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Revert "syscall, os: use pipe2 syscall on DragonflyBSD instead of pipe" 

This reverts commit e6c15945de.

Reason for revert: breaks the Dragonfly builders.

Fixes #27245

Change-Id: I2c147a5726aec28647f6ef5eb8f9db5efa3a9fd0
Reviewed-on: https://go-review.googlesource.com/131497
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 2018-08-26 18:50:33 +00:00
parent 969b9d8127
commit a700ae9863
7 changed files with 9 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/os/pipe2_bsd.go
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@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build dragonfly freebsd netbsd openbsd
// +build freebsd netbsd openbsd
package os

2
src/os/pipe_bsd.go
View File

@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin js,wasm nacl solaris
// +build darwin dragonfly js,wasm nacl solaris
package os

2
src/syscall/forkpipe.go
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@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin solaris
// +build darwin dragonfly solaris
package syscall

2
src/syscall/forkpipe2.go
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@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build dragonfly freebsd netbsd openbsd
// +build freebsd netbsd openbsd
package syscall

10
src/syscall/syscall_dragonfly.go
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@ -72,17 +72,13 @@ func direntNamlen(buf []byte) (uint64, bool) {
return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
}
func Pipe(p []int) error {
return Pipe2(p, 0)
}
//sysnb pipe() (r int, w int, err error)
//sysnb pipe2(flags int) (r int, w int, err error)
func Pipe2(p []int, flags int) (err error) {
func Pipe(p []int) (err error) {
if len(p) != 2 {
return EINVAL
}
p[0], p[1], err = pipe2(flags)
p[0], p[1], err = pipe()
return
}

4
src/syscall/zsyscall_dragonfly_amd64.go
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@ -261,8 +261,8 @@ func fcntl(fd int, cmd int, arg int) (val int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func pipe2(flags int) (r int, w int, err error) {
r0, r1, e1 := RawSyscall(SYS_PIPE2, uintptr(flags), 0, 0)
func pipe() (r int, w int, err error) {
r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0)
r = int(r0)
w = int(r1)
if e1 != 0 {

1
src/syscall/zsysnum_dragonfly_amd64.go
View File

@ -301,7 +301,6 @@ const (
SYS_LPATHCONF = 533 // { int lpathconf(char *path, int name); }
SYS_VMM_GUEST_CTL = 534 // { int vmm_guest_ctl(int op, struct vmm_guest_options *options); }
SYS_VMM_GUEST_SYNC_ADDR = 535 // { int vmm_guest_sync_addr(long *dstaddr, long *srcaddr); }
SYS_PIPE2 = 538 // { int pipe2(int *fildes, int flags); }
SYS_UTIMENSAT = 539 // { int utimensat(int fd, const char *path, const struct timespec *ts, int flags); }
SYS_ACCEPT4 = 541 // { int accept4(int s, caddr_t name, int *anamelen, int flags); }
)