A lightweight mechanism to provide an *instant kickstart* to a Go web server instance upon changing any Go source files under the project directory (and its subdirectories).

mksysnum_openbsd.pl 1.0KB

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  1. #!/usr/bin/env perl
  2. # Copyright 2009 The Go Authors. All rights reserved.
  3. # Use of this source code is governed by a BSD-style
  4. # license that can be found in the LICENSE file.
  5. #
  6. # Generate system call table for OpenBSD from master list
  7. # (for example, /usr/src/sys/kern/syscalls.master).
  8. use strict;
  9. if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
  10. print STDERR "GOARCH or GOOS not defined in environment\n";
  11. exit 1;
  12. }
  13. my $command = "mksysnum_openbsd.pl " . join(' ', @ARGV);
  14. print <<EOF;
  15. // $command
  16. // Code generated by the command above; see README.md. DO NOT EDIT.
  17. // +build $ENV{'GOARCH'},$ENV{'GOOS'}
  18. package unix
  19. const (
  20. EOF
  21. while(<>){
  22. if(/^([0-9]+)\s+STD\s+(NOLOCK\s+)?({ \S+\s+\*?(\w+).*)$/){
  23. my $num = $1;
  24. my $proto = $3;
  25. my $name = $4;
  26. $name =~ y/a-z/A-Z/;
  27. # There are multiple entries for enosys and nosys, so comment them out.
  28. if($name =~ /^SYS_E?NOSYS$/){
  29. $name = "// $name";
  30. }
  31. if($name eq 'SYS_SYS_EXIT'){
  32. $name = 'SYS_EXIT';
  33. }
  34. print " $name = $num; // $proto\n";
  35. }
  36. }
  37. print <<EOF;
  38. )
  39. EOF