +43,8 @@ static const UnitActiveState state_translation_table[_SOCKET_STATE_MAX] = { [SOCKET_STOP_PRE_SIGTERM] = UNIT_DEACTIVATING, [SOCKET_STOP_PRE_SIGKILL] = UNIT_DEACTIVATING, [SOCKET_STOP_POST] = UNIT_DEACTIVATING, - [SOCKET_STOP_POST_SIGTERM] = UNIT_DEACTIVATING, - [SOCKET_STOP_POST_SIGKILL] = UNIT_DEACTIVATING, + [SOCKET_FINAL_SIGTERM] = UNIT_DEACTIVATING, + [SOCKET_FINAL_SIGKILL] = UNIT_DEACTIVATING, [SOCKET_MAINTAINANCE] = UNIT_INACTIVE, }; @@ -58,8 +58,8 @@ static const char* const state_string_table[_SOCKET_STATE_MAX] = { [SOCKET_STOP_PRE_SIGTERM] = "stop-pre-sigterm", [SOCKET_STOP_PRE_SIGKILL] = "stop-pre-sigkill", [SOCKET_STOP_POST] = "stop-post", - [SOCKET_STOP_POST_SIGTERM] = "stop-post-sigterm", - [SOCKET_STOP_POST_SIGKILL] = "stop-post-sigkill", + [SOCKET_FINAL_SIGTERM] = "final-sigterm", + [SOCKET_FINAL_SIGKILL] = "final-sigkill", [SOCKET_MAINTAINANCE] = "maintainance" }; @@ -365,8 +365,8 @@ static void socket_set_state(Socket *s, SocketState state) { state != SOCKET_STOP_PRE_SIGTERM && state != SOCKET_STOP_PRE_SIGKILL && state != SOCKET_STOP_POST && - state != SOCKET_STOP_POST_SIGTERM && - state != SOCKET_STOP_POST_SIGKILL) { + state != SOCKET_FINAL_SIGTERM && + state != SOCKET_FINAL_SIGKILL) { unit_unwatch_timer(UNIT(s), &s->timer_watch); socket_unwatch_control_pid(s); s->control_command = NULL; @@ -405,6 +405,7 @@ static int socket_spawn(Socket *s, ExecCommand *c, pid_t *_pid) { NULL, 0, true, true, + UNIT(s)->meta.manager->confirm_spawn, UNIT(s)->meta.cgroup_bondings, &pid)) < 0) goto fail; @@ -432,6 +433,8 @@ static void socket_enter_dead(Socket *s, bool success) { socket_set_state(s, s->failure ? SOCKET_MAINTAINANCE : SOCKET_DEAD); } +static void socket_enter_signal(Socket *s, SocketState state, bool success); + static void socket_enter_stop_post(Socket *s, bool success) { int r; assert(s); @@ -441,35 +444,32 @@ static void socket_enter_stop_post(Socket *s, bool success) { socket_unwatch_control_pid(s); - if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_POST])) + if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_POST])) { if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) goto fail; - socket_set_state(s, SOCKET_STOP_POST); - - if (!s->control_command) - socket_enter_dead(s, true); + socket_set_state(s, SOCKET_STOP_POST); + } else + socket_enter_signal(s, SOCKET_FINAL_SIGTERM, true); return; fail: log_warning("%s failed to run stop-post executable: %s", unit_id(UNIT(s)), strerror(-r)); - socket_enter_dead(s, false); + socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false); } static void socket_enter_signal(Socket *s, SocketState state, bool success) { int r; + bool sent = false; assert(s); if (!success) s->failure = true; - if (s->control_pid > 0) { - int sig; - bool sent = false; - - sig = (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_STOP_POST_SIGTERM) ? SIGTERM : SIGKILL; + if (s->kill_mode != KILL_NONE) { + int sig = (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_FINAL_SIGTERM) ? SIGTERM : SIGKILL; if (s->kill_mode == KILL_CONTROL_GROUP) { @@ -480,16 +480,21 @@ static void socket_enter_signal(Socket *s, SocketState state, bool success) { sent = true; } - if (!sent) + if (!sent && s->control_pid > 0) if (kill(s->kill_mode == KILL_PROCESS ? s->control_pid : -s->control_pid, sig) < 0 && errno != ESRCH) { r = -errno; goto fail; } } - socket_set_state(s, state); + if (sent) { + if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) + goto fail; - if (s->control_pid <= 0) + socket_set_state(s, state); + } else if (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_STOP_PRE_SIGKILL) + socket_enter_stop_post(s, true); + else socket_enter_dead(s, true); return; @@ -512,13 +517,12 @@ static void socket_enter_stop_pre(Socket *s, bool success) { socket_unwatch_control_pid(s); - if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_PRE])) + if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_PRE])) { if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) goto fail; - socket_set_state(s, SOCKET_STOP_PRE); - - if (!s->control_command) + socket_set_state(s, SOCKET_STOP_PRE); + } else socket_enter_stop_post(s, true); return; @@ -555,15 +559,14 @@ static void socket_enter_start_post(Socket *s) { socket_unwatch_control_pid(s); - if ((s->control_command = s->exec_command[SOCKET_EXEC_START_POST])) + if ((s->control_command = s->exec_command[SOCKET_EXEC_START_POST])) { if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) { log_warning("%s failed to run start-post executable: %s", unit_id(UNIT(s)), strerror(-r)); goto fail; } - socket_set_state(s, SOCKET_START_POST); - - if (!s->control_command) + socket_set_state(s, SOCKET_START_POST); + } else socket_enter_listening(s); return; @@ -578,13 +581,12 @@ static void socket_enter_start_pre(Socket *s) { socket_unwatch_control_pid(s); - if ((s->control_command = s->exec_command[SOCKET_EXEC_START_PRE])) + if ((s->control_command = s->exec_command[SOCKET_EXEC_START_PRE])) { if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) goto fail; - socket_set_state(s, SOCKET_START_PRE); - - if (!s->control_command) + socket_set_state(s, SOCKET_START_PRE); + } else socket_enter_start_post(s); return; @@ -607,7 +609,7 @@ static void socket_enter_running(Socket *s) { fail: log_warning("%s failed to queue socket startup job: %s", unit_id(UNIT(s)), strerror(-r)); - socket_enter_dead(s, false); + socket_enter_stop_pre(s, false); } static void socket_run_next(Socket *s, bool success) { @@ -630,12 +632,14 @@ static void socket_run_next(Socket *s, bool success) { return; fail: - if (s->state == SOCKET_STOP_PRE) - socket_enter_stop_post(s, false); + log_warning("%s failed to run spawn next executable: %s", unit_id(UNIT(s)), strerror(-r)); + + if (s->state == SOCKET_START_POST) + socket_enter_stop_pre(s, false); else if (s->state == SOCKET_STOP_POST) socket_enter_dead(s, false); else - socket_enter_stop_pre(s, false); + socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false); } static int socket_start(Unit *u) { @@ -649,8 +653,8 @@ static int socket_start(Unit *u) { s->state == SOCKET_STOP_PRE_SIGKILL || s->state == SOCKET_STOP_PRE_SIGTERM || s->state == SOCKET_STOP_POST || - s->state == SOCKET_STOP_POST_SIGTERM || - s->state == SOCKET_STOP_POST_SIGKILL) + s->state == SOCKET_FINAL_SIGTERM || + s->state == SOCKET_FINAL_SIGKILL) return -EAGAIN; if (s->state == SOCKET_START_PRE || @@ -691,8 +695,8 @@ static int socket_stop(Unit *u) { s->state == SOCKET_STOP_PRE_SIGTERM || s->state == SOCKET_STOP_PRE_SIGKILL || s->state == SOCKET_STOP_POST || - s->state == SOCKET_STOP_POST_SIGTERM || - s->state == SOCKET_STOP_POST_SIGTERM) + s->state == SOCKET_FINAL_SIGTERM || + s->state == SOCKET_FINAL_SIGTERM) return 0; assert(s->state == SOCKET_LISTENING || s->state == SOCKET_RUNNING); @@ -738,9 +742,8 @@ static void socket_sigchld_event(Unit *u, pid_t pid, int code, int status) { log_debug("%s control process exited, code=%s status=%i", unit_id(u), sigchld_code_to_string(code), status); - if (s->control_command->command_next && - (success || (s->state == SOCKET_STOP_PRE || s->state == SOCKET_STOP_POST))) { - log_debug("%s running next command for the state %s", unit_id(u), state_string_table[s->state]); + if (s->control_command->command_next && success) { + log_debug("%s running next command for state %s", unit_id(u), state_string_table[s->state]); socket_run_next(s, success); } else { /* No further commands for this step, so let's figure @@ -754,7 +757,7 @@ static void socket_sigchld_event(Unit *u, pid_t pid, int code, int status) { if (success) socket_enter_start_post(s); else - socket_enter_stop_pre(s, false); + socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false); break; case SOCKET_START_POST: @@ -771,8 +774,8 @@ static void socket_sigchld_event(Unit *u, pid_t pid, int code, int status) { break; case SOCKET_STOP_POST: - case SOCKET_STOP_POST_SIGTERM: - case SOCKET_STOP_POST_SIGKILL: + case SOCKET_FINAL_SIGTERM: + case SOCKET_FINAL_SIGKILL: socket_enter_dead(s, success); break; @@ -792,6 +795,9 @@ static void socket_timer_event(Unit *u, uint64_t elapsed, Watch *w) { switch (s->state) { case SOCKET_START_PRE: + log_warning("%s starting timed out. Terminating.", unit_id(u)); + socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false); + case SOCKET_START_POST: log_warning("%s starting timed out. Stopping.", unit_id(u)); socket_enter_stop_pre(s, false); @@ -814,15 +820,15 @@ static void socket_timer_event(Unit *u, uint64_t elapsed, Watch *w) { case SOCKET_STOP_POST: log_warning("%s stopping timed out (2). Terminating.", unit_id(u)); - socket_enter_signal(s, SOCKET_STOP_POST_SIGTERM, false); + socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false); break; - case SOCKET_STOP_POST_SIGTERM: + case SOCKET_FINAL_SIGTERM: log_warning("%s stopping timed out (2). Killing.", unit_id(u)); - socket_enter_signal(s, SOCKET_STOP_POST_SIGKILL, false); + socket_enter_signal(s, SOCKET_FINAL_SIGKILL, false); break; - case SOCKET_STOP_POST_SIGKILL: + case SOCKET_FINAL_SIGKILL: log_warning("%s still around after SIGKILL (2). Entering maintainance mode.", unit_id(u)); socket_enter_dead(s, false); break; |