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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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 <stddef.h> | |
| 6 #include <string.h> | 5 #include <string.h> |
| 7 | 6 #include "sandbox/win/src/sharedmem_ipc_client.h" |
| 8 #include "base/logging.h" | 7 #include "sandbox/win/src/sandbox.h" |
| 9 #include "sandbox/win/src/crosscall_client.h" | 8 #include "sandbox/win/src/crosscall_client.h" |
| 10 #include "sandbox/win/src/crosscall_params.h" | 9 #include "sandbox/win/src/crosscall_params.h" |
| 11 #include "sandbox/win/src/sandbox.h" | 10 #include "base/logging.h" |
| 12 #include "sandbox/win/src/sharedmem_ipc_client.h" | |
| 13 | 11 |
| 14 namespace sandbox { | 12 namespace sandbox { |
| 15 | 13 |
| 16 // Get the base of the data buffer of the channel; this is where the input | 14 // Get the base of the data buffer of the channel; this is where the input |
| 17 // parameters get serialized. Since they get serialized directly into the | 15 // parameters get serialized. Since they get serialized directly into the |
| 18 // channel we avoid one copy. | 16 // channel we avoid one copy. |
| 19 void* SharedMemIPCClient::GetBuffer() { | 17 void* SharedMemIPCClient::GetBuffer() { |
| 20 bool failure = false; | 18 bool failure = false; |
| 21 size_t ix = LockFreeChannel(&failure); | 19 size_t ix = LockFreeChannel(&failure); |
| 22 if (failure) { | 20 if (failure) { |
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| 144 | 142 |
| 145 // Find out which channel we are from the pointer returned by GetBuffer. | 143 // Find out which channel we are from the pointer returned by GetBuffer. |
| 146 size_t SharedMemIPCClient::ChannelIndexFromBuffer(const void* buffer) { | 144 size_t SharedMemIPCClient::ChannelIndexFromBuffer(const void* buffer) { |
| 147 ptrdiff_t d = reinterpret_cast<const char*>(buffer) - first_base_; | 145 ptrdiff_t d = reinterpret_cast<const char*>(buffer) - first_base_; |
| 148 size_t num = d/kIPCChannelSize; | 146 size_t num = d/kIPCChannelSize; |
| 149 DCHECK_LT(num, control_->channels_count); | 147 DCHECK_LT(num, control_->channels_count); |
| 150 return (num); | 148 return (num); |
| 151 } | 149 } |
| 152 | 150 |
| 153 } // namespace sandbox | 151 } // namespace sandbox |
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Chromium Code Reviews
Issue 1539423002:
Revert of Switch to standard integer types in sandbox/. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master