1 files changed, 0 insertions, 137 deletions
diff --git a/src/pkg/os/exec_plan9.go b/src/pkg/os/exec_plan9.go
deleted file mode 100644
index 676be36ac..000000000
--- a/src/pkg/os/exec_plan9.go
+++ /dev/null
@@ -1,137 +0,0 @@
-// 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.
-
-package os
-
-import (
-	"errors"
-	"runtime"
-	"syscall"
-	"time"
-)
-
-// The only signal values guaranteed to be present on all systems
-// are Interrupt (send the process an interrupt) and Kill (force
-// the process to exit).
-var (
-	Interrupt Signal = syscall.Note("interrupt")
-	Kill      Signal = syscall.Note("kill")
-)
-
-func startProcess(name string, argv []string, attr *ProcAttr) (p *Process, err error) {
-	sysattr := &syscall.ProcAttr{
-		Dir: attr.Dir,
-		Env: attr.Env,
-		Sys: attr.Sys,
-	}
-
-	for _, f := range attr.Files {
-		sysattr.Files = append(sysattr.Files, f.Fd())
-	}
-
-	pid, h, e := syscall.StartProcess(name, argv, sysattr)
-	if e != nil {
-		return nil, &PathError{"fork/exec", name, e}
-	}
-
-	return newProcess(pid, h), nil
-}
-
-func (p *Process) writeProcFile(file string, data string) error {
-	f, e := OpenFile("/proc/"+itoa(p.Pid)+"/"+file, O_WRONLY, 0)
-	if e != nil {
-		return e
-	}
-	defer f.Close()
-	_, e = f.Write([]byte(data))
-	return e
-}
-
-func (p *Process) signal(sig Signal) error {
-	if p.done() {
-		return errors.New("os: process already finished")
-	}
-	if e := p.writeProcFile("note", sig.String()); e != nil {
-		return NewSyscallError("signal", e)
-	}
-	return nil
-}
-
-func (p *Process) kill() error {
-	return p.signal(Kill)
-}
-
-func (p *Process) wait() (ps *ProcessState, err error) {
-	var waitmsg syscall.Waitmsg
-
-	if p.Pid == -1 {
-		return nil, ErrInvalid
-	}
-	err = syscall.WaitProcess(p.Pid, &waitmsg)
-	if err != nil {
-		return nil, NewSyscallError("wait", err)
-	}
-
-	p.setDone()
-	ps = &ProcessState{
-		pid:    waitmsg.Pid,
-		status: &waitmsg,
-	}
-	return ps, nil
-}
-
-func (p *Process) release() error {
-	// NOOP for Plan 9.
-	p.Pid = -1
-	// no need for a finalizer anymore
-	runtime.SetFinalizer(p, nil)
-	return nil
-}
-
-func findProcess(pid int) (p *Process, err error) {
-	// NOOP for Plan 9.
-	return newProcess(pid, 0), nil
-}
-
-// ProcessState stores information about a process, as reported by Wait.
-type ProcessState struct {
-	pid    int              // The process's id.
-	status *syscall.Waitmsg // System-dependent status info.
-}
-
-// Pid returns the process id of the exited process.
-func (p *ProcessState) Pid() int {
-	return p.pid
-}
-
-func (p *ProcessState) exited() bool {
-	return p.status.Exited()
-}
-
-func (p *ProcessState) success() bool {
-	return p.status.ExitStatus() == 0
-}
-
-func (p *ProcessState) sys() interface{} {
-	return p.status
-}
-
-func (p *ProcessState) sysUsage() interface{} {
-	return p.status
-}
-
-func (p *ProcessState) userTime() time.Duration {
-	return time.Duration(p.status.Time[0]) * time.Millisecond
-}
-
-func (p *ProcessState) systemTime() time.Duration {
-	return time.Duration(p.status.Time[1]) * time.Millisecond
-}
-
-func (p *ProcessState) String() string {
-	if p == nil {
-		return "<nil>"
-	}
-	return "exit status: " + p.status.Msg
-}