1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 32 #define APMD_CONFIGFILE "/etc/apmd.conf" 33 #define APM_CTL_DEVICEFILE "/dev/apmctl" 34 #define APM_NORM_DEVICEFILE "/dev/apm" 35 #define APMD_PIDFILE "/var/run/apmd.pid" 36 #define NICE_INCR -20 37 38 enum { 39 EVENT_NOEVENT, 40 EVENT_STANDBYREQ, 41 EVENT_SUSPENDREQ, 42 EVENT_NORMRESUME, 43 EVENT_CRITRESUME, 44 EVENT_BATTERYLOW, 45 EVENT_POWERSTATECHANGE, 46 EVENT_UPDATETIME, 47 EVENT_CRITSUSPEND, 48 EVENT_USERSTANDBYREQ, 49 EVENT_USERSUSPENDREQ, 50 EVENT_STANDBYRESUME, 51 EVENT_CAPABILITIESCHANGE, 52 EVENT_MAX 53 }; 54 55 struct event_cmd_op { 56 int (* act)(void *this); 57 void (* dump)(void *this, FILE * fp); 58 struct event_cmd * (* clone)(void *this); 59 void (* free)(void *this); 60 }; 61 struct event_cmd { 62 struct event_cmd * next; 63 size_t len; 64 char * name; 65 struct event_cmd_op * op; 66 }; 67 struct event_cmd_exec { 68 struct event_cmd evcmd; 69 char * line; /* Command line */ 70 }; 71 struct event_cmd_reject { 72 struct event_cmd evcmd; 73 }; 74 75 struct event_config { 76 const char *name; 77 struct event_cmd * cmdlist; 78 int rejectable; 79 }; 80 81 struct battery_watch_event { 82 struct battery_watch_event *next; 83 int level; 84 enum { 85 BATTERY_CHARGING, 86 BATTERY_DISCHARGING 87 } direction; 88 enum { 89 BATTERY_MINUTES, 90 BATTERY_PERCENT 91 } type; 92 int done; 93 struct event_cmd *cmdlist; 94 }; 95 96 97 extern struct event_cmd_op event_cmd_exec_ops; 98 extern struct event_cmd_op event_cmd_reject_ops; 99 extern struct event_config events[EVENT_MAX]; 100 extern struct battery_watch_event *battery_watch_list; 101 102 extern int register_battery_handlers( 103 int level, int direction, 104 struct event_cmd *cmdlist); 105 extern int register_apm_event_handlers( 106 bitstr_t bit_decl(evlist, EVENT_MAX), 107 struct event_cmd *cmdlist); 108 extern void free_event_cmd_list(struct event_cmd *p); 109 110 extern int yyparse(void); 111 112 void yyerror(const char *); 113 int yylex(void); 114 115 struct event_cmd *event_cmd_default_clone(void *); 116 int event_cmd_exec_act(void *); 117 void event_cmd_exec_dump(void *, FILE *); 118 struct event_cmd *event_cmd_exec_clone(void *); 119 void event_cmd_exec_free(void *); 120 int event_cmd_reject_act(void *); 121 struct event_cmd *clone_event_cmd_list(struct event_cmd *); 122 int exec_run_cmd(struct event_cmd *); 123 int exec_event_cmd(struct event_config *); 124 void read_config(void); 125 void dump_config(void); 126 void destroy_config(void); 127 void restart(void); 128 void enque_signal(int); 129 void wait_child(void); 130 int proc_signal(int); 131 void proc_apmevent(int); 132 void check_battery(void); 133 void event_loop(void); 134