blob: fc1cb2f2dae6168fafe3dc086529e475f4145f46 [file] [log] [blame]
// Copyright 2014 The Bazel Authors. All rights reserved.
//
// 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.
package com.google.devtools.build.lib.util;
import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe;
import com.google.devtools.build.lib.windows.WindowsProcesses;
/**
* OS Process related utilities.
*/
@ThreadSafe
public final class ProcessUtils {
private ProcessUtils() {
// prevent construction.
}
/**
* @return the real group ID of the current process.
* @throws UnsatisfiedLinkError when JNI is not available.
* @throws UnsupportedOperationException on operating systems where this call is not implemented.
*/
public static int getgid() {
if (OS.getCurrent() == OS.WINDOWS) {
throw new UnsupportedOperationException();
} else {
return com.google.devtools.build.lib.unix.ProcessUtils.getgid();
}
}
/**
* @return the process ID of this process.
* @throws UnsatisfiedLinkError when JNI is not available.
*/
public static int getpid() {
// TODO(ulfjack): Use ProcessHandle.current().getPid() here.
if (OS.getCurrent() == OS.WINDOWS) {
return WindowsProcesses.getpid();
} else {
return com.google.devtools.build.lib.unix.ProcessUtils.getpid();
}
}
/**
* @return the real user ID of the current process.
* @throws UnsatisfiedLinkError when JNI is not available.
* @throws UnsupportedOperationException on operating systems where this call is not implemented.
*/
public static int getuid() {
if (OS.getCurrent() == OS.WINDOWS) {
throw new UnsupportedOperationException();
} else {
return com.google.devtools.build.lib.unix.ProcessUtils.getuid();
}
}
}