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// 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.
// For systems with the waitpid library call.
package syscall
//sys waitpid(pid Pid_t, status *int, options int) (wpid Pid_t, errno int)
//waitpid(pid Pid_t, status *int, options int) Pid_t
func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, errno int) {
var status int
r, err := waitpid(Pid_t(pid), &status, options)
wpid = int(r)
errno = err
if wstatus != nil {
*wstatus = WaitStatus(status)
}
return
}
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