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unix: add Getdents on dragonfly

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Add a syscall wrapper for Getdents on dragonfly and use it to
implement ReadDirent

Change-Id: Ie54c0edeaf89491cab2355557fb442bd5bec2987
Reviewed-on: https://go-review.googlesource.com/c/sys/+/183227
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
This commit is contained in:
Tobias Klauser
2019-06-24 11:44:31 +00:00
committed by Tobias Klauser
parent e93b963712
commit c5567b49c5
4 changed files with 20 additions and 2 deletions
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2
unix/readdirent_getdents.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 aix freebsd linux netbsd openbsd
// +build aix dragonfly freebsd linux netbsd openbsd
package unix

2
unix/readdirent_getdirentries.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 dragonfly
// +build darwin
package unix

1
unix/syscall_dragonfly.go
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@@ -269,6 +269,7 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
//sys Fstatfs(fd int, stat *Statfs_t) (err error)
//sys Fsync(fd int) (err error)
//sys Ftruncate(fd int, length int64) (err error)
//sys Getdents(fd int, buf []byte) (n int, err error)
//sys Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error)
//sys Getdtablesize() (size int)
//sysnb Getegid() (egid int)

17
unix/zsyscall_dragonfly_amd64.go
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@@ -749,6 +749,23 @@ func Ftruncate(fd int, length int64) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getdents(fd int, buf []byte) (n int, err error) {
var _p0 unsafe.Pointer
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall(SYS_GETDENTS, uintptr(fd), uintptr(_p0), uintptr(len(buf)))
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
var _p0 unsafe.Pointer
if len(buf) > 0 {