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git-svn-id: http://svn.irssi.org/repos/irssi/trunk@171 dbcabf3a-b0e7-0310-adc4-f8d773084564
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Timo Sirainen 2000-04-26 08:03:38 +00:00 • committed by cras
commit c95034c6de
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74
src/core/pidwait.c Normal file
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/*
pidwait.c :
Copyright (C) 1999-2000 Timo Sirainen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "module.h"
#include "signals.h"
#include "modules.h"
#include <sys/wait.h>
static GSList *pids;
static unsigned int childcheck_tag;
static int signal_pidwait;
/* add a pid to wait list */
void pidwait_add(int pid)
{
pids = g_slist_append(pids, GINT_TO_POINTER(pid));
}
/* remove pid from wait list */
void pidwait_remove(int pid)
{
pids = g_slist_remove(pids, GINT_TO_POINTER(pid));
}
static int child_check(void)
{
GSList *tmp, *next;
int status;
/* wait for each pid.. */
for (tmp = pids; tmp != NULL; tmp = next) {
next = tmp->next;
if (waitpid(GPOINTER_TO_INT(tmp->data), &status, WNOHANG) > 0) {
/* process terminated, remove from list */
pids = g_slist_remove(pids, tmp->data);
signal_emit_id(signal_pidwait, 1, GPOINTER_TO_INT(tmp->data));
}
}
return 1;
}
void pidwait_init(void)
{
pids = NULL;
childcheck_tag = g_timeout_add(1000, (GSourceFunc) child_check, NULL);
signal_pidwait = module_get_uniq_id_str("signals", "pidwait");
}
void pidwait_deinit(void)
{
g_slist_free(pids);
g_source_remove(childcheck_tag);
}