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unix: __sysctl is sysctl on darwin

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While the other BSDs use __sysctl as the name, Darwin now uses sysctl,
without the leading underscores, and considers __sysctl to be "private".
Using __sysctl leads to App Store rejections, and Go's syscall package
already uses the proper syscall. So this commit changes Darwin's syscall
to use it too here, while reverting a recent commit that removed it all
together on arm and arm64.

This reverts CL 194097.

Fixes golang/go#35103
Updates golang/go#34133
Updates golang/go#35101

Change-Id: Ic72d5e7a435b99fe62c533b77b2c3790590f4c9e
Reviewed-on: https://go-review.googlesource.com/c/sys/+/202837
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Crawshaw <crawshaw@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
This commit is contained in:
Jason A. Donenfeld
2019-10-23 15:13:26 +00:00
parent b69606af41
commit f89234f9a2
21 changed files with 165 additions and 99 deletions
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unix/zsyscall_darwin_arm.go
+21
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@@ -757,6 +757,27 @@ func libc_ioctl_trampoline()
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) {
var _p0 unsafe.Pointer
if len(mib) > 0 {
_p0 = unsafe.Pointer(&mib[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
_, _, e1 := syscall_syscall6(funcPC(libc_sysctl_trampoline), uintptr(_p0), uintptr(len(mib)), uintptr(unsafe.Pointer(old)), uintptr(unsafe.Pointer(oldlen)), uintptr(unsafe.Pointer(new)), uintptr(newlen))
if e1 != 0 {
err = errnoErr(e1)
}
return
}
func libc_sysctl_trampoline()
//go:linkname libc_sysctl libc_sysctl
//go:cgo_import_dynamic libc_sysctl sysctl "/usr/lib/libSystem.B.dylib"
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func sendfile(infd int, outfd int, offset int64, len *int64, hdtr unsafe.Pointer, flags int) (err error) {
_, _, e1 := syscall_syscall9(funcPC(libc_sendfile_trampoline), uintptr(infd), uintptr(outfd), uintptr(offset), uintptr(offset>>32), uintptr(unsafe.Pointer(len)), uintptr(hdtr), uintptr(flags), 0, 0)
if e1 != 0 {