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Diffstat (limited to 'src/service.h')
-rw-r--r-- | src/service.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/src/service.h b/src/service.h new file mode 100644 index 0000000000..40bd57e256 --- /dev/null +++ b/src/service.h @@ -0,0 +1,147 @@ +/*-*- Mode: C; c-basic-offset: 8 -*-*/ + +#ifndef fooservicehfoo +#define fooservicehfoo + +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +typedef struct Service Service; + +#include "unit.h" +#include "ratelimit.h" + +typedef enum ServiceState { + SERVICE_DEAD, + SERVICE_START_PRE, + SERVICE_START, + SERVICE_START_POST, + SERVICE_RUNNING, + SERVICE_EXITED, /* Nothing is running anymore, but ValidNoProcess is true, ehnce this is OK */ + SERVICE_RELOAD, + SERVICE_STOP, /* No STOP_PRE state, instead just register multiple STOP executables */ + SERVICE_STOP_SIGTERM, + SERVICE_STOP_SIGKILL, + SERVICE_STOP_POST, + SERVICE_FINAL_SIGTERM, /* In case the STOP_POST executable hangs, we shoot that down, too */ + SERVICE_FINAL_SIGKILL, + SERVICE_MAINTAINANCE, + SERVICE_AUTO_RESTART, + _SERVICE_STATE_MAX, + _SERVICE_STATE_INVALID = -1 +} ServiceState; + +typedef enum ServiceRestart { + SERVICE_ONCE, + SERVICE_RESTART_ON_SUCCESS, + SERVICE_RESTART_ALWAYS, + _SERVICE_RESTART_MAX, + _SERVICE_RESTART_INVALID = -1 +} ServiceRestart; + +typedef enum ServiceType { + SERVICE_FORKING, /* forks by itself (i.e. traditional daemons) */ + SERVICE_SIMPLE, /* we fork and go on right-away (i.e. modern socket activated daemons) */ + SERVICE_FINISH, /* we fork and wait until the program finishes (i.e. programs like fsck which run and need to finish before we continue) */ + SERVICE_DBUS, /* we fork and wait until a specific D-Bus name appears on the bus */ + _SERVICE_TYPE_MAX, + _SERVICE_TYPE_INVALID = -1 +} ServiceType; + +typedef enum ServiceExecCommand { + SERVICE_EXEC_START_PRE, + SERVICE_EXEC_START, + SERVICE_EXEC_START_POST, + SERVICE_EXEC_RELOAD, + SERVICE_EXEC_STOP, + SERVICE_EXEC_STOP_POST, + _SERVICE_EXEC_COMMAND_MAX, + _SERVICE_EXEC_COMMAND_INVALID = -1 +} ServiceExecCommand; + +struct Service { + Meta meta; + + ServiceType type; + ServiceRestart restart; + + /* If set we'll read the main daemon PID from this file */ + char *pid_file; + + usec_t restart_usec; + usec_t timeout_usec; + + ExecCommand* exec_command[_SERVICE_EXEC_COMMAND_MAX]; + ExecContext exec_context; + + bool permissions_start_only; + bool root_directory_start_only; + bool valid_no_process; + + ServiceState state, deserialized_state; + + KillMode kill_mode; + + ExecStatus main_exec_status; + + ExecCommand *control_command; + ServiceExecCommand control_command_id; + pid_t main_pid, control_pid; + bool main_pid_known:1; + + /* If we shut down, remember why */ + bool failure:1; + + bool bus_name_good:1; + + bool allow_restart:1; + + bool got_socket_fd:1; + + bool sysv_has_lsb:1; + char *sysv_path; + int sysv_start_priority; + char *sysv_runlevels; + + char *bus_name; + + RateLimit ratelimit; + + int socket_fd; + + Watch timer_watch; +}; + +extern const UnitVTable service_vtable; + +int service_set_socket_fd(Service *s, int fd); + +const char* service_state_to_string(ServiceState i); +ServiceState service_state_from_string(const char *s); + +const char* service_restart_to_string(ServiceRestart i); +ServiceRestart service_restart_from_string(const char *s); + +const char* service_type_to_string(ServiceType i); +ServiceType service_type_from_string(const char *s); + +const char* service_exec_command_to_string(ServiceExecCommand i); +ServiceExecCommand service_exec_command_from_string(const char *s); + +#endif |