| 77 | #include "Global/GlobalDefines.h" |
| 78 | |
| 79 | NATRON_NAMESPACE_ENTER |
| 80 | |
| 81 | U64 |
| 82 | getSystemTotalRAM() |
| 83 | { |
| 84 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__APPLE__) |
| 85 | // see http://source.winehq.org/git/wine.git/blob/HEAD:/dlls/kernel32/heap.c |
| 86 | uint64_t total; |
| 87 | #ifdef __APPLE__ |
| 88 | unsigned int val; |
| 89 | #else |
| 90 | unsigned long val; |
| 91 | #endif |
| 92 | int mib[2]; |
| 93 | size_t size_sys; |
| 94 | #ifdef HW_MEMSIZE |
| 95 | uint64_t val64 = 0; |
| 96 | #endif |
| 97 | total = 0; |
| 98 | |
| 99 | mib[0] = CTL_HW; |
| 100 | #ifdef HW_MEMSIZE |
| 101 | mib[1] = HW_MEMSIZE; |
| 102 | size_sys = sizeof(val64); |
| 103 | if (!sysctl(mib, 2, &val64, &size_sys, NULL, 0) && size_sys == sizeof(val64) && val64) { |
| 104 | total = val64; |
| 105 | } |
| 106 | #endif |
| 107 | |
| 108 | #if defined(__MACH__) |
| 109 | if (!total) { |
| 110 | host_name_port_t host = mach_host_self(); |
| 111 | mach_msg_type_number_t count; |
| 112 | |
| 113 | host_basic_info_data_t info; |
| 114 | count = HOST_BASIC_INFO_COUNT; |
| 115 | if (host_info(host, HOST_BASIC_INFO, (host_info_t)&info, &count) == KERN_SUCCESS) { |
| 116 | total = info.max_mem; |
| 117 | } |
| 118 | |
| 119 | mach_port_deallocate(mach_task_self(), host); |
| 120 | } |
| 121 | #endif |
| 122 | |
| 123 | if (!total) { |
| 124 | mib[1] = HW_PHYSMEM; |
| 125 | size_sys = sizeof(val); |
| 126 | if (!sysctl(mib, 2, &val, &size_sys, NULL, 0) && size_sys == sizeof(val) && val) { |
| 127 | total = val; |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | return total; |
| 132 | |
| 133 | #elif defined(_WIN32) |
| 134 | ///On Windows, but not Cygwin, the new GlobalMemoryStatusEx( ) function fills a 64-bit |
| 135 | ///safe MEMORYSTATUSEX struct with information about physical and virtual memory. Structure fields include: |
| 136 | MEMORYSTATUSEX status; |
no outgoing calls
no test coverage detected