root/base/process/process_handle_posix.cc

DEFINITIONS

1. GetCurrentProcId
2. GetCurrentProcessHandle
3. OpenProcessHandle
4. OpenPrivilegedProcessHandle
5. OpenProcessHandleWithAccess
6. CloseProcessHandle
7. GetProcId

// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/process/process_handle.h"

#include <unistd.h>

namespace base {

ProcessId GetCurrentProcId() {
  return getpid();
}

ProcessHandle GetCurrentProcessHandle() {
  return GetCurrentProcId();
}

bool OpenProcessHandle(ProcessId pid, ProcessHandle* handle) {
  // On Posix platforms, process handles are the same as PIDs, so we
  // don't need to do anything.
  *handle = pid;
  return true;
}

bool OpenPrivilegedProcessHandle(ProcessId pid, ProcessHandle* handle) {
  // On POSIX permissions are checked for each operation on process,
  // not when opening a "handle".
  return OpenProcessHandle(pid, handle);
}

bool OpenProcessHandleWithAccess(ProcessId pid,
                                 uint32 access_flags,
                                 ProcessHandle* handle) {
  // On POSIX permissions are checked for each operation on process,
  // not when opening a "handle".
  return OpenProcessHandle(pid, handle);
}

void CloseProcessHandle(ProcessHandle process) {
  // See OpenProcessHandle, nothing to do.
  return;
}

ProcessId GetProcId(ProcessHandle process) {
  return process;
}

}  // namespace base