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package unix
import "core:c"
foreign import libc "system:c"
@(default_calling_convention="c")
foreign libc {
@(link_name="sysctl") _unix_sysctl :: proc(name: [^]i32, namelen: u32, oldp: rawptr, oldlenp: ^c.size_t, newp: rawptr, newlen: c.size_t) -> i32 ---
}
sysctl :: proc "contextless" (mib: []i32, val: ^$T) -> (ok: bool) {
mib := mib
result_size := c.size_t(size_of(T))
res := _unix_sysctl(raw_data(mib), u32(len(mib)), val, &result_size, nil, 0)
return res == 0
}
// See /usr/include/sys/sysctl.h for details
CTL_KERN :: 1
KERN_OSTYPE :: 1
KERN_OSRELEASE :: 2
KERN_OSREV :: 3
KERN_VERSION :: 4
CTL_VM :: 2
CTL_FS :: 3
CTL_NET :: 4
CTL_DEBUG :: 5
CTL_HW :: 6
HW_MACHINE :: 1
HW_MODEL :: 2
HW_NCPU :: 3
HW_BYTEORDER :: 4
HW_PHYSMEM :: 5
HW_USERMEM :: 6
HW_PAGESIZE :: 7
HW_DISKNAMES :: 8
HW_IOSTATS :: 9
HW_MACHINE_ARCH :: 10
HW_ALIGNBYTES :: 11
HW_CNMAGIC :: 12
HW_PHYSMEM64 :: 13
HW_USERMEM64 :: 14
HW_IOSTATNAMES :: 15
HW_NCPUONLINE :: 16
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