8202136bb4
userland code. Using apmd.conf, the apmd(8) configuration file, you can select the APM events to be handled from userland and specify the commands for a given event, allowing APM behaviour to be configured flexibly. Have Fun! Submitted by: iwasaki, KOIE Hidetaka <hide@koie.org> Reviewed by: -hackers, -mobile and bsd-nomads ML folks. Contributed by: Warner Losh <imp@FreeBSD.org>, Hiroshi Yamashita <bluemoon@msj.biglobe.ne.jp>, Yoshihiko SARUMARU <mistral@imasy.or.jp>, Norihiro Kumagai <kuma@nk.rim.or.jp>, NAKAGAWA Yoshihisa <nakagawa@jp.FreeBSD.org>, and Nick Hilliard <nick@foobar.org>.
166 lines
3.5 KiB
Plaintext
166 lines
3.5 KiB
Plaintext
%{
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/*-
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* APM (Advanced Power Management) Event Dispatcher
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*
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* Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
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* Copyright (c) 1999 KOIE Hidetaka <koie@suri.co.jp>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: apmdparse.y,v 1.1.3.5 1999/06/08 09:01:47 koie Exp $
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*/
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#include <stdio.h>
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#include <bitstring.h>
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#include "apmd.h"
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#ifdef DEBUG
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#define YYDEBUG 1
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#endif
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extern int first_time;
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%}
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%union {
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char *str;
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bitstr_t bit_decl(evlist, EVENT_MAX);
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int ev;
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struct event_cmd * evcmd;
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}
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%token BEGINBLOCK ENDBLOCK
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%token COMMA SEMICOLON
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%token APMEVENT
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%token EXECCMD REJECTCMD
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%token <ev> EVENT
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%token <str> STRING UNKNOWN
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%type <str> string
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%type <str> unknown
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%type <evlist> event_list
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%type <evcmd> cmd_list
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%type <evcmd> cmd
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%type <evcmd> exec_cmd reject_cmd
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%%
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config_file
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: { first_time = 1; } config_list
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;
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config_list
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: config
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| config_list config
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;
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config
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: apm_event_statement
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;
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apm_event_statement
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: APMEVENT event_list BEGINBLOCK cmd_list ENDBLOCK
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{
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if (register_apm_event_handlers($2, $4) < 0)
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abort(); /* XXX */
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free_event_cmd_list($4);
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}
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;
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event_list
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: EVENT
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{
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bit_nclear($$, 0, EVENT_MAX - 1);
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bit_set($$, $1);
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}
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| event_list COMMA EVENT
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{
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memcpy(&($$), &($1), bitstr_size(EVENT_MAX));
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bit_set($$, $3);
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}
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;
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cmd_list
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: /* empty */
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{
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$$ = NULL;
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}
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| cmd_list cmd
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{
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struct event_cmd * p = $1;
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if (p) {
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while (p->next != NULL)
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p = p->next;
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p->next = $2;
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$$ = $1;
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} else {
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$$ = $2;
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}
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}
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;
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cmd
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: exec_cmd SEMICOLON { $$ = $1; }
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| reject_cmd SEMICOLON { $$ = $1; }
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;
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exec_cmd
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: EXECCMD string
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{
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size_t len = sizeof (struct event_cmd_exec);
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struct event_cmd_exec *cmd = malloc(len);
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cmd->evcmd.next = NULL;
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cmd->evcmd.len = len;
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cmd->evcmd.name = "exec";
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cmd->evcmd.op = &event_cmd_exec_ops;
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cmd->line = $2;
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$$ = (struct event_cmd *) cmd;
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}
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;
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reject_cmd
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: REJECTCMD
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{
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size_t len = sizeof (struct event_cmd_reject);
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struct event_cmd_reject *cmd = malloc(len);
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cmd->evcmd.next = NULL;
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cmd->evcmd.len = len;
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cmd->evcmd.name = "reject";
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cmd->evcmd.op = &event_cmd_reject_ops;
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$$ = (struct event_cmd *) cmd;
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}
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;
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string
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: STRING { $$ = $1; }
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;
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unknown
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: UNKNOWN
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{
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$$ = $1;
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}
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;
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%%
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