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core: when we cannot add PID to a scope cgroup, log about it

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Also, place the scope unit in failed state.
This commit is contained in:
Lennart Poettering 2015-04-28 12:20:29 +02:00
parent 373a99e489
commit dd305ec9c6
2 changed files with 7 additions and 2 deletions
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3
src/core/execute.c
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@ -1809,6 +1809,7 @@ static int exec_child(
log_close();
}
}
execve(command->path, final_argv, final_env);
*exit_status = EXIT_EXEC;
return -errno;
@ -1903,7 +1904,7 @@ int exec_spawn(ExecCommand *command,
* sure that when we kill the cgroup the process will be
* killed too). */
if (params->cgroup_path)
cg_attach(SYSTEMD_CGROUP_CONTROLLER, params->cgroup_path, pid);
(void) cg_attach(SYSTEMD_CGROUP_CONTROLLER, params->cgroup_path, pid);
exec_status_start(&command->exec_status, pid);

6
src/core/scope.c
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@ -277,6 +277,7 @@ static int scope_start(Unit *u) {
if (s->state == SCOPE_FAILED)
return -EPERM;
/* We can't fulfill this right now, please try again later */
if (s->state == SCOPE_STOP_SIGTERM ||
s->state == SCOPE_STOP_SIGKILL)
return -EAGAIN;
@ -290,8 +291,11 @@ static int scope_start(Unit *u) {
(void) unit_reset_cpu_usage(u);
r = unit_attach_pids_to_cgroup(u);
if (r < 0)
if (r < 0) {
log_unit_warning_errno(UNIT(s)->id, r, "%s: Failed to add PIDs to scope's control group: %m", UNIT(s)->id);
scope_enter_dead(s, SERVICE_FAILURE_RESOURCES);
return r;
}
s->result = SCOPE_SUCCESS;