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/*
* Copyright (c) 2002-2010 Balabit
* Copyright (c) 1998-2010 Balázs Scheidler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "children.h"
typedef struct _ChildEntry
{
pid_t pid;
gpointer callback_data;
GDestroyNotify callback_data_destroy;
void (*exit_callback)(pid_t pid, int status, gpointer user_data);
} ChildEntry;
GHashTable *child_hash;
static void
child_manager_child_entry_free(ChildEntry *ce)
{
if (ce->callback_data_destroy)
ce->callback_data_destroy(ce->callback_data);
g_free(ce);
}
void
child_manager_register(pid_t pid, void (*callback)(pid_t, int, gpointer), gpointer user_data,
GDestroyNotify callback_data_destroy)
{
ChildEntry *ce = g_new0(ChildEntry, 1);
ce->pid = pid;
ce->exit_callback = callback;
ce->callback_data = user_data;
ce->callback_data_destroy = callback_data_destroy;
g_hash_table_insert(child_hash, &ce->pid, ce);
}
void
child_manager_unregister(pid_t pid)
{
if (g_hash_table_lookup(child_hash, &pid))
{
g_hash_table_remove(child_hash, &pid);
}
}
void
child_manager_sigchild(pid_t pid, int status)
{
ChildEntry *ce;
ce = g_hash_table_lookup(child_hash, &pid);
if (ce)
{
ce->exit_callback(pid, status, ce->callback_data);
g_hash_table_remove(child_hash, &pid);
}
}
void
child_manager_init(void)
{
child_hash = g_hash_table_new_full(g_int_hash, g_int_equal, NULL, (GDestroyNotify) child_manager_child_entry_free);
}
void
child_manager_deinit(void)
{
g_hash_table_destroy(child_hash);
}
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