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1 /* | 1 /* |
2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #include "webrtc/system_wrappers/include/cpu_info.h" | 11 #include "webrtc/system_wrappers/include/cpu_info.h" |
12 | 12 |
13 #if defined(WEBRTC_WIN) | 13 #if defined(WEBRTC_WIN) |
14 #include <winsock2.h> | 14 #include <winsock2.h> |
15 #include <windows.h> | 15 #include <windows.h> |
16 #ifndef EXCLUDE_D3D9 | 16 #ifndef EXCLUDE_D3D9 |
17 #include <d3d9.h> | 17 #include <d3d9.h> |
18 #endif | 18 #endif |
19 #elif defined(WEBRTC_LINUX) | 19 #elif defined(WEBRTC_LINUX) |
20 #include <unistd.h> | 20 #include <unistd.h> |
21 #endif | 21 #endif |
22 #if defined(WEBRTC_MAC) | 22 #if defined(WEBRTC_MAC) |
23 #include <sys/sysctl.h> | 23 #include <sys/sysctl.h> |
24 #endif | 24 #endif |
25 | 25 |
26 #include "webrtc/base/logging.h" | 26 #include "webrtc/rtc_base/logging.h" |
27 | 27 |
28 namespace internal { | 28 namespace internal { |
29 static int DetectNumberOfCores() { | 29 static int DetectNumberOfCores() { |
30 // We fall back on assuming a single core in case of errors. | 30 // We fall back on assuming a single core in case of errors. |
31 int number_of_cores = 1; | 31 int number_of_cores = 1; |
32 | 32 |
33 #if defined(WEBRTC_WIN) | 33 #if defined(WEBRTC_WIN) |
34 SYSTEM_INFO si; | 34 SYSTEM_INFO si; |
35 GetSystemInfo(&si); | 35 GetSystemInfo(&si); |
36 number_of_cores = static_cast<int>(si.dwNumberOfProcessors); | 36 number_of_cores = static_cast<int>(si.dwNumberOfProcessors); |
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60 // is running in a sandbox, we may only be able to read the value once (before | 60 // is running in a sandbox, we may only be able to read the value once (before |
61 // the sandbox is initialized) and not thereafter. | 61 // the sandbox is initialized) and not thereafter. |
62 // For more information see crbug.com/176522. | 62 // For more information see crbug.com/176522. |
63 static uint32_t logical_cpus = 0; | 63 static uint32_t logical_cpus = 0; |
64 if (!logical_cpus) | 64 if (!logical_cpus) |
65 logical_cpus = static_cast<uint32_t>(internal::DetectNumberOfCores()); | 65 logical_cpus = static_cast<uint32_t>(internal::DetectNumberOfCores()); |
66 return logical_cpus; | 66 return logical_cpus; |
67 } | 67 } |
68 | 68 |
69 } // namespace webrtc | 69 } // namespace webrtc |
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