func golang.org/x/sys/unix.wait4

2 uses

	golang.org/x/sys/unix (current package)
		syscall_linux.go#L363: 	wpid, err = wait4(pid, &status, options, rusage)
		zsyscall_linux.go#L223: func wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err error) {