1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * APM (Advanced Power Management) Event Dispatcher 5 * 6 * Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org> 7 * Copyright (c) 1999 KOIE Hidetaka <koie@suri.co.jp> 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $FreeBSD$ 32 */ 33 34 #define APMD_CONFIGFILE "/etc/apmd.conf" 35 #define APM_CTL_DEVICEFILE "/dev/apmctl" 36 #define APM_NORM_DEVICEFILE "/dev/apm" 37 #define APMD_PIDFILE "/var/run/apmd.pid" 38 #define NICE_INCR -20 39 40 enum { 41 EVENT_NOEVENT, 42 EVENT_STANDBYREQ, 43 EVENT_SUSPENDREQ, 44 EVENT_NORMRESUME, 45 EVENT_CRITRESUME, 46 EVENT_BATTERYLOW, 47 EVENT_POWERSTATECHANGE, 48 EVENT_UPDATETIME, 49 EVENT_CRITSUSPEND, 50 EVENT_USERSTANDBYREQ, 51 EVENT_USERSUSPENDREQ, 52 EVENT_STANDBYRESUME, 53 EVENT_CAPABILITIESCHANGE, 54 EVENT_MAX 55 }; 56 57 struct event_cmd_op { 58 int (* act)(void *this); 59 void (* dump)(void *this, FILE * fp); 60 struct event_cmd * (* clone)(void *this); 61 void (* free)(void *this); 62 }; 63 struct event_cmd { 64 struct event_cmd * next; 65 size_t len; 66 char * name; 67 struct event_cmd_op * op; 68 }; 69 struct event_cmd_exec { 70 struct event_cmd evcmd; 71 char * line; /* Command line */ 72 }; 73 struct event_cmd_reject { 74 struct event_cmd evcmd; 75 }; 76 77 struct event_config { 78 const char *name; 79 struct event_cmd * cmdlist; 80 int rejectable; 81 }; 82 83 struct battery_watch_event { 84 struct battery_watch_event *next; 85 int level; 86 enum { 87 BATTERY_CHARGING, 88 BATTERY_DISCHARGING 89 } direction; 90 enum { 91 BATTERY_MINUTES, 92 BATTERY_PERCENT 93 } type; 94 int done; 95 struct event_cmd *cmdlist; 96 }; 97 98 99 extern struct event_cmd_op event_cmd_exec_ops; 100 extern struct event_cmd_op event_cmd_reject_ops; 101 extern struct event_config events[EVENT_MAX]; 102 extern struct battery_watch_event *battery_watch_list; 103 104 extern int register_battery_handlers( 105 int level, int direction, 106 struct event_cmd *cmdlist); 107 extern int register_apm_event_handlers( 108 bitstr_t bit_decl(evlist, EVENT_MAX), 109 struct event_cmd *cmdlist); 110 extern void free_event_cmd_list(struct event_cmd *p); 111 112 extern int yyparse(void); 113 114 void yyerror(const char *); 115 int yylex(void); 116 117 struct event_cmd *event_cmd_default_clone(void *); 118 int event_cmd_exec_act(void *); 119 void event_cmd_exec_dump(void *, FILE *); 120 struct event_cmd *event_cmd_exec_clone(void *); 121 void event_cmd_exec_free(void *); 122 int event_cmd_reject_act(void *); 123 struct event_cmd *clone_event_cmd_list(struct event_cmd *); 124 int exec_run_cmd(struct event_cmd *); 125 int exec_event_cmd(struct event_config *); 126 void read_config(void); 127 void dump_config(void); 128 void destroy_config(void); 129 void restart(void); 130 void enque_signal(int); 131 void wait_child(void); 132 int proc_signal(int); 133 void proc_apmevent(int); 134 void check_battery(void); 135 void event_loop(void); 136