src/core/kill.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 typedef struct KillContext KillContext;
   5
   6 #include <stdbool.h>
   7 #include <stdio.h>
   8
   9 #include "macro.h"
  10
  11 typedef enum KillMode {
  12         /* The kill mode is a property of a unit. */
  13         KILL_CONTROL_GROUP = 0,
  14         KILL_PROCESS,
  15         KILL_MIXED,
  16         KILL_NONE,
  17         _KILL_MODE_MAX,
  18         _KILL_MODE_INVALID = -EINVAL,
  19 } KillMode;
  20
  21 struct KillContext {
  22         KillMode kill_mode;
  23         int kill_signal;
  24         int restart_kill_signal;
  25         int final_kill_signal;
  26         int watchdog_signal;
  27         bool send_sigkill;
  28         bool send_sighup;
  29 };
  30
  31 typedef enum KillWho {
  32         /* Kill who is a property of an operation */
  33         KILL_MAIN,
  34         KILL_CONTROL,
  35         KILL_ALL,
  36         KILL_MAIN_FAIL,
  37         KILL_CONTROL_FAIL,
  38         KILL_ALL_FAIL,
  39         _KILL_WHO_MAX,
  40         _KILL_WHO_INVALID = -EINVAL,
  41 } KillWho;
  42
  43 void kill_context_init(KillContext *c);
  44 void kill_context_dump(KillContext *c, FILE *f, const char *prefix);
  45
  46 const char *kill_mode_to_string(KillMode k) _const_;
  47 KillMode kill_mode_from_string(const char *s) _pure_;
  48
  49 const char *kill_who_to_string(KillWho k) _const_;
  50 KillWho kill_who_from_string(const char *s) _pure_;
  51
  52 static inline int restart_kill_signal(const KillContext *c) {
  53         if (c->restart_kill_signal != 0)
  54                 return c->restart_kill_signal;
  55         return c->kill_signal;
  56 }