Files
Odin/core/sys/unix/sysctl_darwin.odin

88 lines
2.0 KiB
Odin

#+build darwin
package unix
import "base:intrinsics"
import "core:sys/darwin"
_ :: darwin
sysctl :: proc "contextless" (mib: []i32, val: ^$T) -> (ok: bool) {
result_size := uint(size_of(T))
when ODIN_NO_CRT {
res := darwin.syscall_sysctl(
raw_data(mib), len(mib),
val, &result_size,
nil, 0,
)
return res == 0
} else {
foreign {
@(link_name="sysctl") _sysctl :: proc(
name: [^]i32, namelen: u32,
oldp: rawptr, oldlenp: ^uint,
newp: rawptr, newlen: uint,
) -> i32 ---
}
res := _sysctl(
raw_data(mib), u32(len(mib)),
val, &result_size,
nil, 0,
)
return res == 0
}
}
sysctlbyname :: proc "contextless" (name: cstring, val: ^$T) -> (ok: bool) {
result_size := uint(size_of(T))
when ODIN_NO_CRT {
res := darwin.syscall_sysctlbyname(
string(name),
val, &result_size,
nil, 0,
)
return res == 0
} else {
foreign {
@(link_name="sysctlbyname") _sysctlbyname :: proc(
name: cstring,
oldp: rawptr, oldlenp: ^uint,
newp: rawptr, newlen: uint,
) -> i32 ---
}
res := _sysctlbyname(
name,
val, &result_size,
nil, 0,
)
return res == 0
}
}
// See sysctl.h for darwin for details
CTL_KERN :: 1
KERN_OSTYPE :: 1 // Darwin
KERN_OSRELEASE :: 2 // 21.5.0 for 12.4 Monterey
KERN_OSREV :: 3 // i32: system revision
KERN_VERSION :: 4 // Darwin Kernel Version 21.5.0: Tue Apr 26 21:08:22 PDT 2022; root:darwin-8020.121.3~4/RELEASE_X86_64
KERN_OSRELDATE :: 26 // i32: OS release date
KERN_OSVERSION :: 65 // Build number, e.g. 21F79
KERN_PROCARGS :: 38
KERN_PROCARGS2 :: 49
CTL_VM :: 2
CTL_VFS :: 3
CTL_NET :: 4
CTL_DEBUG :: 5
CTL_HW :: 6
HW_MACHINE :: 1 // x86_64
HW_MODEL :: 2 // MacbookPro14,1
HW_NCPU :: 3 /* int: number of cpus */
HW_BYTEORDER :: 4 /* int: machine byte order */
HW_MACHINE_ARCH :: 12 /* string: machine architecture */
HW_VECTORUNIT :: 13 /* int: has HW vector unit? */
HW_MEMSIZE :: 24 // u64
HW_AVAILCPU :: 25 /* int: number of available CPUs */
CTL_MACHDEP :: 7
CTL_USER :: 8