unix: add Readv/Writev family of syscalls for linux

Fixes golang/go#36201

Change-Id: Ie3b197e18bc5d59fd222f3fa0100e1e0a3d11866
Reviewed-on: https://go-review.googlesource.com/c/sys/+/212157
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
This commit is contained in:
Axel Wagner
2019-12-20 14:29:24 +00:00
committed by Tobias Klauser
parent af0d71d358
commit d4481acd18
28 changed files with 1536 additions and 0 deletions
+102
View File
@@ -1608,6 +1608,108 @@ func writelen(fd int, p *byte, np int) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func readv(fd int, iovs []Iovec) (n int, err error) {
var _p0 unsafe.Pointer
if len(iovs) > 0 {
_p0 = unsafe.Pointer(&iovs[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall(SYS_READV, uintptr(fd), uintptr(_p0), uintptr(len(iovs)))
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func writev(fd int, iovs []Iovec) (n int, err error) {
var _p0 unsafe.Pointer
if len(iovs) > 0 {
_p0 = unsafe.Pointer(&iovs[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall(SYS_WRITEV, uintptr(fd), uintptr(_p0), uintptr(len(iovs)))
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func preadv(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr) (n int, err error) {
var _p0 unsafe.Pointer
if len(iovs) > 0 {
_p0 = unsafe.Pointer(&iovs[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall6(SYS_PREADV, uintptr(fd), uintptr(_p0), uintptr(len(iovs)), uintptr(offs_l), uintptr(offs_h), 0)
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func pwritev(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr) (n int, err error) {
var _p0 unsafe.Pointer
if len(iovs) > 0 {
_p0 = unsafe.Pointer(&iovs[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall6(SYS_PWRITEV, uintptr(fd), uintptr(_p0), uintptr(len(iovs)), uintptr(offs_l), uintptr(offs_h), 0)
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func preadv2(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr, flags int) (n int, err error) {
var _p0 unsafe.Pointer
if len(iovs) > 0 {
_p0 = unsafe.Pointer(&iovs[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall6(SYS_PREADV2, uintptr(fd), uintptr(_p0), uintptr(len(iovs)), uintptr(offs_l), uintptr(offs_h), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func pwritev2(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr, flags int) (n int, err error) {
var _p0 unsafe.Pointer
if len(iovs) > 0 {
_p0 = unsafe.Pointer(&iovs[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
r0, _, e1 := Syscall6(SYS_PWRITEV2, uintptr(fd), uintptr(_p0), uintptr(len(iovs)), uintptr(offs_l), uintptr(offs_h), uintptr(flags))
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func munmap(addr uintptr, length uintptr) (err error) {
_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
if e1 != 0 {