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unix: re-add SYS___SYSCTL on darwin

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CL 250437 removed all SYS_* consts on darwin as direct syscalls are no
longer supported on this platform. However, some external packages (e.g.
github.com/shirou/gopsutil) still seem to rely on SYS___SYSCTL being
defined to implement their own sysctl wrappers. Re-add SYS___SYSCTL to
avoid breaking these packages.

Change-Id: I1ef1c05ba47a4b89be61ee8919d1651b7531d9c7
Reviewed-on: https://go-review.googlesource.com/c/sys/+/251738
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Tobias Klauser
2020-08-31 18:03:12 +00:00
committed by Tobias Klauser
parent 157a740278
commit 196b9ba873
1 changed files with 5 additions and 0 deletions
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unix/syscall_darwin.go
+5
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@@ -49,6 +49,11 @@ type SockaddrDatalink struct {
raw RawSockaddrDatalink raw RawSockaddrDatalink
} }
// Some external packages rely on SYS___SYSCTL being defined to implement their
// own sysctl wrappers. Provide it here, even though direct syscalls are no
// longer supported on darwin.
const SYS___SYSCTL = 202
// Translate "kern.hostname" to []_C_int{0,1,2,3}. // Translate "kern.hostname" to []_C_int{0,1,2,3}.
func nametomib(name string) (mib []_C_int, err error) { func nametomib(name string) (mib []_C_int, err error) {
const siz = unsafe.Sizeof(mib[0]) const siz = unsafe.Sizeof(mib[0])