init.h revision ed8a7d84428ec945c48b6b53dc5a3a18fabaf683
1/* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef _INIT_INIT_H 18#define _INIT_INIT_H 19 20#include "list.h" 21 22void handle_control_message(const char *msg, const char *arg); 23 24struct command 25{ 26 /* list of commands in an action */ 27 struct listnode clist; 28 29 int (*func)(int nargs, char **args); 30 int nargs; 31 char *args[1]; 32}; 33 34struct action { 35 /* node in list of all actions */ 36 struct listnode alist; 37 /* node in the queue of pending actions */ 38 struct listnode qlist; 39 /* node in list of actions for a trigger */ 40 struct listnode tlist; 41 42 unsigned hash; 43 const char *name; 44 45 struct listnode commands; 46 struct command *current; 47}; 48 49struct socketinfo { 50 struct socketinfo *next; 51 const char *name; 52 const char *type; 53 uid_t uid; 54 gid_t gid; 55 int perm; 56}; 57 58struct svcenvinfo { 59 struct svcenvinfo *next; 60 const char *name; 61 const char *value; 62}; 63 64#define SVC_DISABLED 0x01 /* do not autostart with class */ 65#define SVC_ONESHOT 0x02 /* do not restart on exit */ 66#define SVC_RUNNING 0x04 /* currently active */ 67#define SVC_RESTARTING 0x08 /* waiting to restart */ 68#define SVC_CONSOLE 0x10 /* requires console */ 69#define SVC_CRITICAL 0x20 /* will reboot into recovery if keeps crashing */ 70 71#define NR_SVC_SUPP_GIDS 12 /* twelve supplementary groups */ 72 73#define SVC_MAXARGS 64 74 75#define COMMAND_RETRY_TIMEOUT 5 76 77struct service { 78 /* list of all services */ 79 struct listnode slist; 80 81 const char *name; 82 const char *classname; 83 84 unsigned flags; 85 pid_t pid; 86 time_t time_started; /* time of last start */ 87 time_t time_crashed; /* first crash within inspection window */ 88 int nr_crashed; /* number of times crashed within window */ 89 90 uid_t uid; 91 gid_t gid; 92 gid_t supp_gids[NR_SVC_SUPP_GIDS]; 93 size_t nr_supp_gids; 94 95 struct socketinfo *sockets; 96 struct svcenvinfo *envvars; 97 98 struct action onrestart; /* Actions to execute on restart. */ 99 100 /* keycodes for triggering this service via /dev/keychord */ 101 int *keycodes; 102 int nkeycodes; 103 int keychord_id; 104 105 int ioprio_class; 106 int ioprio_pri; 107 108 int nargs; 109 /* "MUST BE AT THE END OF THE STRUCT" */ 110 char *args[1]; 111}; /* ^-------'args' MUST be at the end of this struct! */ 112 113int parse_config_file(const char *fn); 114 115void notify_service_state(const char *name, const char *state); 116 117struct service *service_find_by_name(const char *name); 118struct service *service_find_by_pid(pid_t pid); 119struct service *service_find_by_keychord(int keychord_id); 120void service_for_each(void (*func)(struct service *svc)); 121void service_for_each_class(const char *classname, 122 void (*func)(struct service *svc)); 123void service_for_each_flags(unsigned matchflags, 124 void (*func)(struct service *svc)); 125void service_stop(struct service *svc); 126void service_start(struct service *svc, const char *dynamic_args); 127void property_changed(const char *name, const char *value); 128 129#define INIT_IMAGE_FILE "/initlogo.rle" 130 131int load_565rle_image( char *file_name ); 132 133#endif /* _INIT_INIT_H */ 134