launchd-442.21.tar.gz

[apple/launchd.git] / src / kill2.c

diff --git a/src/kill2.c b/src/kill2.c
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+++ b/src/kill2.c
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+/*
+ * 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);
+}