OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "tools/android/forwarder2/pipe_notifier.h" | 5 #include "tools/android/forwarder2/pipe_notifier.h" |
6 | 6 |
7 #include <fcntl.h> | 7 #include <fcntl.h> |
8 #include <unistd.h> | 8 #include <unistd.h> |
9 #include <sys/socket.h> | 9 #include <sys/socket.h> |
10 #include <sys/types.h> | 10 #include <sys/types.h> |
11 | 11 |
12 #include "base/logging.h" | 12 #include "base/logging.h" |
13 #include "base/posix/eintr_wrapper.h" | 13 #include "base/posix/eintr_wrapper.h" |
14 #include "base/safe_strerror_posix.h" | 14 #include "base/safe_strerror_posix.h" |
15 | 15 |
16 namespace forwarder2 { | 16 namespace forwarder2 { |
17 | 17 |
18 PipeNotifier::PipeNotifier() { | 18 PipeNotifier::PipeNotifier() { |
19 int pipe_fd[2]; | 19 int pipe_fd[2]; |
20 int ret = pipe(pipe_fd); | 20 int ret = pipe(pipe_fd); |
21 CHECK_EQ(0, ret); | 21 CHECK_EQ(0, ret); |
22 receiver_fd_ = pipe_fd[0]; | 22 receiver_fd_ = pipe_fd[0]; |
23 sender_fd_ = pipe_fd[1]; | 23 sender_fd_ = pipe_fd[1]; |
24 fcntl(sender_fd_, F_SETFL, O_NONBLOCK); | 24 fcntl(sender_fd_, F_SETFL, O_NONBLOCK); |
25 } | 25 } |
26 | 26 |
27 PipeNotifier::~PipeNotifier() { | 27 PipeNotifier::~PipeNotifier() { |
28 (void) HANDLE_EINTR(close(receiver_fd_)); | 28 close(receiver_fd_); |
29 (void) HANDLE_EINTR(close(sender_fd_)); | 29 close(sender_fd_); |
30 } | 30 } |
31 | 31 |
32 bool PipeNotifier::Notify() { | 32 bool PipeNotifier::Notify() { |
33 CHECK_NE(-1, sender_fd_); | 33 CHECK_NE(-1, sender_fd_); |
34 errno = 0; | 34 errno = 0; |
35 int ret = HANDLE_EINTR(write(sender_fd_, "1", 1)); | 35 int ret = HANDLE_EINTR(write(sender_fd_, "1", 1)); |
36 if (ret < 0) { | 36 if (ret < 0) { |
37 LOG(WARNING) << "Error while notifying pipe. " << safe_strerror(errno); | 37 LOG(WARNING) << "Error while notifying pipe. " << safe_strerror(errno); |
38 return false; | 38 return false; |
39 } | 39 } |
40 return true; | 40 return true; |
41 } | 41 } |
42 | 42 |
43 } // namespace forwarder | 43 } // namespace forwarder |
OLD | NEW |