// Copyright 2022 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.

//go:build race

package sys

			"GOMAXPROCS=1", // see comment in race_test.go
			"GORACE="+test.gorace,
		)
		got, _ := cmd.CombinedOutput()
		matched := false
		for _, re := range test.re {
			if regexp.MustCompile(re).MatchString(string(got)) {
				matched = true
				break
			}
		}
		if !matched {
			exp := fmt.Sprintf("expect:\n%v\n", test.re[0])
			if len(test.re) > 1 {
				exp = fmt.Sprintf("expected one of %d patterns:\n",
					len(test.re))

}

func (p *printer) fieldList(fields *ast.FieldList, isStruct, isIncomplete bool) {
	lbrace := fields.Opening
	list := fields.List
	rbrace := fields.Closing
	hasComments := isIncomplete || p.commentBefore(p.posFor(rbrace))
	srcIsOneLine := lbrace.IsValid() && rbrace.IsValid() && p.lineFor(lbrace) == p.lineFor(rbrace)

	if !hasComments && srcIsOneLine {
		// possibly a one-line struct/interface
		if len(list) == 0 {

	if ((($darwin || ($openbsd && $libc)) && $func =~ /^ptrace(Ptr)?$/)) {
		# The ptrace function is called from forkAndExecInChild where stack
		# growth is forbidden.
		$text .= "//go:nosplit\n"
	}

	# Go function header.
	my $out_decl = @out ? sprintf(" (%s)", join(', ', @out)) : "";
	$text .= sprintf "func %s(%s)%s {\n", $func, join(', ', @in), $out_decl;

	# Disable ptrace on iOS.
	if ($darwin && $func =~ /^ptrace(Ptr)?$/) {

John Howard <******@****.***> 1682564684 -0700

	}
	return sendfile(outfd, infd, offset, count)
}

//sys	ptrace(request int, pid int, addr uintptr, data int) (err error)
//sys	ptracePtr(request int, pid int, addr unsafe.Pointer, data int) (err error) = SYS_PTRACE

func PtraceAttach(pid int) (err error) {
	return ptrace(PT_ATTACH, pid, 0, 0)
}

func PtraceCont(pid int, signal int) (err error) {
	return ptrace(PT_CONTINUE, pid, 1, signal)
}

		return 0, err1
	}

	if r1 != 0 {
		// parent; return PID
		runtime_AfterFork()
		return int(r1), 0
	}

	// Fork succeeded, now in child.

	// Enable tracing if requested.
	if sys.Ptrace {
		if err = ptrace(PTRACE_TRACEME, 0, 0, 0); err != nil {
			err1 = err.(Errno)
			goto childerror
		}
	}

	// Session ID
	if sys.Setsid {

	return ptrace(PTRACE_SYSCALL, pid, 0, uintptr(signal))
}

func PtraceSingleStep(pid int) (err error) { return ptrace(PTRACE_SINGLESTEP, pid, 0, 0) }

func PtraceAttach(pid int) (err error) { return ptrace(PTRACE_ATTACH, pid, 0, 0) }

func PtraceDetach(pid int) (err error) { return ptrace(PTRACE_DETACH, pid, 0, 0) }

//sys	reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error)

#include <netinet/ip_mroute.h>
#include <sys/mman.h>
#include <sys/protosw.h>
#include <sys/ptrace.h>
#include <sys/stropts.h>
#include <termios.h>
'

includes_Darwin='
#define _DARWIN_C_SOURCE
#define KERNEL
#define _DARWIN_USE_64_BIT_INODE
#include <sys/types.h>
#include <sys/event.h>
#include <sys/ptrace.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>
#include <sys/mman.h>

	{_Assign, "=", 0, 0},
	{_Define, ":=", 0, 0},
	{_Arrow, "<-", 0, 0},

	// delimiters
	{_Lparen, "(", 0, 0},
	{_Lbrack, "[", 0, 0},
	{_Lbrace, "{", 0, 0},
	{_Rparen, ")", 0, 0},
	{_Rbrack, "]", 0, 0},
	{_Rbrace, "}", 0, 0},
	{_Comma, ",", 0, 0},
	{_Semi, ";", 0, 0},
	{_Colon, ":", 0, 0},
	{_Dot, ".", 0, 0},
	{_DotDotDot, "...", 0, 0},

	// keywords