fa0c21c94c
This creates the concept of 'event_trigger' vs 'property_trigger' Previously these were merged into one, such that 'on property:a=b && property:b=c' is triggered when properties a=b and b=c as expected, however combinations such as 'on early-boot && boot' would trigger during both early-boot and boot. Similarly, 'on early-boot && property:a=b' would trigger on both early-boot and again when property a equals b. The event trigger distinction ensures that the first example fails to parse and the second example only triggers on early-boot if property a equals b. This coalesces Actions with the same triggers into a single Action object Change-Id: I8f661d96e8a2d40236f252301bfe10979d663ea6
133 lines
4 KiB
C++
133 lines
4 KiB
C++
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _INIT_INIT_H
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#define _INIT_INIT_H
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#include <sys/types.h>
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#include <stdlib.h>
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#include <list>
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#include <map>
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#include <string>
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#include <vector>
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#include <cutils/list.h>
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#include <cutils/iosched_policy.h>
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class Action;
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struct socketinfo {
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struct socketinfo *next;
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const char *name;
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const char *type;
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uid_t uid;
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gid_t gid;
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int perm;
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const char *socketcon;
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};
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struct svcenvinfo {
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struct svcenvinfo *next;
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const char *name;
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const char *value;
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};
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#define SVC_DISABLED 0x001 // do not autostart with class
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#define SVC_ONESHOT 0x002 // do not restart on exit
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#define SVC_RUNNING 0x004 // currently active
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#define SVC_RESTARTING 0x008 // waiting to restart
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#define SVC_CONSOLE 0x010 // requires console
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#define SVC_CRITICAL 0x020 // will reboot into recovery if keeps crashing
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#define SVC_RESET 0x040 // Use when stopping a process, but not disabling so it can be restarted with its class.
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#define SVC_RC_DISABLED 0x080 // Remember if the disabled flag was set in the rc script.
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#define SVC_RESTART 0x100 // Use to safely restart (stop, wait, start) a service.
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#define SVC_DISABLED_START 0x200 // A start was requested but it was disabled at the time.
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#define SVC_EXEC 0x400 // This synthetic service corresponds to an 'exec'.
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#define NR_SVC_SUPP_GIDS 12 /* twelve supplementary groups */
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#define COMMAND_RETRY_TIMEOUT 5
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struct service {
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void NotifyStateChange(const char* new_state);
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/* list of all services */
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struct listnode slist;
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char *name;
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const char *classname;
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unsigned flags;
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pid_t pid;
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time_t time_started; /* time of last start */
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time_t time_crashed; /* first crash within inspection window */
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int nr_crashed; /* number of times crashed within window */
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uid_t uid;
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gid_t gid;
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gid_t supp_gids[NR_SVC_SUPP_GIDS];
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size_t nr_supp_gids;
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const char* seclabel;
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struct socketinfo *sockets;
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struct svcenvinfo *envvars;
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Action* onrestart; /* Commands to execute on restart. */
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std::vector<std::string>* writepid_files_;
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/* keycodes for triggering this service via /dev/keychord */
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int *keycodes;
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int nkeycodes;
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int keychord_id;
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IoSchedClass ioprio_class;
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int ioprio_pri;
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int nargs;
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/* "MUST BE AT THE END OF THE STRUCT" */
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char *args[1];
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}; /* ^-------'args' MUST be at the end of this struct! */
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extern bool waiting_for_exec;
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extern struct selabel_handle *sehandle;
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extern struct selabel_handle *sehandle_prop;
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void handle_control_message(const char *msg, const char *arg);
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struct service *service_find_by_name(const char *name);
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struct service *service_find_by_pid(pid_t pid);
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struct service *service_find_by_keychord(int keychord_id);
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void service_for_each(void (*func)(struct service *svc));
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void service_for_each_class(const char *classname,
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void (*func)(struct service *svc));
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void service_for_each_flags(unsigned matchflags,
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void (*func)(struct service *svc));
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void service_stop(struct service *svc);
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void service_reset(struct service *svc);
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void service_restart(struct service *svc);
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void service_start(struct service *svc, const char *dynamic_args);
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void property_changed(const char *name, const char *value);
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int selinux_reload_policy(void);
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void zap_stdio(void);
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void register_epoll_handler(int fd, void (*fn)());
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#endif /* _INIT_INIT_H */
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