OLD | NEW |
1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
(...skipping 82 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
93 // limit. | 93 // limit. |
94 | 94 |
95 intptr_t OS::MaxVirtualMemory() { | 95 intptr_t OS::MaxVirtualMemory() { |
96 struct rlimit limit; | 96 struct rlimit limit; |
97 int result = getrlimit(RLIMIT_DATA, &limit); | 97 int result = getrlimit(RLIMIT_DATA, &limit); |
98 if (result != 0) return 0; | 98 if (result != 0) return 0; |
99 return limit.rlim_cur; | 99 return limit.rlim_cur; |
100 } | 100 } |
101 | 101 |
102 | 102 |
| 103 uint64_t OS::TotalPhysicalMemory() { |
| 104 #if V8_OS_MACOSX |
| 105 int mib[2]; |
| 106 mib[0] = CTL_HW; |
| 107 mib[1] = HW_MEMSIZE; |
| 108 int64_t size = 0; |
| 109 size_t len = sizeof(size); |
| 110 if (sysctl(mib, 2, &size, &len, NULL, 0) != 0) { |
| 111 UNREACHABLE(); |
| 112 return 0; |
| 113 } |
| 114 return static_cast<uint64_t>(size); |
| 115 #elif V8_OS_FREEBSD |
| 116 int pages, page_size; |
| 117 size_t size = sizeof(pages); |
| 118 sysctlbyname("vm.stats.vm.v_page_count", &pages, &size, NULL, 0); |
| 119 sysctlbyname("vm.stats.vm.v_page_size", &page_size, &size, NULL, 0); |
| 120 if (pages == -1 || page_size == -1) { |
| 121 UNREACHABLE(); |
| 122 return 0; |
| 123 } |
| 124 return static_cast<uint64_t>(pages) * page_size; |
| 125 #elif V8_OS_CYGWIN |
| 126 MEMORYSTATUS memory_info; |
| 127 memory_info.dwLength = sizeof(memory_info); |
| 128 if (!GlobalMemoryStatus(&memory_info)) { |
| 129 UNREACHABLE(); |
| 130 return 0; |
| 131 } |
| 132 return static_cast<uint64_t>(memory_info.dwTotalPhys); |
| 133 #else |
| 134 intptr_t pages = sysconf(_SC_PHYS_PAGES); |
| 135 intptr_t page_size = sysconf(_SC_PAGESIZE); |
| 136 if (pages == -1 || page_size == -1) { |
| 137 UNREACHABLE(); |
| 138 return 0; |
| 139 } |
| 140 return static_cast<uint64_t>(pages) * page_size; |
| 141 #endif |
| 142 } |
| 143 |
| 144 |
103 int OS::ActivationFrameAlignment() { | 145 int OS::ActivationFrameAlignment() { |
104 #if V8_TARGET_ARCH_ARM | 146 #if V8_TARGET_ARCH_ARM |
105 // On EABI ARM targets this is required for fp correctness in the | 147 // On EABI ARM targets this is required for fp correctness in the |
106 // runtime system. | 148 // runtime system. |
107 return 8; | 149 return 8; |
108 #elif V8_TARGET_ARCH_MIPS | 150 #elif V8_TARGET_ARCH_MIPS |
109 return 8; | 151 return 8; |
110 #else | 152 #else |
111 // Otherwise we just assume 16 byte alignment, i.e.: | 153 // Otherwise we just assume 16 byte alignment, i.e.: |
112 // - With gcc 4.4 the tree vectorization optimizer can generate code | 154 // - With gcc 4.4 the tree vectorization optimizer can generate code |
(...skipping 616 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
729 | 771 |
730 void Thread::SetThreadLocal(LocalStorageKey key, void* value) { | 772 void Thread::SetThreadLocal(LocalStorageKey key, void* value) { |
731 pthread_key_t pthread_key = LocalKeyToPthreadKey(key); | 773 pthread_key_t pthread_key = LocalKeyToPthreadKey(key); |
732 int result = pthread_setspecific(pthread_key, value); | 774 int result = pthread_setspecific(pthread_key, value); |
733 ASSERT_EQ(0, result); | 775 ASSERT_EQ(0, result); |
734 USE(result); | 776 USE(result); |
735 } | 777 } |
736 | 778 |
737 | 779 |
738 } } // namespace v8::internal | 780 } } // namespace v8::internal |
OLD | NEW |