base/process/process_handle_posix.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/process/process_handle.h"
   6
   7 #include <unistd.h>
   8
   9 namespace base {
  10
  11 ProcessId GetCurrentProcId() {
  12   return getpid();
  13 }
  14
  15 ProcessHandle GetCurrentProcessHandle() {
  16   return GetCurrentProcId();
  17 }
  18
  19 bool OpenProcessHandle(ProcessId pid, ProcessHandle* handle) {
  20   // On Posix platforms, process handles are the same as PIDs, so we
  21   // don't need to do anything.
  22   *handle = pid;
  23   return true;
  24 }
  25
  26 bool OpenProcessHandleWithAccess(ProcessId pid,
  27                                  uint32 access_flags,
  28                                  ProcessHandle* handle) {
  29   // On POSIX permissions are checked for each operation on process,
  30   // not when opening a "handle".
  31   return OpenProcessHandle(pid, handle);
  32 }
  33
  34 void CloseProcessHandle(ProcessHandle process) {
  35   // See OpenProcessHandle, nothing to do.
  36   return;
  37 }
  38
  39 ProcessId GetProcId(ProcessHandle process) {
  40   return process;
  41 }
  42
  43 }  // namespace base