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common: add sysconf() fallback
src/common/memory_detect.cpp:15:10: fatal error: 'sys/sysinfo.h' file not found #include <sys/sysinfo.h> ^~~~~~~~~~~~~~~
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1 changed files with 16 additions and 3 deletions
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@ -9,10 +9,12 @@
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// clang-format on
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#else
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#include <sys/types.h>
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#ifdef __APPLE__
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#if defined(__APPLE__) || defined(__FreeBSD__)
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#include <sys/sysctl.h>
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#else
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#elif defined(__linux__)
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#include <sys/sysinfo.h>
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#else
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#include <unistd.h>
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#endif
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#endif
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@ -42,11 +44,22 @@ static MemoryInfo Detect() {
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sysctlbyname("vm.swapusage", &vmusage, &sizeof_vmusage, NULL, 0);
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mem_info.TotalPhysicalMemory = ramsize;
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mem_info.TotalSwapMemory = vmusage.xsu_total;
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#else
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#elif defined(__FreeBSD__)
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u_long physmem, swap_total;
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std::size_t sizeof_u_long = sizeof(u_long);
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// sysctlbyname(const char *, void *, size_t *, const void *, size_t);
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sysctlbyname("hw.physmem", &physmem, &sizeof_u_long, NULL, 0);
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sysctlbyname("vm.swap_total", &swap_total, &sizeof_u_long, NULL, 0);
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mem_info.TotalPhysicalMemory = physmem;
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mem_info.TotalSwapMemory = swap_total;
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#elif defined(__linux__)
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struct sysinfo meminfo;
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sysinfo(&meminfo);
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mem_info.TotalPhysicalMemory = meminfo.totalram;
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mem_info.TotalSwapMemory = meminfo.totalswap;
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#else
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mem_info.TotalPhysicalMemory = sysconf(_SC_PHYS_PAGES) * sysconf(_SC_PAGE_SIZE);
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mem_info.TotalSwapMemory = 0;
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#endif
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return mem_info;
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