/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ #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 Lesser General Public License as published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ typedef struct Service Service; #include "unit.h" #include "path.h" #include "ratelimit.h" #include "service.h" typedef enum ServiceState { SERVICE_DEAD, SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, SERVICE_RUNNING, SERVICE_EXITED, /* Nothing is running anymore, but RemainAfterExit is true hence 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_FAILED, SERVICE_AUTO_RESTART, _SERVICE_STATE_MAX, _SERVICE_STATE_INVALID = -1 } ServiceState; typedef enum ServiceRestart { SERVICE_RESTART_NO, SERVICE_RESTART_ON_SUCCESS, SERVICE_RESTART_ON_FAILURE, SERVICE_RESTART_ON_ABORT, SERVICE_RESTART_ALWAYS, _SERVICE_RESTART_MAX, _SERVICE_RESTART_INVALID = -1 } ServiceRestart; typedef enum ServiceType { SERVICE_SIMPLE, /* we fork and go on right-away (i.e. modern socket activated daemons) */ SERVICE_FORKING, /* forks by itself (i.e. traditional daemons) */ SERVICE_ONESHOT, /* 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_NOTIFY, /* we fork and wait until a daemon sends us a ready message with sd_notify() */ SERVICE_IDLE, /* much like simple, but delay exec() until all jobs are dispatched. */ _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; typedef enum NotifyAccess { NOTIFY_NONE, NOTIFY_ALL, NOTIFY_MAIN, _NOTIFY_ACCESS_MAX, _NOTIFY_ACCESS_INVALID = -1 } NotifyAccess; typedef enum ServiceResult { SERVICE_SUCCESS, SERVICE_FAILURE_RESOURCES, SERVICE_FAILURE_TIMEOUT, SERVICE_FAILURE_EXIT_CODE, SERVICE_FAILURE_SIGNAL, SERVICE_FAILURE_CORE_DUMP, SERVICE_FAILURE_WATCHDOG, _SERVICE_RESULT_MAX, _SERVICE_RESULT_INVALID = -1 } ServiceResult; typedef enum StartLimitAction { SERVICE_START_LIMIT_NONE, SERVICE_START_LIMIT_REBOOT, SERVICE_START_LIMIT_REBOOT_FORCE, SERVICE_START_LIMIT_REBOOT_IMMEDIATE, _SERVICE_START_LIMIT_MAX, _SERVICE_START_LIMIT_INVALID = -1 } StartLimitAction; struct Service { Unit 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; dual_timestamp watchdog_timestamp; usec_t watchdog_usec; Watch watchdog_watch; ExecCommand* exec_command[_SERVICE_EXEC_COMMAND_MAX]; ExecContext exec_context; ServiceState state, deserialized_state; /* The exit status of the real main process */ ExecStatus main_exec_status; /* The currently executed control process */ ExecCommand *control_command; /* The currently executed main process, which may be NULL if * the main process got started via forking mode and not by * us */ ExecCommand *main_command; /* The ID of the control command currently being executed */ ServiceExecCommand control_command_id; pid_t main_pid, control_pid; int socket_fd; int fsck_passno; bool permissions_start_only; bool root_directory_start_only; bool remain_after_exit; bool guess_main_pid; /* If we shut down, remember why */ ServiceResult result; ServiceResult reload_result; bool main_pid_known:1; bool main_pid_alien:1; bool bus_name_good:1; bool forbid_restart:1; bool got_socket_fd:1; #ifdef HAVE_SYSV_COMPAT bool sysv_has_lsb:1; bool sysv_enabled:1; int sysv_start_priority_from_rcnd; int sysv_start_priority; char *sysv_path; char *sysv_runlevels; usec_t sysv_mtime; #endif char *bus_name; char *status_text; RateLimit start_limit; StartLimitAction start_limit_action; UnitRef accept_socket; Watch timer_watch; PathSpec *pid_file_pathspec; NotifyAccess notify_access; }; extern const UnitVTable service_vtable; struct Socket; int service_set_socket_fd(Service *s, int fd, struct Socket *socket); 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); const char* notify_access_to_string(NotifyAccess i); NotifyAccess notify_access_from_string(const char *s); const char* service_result_to_string(ServiceResult i); ServiceResult service_result_from_string(const char *s); const char* start_limit_action_to_string(StartLimitAction i); StartLimitAction start_limit_action_from_string(const char *s); #endif