src/kill2.c

/*
 * Copyright (c) 2007 Apple Inc. All rights reserved.
 *
 * @APPLE_APACHE_LICENSE_HEADER_START@
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @APPLE_APACHE_LICENSE_HEADER_END@
 */

#include <sys/syscall.h>
#include <unistd.h>
#include <signal.h>

#include "kill2.h"

int
kill2(pid_t pid, int sig)
{
	/*
	 * POSIX defines consistency over correctness, and consequently
	 * kill/killpg now returns EPERM instead of ESRCH.
	 *
	 * I've filed 5487498 to get a non-portable kill().
	 * We'll regretfully take advantage of implementation details for now.
	 */
	return syscall(SYS_kill, pid, sig, 0);
}

int
killpg2(pid_t pgrp, int sig)
{
	return kill2(-pgrp, sig);
}
Commit	Line	Data
	1	/*
	2	* Copyright (c) 2007 Apple Inc. All rights reserved.
	3	*
	4	* @APPLE_APACHE_LICENSE_HEADER_START@
	5	*
	6	* Licensed under the Apache License, Version 2.0 (the "License");
	7	* you may not use this file except in compliance with the License.
	8	* You may obtain a copy of the License at
	9	*
	10	* http://www.apache.org/licenses/LICENSE-2.0
	11	*
	12	* Unless required by applicable law or agreed to in writing, software
	13	* distributed under the License is distributed on an "AS IS" BASIS,
	14	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	15	* See the License for the specific language governing permissions and
	16	* limitations under the License.
	17	*
	18	* @APPLE_APACHE_LICENSE_HEADER_END@
	19	*/
	20
	21	#include <sys/syscall.h>
	22	#include <unistd.h>
	23	#include <signal.h>
	24
	25	#include "kill2.h"
	26
	27	int
	28	kill2(pid_t pid, int sig)
	29	{
	30	/*
	31	* POSIX defines consistency over correctness, and consequently
	32	* kill/killpg now returns EPERM instead of ESRCH.
	33	*
	34	* I've filed 5487498 to get a non-portable kill().
	35	* We'll regretfully take advantage of implementation details for now.
	36	*/
	37	return syscall(SYS_kill, pid, sig, 0);
	38	}
	39
	40	int
	41	killpg2(pid_t pgrp, int sig)
	42	{
	43	return kill2(-pgrp, sig);
	44	}