mirror of
https://github.com/rwinkhart/sys.git
synced 2026-09-01 06:46:44 -04:00
x/sys/unix: add Dup2 wrapper for arm64/ppc64
arm64 doesn't have a Dup2 syscall, instead Dup3 is supposed
to be used. Since Dup3 is linux-specific, provide a wrapper
to make writing portable code easier.
Updates golang/go#10235
To verify it, added a testcase for Dup and Dup2.
Change-Id: I066bb60d62b2bd64d7ba0fdfbb334ce2213c78e9
Reviewed-on: https://go-review.googlesource.com/20178
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Riku Voipio <riku.voipio@linaro.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
committed by
Brad Fitzpatrick
parent
7a56174f00
commit
9d4e42a206
@@ -1216,6 +1216,16 @@ func Munlockall() (err error) {
|
||||
|
||||
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
|
||||
|
||||
func Dup2(oldfd int, newfd int) (err error) {
|
||||
_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
|
||||
if e1 != 0 {
|
||||
err = errnoErr(e1)
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
|
||||
|
||||
func Fchown(fd int, uid int, gid int) (err error) {
|
||||
_, _, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid))
|
||||
if e1 != 0 {
|
||||
|
||||
Reference in New Issue
Block a user