#
# Generate system call table for OpenBSD from master list
# (for example, /usr/src/sys/kern/syscalls.master).

use strict;

my $command = "mksysnum_openbsd.pl " . join(' ', @ARGV);

print <<EOF;
// $command
// Code generated by the command above; DO NOT EDIT.

package syscall

const (
EOF

while(<>){
	if(/^([0-9]+)\s+STD\s+(NOLOCK\s+)?(\{ \S+\s+\*?(\w+).*)$/){
		my $num = $1;

	c := make(chan os.Signal, 1)
	signal.Notify(c, syscall.SIGUSR1)
	defer signal.Stop(c)
	syscall.Kill(syscall.Getpid(), syscall.SIGUSR1)
	<-c

func stackGuardMultiplier(race bool) int {
	// This arithmetic must match that in runtime/internal/sys/consts.go:StackGuardMultiplier.
	n := 1
	// On AIX, a larger stack is needed for syscalls.
	if buildcfg.GOOS == "aix" {
		n += 1
	}
	// The race build also needs more stack.
	if race {
		n += 1
	}
	return n

#
# Generate system call table for OpenBSD from master list
# (for example, /usr/src/sys/kern/syscalls.master).

use strict;

my $command = "mksysnum_netbsd.pl " . join(' ', @ARGV);

print <<EOF;
// $command
// Code generated by the command above; DO NOT EDIT.

package syscall

const (
EOF

my $line = '';
while(<>){
	if($line =~ /^(.*)\\$/) {
		# Handle continuation

		perror("failed to register SIGUSR1 handler");
		exit(EXIT_FAILURE);
	}
}
*/
import "C"

func main() {
	ch := make(chan os.Signal, 1)
	signal.Notify(ch, syscall.SIGUSR2)

	C.register_handler(C.int(syscall.SIGUSR1))
	syscall.Kill(syscall.Getpid(), syscall.SIGUSR1)

	<-ch

#
# Generate system call table for FreeBSD from master list
# (for example, /usr/src/sys/kern/syscalls.master).

use strict;

my $command = "mksysnum_freebsd.pl " . join(' ', @ARGV);

print <<EOF;
// $command
// Code generated by the command above; DO NOT EDIT.

package syscall

const (
EOF

while(<>){
	if(/^([0-9]+)\s+\S+\s+STD\s+({ \S+\s+(\w+).*)$/){
		my $num = $1;

#
# Generate system call table for DragonFly from master list
# (for example, /usr/src/sys/kern/syscalls.master).

use strict;

my $command = "mksysnum_dragonfly.pl " . join(' ', @ARGV);

print <<EOF;
// $command
// Code generated by the command above; DO NOT EDIT.

package syscall

const (
EOF

while(<>){
	if(/^([0-9]+)\s+STD\s+({ \S+\s+(\w+).*)$/){
		my $num = $1;
		my $proto = $2;

my $command = "mksysnum_linux.pl ". join(' ', @ARGV);

print <<EOF;
// $command
// Code generated by the command above; DO NOT EDIT.

package syscall

const(
EOF

my $offset = 0;

sub fmt {
	my ($name, $num) = @_;
	if($num > 999){
		# ignore deprecated syscalls that are no longer implemented
		# https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/uapi/asm-generic/unistd.h?id=refs/heads/master#n716

	processSyscallReadTotalMD         = NewCounterMD(processSyscallReadTotal, "Total read SysCalls to the kernel. /proc/[pid]/io syscr")
	processSyscallWriteTotalMD        = NewCounterMD(processSyscallWriteTotal, "Total write SysCalls to the kernel. /proc/[pid]/io syscw")
	processResidentMemoryBytesMD      = NewGaugeMD(processResidentMemoryBytes, "Resident memory size in bytes")

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package sys

import (
	"internal/goarch"
	"internal/goos"
)

// AIX requires a larger stack for syscalls.
// The race build also needs more stack. See issue 54291.
// This arithmetic must match that in cmd/internal/objabi/stack.go:stackGuardMultiplier.
const StackGuardMultiplier = 1 + goos.IsAix + isRace