platform_system_core/init/init.h

146 lines
4.2 KiB
C

/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _INIT_INIT_H
#define _INIT_INIT_H
#include <cutils/list.h>
#include <sys/stat.h>
void handle_control_message(const char *msg, const char *arg);
struct command
{
/* list of commands in an action */
struct listnode clist;
int (*func)(int nargs, char **args);
int line;
const char *filename;
int nargs;
char *args[1];
};
struct action {
/* node in list of all actions */
struct listnode alist;
/* node in the queue of pending actions */
struct listnode qlist;
/* node in list of actions for a trigger */
struct listnode tlist;
unsigned hash;
const char *name;
struct listnode commands;
struct command *current;
};
struct socketinfo {
struct socketinfo *next;
const char *name;
const char *type;
uid_t uid;
gid_t gid;
int perm;
const char *socketcon;
};
struct svcenvinfo {
struct svcenvinfo *next;
const char *name;
const char *value;
};
#define SVC_DISABLED 0x01 /* do not autostart with class */
#define SVC_ONESHOT 0x02 /* do not restart on exit */
#define SVC_RUNNING 0x04 /* currently active */
#define SVC_RESTARTING 0x08 /* waiting to restart */
#define SVC_CONSOLE 0x10 /* requires console */
#define SVC_CRITICAL 0x20 /* will reboot into recovery if keeps crashing */
#define SVC_RESET 0x40 /* Use when stopping a process, but not disabling
so it can be restarted with its class */
#define SVC_RC_DISABLED 0x80 /* Remember if the disabled flag was set in the rc script */
#define SVC_RESTART 0x100 /* Use to safely restart (stop, wait, start) a service */
#define SVC_DISABLED_START 0x200 /* a start was requested but it was disabled at the time */
#define NR_SVC_SUPP_GIDS 12 /* twelve supplementary groups */
#define COMMAND_RETRY_TIMEOUT 5
struct service {
/* list of all services */
struct listnode slist;
const char *name;
const char *classname;
unsigned flags;
pid_t pid;
time_t time_started; /* time of last start */
time_t time_crashed; /* first crash within inspection window */
int nr_crashed; /* number of times crashed within window */
uid_t uid;
gid_t gid;
gid_t supp_gids[NR_SVC_SUPP_GIDS];
size_t nr_supp_gids;
char *seclabel;
struct socketinfo *sockets;
struct svcenvinfo *envvars;
struct action onrestart; /* Actions to execute on restart. */
/* keycodes for triggering this service via /dev/keychord */
int *keycodes;
int nkeycodes;
int keychord_id;
int ioprio_class;
int ioprio_pri;
int nargs;
/* "MUST BE AT THE END OF THE STRUCT" */
char *args[1];
}; /* ^-------'args' MUST be at the end of this struct! */
void notify_service_state(const char *name, const char *state);
struct service *service_find_by_name(const char *name);
struct service *service_find_by_pid(pid_t pid);
struct service *service_find_by_keychord(int keychord_id);
void service_for_each(void (*func)(struct service *svc));
void service_for_each_class(const char *classname,
void (*func)(struct service *svc));
void service_for_each_flags(unsigned matchflags,
void (*func)(struct service *svc));
void service_stop(struct service *svc);
void service_reset(struct service *svc);
void service_restart(struct service *svc);
void service_start(struct service *svc, const char *dynamic_args);
void property_changed(const char *name, const char *value);
extern struct selabel_handle *sehandle;
extern struct selabel_handle *sehandle_prop;
extern int selinux_reload_policy(void);
#endif /* _INIT_INIT_H */