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authorLennart Poettering <lennart@poettering.net>2014-07-03 12:47:40 +0200
committerLennart Poettering <lennart@poettering.net>2014-07-03 12:51:07 +0200
commit37520c1bec9a92adbe02fceaece588a7aa2fea2b (patch)
treefce49d94c6c67e2563f86b509c4d07b582a35849 /src
parentffd488e272aa95f7d43626e1f90fea8c30a5863b (diff)
core: introduce new RestartForceExitStatus= service setting
This does the inverse of RestartPreventExitStatus=: it forces a restart of a service when a certain exit status is returned by a service process.
Diffstat (limited to 'src')
-rw-r--r--src/core/load-fragment-gperf.gperf.m43
-rw-r--r--src/core/service.c38
-rw-r--r--src/core/service.h3
-rw-r--r--src/shared/exit-status.c8
-rw-r--r--src/shared/exit-status.h2
5 files changed, 31 insertions, 23 deletions
diff --git a/src/core/load-fragment-gperf.gperf.m4 b/src/core/load-fragment-gperf.gperf.m4
index 4f3731b441..a7c4469a46 100644
--- a/src/core/load-fragment-gperf.gperf.m4
+++ b/src/core/load-fragment-gperf.gperf.m4
@@ -194,7 +194,8 @@ Service.PermissionsStartOnly, config_parse_bool, 0,
Service.RootDirectoryStartOnly, config_parse_bool, 0, offsetof(Service, root_directory_start_only)
Service.RemainAfterExit, config_parse_bool, 0, offsetof(Service, remain_after_exit)
Service.GuessMainPID, config_parse_bool, 0, offsetof(Service, guess_main_pid)
-Service.RestartPreventExitStatus, config_parse_set_status, 0, offsetof(Service, restart_ignore_status)
+Service.RestartPreventExitStatus, config_parse_set_status, 0, offsetof(Service, restart_prevent_status)
+Service.RestartForceExitStatus, config_parse_set_status, 0, offsetof(Service, restart_force_status)
Service.SuccessExitStatus, config_parse_set_status, 0, offsetof(Service, success_status)
m4_ifdef(`HAVE_SYSV_COMPAT',
`Service.SysVStartPriority, config_parse_sysv_priority, 0, offsetof(Service, sysv_start_priority)',
diff --git a/src/core/service.c b/src/core/service.c
index 10dc79c8a2..e221899591 100644
--- a/src/core/service.c
+++ b/src/core/service.c
@@ -266,15 +266,9 @@ static void service_done(Unit *u) {
s->control_command = NULL;
s->main_command = NULL;
- set_free(s->restart_ignore_status.code);
- s->restart_ignore_status.code = NULL;
- set_free(s->restart_ignore_status.signal);
- s->restart_ignore_status.signal = NULL;
-
- set_free(s->success_status.code);
- s->success_status.code = NULL;
- set_free(s->success_status.signal);
- s->success_status.signal = NULL;
+ exit_status_set_free(&s->restart_prevent_status);
+ exit_status_set_free(&s->restart_force_status);
+ exit_status_set_free(&s->success_status);
/* This will leak a process, but at least no memory or any of
* our resources */
@@ -337,7 +331,12 @@ static int service_verify(Service *s) {
}
if (s->type == SERVICE_ONESHOT && s->restart != SERVICE_RESTART_NO) {
- log_error_unit(UNIT(s)->id, "%s has Restart setting other than no, which isn't allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
+ log_error_unit(UNIT(s)->id, "%s has Restart= setting other than no, which isn't allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
+ return -EINVAL;
+ }
+
+ if (s->type == SERVICE_ONESHOT && !(set_isempty(s->restart_force_status.signal) && set_isempty(s->restart_force_status.code))) {
+ log_error_unit(UNIT(s)->id, "%s has RestartForceStatus= set, which isn't allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
return -EINVAL;
}
@@ -1071,11 +1070,11 @@ static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart)
(s->restart == SERVICE_RESTART_ON_FAILURE && s->result != SERVICE_SUCCESS) ||
(s->restart == SERVICE_RESTART_ON_ABNORMAL && !IN_SET(s->result, SERVICE_SUCCESS, SERVICE_FAILURE_EXIT_CODE)) ||
(s->restart == SERVICE_RESTART_ON_WATCHDOG && s->result == SERVICE_FAILURE_WATCHDOG) ||
- (s->restart == SERVICE_RESTART_ON_ABORT && IN_SET(s->result, SERVICE_FAILURE_SIGNAL, SERVICE_FAILURE_CORE_DUMP))) &&
- (s->result != SERVICE_FAILURE_EXIT_CODE ||
- !set_contains(s->restart_ignore_status.code, INT_TO_PTR(s->main_exec_status.status))) &&
- (s->result != SERVICE_FAILURE_SIGNAL ||
- !set_contains(s->restart_ignore_status.signal, INT_TO_PTR(s->main_exec_status.status)))) {
+ (s->restart == SERVICE_RESTART_ON_ABORT && IN_SET(s->result, SERVICE_FAILURE_SIGNAL, SERVICE_FAILURE_CORE_DUMP)) ||
+ (s->main_exec_status.code == CLD_EXITED && set_contains(s->restart_force_status.code, INT_TO_PTR(s->main_exec_status.status))) ||
+ (IN_SET(s->main_exec_status.code, CLD_KILLED, CLD_DUMPED) && set_contains(s->restart_force_status.signal, INT_TO_PTR(s->main_exec_status.status)))) &&
+ (s->main_exec_status.code != CLD_EXITED || !set_contains(s->restart_prevent_status.code, INT_TO_PTR(s->main_exec_status.status))) &&
+ (!IN_SET(s->main_exec_status.code, CLD_KILLED, CLD_DUMPED) || !set_contains(s->restart_prevent_status.signal, INT_TO_PTR(s->main_exec_status.status)))) {
r = service_arm_timer(s, s->restart_usec);
if (r < 0)
@@ -1421,8 +1420,7 @@ static void service_enter_start_pre(Service *s) {
return;
fail:
- log_warning_unit(UNIT(s)->id,
- "%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r));
service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true);
}
@@ -1434,8 +1432,7 @@ static void service_enter_restart(Service *s) {
if (UNIT(s)->job && UNIT(s)->job->type == JOB_STOP) {
/* Don't restart things if we are going down anyway */
- log_info_unit(UNIT(s)->id,
- "Stop job pending for unit, delaying automatic restart.");
+ log_info_unit(UNIT(s)->id, "Stop job pending for unit, delaying automatic restart.");
r = service_arm_timer(s, s->restart_usec);
if (r < 0)
@@ -1456,8 +1453,7 @@ static void service_enter_restart(Service *s) {
* it will be canceled as part of the service_stop() call that
* is executed as part of JOB_RESTART. */
- log_debug_unit(UNIT(s)->id,
- "%s scheduled restart job.", UNIT(s)->id);
+ log_debug_unit(UNIT(s)->id, "%s scheduled restart job.", UNIT(s)->id);
return;
fail:
diff --git a/src/core/service.h b/src/core/service.h
index b8f0e0c42d..7406d90f59 100644
--- a/src/core/service.h
+++ b/src/core/service.h
@@ -118,7 +118,8 @@ struct Service {
ServiceType type;
ServiceRestart restart;
- ExitStatusSet restart_ignore_status;
+ ExitStatusSet restart_prevent_status;
+ ExitStatusSet restart_force_status;
ExitStatusSet success_status;
/* If set we'll read the main daemon PID from this file */
diff --git a/src/shared/exit-status.c b/src/shared/exit-status.c
index ce1f1bde65..38d71e182d 100644
--- a/src/shared/exit-status.c
+++ b/src/shared/exit-status.c
@@ -208,3 +208,11 @@ bool is_clean_exit_lsb(int code, int status, ExitStatusSet *success_status) {
code == CLD_EXITED &&
(status == EXIT_NOTINSTALLED || status == EXIT_NOTCONFIGURED);
}
+
+void exit_status_set_free(ExitStatusSet *x) {
+ assert(x);
+
+ set_free(x->code);
+ set_free(x->signal);
+ x->code = x->signal = NULL;
+}
diff --git a/src/shared/exit-status.h b/src/shared/exit-status.h
index 57d066f155..93abf7f10e 100644
--- a/src/shared/exit-status.h
+++ b/src/shared/exit-status.h
@@ -95,3 +95,5 @@ const char* exit_status_to_string(ExitStatus status, ExitStatusLevel level) _con
bool is_clean_exit(int code, int status, ExitStatusSet *success_status);
bool is_clean_exit_lsb(int code, int status, ExitStatusSet *success_status);
+
+void exit_status_set_free(ExitStatusSet *x);