service.h

   1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
   2
   3 #ifndef fooservicehfoo
   4 #define fooservicehfoo
   5
   6 typedef struct Service Service;
   7
   8 #include "unit.h"
   9
  10 typedef enum ServiceState {
  11         SERVICE_DEAD,
  12         SERVICE_START_PRE,
  13         SERVICE_START,
  14         SERVICE_START_POST,
  15         SERVICE_RUNNING,
  16         SERVICE_RELOAD,
  17         SERVICE_STOP,              /* No STOP_PRE state, instead just register multiple STOP executables */
  18         SERVICE_STOP_SIGTERM,
  19         SERVICE_STOP_SIGKILL,
  20         SERVICE_STOP_POST,
  21         SERVICE_FINAL_SIGTERM,     /* In case the STOP_POST executable hangs, we shoot that down, too */
  22         SERVICE_FINAL_SIGKILL,
  23         SERVICE_MAINTAINANCE,
  24         SERVICE_AUTO_RESTART,
  25         _SERVICE_STATE_MAX,
  26 } ServiceState;
  27
  28 typedef enum ServiceRestart {
  29         SERVICE_ONCE,
  30         SERVICE_RESTART_ON_SUCCESS,
  31         SERVICE_RESTART_ALWAYS
  32 } ServiceRestart;
  33
  34 typedef enum ServiceType {
  35         SERVICE_FORKING,
  36         SERVICE_SIMPLE
  37 } ServiceType;
  38
  39 typedef enum ServiceExecCommand {
  40         SERVICE_EXEC_START_PRE,
  41         SERVICE_EXEC_START,
  42         SERVICE_EXEC_START_POST,
  43         SERVICE_EXEC_RELOAD,
  44         SERVICE_EXEC_STOP,
  45         SERVICE_EXEC_STOP_POST,
  46         _SERVICE_EXEC_MAX
  47 } ServiceExecCommand;
  48
  49 struct Service {
  50         Meta meta;
  51
  52         ServiceType type;
  53         ServiceRestart restart;
  54
  55         /* If set we'll read the main daemon PID from this file */
  56         char *pid_file;
  57
  58         usec_t restart_usec;
  59         usec_t timeout_usec;
  60
  61         ExecCommand* exec_command[_SERVICE_EXEC_MAX];
  62         ExecContext exec_context;
  63
  64         ServiceState state;
  65
  66         ExecStatus main_exec_status;
  67
  68         ExecCommand *control_command;
  69         pid_t main_pid, control_pid;
  70         bool main_pid_known:1;
  71
  72         bool failure:1; /* if we shut down, remember why */
  73         Watch timer_watch;
  74 };
  75
  76 const UnitVTable service_vtable;
  77
  78 #endif