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unix: use pipe2 syscall on OpenBSD

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pipe2 has been available on OpenBSD for some time, all currently
supported versions of OpenBSD have an implementataion of it.

Change-Id: I740da07139541084f99a4fa4efcf67a591eed9e5
Reviewed-on: https://go-review.googlesource.com/c/sys/+/216244
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Aaron Bieber
2020-01-24 09:31:26 -07:00
committed by Ian Lance Taylor
parent e047566fdf
commit 9fbb57f87d
5 changed files with 15 additions and 11 deletions
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10
unix/syscall_openbsd.go
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@@ -72,16 +72,20 @@ func SysctlUvmexp(name string) (*Uvmexp, error) {
return &u, nil
}
//sysnb pipe(p *[2]_C_int) (err error)
func Pipe(p []int) (err error) {
return Pipe2(p, 0)
}
//sysnb pipe2(p *[2]_C_int, flags int) (err error)
func Pipe2(p []int, flags int) error {
if len(p) != 2 {
return EINVAL
}
var pp [2]_C_int
err = pipe(&pp)
err := pipe2(&pp, flags)
p[0] = int(pp[0])
p[1] = int(pp[1])
return
return err
}
//sys Getdents(fd int, buf []byte) (n int, err error)

4
unix/zsyscall_openbsd_386.go
View File

@@ -350,8 +350,8 @@ func Munlockall() (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func pipe(p *[2]_C_int) (err error) {
_, _, e1 := RawSyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
func pipe2(p *[2]_C_int, flags int) (err error) {
_, _, e1 := RawSyscall(SYS_PIPE2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0)
if e1 != 0 {
err = errnoErr(e1)
}

4
unix/zsyscall_openbsd_amd64.go
View File

@@ -350,8 +350,8 @@ func Munlockall() (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func pipe(p *[2]_C_int) (err error) {
_, _, e1 := RawSyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
func pipe2(p *[2]_C_int, flags int) (err error) {
_, _, e1 := RawSyscall(SYS_PIPE2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0)
if e1 != 0 {
err = errnoErr(e1)
}

4
unix/zsyscall_openbsd_arm.go
View File

@@ -350,8 +350,8 @@ func Munlockall() (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func pipe(p *[2]_C_int) (err error) {
_, _, e1 := RawSyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
func pipe2(p *[2]_C_int, flags int) (err error) {
_, _, e1 := RawSyscall(SYS_PIPE2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0)
if e1 != 0 {
err = errnoErr(e1)
}

4
unix/zsyscall_openbsd_arm64.go
View File

@@ -350,8 +350,8 @@ func Munlockall() (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func pipe(p *[2]_C_int) (err error) {
_, _, e1 := RawSyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
func pipe2(p *[2]_C_int, flags int) (err error) {
_, _, e1 := RawSyscall(SYS_PIPE2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0)
if e1 != 0 {
err = errnoErr(e1)
}