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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "nacl_io/stream/stream_node.h" | 5 #include "nacl_io/stream/stream_node.h" |
| 6 | 6 |
| 7 #include <errno.h> | 7 #include <errno.h> |
| 8 #include <fcntl.h> | 8 #include <fcntl.h> |
| 9 #include <pthread.h> | 9 #include <pthread.h> |
| 10 #include <string.h> | 10 #include <string.h> |
| 11 | 11 |
| 12 #include "nacl_io/ioctl.h" | 12 #include "nacl_io/ioctl.h" |
| 13 #include "nacl_io/stream/stream_fs.h" | 13 #include "nacl_io/stream/stream_fs.h" |
| 14 #include "sdk_util/atomicops.h" | 14 #include "sdk_util/atomicops.h" |
| 15 | 15 |
| 16 namespace nacl_io { | 16 namespace nacl_io { |
| 17 | 17 |
| 18 StreamNode::StreamNode(Filesystem* fs) | 18 StreamNode::StreamNode(Filesystem* fs) |
| 19 : Node(fs), read_timeout_(-1), write_timeout_(-1), stream_state_flags_(0) {} | 19 : Node(fs), read_timeout_(-1), write_timeout_(-1), stream_state_flags_(0) { |
| 20 } |
| 20 | 21 |
| 21 Error StreamNode::Init(int open_flags) { | 22 Error StreamNode::Init(int open_flags) { |
| 22 Node::Init(open_flags); | 23 Node::Init(open_flags); |
| 23 if (open_flags & O_NONBLOCK) | 24 if (open_flags & O_NONBLOCK) |
| 24 SetStreamFlags(SSF_NON_BLOCK); | 25 SetStreamFlags(SSF_NON_BLOCK); |
| 25 | 26 |
| 26 return 0; | 27 return 0; |
| 27 } | 28 } |
| 28 | 29 |
| 29 void StreamNode::SetStreamFlags(uint32_t bits) { | 30 void StreamNode::SetStreamFlags(uint32_t bits) { |
| 30 sdk_util::AtomicOrFetch(&stream_state_flags_, bits); | 31 sdk_util::AtomicOrFetch(&stream_state_flags_, bits); |
| 31 } | 32 } |
| 32 | 33 |
| 33 void StreamNode::ClearStreamFlags(uint32_t bits) { | 34 void StreamNode::ClearStreamFlags(uint32_t bits) { |
| 34 sdk_util::AtomicAndFetch(&stream_state_flags_, ~bits); | 35 sdk_util::AtomicAndFetch(&stream_state_flags_, ~bits); |
| 35 } | 36 } |
| 36 | 37 |
| 37 uint32_t StreamNode::GetStreamFlags() { return stream_state_flags_; } | 38 uint32_t StreamNode::GetStreamFlags() { |
| 39 return stream_state_flags_; |
| 40 } |
| 38 | 41 |
| 39 bool StreamNode::TestStreamFlags(uint32_t bits) { | 42 bool StreamNode::TestStreamFlags(uint32_t bits) { |
| 40 return (stream_state_flags_ & bits) == bits; | 43 return (stream_state_flags_ & bits) == bits; |
| 41 } | 44 } |
| 42 | 45 |
| 43 void StreamNode::QueueInput() {} | 46 void StreamNode::QueueInput() { |
| 44 void StreamNode::QueueOutput() {} | 47 } |
| 48 void StreamNode::QueueOutput() { |
| 49 } |
| 45 | 50 |
| 46 StreamFs* StreamNode::stream() { return static_cast<StreamFs*>(filesystem_); } | 51 StreamFs* StreamNode::stream() { |
| 52 return static_cast<StreamFs*>(filesystem_); |
| 53 } |
| 47 | 54 |
| 48 } // namespace nacl_io | 55 } // namespace nacl_io |
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