ipc/unixfd/UnixFileWatcher.cpp

   1 /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
   2 /* vim: set ts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include <fcntl.h>
   8 #include "UnixFileWatcher.h"
   9
  10 namespace mozilla {
  11 namespace ipc {
  12
  13 UnixFileWatcher::~UnixFileWatcher()
  14 {
  15 }
  16
  17 nsresult
  18 UnixFileWatcher::Open(const char* aFilename, int aFlags, mode_t aMode)
  19 {
  20   MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
  21   MOZ_ASSERT(aFlags & O_NONBLOCK);
  22
  23   int fd = TEMP_FAILURE_RETRY(open(aFilename, aFlags, aMode));
  24   if (fd < 0) {
  25     OnError("open", errno);
  26     return NS_ERROR_FAILURE;
  27   }
  28   SetFd(fd);
  29   OnOpened();
  30
  31   return NS_OK;
  32 }
  33
  34 UnixFileWatcher::UnixFileWatcher(MessageLoop* aIOLoop)
  35 : UnixFdWatcher(aIOLoop)
  36 {
  37 }
  38
  39 UnixFileWatcher::UnixFileWatcher(MessageLoop* aIOLoop, int aFd)
  40 : UnixFdWatcher(aIOLoop, aFd)
  41 {
  42 }
  43
  44 }
  45 }