OLD | NEW |
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 |
(...skipping 14 matching lines...) Expand all Loading... |
25 | 25 |
26 #include "webrtc/rtc_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 GetNativeSystemInfo(&si); |
36 number_of_cores = static_cast<int>(si.dwNumberOfProcessors); | 36 number_of_cores = static_cast<int>(si.dwNumberOfProcessors); |
37 #elif defined(WEBRTC_LINUX) || defined(WEBRTC_ANDROID) | 37 #elif defined(WEBRTC_LINUX) || defined(WEBRTC_ANDROID) |
38 number_of_cores = static_cast<int>(sysconf(_SC_NPROCESSORS_ONLN)); | 38 number_of_cores = static_cast<int>(sysconf(_SC_NPROCESSORS_ONLN)); |
39 #elif defined(WEBRTC_MAC) | 39 #elif defined(WEBRTC_MAC) |
40 int name[] = {CTL_HW, HW_AVAILCPU}; | 40 int name[] = {CTL_HW, HW_AVAILCPU}; |
41 size_t size = sizeof(number_of_cores); | 41 size_t size = sizeof(number_of_cores); |
42 if (0 != sysctl(name, 2, &number_of_cores, &size, NULL, 0)) { | 42 if (0 != sysctl(name, 2, &number_of_cores, &size, NULL, 0)) { |
43 LOG(LS_ERROR) << "Failed to get number of cores"; | 43 LOG(LS_ERROR) << "Failed to get number of cores"; |
44 number_of_cores = 1; | 44 number_of_cores = 1; |
45 } | 45 } |
(...skipping 14 matching lines...) Expand all Loading... |
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 |
OLD | NEW |