os, syscall: fix Plan 9 build
R=rsc
CC=golang-dev
https://golang.org/cl/5330067
diff --git a/src/pkg/os/exec_plan9.go b/src/pkg/os/exec_plan9.go
index a815c99..a1a3353 100644
--- a/src/pkg/os/exec_plan9.go
+++ b/src/pkg/os/exec_plan9.go
@@ -5,6 +5,7 @@
package os
import (
+ "errors"
"runtime"
"syscall"
)
@@ -47,7 +48,7 @@
func (p *Process) Signal(sig Signal) error {
if p.done {
- return NewError("os: process already finished")
+ return errors.New("os: process already finished")
}
f, e := OpenFile("/proc/"+itoa(p.Pid)+"/note", O_WRONLY, 0)
