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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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78 } | 78 } |
79 int64_t result = static_cast<int64_t>(memory_info.ullTotalPhys); | 79 int64_t result = static_cast<int64_t>(memory_info.ullTotalPhys); |
80 if (result < 0) result = std::numeric_limits<int64_t>::max(); | 80 if (result < 0) result = std::numeric_limits<int64_t>::max(); |
81 return result; | 81 return result; |
82 #elif V8_OS_QNX | 82 #elif V8_OS_QNX |
83 struct stat stat_buf; | 83 struct stat stat_buf; |
84 if (stat("/proc", &stat_buf) != 0) { | 84 if (stat("/proc", &stat_buf) != 0) { |
85 return 0; | 85 return 0; |
86 } | 86 } |
87 return static_cast<int64_t>(stat_buf.st_size); | 87 return static_cast<int64_t>(stat_buf.st_size); |
88 #elif V8_OS_NACL | |
89 // No support for _SC_PHYS_PAGES, assume 2GB. | |
90 return static_cast<int64_t>(1) << 31; | |
91 #elif V8_OS_AIX | 88 #elif V8_OS_AIX |
92 int64_t result = sysconf(_SC_AIX_REALMEM); | 89 int64_t result = sysconf(_SC_AIX_REALMEM); |
93 return static_cast<int64_t>(result) * 1024L; | 90 return static_cast<int64_t>(result) * 1024L; |
94 #elif V8_OS_POSIX | 91 #elif V8_OS_POSIX |
95 long pages = sysconf(_SC_PHYS_PAGES); // NOLINT(runtime/int) | 92 long pages = sysconf(_SC_PHYS_PAGES); // NOLINT(runtime/int) |
96 long page_size = sysconf(_SC_PAGESIZE); // NOLINT(runtime/int) | 93 long page_size = sysconf(_SC_PAGESIZE); // NOLINT(runtime/int) |
97 if (pages == -1 || page_size == -1) { | 94 if (pages == -1 || page_size == -1) { |
98 return 0; | 95 return 0; |
99 } | 96 } |
100 return static_cast<int64_t>(pages) * page_size; | 97 return static_cast<int64_t>(pages) * page_size; |
101 #endif | 98 #endif |
102 } | 99 } |
103 | 100 |
104 | 101 |
105 // static | 102 // static |
106 int64_t SysInfo::AmountOfVirtualMemory() { | 103 int64_t SysInfo::AmountOfVirtualMemory() { |
107 #if V8_OS_NACL || V8_OS_WIN | 104 #if V8_OS_WIN |
108 return 0; | 105 return 0; |
109 #elif V8_OS_POSIX | 106 #elif V8_OS_POSIX |
110 struct rlimit rlim; | 107 struct rlimit rlim; |
111 int result = getrlimit(RLIMIT_DATA, &rlim); | 108 int result = getrlimit(RLIMIT_DATA, &rlim); |
112 if (result != 0) { | 109 if (result != 0) { |
113 return 0; | 110 return 0; |
114 } | 111 } |
115 return (rlim.rlim_cur == RLIM_INFINITY) ? 0 : rlim.rlim_cur; | 112 return (rlim.rlim_cur == RLIM_INFINITY) ? 0 : rlim.rlim_cur; |
116 #endif | 113 #endif |
117 } | 114 } |
118 | 115 |
119 } // namespace base | 116 } // namespace base |
120 } // namespace v8 | 117 } // namespace v8 |
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