gcc/libgo/go/syscall/libcall_wait4.go
Ian Lance Taylor de27caacfb Implement new syscall package.
Calls to library functions now use entersyscall and
exitsyscall as appropriate.  This is a first step toward
multiplexing goroutines onto threads.

From-SVN: r180345
2011-10-23 19:04:37 +00:00

22 lines
638 B
Go

// 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 *int, options int, rusage *Rusage) (wpid Pid_t, errno int)
//wait4(pid Pid_t, status *int, options int, rusage *Rusage) Pid_t
func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, errno int) {
var status int
r, err := wait4(Pid_t(pid), &status, options, rusage)
wpid = int(r)
errno = err
if wstatus != nil {
*wstatus = WaitStatus(status)
}
return
}