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ergo/vendor/golang.org/x/sys/unix/syscall_illumos.go
2020-06-01 12:02:25 -04:00

58 lines
1.4 KiB
Go

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// illumos system calls not present on Solaris.
// +build amd64,illumos
package unix
import "unsafe"
func bytes2iovec(bs [][]byte) []Iovec {
iovecs := make([]Iovec, len(bs))
for i, b := range bs {
iovecs[i].SetLen(len(b))
if len(b) > 0 {
// somehow Iovec.Base on illumos is (*int8), not (*byte)
iovecs[i].Base = (*int8)(unsafe.Pointer(&b[0]))
} else {
iovecs[i].Base = (*int8)(unsafe.Pointer(&_zero))
}
}
return iovecs
}
//sys readv(fd int, iovs []Iovec) (n int, err error)
func Readv(fd int, iovs [][]byte) (n int, err error) {
iovecs := bytes2iovec(iovs)
n, err = readv(fd, iovecs)
return n, err
}
//sys preadv(fd int, iovs []Iovec, off int64) (n int, err error)
func Preadv(fd int, iovs [][]byte, off int64) (n int, err error) {
iovecs := bytes2iovec(iovs)
n, err = preadv(fd, iovecs, off)
return n, err
}
//sys writev(fd int, iovs []Iovec) (n int, err error)
func Writev(fd int, iovs [][]byte) (n int, err error) {
iovecs := bytes2iovec(iovs)
n, err = writev(fd, iovecs)
return n, err
}
//sys pwritev(fd int, iovs []Iovec, off int64) (n int, err error)
func Pwritev(fd int, iovs [][]byte, off int64) (n int, err error) {
iovecs := bytes2iovec(iovs)
n, err = pwritev(fd, iovecs, off)
return n, err
}