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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "mojo/shell/data_pipe_peek.h" | 5 #include "mojo/shell/data_pipe_peek.h" |
6 | 6 |
| 7 #include <stddef.h> |
7 #include <stdint.h> | 8 #include <stdint.h> |
8 | 9 |
9 #include <algorithm> | 10 #include <algorithm> |
10 | 11 |
11 #include "base/bind.h" | 12 #include "base/bind.h" |
12 #include "base/macros.h" | 13 #include "base/macros.h" |
13 | 14 |
14 namespace mojo { | 15 namespace mojo { |
15 namespace shell { | 16 namespace shell { |
16 | 17 |
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36 if (num_bytes_read > 0 && last_number_bytes_read_ >= num_bytes_read) | 37 if (num_bytes_read > 0 && last_number_bytes_read_ >= num_bytes_read) |
37 return false; | 38 return false; |
38 last_number_bytes_read_ = num_bytes_read; | 39 last_number_bytes_read_ = num_bytes_read; |
39 | 40 |
40 MojoTimeTicks now(GetTimeTicksNow()); | 41 MojoTimeTicks now(GetTimeTicksNow()); |
41 if (now > deadline_) | 42 if (now > deadline_) |
42 return false; | 43 return false; |
43 | 44 |
44 MojoTimeTicks sleep_time = | 45 MojoTimeTicks sleep_time = |
45 (deadline_ == 0) ? kMaxSleepMicros | 46 (deadline_ == 0) ? kMaxSleepMicros |
46 : std::min<int64>(deadline_ - now, kMaxSleepMicros); | 47 : std::min<int64_t>(deadline_ - now, kMaxSleepMicros); |
47 base::PlatformThread::Sleep(base::TimeDelta::FromMicroseconds(sleep_time)); | 48 base::PlatformThread::Sleep(base::TimeDelta::FromMicroseconds(sleep_time)); |
48 return true; | 49 return true; |
49 } | 50 } |
50 | 51 |
51 private: | 52 private: |
52 static const MojoTimeTicks kMaxSleepMicros = 1000 * 10; // 10 ms | 53 static const MojoTimeTicks kMaxSleepMicros = 1000 * 10; // 10 ms |
53 | 54 |
54 const MojoTimeTicks deadline_; // 0 => MOJO_DEADLINE_INDEFINITE | 55 const MojoTimeTicks deadline_; // 0 => MOJO_DEADLINE_INDEFINITE |
55 uint32_t last_number_bytes_read_; | 56 uint32_t last_number_bytes_read_; |
56 | 57 |
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153 bool BlockingPeekLine(DataPipeConsumerHandle source, | 154 bool BlockingPeekLine(DataPipeConsumerHandle source, |
154 std::string* line, | 155 std::string* line, |
155 size_t max_line_length, | 156 size_t max_line_length, |
156 MojoDeadline timeout) { | 157 MojoDeadline timeout) { |
157 PeekFunc peek_line = base::Bind(PeekLine, max_line_length); | 158 PeekFunc peek_line = base::Bind(PeekLine, max_line_length); |
158 return BlockingPeekHelper(source, line, timeout, peek_line); | 159 return BlockingPeekHelper(source, line, timeout, peek_line); |
159 } | 160 } |
160 | 161 |
161 } // namespace shell | 162 } // namespace shell |
162 } // namespace mojo | 163 } // namespace mojo |
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