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v2fly/common/buf/readv_unix.go
database64128 c78ee5aac7
🏡 Housekeeping: Update to Go 1.17 (#1215)
* ⬆ Update to Go 1.17

* 🏗 Update workflows and add windows-arm64

* 💾 Update generated files

* 📛 Update not-so-friendly filenames
2021-08-21 13:20:40 +08:00

38 lines
561 B
Go

//go:build illumos
// +build illumos
package buf
import "golang.org/x/sys/unix"
type unixReader struct {
iovs [][]byte
}
func (r *unixReader) Init(bs []*Buffer) {
iovs := r.iovs
if iovs == nil {
iovs = make([][]byte, 0, len(bs))
}
for _, b := range bs {
iovs = append(iovs, b.v)
}
r.iovs = iovs
}
func (r *unixReader) Read(fd uintptr) int32 {
n, e := unix.Readv(int(fd), r.iovs)
if e != nil {
return -1
}
return int32(n)
}
func (r *unixReader) Clear() {
r.iovs = r.iovs[:0]
}
func newMultiReader() multiReader {
return &unixReader{}
}