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
kill2(pid_t pid,int sig)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
killpg2(pid_t pgrp,int sig)41 killpg2(pid_t pgrp, int sig)
42 {
43 return kill2(-pgrp, sig);
44 }
45