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unix: add Mkfifoat function on Linux

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Add the Mkfifoat function on Linux, akin to the existing Mkfifo function
but taking an additional dirfd parameter. See
http://man7.org/linux/man-pages/man3/mkfifo.3.html

Originally requested in golang/go#14216

Also remove the named result parameter for Mkfifo, as they add no
additional use (suggested by Brad Fitzpatrick).

Change-Id: I7b759752abf3e1469d7f883a7f13313e3062aeb4
Reviewed-on: https://go-review.googlesource.com/48530
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Tobias Klauser
2017-07-14 16:04:39 +00:00
committed by Brad Fitzpatrick
parent abf9c25f54
commit 4cd6d1a821
1 changed files with 5 additions and 1 deletions
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unix/syscall_linux.go
+5 -1
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@@ -342,10 +342,14 @@ func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int,
return return
} }
func Mkfifo(path string, mode uint32) (err error) { func Mkfifo(path string, mode uint32) error {
return Mknod(path, mode|S_IFIFO, 0) return Mknod(path, mode|S_IFIFO, 0)
} }
func Mkfifoat(dirfd int, path string, mode uint32) error {
return Mknodat(dirfd, path, mode|S_IFIFO, 0)
}
func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) { func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) {
if sa.Port < 0 || sa.Port > 0xFFFF { if sa.Port < 0 || sa.Port > 0xFFFF {
return nil, 0, EINVAL return nil, 0, EINVAL