mirror of
https://github.com/matrix-construct/construct
synced 2024-11-25 16:22:35 +01:00
ircd::info: Additional execution specific; reorg hardware/system related.
ircd::info: Sample hardware cache characteristics.
This commit is contained in:
Jason Volk
parent
175c1d817d
commit
398fb026b0
2 changed files with 550 additions and 79 deletions
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@ -39,10 +39,16 @@ namespace ircd::info
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extern const string_view branch;
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extern const string_view commit;
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extern const time_t configured_time;
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extern const time_t startup_time;
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extern const string_view configured;
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extern const string_view compiled;
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extern const string_view startup;
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// Toolchain and library information
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extern const versions gnuc_version;
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extern const versions clang_version;
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extern const versions glibc_version_api;
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extern const versions glibc_version_abi;
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extern const versions glibcxx_version_api;
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extern const versions sd6_version;
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// System configuration / information
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extern const size_t page_size;
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@ -62,14 +68,16 @@ namespace ircd::info
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extern const string_view kernel_name;
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extern const string_view kernel_release;
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extern const versions kernel_version;
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extern const intptr_t vsyscall_p;
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extern const intptr_t vdso_p;
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// Toolchain and library information
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extern const versions gnuc_version;
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extern const versions clang_version;
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extern const versions glibc_version_api;
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extern const versions glibc_version_abi;
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extern const versions glibcxx_version_api;
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extern const versions sd6_version;
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// Execution information
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extern const time_t startup_time;
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extern const string_view startup;
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extern const uint64_t random;
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extern const uint uid, euid;
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extern const uint gid, egid;
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extern const bool secure;
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}
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namespace ircd::info::hardware
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@ -78,17 +86,31 @@ namespace ircd::info::hardware
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extern const size_t hardware_concurrency;
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extern const size_t destructive_interference;
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extern const size_t constructive_interference;
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extern const size_t inst_blksz, data_blksz, uni_blksz;
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extern const size_t l1i, l1i_line, l1i_tag, l1i_assoc;
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extern const size_t l1i_tlb, l1i_tlb_assoc;
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extern const size_t l1d, l1d_line, l1d_tag, l1d_assoc;
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extern const size_t l1d_tlb, l1d_tlb_assoc;
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extern const size_t l2, l2_line, l2_tag, l2_assoc;
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extern const size_t l2_itlb, l2_itlb_assoc;
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extern const size_t l2_dtlb, l2_dtlb_assoc;
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extern const size_t l3, l3_line, l3_tag, l3_assoc;
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extern const size_t page_size;
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extern const ulonglong cap[2];
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}
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namespace ircd::info::hardware::x86
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{
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uint128_t cpuid(const uint &leaf, const uint &subleaf);
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uint8_t llc_assoc(const uint8_t) noexcept;
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uint128_t cpuid(const uint &leaf, const uint &subleaf) noexcept;
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extern const uint128_t manufact;
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extern const uint128_t features;
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extern const uint128_t extended_features;
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extern const uint128_t _manufact;
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extern const uint128_t _features;
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extern const uint128_t _l1cache;
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extern const uint128_t _llcache;
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extern const uint128_t _apmi;
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extern const uint128_t _lwp;
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571
ircd/info.cc
571
ircd/info.cc
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@ -10,6 +10,7 @@
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#include <RB_INC_UNISTD_H
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#include <RB_INC_CPUID_H
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#include <RB_INC_SYS_AUXV_H
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#include <RB_INC_SYS_SYSINFO_H
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#include <RB_INC_GNU_LIBC_VERSION_H
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@ -145,25 +146,89 @@ ircd::info::dump_cpu_info()
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};
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#endif
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// This message flashes language standard information about this platform
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#ifdef RB_DEBUG
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log::logf
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char pbuf[6][48];
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log::info
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{
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log::star, log::DEBUG,
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"max_align=%zu hw_conc=%zu d_inter=%zu c_inter=%zu",
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hardware::max_align,
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hardware::hardware_concurrency,
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hardware::destructive_interference,
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hardware::constructive_interference,
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log::star,
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"L1i %s L1d %s L2 %s L3 %s RAM %s SWAP %s",
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pretty(pbuf[0], iec(hardware::l1i)),
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pretty(pbuf[1], iec(hardware::l1d)),
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pretty(pbuf[2], iec(hardware::l2)),
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pretty(pbuf[3], iec(hardware::l3)),
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pretty(pbuf[4], iec(total_ram)),
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pretty(pbuf[5], iec(total_swap)),
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};
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#endif
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if(!ircd::debugmode)
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return;
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log::debug
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log::logf
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{
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log::star,
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log::star, log::DEBUG,
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"L1i %s line=%u assoc=%u line/tag=%u tlb=%u assoc=%u ",
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pretty(pbuf[0], iec(hardware::l1i)),
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hardware::l1i_line,
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hardware::l1i_assoc,
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hardware::l1i_tag,
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hardware::l1i_tlb,
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hardware::l1i_tlb_assoc,
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};
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log::logf
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{
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log::star, log::DEBUG,
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"L1d %s line=%u assoc=%u line/tag=%u tlb=%u assoc=%u",
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pretty(pbuf[0], iec(hardware::l1d)),
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hardware::l1d_line,
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hardware::l1d_assoc,
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hardware::l1d_tag,
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hardware::l1d_tlb,
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hardware::l1d_tlb_assoc,
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};
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log::logf
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{
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log::star, log::DEBUG,
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"L2 %s line=%u assoc=%u line/tag=%u itlb=%u assoc=%u dtlb=%u assoc=%u",
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pretty(pbuf[0], iec(hardware::l2)),
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hardware::l2_line,
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hardware::l2_assoc,
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hardware::l2_tag,
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hardware::l2_itlb,
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hardware::l2_itlb_assoc,
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hardware::l2_dtlb,
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hardware::l2_dtlb_assoc,
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};
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log::logf
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{
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log::star, log::DEBUG,
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"L3 %s line=%u assoc=%u line/tag=%u",
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pretty(pbuf[0], iec(hardware::l3)),
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hardware::l3_line,
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hardware::l3_assoc,
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hardware::l3_tag,
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};
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// This message flashes language standard information about this platform
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log::logf
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{
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log::star, log::DEBUG,
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"max_align=%zu hw_conc=%zu d_inter=%zu c_inter=%zu "
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"inst_blksz=%zu data_blksz=%zu uni_blksz=%zu page_size=%zu",
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hardware::max_align,
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hardware::hardware_concurrency,
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hardware::destructive_interference,
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hardware::constructive_interference,
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hardware::inst_blksz,
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hardware::data_blksz,
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hardware::uni_blksz,
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hardware::page_size,
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};
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log::logf
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{
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log::star, log::DEBUG,
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"0..00 STD MANUFAC [%08x|%08x|%08x|%08x] "
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"0..01 STD FEATURE [%08x|%08x|%08x|%08x]",
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uint32_t(hardware::x86::manufact >> 0),
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@ -176,9 +241,9 @@ ircd::info::dump_cpu_info()
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uint32_t(hardware::x86::features >> 96),
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};
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log::debug
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log::logf
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{
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log::star,
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log::star, log::DEBUG,
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"8..00 EXT MANUFAC [%08x|%08x|%08x|%08x] "
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"8..01 EXT FEATURE [%08x|%08x|%08x|%08x]",
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uint32_t(hardware::x86::_manufact >> 0),
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@ -191,9 +256,24 @@ ircd::info::dump_cpu_info()
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uint32_t(hardware::x86::_features >> 96),
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};
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log::debug
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log::logf
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{
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log::star,
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log::star, log::DEBUG,
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"8..05 EXT L1CACHE [%08x|%08x|%08x|%08x] "
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"8..06 EXT LLCACHE [%08x|%08x|%08x|%08x]",
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uint32_t(hardware::x86::_l1cache >> 0),
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uint32_t(hardware::x86::_l1cache >> 32),
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uint32_t(hardware::x86::_l1cache >> 64),
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uint32_t(hardware::x86::_l1cache >> 96),
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uint32_t(hardware::x86::_llcache >> 0),
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uint32_t(hardware::x86::_llcache >> 32),
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uint32_t(hardware::x86::_llcache >> 64),
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uint32_t(hardware::x86::_llcache >> 96),
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};
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log::logf
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{
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log::star, log::DEBUG,
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"8..07 EXT APMI [%08x|%08x|%08x|%08x] "
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"8..1C EXT LWPROF [%08x|%08x|%08x|%08x]",
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uint32_t(hardware::x86::_apmi >> 0),
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@ -207,38 +287,6 @@ ircd::info::dump_cpu_info()
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};
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}
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decltype(ircd::info::hardware::max_align)
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ircd::info::hardware::max_align
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{
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alignof(std::max_align_t)
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};
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decltype(ircd::info::hardware::hardware_concurrency)
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ircd::info::hardware::hardware_concurrency
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{
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std::thread::hardware_concurrency()
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};
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decltype(ircd::info::hardware::destructive_interference)
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ircd::info::hardware::destructive_interference
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{
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#ifdef __cpp_lib_hardware_interference_size
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std::hardware_destructive_interference_size
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#else
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0
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#endif
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};
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decltype(ircd::info::hardware::constructive_interference)
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ircd::info::hardware::constructive_interference
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{
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#ifdef __cpp_lib_hardware_interference_size
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std::hardware_constructive_interference_size
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#else
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0
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#endif
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};
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//
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// x86::x86
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//
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@ -273,6 +321,18 @@ ircd::info::hardware::x86::_features
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cpuid(0x80000001U, 0)
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};
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decltype(ircd::info::hardware::x86::_l1cache)
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ircd::info::hardware::x86::_l1cache
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{
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cpuid(0x80000005U, 0)
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};
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decltype(ircd::info::hardware::x86::_llcache)
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ircd::info::hardware::x86::_llcache
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{
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cpuid(0x80000006U, 0)
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};
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decltype(ircd::info::hardware::x86::_apmi)
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ircd::info::hardware::x86::_apmi
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{
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@ -362,6 +422,7 @@ ircd::info::hardware::x86::avx2
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ircd::uint128_t
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ircd::info::hardware::x86::cpuid(const uint &leaf,
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const uint &subleaf)
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noexcept
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{
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uint32_t reg[4];
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asm volatile
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@ -387,11 +448,335 @@ ircd::info::hardware::x86::cpuid(const uint &leaf,
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ircd::uint128_t
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ircd::info::hardware::x86::cpuid(const uint &leaf,
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const uint &subleaf)
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noexcept
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{
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return 0;
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}
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#endif
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/// AMD64 CPUID Rev. 2.34 (Sept 2010) - Table 4
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uint8_t
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ircd::info::hardware::x86::llc_assoc(const uint8_t a)
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noexcept
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{
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switch(a)
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{
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default:
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case 0x0: return 0;
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case 0x1: return 1;
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case 0x2: return 2;
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case 0x4: return 4;
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case 0x6: return 8;
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case 0x8: return 16;
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case 0xA: return 32;
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case 0xB: return 48;
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case 0xC: return 64;
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case 0xD: return 96;
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case 0xE: return 128;
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case 0xF: return -1;
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}
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}
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//
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// Generic / Standard
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//
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decltype(ircd::info::hardware::max_align)
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ircd::info::hardware::max_align
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{
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alignof(std::max_align_t)
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};
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decltype(ircd::info::hardware::hardware_concurrency)
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ircd::info::hardware::hardware_concurrency
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{
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std::thread::hardware_concurrency()
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};
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decltype(ircd::info::hardware::destructive_interference)
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ircd::info::hardware::destructive_interference
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{
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#ifdef __cpp_lib_hardware_interference_size
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std::hardware_destructive_interference_size
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#else
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0
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#endif
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};
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decltype(ircd::info::hardware::constructive_interference)
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ircd::info::hardware::constructive_interference
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{
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#ifdef __cpp_lib_hardware_interference_size
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std::hardware_constructive_interference_size
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#else
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0
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#endif
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};
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decltype(ircd::info::hardware::inst_blksz)
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ircd::info::hardware::inst_blksz
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{
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#if __has_include(<sys/auxv.h>) && defined(AT_ICACHEBSIZE)
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getauxval(AT_ICACHEBSIZE)
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#endif
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};
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decltype(ircd::info::hardware::data_blksz)
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ircd::info::hardware::data_blksz
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{
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#if __has_include(<sys/auxv.h>) && defined(AT_DCACHEBSIZE)
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getauxval(AT_DCACHEBSIZE)
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#endif
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};
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decltype(ircd::info::hardware::uni_blksz)
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ircd::info::hardware::uni_blksz
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{
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#if __has_include(<sys/auxv.h>) && defined(AT_UCACHEBSIZE)
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getauxval(AT_UCACHEBSIZE)
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#endif
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};
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decltype(ircd::info::hardware::l1i)
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ircd::info::hardware::l1i
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{
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#ifdef __x86_64__
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uint8_t((x86::_l1cache >> (96 + 24)) & 0xffUL) * 1024UL
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#elif __has_include(<sys/auxv.h>) && defined(AT_L1I_CACHESIZE)
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getauxval(AT_L1I_CACHESIZE)
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#endif
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};
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decltype(ircd::info::hardware::l1i_line)
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ircd::info::hardware::l1i_line
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{
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#ifdef __x86_64__
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uint8_t((x86::_l1cache >> (96 + 0)) & 0xffUL)
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#elif __has_include(<sys/auxv.h>) && defined(AT_L1I_CACHEGEOMETRY)
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getauxval(AT_L1I_CACHEGEOMETRY) & 0xffffUL
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#endif
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};
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decltype(ircd::info::hardware::l1i_tag)
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ircd::info::hardware::l1i_tag
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{
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#ifdef __x86_64__
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uint8_t((x86::_l1cache >> (96 + 8)) & 0xffUL)
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#endif
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};
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decltype(ircd::info::hardware::l1i_assoc)
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ircd::info::hardware::l1i_assoc
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{
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#ifdef __x86_64__
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uint8_t((x86::_l1cache >> (96 + 16)) & 0xffUL)
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#elif __has_include(<sys/auxv.h>) && defined(AT_L1I_CACHEGEOMETRY)
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getauxval(AT_L1I_CACHEGEOMETRY) & 0xffff0000UL
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#endif
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};
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decltype(ircd::info::hardware::l1i_tlb)
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ircd::info::hardware::l1i_tlb
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{
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#ifdef __x86_64__
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uint8_t((x86::_l1cache >> (32 + 0)) & 0xffUL)
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#endif
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};
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decltype(ircd::info::hardware::l1i_tlb_assoc)
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ircd::info::hardware::l1i_tlb_assoc
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{
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#ifdef __x86_64__
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uint8_t((x86::_l1cache >> (32 + 8)) & 0xffUL)
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#endif
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};
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decltype(ircd::info::hardware::l1d)
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ircd::info::hardware::l1d
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{
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#ifdef __x86_64__
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uint8_t((x86::_l1cache >> (64 + 24)) & 0xffUL) * 1024UL
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#elif __has_include(<sys/auxv.h>) && defined(AT_L1D_CACHESIZE)
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getauxval(AT_L1D_CACHESIZE)
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#endif
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};
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decltype(ircd::info::hardware::l1d_line)
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ircd::info::hardware::l1d_line
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
uint8_t((x86::_l1cache >> (64 + 0)) & 0xffUL)
|
||||
#elif __has_include(<sys/auxv.h>) && defined(AT_L1D_CACHEGEOMETRY)
|
||||
getauxval(AT_L1D_CACHEGEOMETRY) & 0xffffUL
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::l1d_tag)
|
||||
ircd::info::hardware::l1d_tag
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
uint8_t((x86::_l1cache >> (64 + 8)) & 0xffUL)
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::l1d_assoc)
|
||||
ircd::info::hardware::l1d_assoc
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
uint8_t((x86::_l1cache >> (64 + 16)) & 0xffUL)
|
||||
#elif __has_include(<sys/auxv.h>) && defined(AT_L1D_CACHEGEOMETRY)
|
||||
getauxval(AT_L1D_CACHEGEOMETRY) & 0xffff0000UL
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::l1d_tlb)
|
||||
ircd::info::hardware::l1d_tlb
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
uint8_t((x86::_l1cache >> (32 + 16)) & 0xffUL)
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::l1d_tlb_assoc)
|
||||
ircd::info::hardware::l1d_tlb_assoc
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
uint8_t((x86::_l1cache >> (32 + 24)) & 0xffUL)
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::l2)
|
||||
ircd::info::hardware::l2
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
uint16_t((x86::_llcache >> (64 + 16)) & 0xffffUL) * 1024UL
|
||||
#elif __has_include(<sys/auxv.h>) && defined(AT_L2_CACHESIZE)
|
||||
getauxval(AT_L2_CACHESIZE)
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::l2_line)
|
||||
ircd::info::hardware::l2_line
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
uint8_t((x86::_llcache >> (64 + 0)) & 0xffUL)
|
||||
#elif __has_include(<sys/auxv.h>) && defined(AT_L2_CACHEGEOMETRY)
|
||||
getauxval(AT_L2_CACHEGEOMETRY) & 0xffffUL
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::l2_tag)
|
||||
ircd::info::hardware::l2_tag
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
uint8_t((x86::_llcache >> (64 + 8)) & 0x0fUL)
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::l2_assoc)
|
||||
ircd::info::hardware::l2_assoc
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
x86::llc_assoc((x86::_llcache >> (64 + 12)) & 0x0fUL)
|
||||
#elif __has_include(<sys/auxv.h>) && defined(AT_L2_CACHEGEOMETRY)
|
||||
getauxval(AT_L2_CACHEGEOMETRY) & 0xffff0000UL
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::l2_itlb)
|
||||
ircd::info::hardware::l2_itlb
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
uint16_t((x86::_llcache >> (32 + 0)) & 0x0fffUL)
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::l2_itlb_assoc)
|
||||
ircd::info::hardware::l2_itlb_assoc
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
x86::llc_assoc(uint8_t((x86::_llcache >> (32 + 12)) & 0x0fUL))
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::l2_dtlb)
|
||||
ircd::info::hardware::l2_dtlb
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
uint16_t((x86::_llcache >> (32 + 16)) & 0x0fffUL)
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::l2_dtlb_assoc)
|
||||
ircd::info::hardware::l2_dtlb_assoc
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
x86::llc_assoc(uint8_t((x86::_llcache >> (32 + 28)) & 0x0fUL))
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::l3)
|
||||
ircd::info::hardware::l3
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
(uint16_t((x86::_llcache >> (96 + 16)) & 0xffffUL) >> 2) * 512_KiB
|
||||
#elif __has_include(<sys/auxv.h>) && defined(AT_L3_CACHESIZE)
|
||||
getauxval(AT_L3_CACHESIZE)
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::l3_line)
|
||||
ircd::info::hardware::l3_line
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
uint8_t((x86::_llcache >> (96 + 0)) & 0xffUL)
|
||||
#elif __has_include(<sys/auxv.h>) && defined(AT_L3_CACHEGEOMETRY)
|
||||
getauxval(AT_L3_CACHEGEOMETRY) & 0xffffUL
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::l3_tag)
|
||||
ircd::info::hardware::l3_tag
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
uint8_t((x86::_llcache >> (96 + 8)) & 0x0fUL)
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::l3_assoc)
|
||||
ircd::info::hardware::l3_assoc
|
||||
{
|
||||
#ifdef __x86_64__
|
||||
x86::llc_assoc((x86::_llcache >> (96 + 12)) & 0x0fUL)
|
||||
#elif __has_include(<sys/auxv.h>) && defined(AT_L3_CACHEGEOMETRY)
|
||||
getauxval(AT_L3_CACHEGEOMETRY) & 0xffff0000UL
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::page_size)
|
||||
ircd::info::hardware::page_size
|
||||
{
|
||||
#if __has_include(<sys/auxv.h>) && defined(AT_PAGESZ)
|
||||
getauxval(AT_PAGESZ)
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::hardware::cap)
|
||||
ircd::info::hardware::cap
|
||||
{
|
||||
#if __has_include(<sys/auxv.h>) && defined(AT_HWCAP)
|
||||
getauxval(AT_HWCAP)
|
||||
#else
|
||||
0
|
||||
#endif
|
||||
,
|
||||
#if __has_include(<sys/auxv.h>) && defined(AT_HWCAP2)
|
||||
getauxval(AT_HWCAP2)
|
||||
#else
|
||||
0UL
|
||||
#endif
|
||||
};
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// System information
|
||||
|
|
@ -497,6 +882,22 @@ ircd::info::kernel_version
|
|||
}
|
||||
};
|
||||
|
||||
decltype(ircd::info::vsyscall_p)
|
||||
ircd::info::vsyscall_p
|
||||
{
|
||||
#if __has_include(<sys/auxv.h>) && defined(AT_SYSINFO)
|
||||
intptr_t(getauxval(AT_SYSINFO))
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::vdso_p)
|
||||
ircd::info::vdso_p
|
||||
{
|
||||
#if __has_include(<sys/auxv.h>) && defined(AT_SYSINFO_EHDR)
|
||||
intptr_t(getauxval(AT_SYSINFO_EHDR))
|
||||
#endif
|
||||
};
|
||||
|
||||
//
|
||||
// System configuration
|
||||
//
|
||||
|
|
@ -795,19 +1196,6 @@ ircd::info::user_agent
|
|||
server_agent
|
||||
};
|
||||
|
||||
decltype(ircd::info::startup_time)
|
||||
ircd::info::startup_time
|
||||
{
|
||||
std::time(nullptr)
|
||||
};
|
||||
|
||||
static char ircd_info_startup[32];
|
||||
decltype(ircd::info::startup)
|
||||
ircd::info::startup
|
||||
{
|
||||
rstrip(ctime_r(&startup_time, ircd_info_startup), '\n')
|
||||
};
|
||||
|
||||
decltype(ircd::info::compiled)
|
||||
ircd::info::compiled
|
||||
{
|
||||
|
|
@ -844,3 +1232,64 @@ ircd::info::tag
|
|||
{
|
||||
RB_VERSION_TAG
|
||||
};
|
||||
|
||||
decltype(ircd::info::startup_time)
|
||||
ircd::info::startup_time
|
||||
{
|
||||
std::time(nullptr)
|
||||
};
|
||||
|
||||
static char ircd_info_startup[32];
|
||||
decltype(ircd::info::startup)
|
||||
ircd::info::startup
|
||||
{
|
||||
rstrip(ctime_r(&startup_time, ircd_info_startup), '\n')
|
||||
};
|
||||
|
||||
decltype(ircd::info::random)
|
||||
ircd::info::random
|
||||
{
|
||||
#if __has_include(<sys/auxv.h>) && defined(AT_RANDOM)
|
||||
getauxval(AT_RANDOM)
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::uid)
|
||||
ircd::info::uid
|
||||
{
|
||||
#if __has_include(<sys/auxv.h>) && defined(AT_UID)
|
||||
uint(getauxval(AT_UID))
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::euid)
|
||||
ircd::info::euid
|
||||
{
|
||||
#if __has_include(<sys/auxv.h>) && defined(AT_EUID)
|
||||
uint(getauxval(AT_EUID))
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::gid)
|
||||
ircd::info::gid
|
||||
{
|
||||
#if __has_include(<sys/auxv.h>) && defined(AT_GID)
|
||||
uint(getauxval(AT_GID))
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::egid)
|
||||
ircd::info::egid
|
||||
{
|
||||
#if __has_include(<sys/auxv.h>) && defined(AT_EGID)
|
||||
uint(getauxval(AT_EGID))
|
||||
#endif
|
||||
};
|
||||
|
||||
decltype(ircd::info::secure)
|
||||
ircd::info::secure
|
||||
{
|
||||
#if __has_include(<sys/auxv.h>) && defined(AT_SECURE)
|
||||
bool(getauxval(AT_SECURE))
|
||||
#endif
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in a new issue