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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/globals.h" | 5 #include "vm/globals.h" |
6 #if defined(HOST_OS_MACOS) | 6 #if defined(HOST_OS_MACOS) |
7 | 7 |
8 #include "vm/cpuinfo.h" | 8 #include "vm/cpuinfo.h" |
9 | 9 |
10 #include <errno.h> // NOLINT | 10 #include <errno.h> // NOLINT |
| 11 #include <sys/sysctl.h> // NOLINT |
11 #include <sys/types.h> // NOLINT | 12 #include <sys/types.h> // NOLINT |
12 #include <sys/sysctl.h> // NOLINT | |
13 | 13 |
14 #include "platform/assert.h" | 14 #include "platform/assert.h" |
15 | 15 |
16 namespace dart { | 16 namespace dart { |
17 | 17 |
18 CpuInfoMethod CpuInfo::method_ = kCpuInfoDefault; | 18 CpuInfoMethod CpuInfo::method_ = kCpuInfoDefault; |
19 const char* CpuInfo::fields_[kCpuInfoMax] = {0}; | 19 const char* CpuInfo::fields_[kCpuInfoMax] = {0}; |
20 | 20 |
21 void CpuInfo::InitOnce() { | 21 void CpuInfo::InitOnce() { |
22 method_ = kCpuInfoSystem; | 22 method_ = kCpuInfoSystem; |
23 | 23 |
24 fields_[kCpuInfoProcessor] = "machdep.cpu.vendor"; | 24 fields_[kCpuInfoProcessor] = "machdep.cpu.vendor"; |
25 fields_[kCpuInfoModel] = "machdep.cpu.brand_string"; | 25 fields_[kCpuInfoModel] = "machdep.cpu.brand_string"; |
26 fields_[kCpuInfoHardware] = "machdep.cpu.brand_string"; | 26 fields_[kCpuInfoHardware] = "machdep.cpu.brand_string"; |
27 fields_[kCpuInfoFeatures] = "machdep.cpu.features"; | 27 fields_[kCpuInfoFeatures] = "machdep.cpu.features"; |
28 fields_[kCpuInfoArchitecture] = NULL; | 28 fields_[kCpuInfoArchitecture] = NULL; |
29 } | 29 } |
30 | 30 |
31 | |
32 void CpuInfo::Cleanup() {} | 31 void CpuInfo::Cleanup() {} |
33 | 32 |
34 | |
35 bool CpuInfo::FieldContains(CpuInfoIndices idx, const char* search_string) { | 33 bool CpuInfo::FieldContains(CpuInfoIndices idx, const char* search_string) { |
36 ASSERT(method_ != kCpuInfoDefault); | 34 ASSERT(method_ != kCpuInfoDefault); |
37 ASSERT(search_string != NULL); | 35 ASSERT(search_string != NULL); |
38 const char* field = FieldName(idx); | 36 const char* field = FieldName(idx); |
39 char dest[1024]; | 37 char dest[1024]; |
40 size_t dest_len = 1024; | 38 size_t dest_len = 1024; |
41 | 39 |
42 ASSERT(HasField(field)); | 40 ASSERT(HasField(field)); |
43 if (sysctlbyname(field, dest, &dest_len, NULL, 0) != 0) { | 41 if (sysctlbyname(field, dest, &dest_len, NULL, 0) != 0) { |
44 UNREACHABLE(); | 42 UNREACHABLE(); |
45 return false; | 43 return false; |
46 } | 44 } |
47 | 45 |
48 return (strcasestr(dest, search_string) != NULL); | 46 return (strcasestr(dest, search_string) != NULL); |
49 } | 47 } |
50 | 48 |
51 | |
52 const char* CpuInfo::ExtractField(CpuInfoIndices idx) { | 49 const char* CpuInfo::ExtractField(CpuInfoIndices idx) { |
53 ASSERT(method_ != kCpuInfoDefault); | 50 ASSERT(method_ != kCpuInfoDefault); |
54 const char* field = FieldName(idx); | 51 const char* field = FieldName(idx); |
55 ASSERT(field != NULL); | 52 ASSERT(field != NULL); |
56 size_t result_len; | 53 size_t result_len; |
57 | 54 |
58 ASSERT(HasField(field)); | 55 ASSERT(HasField(field)); |
59 if (sysctlbyname(field, NULL, &result_len, NULL, 0) != 0) { | 56 if (sysctlbyname(field, NULL, &result_len, NULL, 0) != 0) { |
60 UNREACHABLE(); | 57 UNREACHABLE(); |
61 return 0; | 58 return 0; |
62 } | 59 } |
63 | 60 |
64 char* result = reinterpret_cast<char*>(malloc(result_len)); | 61 char* result = reinterpret_cast<char*>(malloc(result_len)); |
65 if (sysctlbyname(field, result, &result_len, NULL, 0) != 0) { | 62 if (sysctlbyname(field, result, &result_len, NULL, 0) != 0) { |
66 UNREACHABLE(); | 63 UNREACHABLE(); |
67 return 0; | 64 return 0; |
68 } | 65 } |
69 | 66 |
70 return result; | 67 return result; |
71 } | 68 } |
72 | 69 |
73 | |
74 bool CpuInfo::HasField(const char* field) { | 70 bool CpuInfo::HasField(const char* field) { |
75 ASSERT(method_ != kCpuInfoDefault); | 71 ASSERT(method_ != kCpuInfoDefault); |
76 ASSERT(field != NULL); | 72 ASSERT(field != NULL); |
77 int ret = sysctlbyname(field, NULL, NULL, NULL, 0); | 73 int ret = sysctlbyname(field, NULL, NULL, NULL, 0); |
78 return (ret == 0); | 74 return (ret == 0); |
79 } | 75 } |
80 | 76 |
81 } // namespace dart | 77 } // namespace dart |
82 | 78 |
83 #endif // defined(HOST_OS_MACOS) | 79 #endif // defined(HOST_OS_MACOS) |
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