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d3f2e69cd4
forgot to add plugin_exec.c ... git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@406 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
128 lines
2.5 KiB
C
128 lines
2.5 KiB
C
/* $Id: plugin_exec.c,v 1.1 2004/03/20 11:49:40 reinelt Exp $
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*
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* plugin for external processes
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*
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* Copyright 2004 Michael Reinelt <reinelt@eunet.at>
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* Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
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*
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* based on the old 'exec' client which is
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* Copyright 2001 Leopold Tötsch <lt@toetsch.at>
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*
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*
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* This file is part of LCD4Linux.
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*
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* LCD4Linux is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* LCD4Linux is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*
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* $Log: plugin_exec.c,v $
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* Revision 1.1 2004/03/20 11:49:40 reinelt
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* forgot to add plugin_exec.c ...
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*
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*/
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/*
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* exported functions:
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*
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* int plugin_init_exec (void)
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* adds functions to start external pocesses
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*
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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// #include <string.h>
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// #include <ctype.h>
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// #include <errno.h>
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#include <sys/ipc.h>
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#include <sys/sem.h>
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#include <sys/shm.h>
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#include "debug.h"
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#include "plugin.h"
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#include "hash.h"
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#include "cfg.h"
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#include "thread.h"
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static HASH EXEC = { 0, };
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static int fatal = 0;
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static int do_exec (void)
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{
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int age;
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// if a fatal error occured, do nothing
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if (fatal != 0) return -1;
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// reread every 100 msec only
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age=hash_age(&EXEC, NULL, NULL);
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if (age>0 && age<=100) return 0;
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return 0;
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}
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static void my_junk (char *name)
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{
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int i;
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debug ("junk thread starting!");
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for (i=0; i<10; i++) {
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debug ("junk look %d", i);
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sleep (1);
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}
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debug ("junk thread done!");
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}
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static void my_exec (RESULT *result, int argc, RESULT *argv[])
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{
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char *key, *val;
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if (do_exec()<0) {
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SetResult(&result, R_STRING, "");
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return;
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}
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// key=R2S(arg1);
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val=hash_get(&EXEC, key);
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if (val==NULL) val="";
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SetResult(&result, R_STRING, val);
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}
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int plugin_init_exec (void)
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{
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int junk;
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AddFunction ("exec", -1, my_exec);
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// junk=thread_create ("Junk", my_junk);
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// debug ("junk=%d", junk);
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return 0;
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}
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void plugin_exit_exec(void)
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{
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hash_destroy(&EXEC);
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}
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