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Commit 6ba6672c authored by Eric Biggers's avatar Eric Biggers Committed by Automerger Merge Worker
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Merge "init: make reboot_on_failure not apply to manually stopped services"... 

Merge "init: make reboot_on_failure not apply to manually stopped services" am: 890fd0c2 am: 7a07e8c1 am: 506762b3

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1684056

Change-Id: Ia6a0f3b488a278c062b5cb6a01bc95300bbf788a
parents d75ae7e0 506762b3

init/README.md

+2 −0
Original line number Diff line number Diff line
@@ -277,6 +277,8 @@ runs the service. 
  CLD_EXITED or an status other than '0', reboot the system with the target specified in

  _target_. _target_ takes the same format as the parameter to sys.powerctl. This is particularly

  intended to be used with the `exec_start` builtin for any must-have checks during boot.

  A service being stopped by init (e.g. using the `stop` or `class_reset` commands) is not

  considered a failure for the purpose of this setting.



`restart_period <seconds>`

> If a non-oneshot service exits, it will be restarted at its start time plus

init/service.cpp

+7 −3
Original line number Diff line number Diff line
@@ -194,6 +194,8 @@ void Service::KillProcessGroup(int signal, bool report_oneshot) { 
                  << ") process group...";

        int max_processes = 0;

        int r;



        flags_ |= SVC_STOPPING;

        if (signal == SIGTERM) {

            r = killProcessGroupOnce(proc_attr_.uid, pid_, signal, &max_processes);

        } else {
@@ -277,7 +279,8 @@ void Service::Reap(const siginfo_t& siginfo) { 
        f(siginfo);

    }



    if ((siginfo.si_code != CLD_EXITED || siginfo.si_status != 0) && on_failure_reboot_target_) {

    if ((siginfo.si_code != CLD_EXITED || siginfo.si_status != 0) && on_failure_reboot_target_ &&

        !(flags_ & SVC_STOPPING)) {

        LOG(ERROR) << "Service with 'reboot_on_failure' option failed, shutting down system.";

        trigger_shutdown(*on_failure_reboot_target_);

    }
@@ -287,7 +290,7 @@ void Service::Reap(const siginfo_t& siginfo) { 
    if (flags_ & SVC_TEMPORARY) return;



    pid_ = 0;

    flags_ &= (~SVC_RUNNING);

    flags_ &= ~(SVC_RUNNING | SVC_STOPPING);

    start_order_ = 0;



    // Oneshot processes go into the disabled state on exit,
@@ -411,7 +414,8 @@ Result<void> Service::Start() { 
    bool disabled = (flags_ & (SVC_DISABLED | SVC_RESET));

    // Starting a service removes it from the disabled or reset state and

    // immediately takes it out of the restarting state if it was in there.

    flags_ &= (~(SVC_DISABLED|SVC_RESTARTING|SVC_RESET|SVC_RESTART|SVC_DISABLED_START));

    flags_ &= (~(SVC_DISABLED | SVC_RESTARTING | SVC_RESET | SVC_RESTART | SVC_DISABLED_START |

                 SVC_STOPPING));



    // Running processes require no additional work --- if they're in the

    // process of exiting, we've ensured that they will immediately restart

init/service.h

+1 −0
Original line number Diff line number Diff line
@@ -54,6 +54,7 @@ 
                                     // should not be killed during shutdown

#define SVC_TEMPORARY 0x1000  // This service was started by 'exec' and should be removed from the

                              // service list once it is reaped.

#define SVC_STOPPING 0x2000  // service is being stopped by init



#define NR_SVC_SUPP_GIDS 12    // twelve supplementary groups