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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project 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 "src/base/sys-info.h" | 5 #include "src/base/sys-info.h" |
6 | 6 |
7 #if V8_OS_POSIX | 7 #if V8_OS_POSIX |
8 #include <sys/resource.h> | 8 #include <sys/resource.h> |
9 #include <sys/stat.h> | 9 #include <sys/stat.h> |
10 #include <sys/time.h> | 10 #include <sys/time.h> |
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84 int64_t result = static_cast<int64_t>(memory_info.ullTotalPhys); | 84 int64_t result = static_cast<int64_t>(memory_info.ullTotalPhys); |
85 if (result < 0) result = std::numeric_limits<int64_t>::max(); | 85 if (result < 0) result = std::numeric_limits<int64_t>::max(); |
86 return result; | 86 return result; |
87 #elif V8_OS_QNX | 87 #elif V8_OS_QNX |
88 struct stat stat_buf; | 88 struct stat stat_buf; |
89 if (stat("/proc", &stat_buf) != 0) { | 89 if (stat("/proc", &stat_buf) != 0) { |
90 UNREACHABLE(); | 90 UNREACHABLE(); |
91 return 0; | 91 return 0; |
92 } | 92 } |
93 return static_cast<int64_t>(stat_buf.st_size); | 93 return static_cast<int64_t>(stat_buf.st_size); |
| 94 #elif V8_OS_NACL |
| 95 // No support for _SC_PHYS_PAGES, assume 2GB. |
| 96 return static_cast<int64_t>(1) << 31; |
94 #elif V8_OS_POSIX | 97 #elif V8_OS_POSIX |
95 long pages = sysconf(_SC_PHYS_PAGES); // NOLINT(runtime/int) | 98 long pages = sysconf(_SC_PHYS_PAGES); // NOLINT(runtime/int) |
96 long page_size = sysconf(_SC_PAGESIZE); // NOLINT(runtime/int) | 99 long page_size = sysconf(_SC_PAGESIZE); // NOLINT(runtime/int) |
97 if (pages == -1 || page_size == -1) { | 100 if (pages == -1 || page_size == -1) { |
98 UNREACHABLE(); | 101 UNREACHABLE(); |
99 return 0; | 102 return 0; |
100 } | 103 } |
101 return static_cast<int64_t>(pages) * page_size; | 104 return static_cast<int64_t>(pages) * page_size; |
102 #endif | 105 #endif |
103 } | 106 } |
104 | 107 |
105 | 108 |
106 // static | 109 // static |
107 int64_t SysInfo::AmountOfVirtualMemory() { | 110 int64_t SysInfo::AmountOfVirtualMemory() { |
108 #if V8_OS_NACL || V8_OS_WIN | 111 #if V8_OS_NACL || V8_OS_WIN |
109 return 0; | 112 return 0; |
110 #elif V8_OS_POSIX | 113 #elif V8_OS_POSIX |
111 struct rlimit rlim; | 114 struct rlimit rlim; |
112 int result = getrlimit(RLIMIT_DATA, &rlim); | 115 int result = getrlimit(RLIMIT_DATA, &rlim); |
113 if (result != 0) { | 116 if (result != 0) { |
114 UNREACHABLE(); | 117 UNREACHABLE(); |
115 return 0; | 118 return 0; |
116 } | 119 } |
117 return (rlim.rlim_cur == RLIM_INFINITY) ? 0 : rlim.rlim_cur; | 120 return (rlim.rlim_cur == RLIM_INFINITY) ? 0 : rlim.rlim_cur; |
118 #endif | 121 #endif |
119 } | 122 } |
120 | 123 |
121 } // namespace base | 124 } // namespace base |
122 } // namespace v8 | 125 } // namespace v8 |
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