844 lines
26 KiB
C++
844 lines
26 KiB
C++
/* sysconf.cc
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include "winsup.h"
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#include <unistd.h>
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#include <sys/param.h>
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#include <sys/sysinfo.h>
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#include "cygerrno.h"
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#include "security.h"
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#include "path.h"
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#include "fhandler.h"
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#include "dtable.h"
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#include "pinfo.h"
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#include "ntdll.h"
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#include "tls_pbuf.h"
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#include "cpuid.h"
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#include "clock.h"
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static long
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get_page_size (int in)
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{
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return wincap.allocation_granularity ();
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}
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static bool
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__nt_query_system (PSYSTEM_BASIC_INFORMATION psbi)
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{
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NTSTATUS status;
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status = NtQuerySystemInformation (SystemBasicInformation, (PVOID) psbi,
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sizeof *psbi, NULL);
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return NT_SUCCESS (status);
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}
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#define add_size(p,s) ((p) = ((__typeof__(p))((PBYTE)(p)+(s))))
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static long
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get_nproc_values (int in)
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{
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tmp_pathbuf tp;
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PSYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX lpi, plpi;
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DWORD lpi_size = NT_MAX_PATH;
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long cnt = 0;
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lpi = (PSYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX) tp.c_get ();
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if (!GetLogicalProcessorInformationEx (RelationGroup, lpi, &lpi_size))
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return -1;
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plpi = lpi;
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for (DWORD size = lpi_size; size > 0;
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size -= plpi->Size, add_size (plpi, plpi->Size))
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if (plpi->Relationship == RelationGroup)
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{
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for (WORD i = 0; i < plpi->Group.MaximumGroupCount; ++i)
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switch (in)
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{
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case _SC_NPROCESSORS_CONF:
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cnt += plpi->Group.GroupInfo[0].MaximumProcessorCount;
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break;
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case _SC_NPROCESSORS_ONLN:
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cnt += plpi->Group.GroupInfo[0].ActiveProcessorCount;
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break;
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}
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}
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return cnt;
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}
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static long
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get_phys_pages (int in)
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{
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SYSTEM_BASIC_INFORMATION sbi;
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if (!__nt_query_system (&sbi))
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return -1;
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return sbi.NumberOfPhysicalPages
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/ (wincap.allocation_granularity () / wincap.page_size ());
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}
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static long
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get_avphys (int in)
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{
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NTSTATUS status;
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SYSTEM_PERFORMANCE_INFORMATION spi;
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status = NtQuerySystemInformation (SystemPerformanceInformation,
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(PVOID) &spi, sizeof spi, NULL);
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if (!NT_SUCCESS (status))
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{
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__seterrno_from_nt_status (status);
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debug_printf ("NtQuerySystemInformation: status %y, %E", status);
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return -1;
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}
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return spi.AvailablePages
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/ (wincap.allocation_granularity () / wincap.page_size ());
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}
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enum cache_level
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{
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LevelNone,
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Level1I,
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Level1D,
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Level2,
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Level3,
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Level4
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};
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struct cpuid2_cache_desc
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{
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uint8_t desc;
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cache_level level;
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uint32_t size;
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uint32_t assoc;
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uint32_t linesize;
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};
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static const cpuid2_cache_desc cpuid2_cache_descriptor[] =
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{
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{ 0x06, Level1I, 8, 4, 32 },
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{ 0x08, Level1I, 16, 4, 32 },
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{ 0x09, Level1I, 32, 4, 64 },
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{ 0x0a, Level1D, 8, 2, 32 },
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{ 0x0c, Level1D, 16, 4, 32 },
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{ 0x0d, Level1D, 16, 4, 64 },
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{ 0x0e, Level1D, 24, 6, 64 },
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{ 0x21, Level2, 256, 8, 64 },
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{ 0x22, Level3, 512, 4, 64 },
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{ 0x23, Level3, 1024, 8, 64 },
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{ 0x25, Level3, 2048, 8, 64 },
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{ 0x29, Level3, 4096, 8, 64 },
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{ 0x2c, Level1D, 32, 8, 64 },
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{ 0x30, Level1I, 32, 8, 64 },
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{ 0x39, Level2, 128, 4, 64 },
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{ 0x3a, Level2, 192, 6, 64 },
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{ 0x3b, Level2, 128, 2, 64 },
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{ 0x3c, Level2, 256, 4, 64 },
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{ 0x3d, Level2, 384, 6, 64 },
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{ 0x3e, Level2, 512, 4, 64 },
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{ 0x3f, Level2, 256, 2, 64 },
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{ 0x41, Level2, 128, 4, 32 },
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{ 0x42, Level2, 256, 4, 32 },
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{ 0x43, Level2, 512, 4, 32 },
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{ 0x44, Level2, 1024, 4, 32 },
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{ 0x45, Level2, 2048, 4, 32 },
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{ 0x46, Level3, 4096, 4, 64 },
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{ 0x47, Level3, 8192, 8, 64 },
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{ 0x48, Level2, 3072, 12, 64 },
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{ 0x49, Level3, 4096, 16, 64 },
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{ 0x4a, Level3, 6144, 12, 64 },
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{ 0x4b, Level3, 8192, 16, 64 },
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{ 0x4c, Level3, 12288, 12, 64 },
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{ 0x4d, Level3, 16384, 16, 64 },
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{ 0x4e, Level2, 6144, 24, 64 },
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{ 0x60, Level1D, 16, 8, 64 },
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{ 0x66, Level1D, 8, 4, 64 },
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{ 0x67, Level1D, 16, 4, 64 },
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{ 0x68, Level1D, 32, 4, 64 },
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{ 0x78, Level2, 1024, 4, 64 },
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{ 0x79, Level2, 128, 8, 64 },
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{ 0x7a, Level2, 256, 8, 64 },
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{ 0x7b, Level2, 512, 8, 64 },
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{ 0x7c, Level2, 1024, 8, 64 },
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{ 0x7d, Level2, 2048, 8, 64 },
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{ 0x7f, Level2, 512, 2, 64 },
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{ 0x80, Level2, 512, 8, 64 },
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{ 0x82, Level2, 256, 8, 32 },
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{ 0x83, Level2, 512, 8, 32 },
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{ 0x84, Level2, 1024, 8, 32 },
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{ 0x85, Level2, 2048, 8, 32 },
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{ 0x86, Level2, 512, 4, 64 },
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{ 0x87, Level2, 1024, 8, 64 },
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{ 0xd0, Level3, 512, 4, 64 },
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{ 0xd1, Level3, 1024, 4, 64 },
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{ 0xd2, Level3, 2048, 4, 64 },
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{ 0xd6, Level3, 1024, 8, 64 },
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{ 0xd7, Level3, 2048, 8, 64 },
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{ 0xd8, Level3, 4096, 12, 64 },
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{ 0xdc, Level3, 2048, 12, 64 },
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{ 0xdd, Level3, 4096, 12, 64 },
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{ 0xde, Level3, 8192, 12, 64 },
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{ 0xe2, Level3, 2048, 16, 64 },
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{ 0xe3, Level3, 4096, 16, 64 },
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{ 0xe4, Level3, 8192, 16, 64 },
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{ 0xea, Level3, 12288, 24, 64 },
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{ 0xeb, Level3, 18432, 24, 64 },
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{ 0xec, Level3, 24576, 24, 64 },
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};
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static int
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cpuid2_cache_desc_compar (const void *key, const void *memb)
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{
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cpuid2_cache_desc *ckey = (cpuid2_cache_desc *) key;
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cpuid2_cache_desc *cmemb = (cpuid2_cache_desc *) memb;
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return ckey->desc - cmemb->desc;
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}
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static long
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get_cpu_cache_intel_cpuid2 (int in)
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{
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uint32_t reg[4];
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long ret = 0;
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int num;
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cpuid (reg, reg + 1, reg + 2, reg + 3, 0x00000002);
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num = reg[0] & 0xff;
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for (int i = 0; i < num; ++i)
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{
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cpuid (reg, reg + 1, reg + 2, reg + 3, 0x00000002);
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for (int r = 0; r < 4; ++r)
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{
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if (reg[r] & 0x80000000)
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continue;
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for (int b = (r == 0) ? 1 : 0; b < 4; ++b)
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{
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cpuid2_cache_desc key, *cdp;
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key.desc = ((uint8_t *) ®[r])[b];
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cdp = (cpuid2_cache_desc *)
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bsearch (&key, cpuid2_cache_descriptor,
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sizeof cpuid2_cache_descriptor
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/ sizeof *cpuid2_cache_descriptor,
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sizeof *cpuid2_cache_descriptor,
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cpuid2_cache_desc_compar);
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if (!cdp)
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continue;
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switch (in)
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{
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case _SC_LEVEL1_ICACHE_SIZE:
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if (cdp->level == Level1I)
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ret += cdp->size * 1024;
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break;
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case _SC_LEVEL1_ICACHE_ASSOC:
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if (cdp->level == Level1I)
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return cdp->assoc;
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break;
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case _SC_LEVEL1_ICACHE_LINESIZE:
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if (cdp->level == Level1I)
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return cdp->linesize;
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break;
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case _SC_LEVEL1_DCACHE_SIZE:
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if (cdp->level == Level1D)
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ret += cdp->size * 1024;
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break;
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case _SC_LEVEL1_DCACHE_ASSOC:
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if (cdp->level == Level1D)
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return cdp->assoc;
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break;
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case _SC_LEVEL1_DCACHE_LINESIZE:
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if (cdp->level == Level1D)
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return cdp->linesize;
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break;
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case _SC_LEVEL2_CACHE_SIZE:
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if (cdp->level == Level2)
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ret += cdp->size * 1024;
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break;
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case _SC_LEVEL2_CACHE_ASSOC:
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if (cdp->level == Level2)
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return cdp->assoc;
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break;
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case _SC_LEVEL2_CACHE_LINESIZE:
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if (cdp->level == Level2)
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return cdp->linesize;
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break;
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case _SC_LEVEL3_CACHE_SIZE:
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if (cdp->level == Level3)
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ret += cdp->size * 1024;
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break;
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case _SC_LEVEL3_CACHE_ASSOC:
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if (cdp->level == Level3)
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return cdp->assoc;
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break;
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case _SC_LEVEL3_CACHE_LINESIZE:
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if (cdp->level == Level3)
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return cdp->linesize;
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break;
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}
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}
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}
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}
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return ret;
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}
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static long
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get_cpu_cache_intel_cpuid4 (int in)
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{
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uint32_t eax, ebx, ecx, edx;
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long ret = 0;
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for (int idx = 0; ; ++idx)
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{
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uint32_t cache_type, cur_level, assoc, part, linesize, sets;
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cpuid (&eax, &ebx, &ecx, &edx, 0x00000004, idx);
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if ((cache_type = (eax & 0x1f))== 0)
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break;
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cur_level = ((eax >> 5) & 0x7);
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assoc = ((ebx >> 22) & 0x3ff) + 1;
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part = ((ebx >> 12) & 0x3ff) + 1;
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linesize = (ebx & 0xfff) + 1;
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sets = ecx + 1;
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switch (in)
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{
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case _SC_LEVEL1_ICACHE_SIZE:
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if (cur_level == 1 && cache_type == 2)
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ret += assoc * part * linesize * sets;
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break;
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case _SC_LEVEL1_ICACHE_ASSOC:
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if (cur_level == 1 && cache_type == 2)
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return assoc;
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break;
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case _SC_LEVEL1_ICACHE_LINESIZE:
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if (cur_level == 1 && cache_type == 2)
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return linesize;
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break;
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case _SC_LEVEL1_DCACHE_SIZE:
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if (cur_level == 1 && cache_type == 1)
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ret += assoc * part * linesize * sets;
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break;
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case _SC_LEVEL1_DCACHE_ASSOC:
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if (cur_level == 1 && cache_type == 1)
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return assoc;
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break;
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case _SC_LEVEL1_DCACHE_LINESIZE:
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if (cur_level == 1 && cache_type == 1)
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return linesize;
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break;
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case _SC_LEVEL2_CACHE_SIZE:
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if (cur_level == 2)
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ret += assoc * part * linesize * sets;
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break;
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case _SC_LEVEL2_CACHE_ASSOC:
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if (cur_level == 2)
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return assoc;
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break;
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case _SC_LEVEL2_CACHE_LINESIZE:
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if (cur_level == 2)
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return linesize;
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break;
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case _SC_LEVEL3_CACHE_SIZE:
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if (cur_level == 3)
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ret += assoc * part * linesize * sets;
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break;
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case _SC_LEVEL3_CACHE_ASSOC:
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if (cur_level == 3)
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return assoc;
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break;
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case _SC_LEVEL3_CACHE_LINESIZE:
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if (cur_level == 3)
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return linesize;
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break;
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}
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}
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return ret;
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}
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/* Also called from format_proc_cpuinfo */
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long
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get_cpu_cache_intel (int in, uint32_t maxf)
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{
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long ret = 0;
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switch (in)
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{
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case _SC_LEVEL1_ICACHE_SIZE:
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case _SC_LEVEL1_ICACHE_ASSOC:
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case _SC_LEVEL1_ICACHE_LINESIZE:
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case _SC_LEVEL1_DCACHE_SIZE:
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case _SC_LEVEL1_DCACHE_ASSOC:
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case _SC_LEVEL1_DCACHE_LINESIZE:
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case _SC_LEVEL2_CACHE_SIZE:
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case _SC_LEVEL2_CACHE_ASSOC:
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case _SC_LEVEL2_CACHE_LINESIZE:
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case _SC_LEVEL3_CACHE_SIZE:
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case _SC_LEVEL3_CACHE_ASSOC:
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case _SC_LEVEL3_CACHE_LINESIZE:
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if (maxf >= 4)
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ret = get_cpu_cache_intel_cpuid4 (in);
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else if (maxf >= 2)
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ret = get_cpu_cache_intel_cpuid2 (in);
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break;
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default:
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break;
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}
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return ret;
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}
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static const long assoc[16] = { 0, 1, 2, 2, 4, 4, 8, 8,
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16, 16, 32, 48, 64, 96, 128, 0x8000 };
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/* Also called from format_proc_cpuinfo */
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long
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get_cpu_cache_amd (int in, uint32_t maxe)
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{
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uint32_t eax, ebx, ecx, edx;
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long ret = 0;
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if (in >= _SC_LEVEL1_ICACHE_SIZE && in <= _SC_LEVEL1_DCACHE_LINESIZE
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&& maxe >= 0x80000005)
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cpuid (&eax, &ebx, &ecx, &edx, 0x80000005);
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else if (in >= _SC_LEVEL2_CACHE_SIZE && in <= _SC_LEVEL3_CACHE_LINESIZE
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&& maxe >= 0x80000006)
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cpuid (&eax, &ebx, &ecx, &edx, 0x80000006);
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else
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return 0;
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switch (in)
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{
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case _SC_LEVEL1_ICACHE_SIZE:
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ret = (edx & 0xff000000) >> 14;
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break;
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case _SC_LEVEL1_ICACHE_ASSOC:
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ret = (edx & 0xff0000) >> 16;
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if (ret == 0xff)
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ret = 0x8000;
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break;
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case _SC_LEVEL1_ICACHE_LINESIZE:
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ret = (edx & 0xff);
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break;
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case _SC_LEVEL1_DCACHE_SIZE:
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ret = (ecx & 0xff000000) >> 14;
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break;
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case _SC_LEVEL1_DCACHE_ASSOC:
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ret = (ecx & 0xff0000) >> 16;
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if (ret == 0xff)
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ret = 0x8000;
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break;
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case _SC_LEVEL1_DCACHE_LINESIZE:
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ret = (ecx & 0xff);
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break;
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case _SC_LEVEL2_CACHE_SIZE:
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ret = (ecx & 0xffff0000) >> 6;
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break;
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case _SC_LEVEL2_CACHE_ASSOC:
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ret = assoc[(ecx & 0xf000) >> 12];
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break;
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case _SC_LEVEL2_CACHE_LINESIZE:
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ret = (ecx & 0xff);
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break;
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case _SC_LEVEL3_CACHE_SIZE:
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ret = (long) ((edx & 0xfffc0000) >> 18) * 512 * 1024;
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break;
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case _SC_LEVEL3_CACHE_ASSOC:
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ret = assoc[(edx & 0xf000) >> 12];
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break;
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case _SC_LEVEL3_CACHE_LINESIZE:
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ret = (edx & 0xff);
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break;
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default:
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break;
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}
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return ret;
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}
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|
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static long
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get_cpu_cache (int in)
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{
|
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uint32_t maxf, vendor_id[4];
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cpuid (&maxf, &vendor_id[0], &vendor_id[2], &vendor_id[1], 0x00000000);
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vendor_id[3] = 0;
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if (!strcmp ((char*) vendor_id, "GenuineIntel"))
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return get_cpu_cache_intel (in, maxf & 0xffff);
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else if (!strcmp ((char*)vendor_id, "AuthenticAMD")
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|| !strcmp((char*)vendor_id, "HygonGenuine"))
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{
|
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uint32_t maxe = 0, unused;
|
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cpuid (&maxe, &unused, &unused, &unused, 0x80000000);
|
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return get_cpu_cache_amd (in, maxe);
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}
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return 0;
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}
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|
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enum sc_type { cons, func };
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|
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static struct
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|
{
|
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sc_type type;
|
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union
|
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{
|
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long c;
|
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long (*f)(int);
|
|
};
|
|
} sca[] =
|
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{
|
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{cons, {c:ARG_MAX}}, /* 0, _SC_ARG_MAX */
|
|
{cons, {c:CHILD_MAX}}, /* 1, _SC_CHILD_MAX */
|
|
{cons, {c:CLOCKS_PER_SEC}}, /* 2, _SC_CLK_TCK */
|
|
{cons, {c:NGROUPS_MAX}}, /* 3, _SC_NGROUPS_MAX */
|
|
{cons, {c:OPEN_MAX}}, /* 4, _SC_OPEN_MAX */
|
|
{cons, {c:_POSIX_JOB_CONTROL}}, /* 5, _SC_JOB_CONTROL */
|
|
{cons, {c:_POSIX_SAVED_IDS}}, /* 6, _SC_SAVED_IDS */
|
|
{cons, {c:_POSIX_VERSION}}, /* 7, _SC_VERSION */
|
|
{func, {f:get_page_size}}, /* 8, _SC_PAGESIZE */
|
|
{func, {f:get_nproc_values}}, /* 9, _SC_NPROCESSORS_CONF */
|
|
{func, {f:get_nproc_values}}, /* 10, _SC_NPROCESSORS_ONLN */
|
|
{func, {f:get_phys_pages}}, /* 11, _SC_PHYS_PAGES */
|
|
{func, {f:get_avphys}}, /* 12, _SC_AVPHYS_PAGES */
|
|
{cons, {c:MQ_OPEN_MAX}}, /* 13, _SC_MQ_OPEN_MAX */
|
|
{cons, {c:MQ_PRIO_MAX}}, /* 14, _SC_MQ_PRIO_MAX */
|
|
{cons, {c:RTSIG_MAX}}, /* 15, _SC_RTSIG_MAX */
|
|
{cons, {c:-1L}}, /* 16, _SC_SEM_NSEMS_MAX */
|
|
{cons, {c:SEM_VALUE_MAX}}, /* 17, _SC_SEM_VALUE_MAX */
|
|
{cons, {c:SIGQUEUE_MAX}}, /* 18, _SC_SIGQUEUE_MAX */
|
|
{cons, {c:TIMER_MAX}}, /* 19, _SC_TIMER_MAX */
|
|
{cons, {c:-1L}}, /* 20, _SC_TZNAME_MAX */
|
|
{cons, {c:_POSIX_ASYNCHRONOUS_IO}}, /* 21, _SC_ASYNCHRONOUS_IO */
|
|
{cons, {c:_POSIX_FSYNC}}, /* 22, _SC_FSYNC */
|
|
{cons, {c:_POSIX_MAPPED_FILES}}, /* 23, _SC_MAPPED_FILES */
|
|
{cons, {c:-1L}}, /* 24, _SC_MEMLOCK */
|
|
{cons, {c:_POSIX_MEMLOCK_RANGE}}, /* 25, _SC_MEMLOCK_RANGE */
|
|
{cons, {c:_POSIX_MEMORY_PROTECTION}}, /* 26, _SC_MEMORY_PROTECTION */
|
|
{cons, {c:_POSIX_MESSAGE_PASSING}}, /* 27, _SC_MESSAGE_PASSING */
|
|
{cons, {c:-1L}}, /* 28, _SC_PRIORITIZED_IO */
|
|
{cons, {c:_POSIX_REALTIME_SIGNALS}}, /* 29, _SC_REALTIME_SIGNALS */
|
|
{cons, {c:_POSIX_SEMAPHORES}}, /* 30, _SC_SEMAPHORES */
|
|
{cons, {c:_POSIX_SHARED_MEMORY_OBJECTS}}, /* 31, _SC_SHARED_MEMORY_OBJECTS */
|
|
{cons, {c:_POSIX_SYNCHRONIZED_IO}}, /* 32, _SC_SYNCHRONIZED_IO */
|
|
{cons, {c:_POSIX_TIMERS}}, /* 33, _SC_TIMERS */
|
|
{cons, {c:AIO_LISTIO_MAX}}, /* 34, _SC_AIO_LISTIO_MAX */
|
|
{cons, {c:AIO_MAX}}, /* 35, _SC_AIO_MAX */
|
|
{cons, {c:AIO_PRIO_DELTA_MAX}}, /* 36, _SC_AIO_PRIO_DELTA_MAX */
|
|
{cons, {c:DELAYTIMER_MAX}}, /* 37, _SC_DELAYTIMER_MAX */
|
|
{cons, {c:PTHREAD_KEYS_MAX}}, /* 38, _SC_THREAD_KEYS_MAX */
|
|
{cons, {c:PTHREAD_STACK_MIN}}, /* 39, _SC_THREAD_STACK_MIN */
|
|
{cons, {c:-1L}}, /* 40, _SC_THREAD_THREADS_MAX */
|
|
{cons, {c:TTY_NAME_MAX}}, /* 41, _SC_TTY_NAME_MAX */
|
|
{cons, {c:_POSIX_THREADS}}, /* 42, _SC_THREADS */
|
|
{cons, {c:_POSIX_THREAD_ATTR_STACKADDR}},/* 43, _SC_THREAD_ATTR_STACKADDR */
|
|
{cons, {c:_POSIX_THREAD_ATTR_STACKSIZE}},/* 44, _SC_THREAD_ATTR_STACKSIZE */
|
|
{cons, {c:_POSIX_THREAD_PRIORITY_SCHEDULING}}, /* 45, _SC_THREAD_PRIORITY_SCHEDULING */
|
|
{cons, {c:-1L}}, /* 46, _SC_THREAD_PRIO_INHERIT */
|
|
{cons, {c:-1L}}, /* 47, _SC_THREAD_PRIO_PROTECT */
|
|
{cons, {c:_POSIX_THREAD_PROCESS_SHARED}}, /* 48, _SC_THREAD_PROCESS_SHARED */
|
|
{cons, {c:_POSIX_THREAD_SAFE_FUNCTIONS}}, /* 49, _SC_THREAD_SAFE_FUNCTIONS */
|
|
{cons, {c:16384L}}, /* 50, _SC_GETGR_R_SIZE_MAX */
|
|
{cons, {c:16384L}}, /* 51, _SC_GETPW_R_SIZE_MAX */
|
|
{cons, {c:LOGIN_NAME_MAX}}, /* 52, _SC_LOGIN_NAME_MAX */
|
|
{cons, {c:PTHREAD_DESTRUCTOR_ITERATIONS}}, /* 53, _SC_THREAD_DESTRUCTOR_ITERATIONS */
|
|
{cons, {c:_POSIX_ADVISORY_INFO}}, /* 54, _SC_ADVISORY_INFO */
|
|
{cons, {c:ATEXIT_MAX}}, /* 55, _SC_ATEXIT_MAX */
|
|
{cons, {c:_POSIX_BARRIERS}}, /* 56, _SC_BARRIERS */
|
|
{cons, {c:BC_BASE_MAX}}, /* 57, _SC_BC_BASE_MAX */
|
|
{cons, {c:BC_DIM_MAX}}, /* 58, _SC_BC_DIM_MAX */
|
|
{cons, {c:BC_SCALE_MAX}}, /* 59, _SC_BC_SCALE_MAX */
|
|
{cons, {c:BC_STRING_MAX}}, /* 60, _SC_BC_STRING_MAX */
|
|
{cons, {c:_POSIX_CLOCK_SELECTION}}, /* 61, _SC_CLOCK_SELECTION */
|
|
{cons, {c:-1L}}, /* 62, _SC_COLL_WEIGHTS_MAX */
|
|
{cons, {c:_POSIX_CPUTIME}}, /* 63, _SC_CPUTIME */
|
|
{cons, {c:EXPR_NEST_MAX}}, /* 64, _SC_EXPR_NEST_MAX */
|
|
{cons, {c:HOST_NAME_MAX}}, /* 65, _SC_HOST_NAME_MAX */
|
|
{cons, {c:IOV_MAX}}, /* 66, _SC_IOV_MAX */
|
|
{cons, {c:_POSIX_IPV6}}, /* 67, _SC_IPV6 */
|
|
{cons, {c:LINE_MAX}}, /* 68, _SC_LINE_MAX */
|
|
{cons, {c:_POSIX_MONOTONIC_CLOCK}}, /* 69, _SC_MONOTONIC_CLOCK */
|
|
{cons, {c:_POSIX_RAW_SOCKETS}}, /* 70, _SC_RAW_SOCKETS */
|
|
{cons, {c:_POSIX_READER_WRITER_LOCKS}}, /* 71, _SC_READER_WRITER_LOCKS */
|
|
{cons, {c:_POSIX_REGEXP}}, /* 72, _SC_REGEXP */
|
|
{cons, {c:RE_DUP_MAX}}, /* 73, _SC_RE_DUP_MAX */
|
|
{cons, {c:_POSIX_SHELL}}, /* 74, _SC_SHELL */
|
|
{cons, {c:_POSIX_SPAWN}}, /* 75, _SC_SPAWN */
|
|
{cons, {c:_POSIX_SPIN_LOCKS}}, /* 76, _SC_SPIN_LOCKS */
|
|
{cons, {c:-1L}}, /* 77, _SC_SPORADIC_SERVER */
|
|
{cons, {c:-1L}}, /* 78, _SC_SS_REPL_MAX */
|
|
{cons, {c:SYMLOOP_MAX}}, /* 79, _SC_SYMLOOP_MAX */
|
|
{cons, {c:_POSIX_THREAD_CPUTIME}}, /* 80, _SC_THREAD_CPUTIME */
|
|
{cons, {c:-1L}}, /* 81, _SC_THREAD_SPORADIC_SERVER */
|
|
{cons, {c:_POSIX_TIMEOUTS}}, /* 82, _SC_TIMEOUTS */
|
|
{cons, {c:-1L}}, /* 83, _SC_TRACE */
|
|
{cons, {c:-1L}}, /* 84, _SC_TRACE_EVENT_FILTER */
|
|
{cons, {c:-1}}, /* 85, _SC_TRACE_EVENT_NAME_MAX */
|
|
{cons, {c:-1L}}, /* 86, _SC_TRACE_INHERIT */
|
|
{cons, {c:-1L}}, /* 87, _SC_TRACE_LOG */
|
|
{cons, {c:-1L}}, /* 88, _SC_TRACE_NAME_MAX */
|
|
{cons, {c:-1L}}, /* 89, _SC_TRACE_SYS_MAX */
|
|
{cons, {c:-1L}}, /* 90, _SC_TRACE_USER_EVENT_MAX */
|
|
{cons, {c:-1L}}, /* 91, _SC_TYPED_MEMORY_OBJECTS */
|
|
{cons, {c:_POSIX_V6_ILP32_OFF32}}, /* 92, _SC_V6_ILP32_OFF32 */
|
|
{cons, {c:_POSIX_V6_ILP32_OFFBIG}}, /* 93, _SC_V6_ILP32_OFFBIG */
|
|
{cons, {c:_POSIX_V6_LP64_OFF64}}, /* 94, _SC_V6_LP64_OFF64 */
|
|
{cons, {c:_POSIX_V6_LPBIG_OFFBIG}}, /* 95, _SC_V6_LPBIG_OFFBIG */
|
|
{cons, {c:_XOPEN_CRYPT}}, /* 96, _SC_XOPEN_CRYPT */
|
|
{cons, {c:_XOPEN_ENH_I18N}}, /* 97, _SC_XOPEN_ENH_I18N */
|
|
{cons, {c:-1L}}, /* 98, _SC_XOPEN_LEGACY */
|
|
{cons, {c:-1L}}, /* 99, _SC_XOPEN_REALTIME */
|
|
{cons, {c:STREAM_MAX}}, /* 100, _SC_STREAM_MAX */
|
|
{cons, {c:_POSIX_PRIORITY_SCHEDULING}}, /* 101, _SC_PRIORITY_SCHEDULING */
|
|
{cons, {c:-1L}}, /* 102, _SC_XOPEN_REALTIME_THREADS */
|
|
{cons, {c:_XOPEN_SHM}}, /* 103, _SC_XOPEN_SHM */
|
|
{cons, {c:-1L}}, /* 104, _SC_XOPEN_STREAMS */
|
|
{cons, {c:-1L}}, /* 105, _SC_XOPEN_UNIX */
|
|
{cons, {c:_XOPEN_VERSION}}, /* 106, _SC_XOPEN_VERSION */
|
|
{cons, {c:_POSIX2_CHAR_TERM}}, /* 107, _SC_2_CHAR_TERM */
|
|
{cons, {c:_POSIX2_C_BIND}}, /* 108, _SC_2_C_BIND */
|
|
{cons, {c:_POSIX2_C_DEV}}, /* 109, _SC_2_C_DEV */
|
|
{cons, {c:-1L}}, /* 110, _SC_2_FORT_DEV */
|
|
{cons, {c:-1L}}, /* 111, _SC_2_FORT_RUN */
|
|
{cons, {c:-1L}}, /* 112, _SC_2_LOCALEDEF */
|
|
{cons, {c:-1L}}, /* 113, _SC_2_PBS */
|
|
{cons, {c:-1L}}, /* 114, _SC_2_PBS_ACCOUNTING */
|
|
{cons, {c:-1L}}, /* 115, _SC_2_PBS_CHECKPOINT */
|
|
{cons, {c:-1L}}, /* 116, _SC_2_PBS_LOCATE */
|
|
{cons, {c:-1L}}, /* 117, _SC_2_PBS_MESSAGE */
|
|
{cons, {c:-1L}}, /* 118, _SC_2_PBS_TRACK */
|
|
{cons, {c:_POSIX2_SW_DEV}}, /* 119, _SC_2_SW_DEV */
|
|
{cons, {c:_POSIX2_UPE}}, /* 120, _SC_2_UPE */
|
|
{cons, {c:_POSIX2_VERSION}}, /* 121, _SC_2_VERSION */
|
|
{cons, {c:-1L}}, /* 122, _SC_THREAD_ROBUST_PRIO_INHERIT */
|
|
{cons, {c:-1L}}, /* 123, _SC_THREAD_ROBUST_PRIO_PROTECT */
|
|
{cons, {c:-1L}}, /* 124, _SC_XOPEN_UUCP */
|
|
{func, {f:get_cpu_cache}}, /* 125, _SC_LEVEL1_ICACHE_SIZE */
|
|
{func, {f:get_cpu_cache}}, /* 126, _SC_LEVEL1_ICACHE_ASSOC */
|
|
{func, {f:get_cpu_cache}}, /* 127, _SC_LEVEL1_ICACHE_LINESIZE */
|
|
{func, {f:get_cpu_cache}}, /* 128, _SC_LEVEL1_DCACHE_SIZE */
|
|
{func, {f:get_cpu_cache}}, /* 129, _SC_LEVEL1_DCACHE_ASSOC */
|
|
{func, {f:get_cpu_cache}}, /* 130, _SC_LEVEL1_DCACHE_LINESIZE */
|
|
{func, {f:get_cpu_cache}}, /* 131, _SC_LEVEL2_CACHE_SIZE */
|
|
{func, {f:get_cpu_cache}}, /* 132, _SC_LEVEL2_CACHE_ASSOC */
|
|
{func, {f:get_cpu_cache}}, /* 133, _SC_LEVEL2_CACHE_LINESIZE */
|
|
{func, {f:get_cpu_cache}}, /* 134, _SC_LEVEL3_CACHE_SIZE */
|
|
{func, {f:get_cpu_cache}}, /* 135, _SC_LEVEL3_CACHE_ASSOC */
|
|
{func, {f:get_cpu_cache}}, /* 136, _SC_LEVEL3_CACHE_LINESIZE */
|
|
{func, {f:get_cpu_cache}}, /* 137, _SC_LEVEL4_CACHE_SIZE */
|
|
{func, {f:get_cpu_cache}}, /* 138, _SC_LEVEL4_CACHE_ASSOC */
|
|
{func, {f:get_cpu_cache}}, /* 139, _SC_LEVEL4_CACHE_LINESIZE */
|
|
};
|
|
|
|
#define SC_MIN _SC_ARG_MAX
|
|
#define SC_MAX _SC_LEVEL4_CACHE_LINESIZE
|
|
|
|
/* sysconf: POSIX 4.8.1.1 */
|
|
/* Allows a portable app to determine quantities of resources or
|
|
presence of an option at execution time. */
|
|
long int
|
|
sysconf (int in)
|
|
{
|
|
if (in >= SC_MIN && in <= SC_MAX)
|
|
{
|
|
switch (sca[in].type)
|
|
{
|
|
case cons:
|
|
return sca[in].c;
|
|
case func:
|
|
return sca[in].f (in);
|
|
}
|
|
}
|
|
/* Unimplemented sysconf name or invalid option value. */
|
|
set_errno (EINVAL);
|
|
return -1L;
|
|
}
|
|
|
|
#define ls(s) sizeof(s),s
|
|
|
|
static struct
|
|
{
|
|
size_t l;
|
|
const char *s;
|
|
} csa[] =
|
|
{
|
|
{ls ("/bin:/usr/bin")}, /* _CS_PATH */
|
|
{0, NULL}, /* _CS_POSIX_V6_ILP32_OFF32_CFLAGS */
|
|
{0, NULL}, /* _CS_POSIX_V6_ILP32_OFF32_LDFLAGS */
|
|
{0, NULL}, /* _CS_POSIX_V6_ILP32_OFF32_LIBS */
|
|
{0, NULL}, /* _CS_XBS5_ILP32_OFF32_LINTFLAGS */
|
|
#ifdef __x86_64__
|
|
{0, NULL}, /* _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS */
|
|
{0, NULL}, /* _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS */
|
|
{0, NULL}, /* _CS_POSIX_V6_ILP32_OFFBIG_LIBS */
|
|
{0, NULL}, /* _CS_XBS5_ILP32_OFFBIG_LINTFLAGS */
|
|
{ls ("")}, /* _CS_POSIX_V6_LP64_OFF64_CFLAGS */
|
|
{ls ("")}, /* _CS_POSIX_V6_LP64_OFF64_LDFLAGS */
|
|
{ls ("")}, /* _CS_POSIX_V6_LP64_OFF64_LIBS */
|
|
{ls ("")}, /* _CS_XBS5_LP64_OFF64_LINTFLAGS */
|
|
{ls ("")}, /* _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS */
|
|
{ls ("")}, /* _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS */
|
|
{ls ("")}, /* _CS_POSIX_V6_LPBIG_OFFBIG_LIBS */
|
|
{ls ("")}, /* _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS */
|
|
{ls ("POSIX_V6_LP64_OFF64")}, /* _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS */
|
|
#else
|
|
{ls ("")}, /* _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS */
|
|
{ls ("")}, /* _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS */
|
|
{ls ("")}, /* _CS_POSIX_V6_ILP32_OFFBIG_LIBS */
|
|
{ls ("")}, /* _CS_XBS5_ILP32_OFFBIG_LINTFLAGS */
|
|
{0, NULL}, /* _CS_POSIX_V6_LP64_OFF64_CFLAGS */
|
|
{0, NULL}, /* _CS_POSIX_V6_LP64_OFF64_LDFLAGS */
|
|
{0, NULL}, /* _CS_POSIX_V6_LP64_OFF64_LIBS */
|
|
{0, NULL}, /* _CS_XBS5_LP64_OFF64_LINTFLAGS */
|
|
{0, NULL}, /* _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS */
|
|
{0, NULL}, /* _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS */
|
|
{0, NULL}, /* _CS_POSIX_V6_LPBIG_OFFBIG_LIBS */
|
|
{0, NULL}, /* _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS */
|
|
{ls ("POSIX_V6_ILP32_OFFBIG")}, /* _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS */
|
|
#endif
|
|
{ls ("")}, /* _CS_POSIX_V7_THREADS_CFLAGS */
|
|
{ls ("")}, /* _CS_POSIX_V7_THREADS_LDFLAGS */
|
|
{ls ("POSIXLY_CORRECT=1")}, /* _CS_V7_ENV */
|
|
{ls ("")}, /* _CS_LFS_CFLAGS */
|
|
{ls ("")}, /* _CS_LFS_LDFLAGS */
|
|
{ls ("")}, /* _CS_LFS_LIBS */
|
|
{ls ("")}, /* _CS_LFS_LINTFLAGS */
|
|
};
|
|
|
|
#define CS_MIN _CS_PATH
|
|
#define CS_MAX _CS_LFS_LINTFLAGS
|
|
|
|
extern "C" size_t
|
|
confstr (int in, char *buf, size_t len)
|
|
{
|
|
if (in >= CS_MIN && in <= CS_MAX)
|
|
{
|
|
if (csa[in].l && len)
|
|
{
|
|
buf[0] = 0;
|
|
strncat (buf, csa[in].s, MIN (len, csa[in].l) - 1);
|
|
}
|
|
return csa[in].l;
|
|
}
|
|
/* Invalid option value. */
|
|
set_errno (EINVAL);
|
|
return 0;
|
|
}
|
|
|
|
extern "C" int
|
|
get_nprocs_conf (void)
|
|
{
|
|
return get_nproc_values (_SC_NPROCESSORS_CONF);
|
|
}
|
|
|
|
extern "C" int
|
|
get_nprocs (void)
|
|
{
|
|
return get_nproc_values (_SC_NPROCESSORS_ONLN);
|
|
}
|
|
|
|
extern "C" long
|
|
get_phys_pages (void)
|
|
{
|
|
return get_phys_pages (_SC_PHYS_PAGES);
|
|
}
|
|
|
|
extern "C" long
|
|
get_avphys_pages (void)
|
|
{
|
|
return get_avphys (_SC_AVPHYS_PAGES);
|
|
}
|
|
|
|
extern "C" int
|
|
sysinfo (struct sysinfo *info)
|
|
{
|
|
unsigned long long uptime = 0ULL, totalram = 0ULL, freeram = 0ULL,
|
|
totalswap = 0ULL, freeswap = 0ULL;
|
|
MEMORYSTATUSEX memory_status;
|
|
PSYSTEM_PAGEFILE_INFORMATION spi = NULL;
|
|
ULONG sizeof_spi = 512;
|
|
PSYSTEM_TIMEOFDAY_INFORMATION stodi = NULL;
|
|
const ULONG sizeof_stodi = sizeof (SYSTEM_TIMEOFDAY_INFORMATION);
|
|
NTSTATUS status = STATUS_SUCCESS;
|
|
winpids pids ((DWORD) 0);
|
|
|
|
if (!info)
|
|
{
|
|
set_errno (EFAULT);
|
|
return -1;
|
|
}
|
|
|
|
stodi = (PSYSTEM_TIMEOFDAY_INFORMATION) malloc (sizeof_stodi);
|
|
status = NtQuerySystemInformation (SystemTimeOfDayInformation, (PVOID) stodi,
|
|
sizeof_stodi, NULL);
|
|
if (NT_SUCCESS (status))
|
|
uptime = (stodi->CurrentTime.QuadPart - stodi->BootTime.QuadPart)
|
|
/ NS100PERSEC;
|
|
else
|
|
debug_printf ("NtQuerySystemInformation(SystemTimeOfDayInformation), "
|
|
"status %y", status);
|
|
|
|
if (stodi)
|
|
free (stodi);
|
|
|
|
memory_status.dwLength = sizeof (MEMORYSTATUSEX);
|
|
GlobalMemoryStatusEx (&memory_status);
|
|
totalram = memory_status.ullTotalPhys / wincap.page_size ();
|
|
freeram = memory_status.ullAvailPhys / wincap.page_size ();
|
|
|
|
spi = (PSYSTEM_PAGEFILE_INFORMATION) malloc (sizeof_spi);
|
|
if (spi)
|
|
{
|
|
status = NtQuerySystemInformation (SystemPagefileInformation, (PVOID) spi,
|
|
sizeof_spi, &sizeof_spi);
|
|
if (status == STATUS_INFO_LENGTH_MISMATCH)
|
|
{
|
|
free (spi);
|
|
spi = (PSYSTEM_PAGEFILE_INFORMATION) malloc (sizeof_spi);
|
|
if (spi)
|
|
status = NtQuerySystemInformation (SystemPagefileInformation,
|
|
(PVOID) spi, sizeof_spi,
|
|
&sizeof_spi);
|
|
}
|
|
}
|
|
if (!spi || !NT_SUCCESS (status))
|
|
{
|
|
debug_printf ("NtQuerySystemInformation(SystemPagefileInformation), "
|
|
"status %y", status);
|
|
totalswap = (memory_status.ullTotalPageFile - memory_status.ullTotalPhys)
|
|
/ wincap.page_size ();
|
|
freeswap = (memory_status.ullAvailPageFile - memory_status.ullTotalPhys)
|
|
/ wincap.page_size ();
|
|
}
|
|
else
|
|
{
|
|
PSYSTEM_PAGEFILE_INFORMATION spp = spi;
|
|
do
|
|
{
|
|
totalswap += spp->CurrentSize;
|
|
freeswap += spp->CurrentSize - spp->TotalUsed;
|
|
}
|
|
while (spp->NextEntryOffset
|
|
&& (spp = (PSYSTEM_PAGEFILE_INFORMATION)
|
|
((char *) spp + spp->NextEntryOffset)));
|
|
}
|
|
if (spi)
|
|
free (spi);
|
|
|
|
info->uptime = (long) uptime;
|
|
info->totalram = (unsigned long) totalram;
|
|
info->freeram = (unsigned long) freeram;
|
|
info->totalswap = (unsigned long) totalswap;
|
|
info->freeswap = (unsigned long) freeswap;
|
|
info->procs = (unsigned short) pids.npids;
|
|
info->mem_unit = (unsigned int) wincap.page_size ();
|
|
|
|
/* FIXME: unsupported */
|
|
info->loads[0] = 0UL;
|
|
info->loads[1] = 0UL;
|
|
info->loads[2] = 0UL;
|
|
info->sharedram = 0UL;
|
|
info->bufferram = 0UL;
|
|
info->totalhigh = 0UL;
|
|
info->freehigh = 0UL;
|
|
|
|
return 0;
|
|
}
|