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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 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 | 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 #ifndef LIBRARIES_NACL_IO_FIFO_CHAR_H_ | 5 #ifndef LIBRARIES_NACL_IO_FIFO_CHAR_H_ |
| 6 #define LIBRARIES_NACL_IO_FIFO_CHAR_H_ | 6 #define LIBRARIES_NACL_IO_FIFO_CHAR_H_ |
| 7 | 7 |
| 8 #include <vector> | 8 #include <vector> |
| 9 | 9 |
| 10 #include "nacl_io/fifo_interface.h" | 10 #include "nacl_io/fifo_interface.h" |
| (...skipping 22 matching lines...) Expand all Loading... |
| 33 size_t Peek(void* buf, size_t len); | 33 size_t Peek(void* buf, size_t len); |
| 34 | 34 |
| 35 // Reads out the data making room in the FIFO. Returns actual amount | 35 // Reads out the data making room in the FIFO. Returns actual amount |
| 36 // read. | 36 // read. |
| 37 size_t Read(void* buf, size_t len); | 37 size_t Read(void* buf, size_t len); |
| 38 | 38 |
| 39 // Writes into the FIFO no more than len bytes, returns actual amount | 39 // Writes into the FIFO no more than len bytes, returns actual amount |
| 40 // written. | 40 // written. |
| 41 size_t Write(const void* buf, size_t len); | 41 size_t Write(const void* buf, size_t len); |
| 42 | 42 |
| 43 private: | 43 private: |
| 44 char* buffer_; | 44 char* buffer_; |
| 45 size_t size_; // Size of the FIFO | 45 size_t size_; // Size of the FIFO |
| 46 size_t avail_; // How much data is currently available | 46 size_t avail_; // How much data is currently available |
| 47 size_t tail_; // Next read location | 47 size_t tail_; // Next read location |
| 48 | 48 |
| 49 DISALLOW_COPY_AND_ASSIGN(FIFOChar); | 49 DISALLOW_COPY_AND_ASSIGN(FIFOChar); |
| 50 }; | 50 }; |
| 51 | 51 |
| 52 } // namespace nacl_io | 52 } // namespace nacl_io |
| 53 | 53 |
| 54 #endif // LIBRARIES_NACL_IO_FIFO_CHAR_H_ | 54 #endif // LIBRARIES_NACL_IO_FIFO_CHAR_H_ |
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