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git-svn-id: file:///var/www/svn.irssi.org/SVN/irssi/trunk@4975 dbcabf3a-b0e7-0310-adc4-f8d773084564
79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/*
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pidwait.c :
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Copyright (C) 1999-2000 Timo Sirainen
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This program 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 of the License, or
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(at your option) any later version.
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This program 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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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "module.h"
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#include "signals.h"
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#include "modules.h"
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static GHashTable *child_pids;
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static GSList *pids;
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static int signal_pidwait;
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static void sig_child(GPid pid, gint status, gpointer data)
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{
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signal_emit_id(signal_pidwait, 2, GINT_TO_POINTER(pid),
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GINT_TO_POINTER(status));
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g_hash_table_remove(child_pids, GINT_TO_POINTER(pid));
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pids = g_slist_remove(pids, GINT_TO_POINTER(pid));
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}
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/* add a pid to wait list */
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void pidwait_add(int pid)
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{
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if (g_hash_table_lookup(child_pids, GINT_TO_POINTER(pid)) == NULL) {
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int id = g_child_watch_add_full(10, pid, sig_child, NULL, NULL);
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g_hash_table_insert(child_pids, GINT_TO_POINTER(pid), GINT_TO_POINTER(id));
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pids = g_slist_append(pids, GINT_TO_POINTER(pid));
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}
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}
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/* remove pid from wait list */
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void pidwait_remove(int pid)
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{
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gpointer id = g_hash_table_lookup(child_pids, GINT_TO_POINTER(pid));
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if (id != NULL) {
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g_source_remove(GPOINTER_TO_INT(id));
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g_hash_table_remove(child_pids, GINT_TO_POINTER(pid));
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pids = g_slist_remove(pids, GINT_TO_POINTER(pid));
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}
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}
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/* return list of pids that are being waited.
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don't free the return value. */
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GSList *pidwait_get_pids(void)
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{
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return pids;
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}
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void pidwait_init(void)
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{
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child_pids = g_hash_table_new(g_direct_hash, g_direct_equal);
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pids = NULL;
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signal_pidwait = signal_get_uniq_id("pidwait");
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}
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void pidwait_deinit(void)
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{
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g_hash_table_destroy(child_pids);
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g_slist_free(pids);
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}
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