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// 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.
// +build darwin freebsd linux netbsd openbsd
package time
import "syscall"
// for testing: whatever interrupts a sleep
func interrupt() {
syscall.Kill(syscall.Getpid(), syscall.SIGCHLD)
}
// readFile reads and returns the content of the named file.
// It is a trivial implementation of ioutil.ReadFile, reimplemented
// here to avoid depending on io/ioutil or os.
func readFile(name string) ([]byte, error) {
f, err := syscall.Open(name, syscall.O_RDONLY, 0)
if err != nil {
return nil, err
}
defer syscall.Close(f)
var (
buf [4096]byte
ret []byte
n int
)
for {
n, err = syscall.Read(f, buf[:])
if n > 0 {
ret = append(ret, buf[:n]...)
}
if n == 0 || err != nil {
break
}
}
return ret, err
}
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