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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 wait4 library call.
package syscall
//sys wait4(pid Pid_t, status *_C_int, options int, rusage *Rusage) (wpid Pid_t, err error)
//wait4(pid Pid_t, status *_C_int, options _C_int, rusage *Rusage) Pid_t
func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) {
var status _C_int
r, err := wait4(Pid_t(pid), &status, options, rusage)
wpid = int(r)
if wstatus != nil {
*wstatus = WaitStatus(status)
}
return
}
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