// Copyright 2011 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. //go:build plan9 // +build plan9 package time import ( "errors" "syscall" ) // for testing: whatever interrupts a sleep func interrupt() { // cannot predict pid, don't want to kill group } func open(name string) (uintptr, error) { fd, err := syscall.Open(name, syscall.O_RDONLY) if err != nil { return 0, err } return uintptr(fd), nil } func read(fd uintptr, buf []byte) (int, error) { return syscall.Read(int(fd), buf) } func closefd(fd uintptr) { syscall.Close(int(fd)) } func preadn(fd uintptr, buf []byte, off int) error { whence := seekStart if off < 0 { whence = seekEnd } if _, err := syscall.Seek(int(fd), int64(off), whence); err != nil { return err } for len(buf) > 0 { m, err := syscall.Read(int(fd), buf) if m <= 0 { if err == nil { return errors.New("short read") } return err } buf = buf[m:] } return nil }