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/cvs/AnyEvent/constants.pl.PL
Revision: 1.12
Committed: Sat Sep 22 00:22:59 2012 UTC (12 years, 1 month ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-7_04, rel-7_03
Changes since 1.11: +1 -1 lines
Log Message:
fix error message (Zsbán Ambrus)

File Contents

# Content
1 #! perl
2
3 # this file is unfortunately only executed at Makefile.PL time
4
5 use Config;
6
7 # when built as part of perl, these are not available
8 BEGIN { eval "use Socket ()" }
9 BEGIN { eval "use Fcntl ()" }
10 BEGIN { eval "use POSIX ()" }
11
12 open my $fh, ">lib/AnyEvent/constants.pl"
13 or die "lib/AnyEvent/constants.pl: $!\n";
14
15 my $oldstdout = select $fh;
16
17 print "# automatically generated from constants.pl.PL for perl $] built for $Config{archname}\n";
18
19 sub i($$) {
20 print "sub $_[0](){", $_[1]*1, "}\n";
21 }
22
23 sub n($$) {
24 print "sub $_[0](){", (defined $_[1] ? $_[1]*1 : "undef"), "}\n";
25 }
26
27 print "package AnyEvent;\n";
28
29 our $WIN32 = $^O =~ /mswin32/i;
30
31 # used a lot
32 i CYGWIN => $^O =~ /cygwin/i;
33 i WIN32 => $WIN32;
34
35 # add these purely to avoid loading Fcntl, which is slow and bloated.
36
37 i F_SETFD => eval { Fcntl::F_SETFD() } || 2;
38 i F_SETFL => eval { Fcntl::F_SETFL() } || 4;
39 i O_NONBLOCK => eval { Fcntl::O_NONBLOCK() } || 04000;
40 i FD_CLOEXEC => eval { Fcntl::FD_CLOEXEC() } || 1;
41
42 print "package AnyEvent::Base;\n";
43
44 # add these purely to avoid loading POSIX, which is slow and bloated.
45
46 i WNOHANG => eval { POSIX::WNOHANG() } || 1;
47
48 print "package AnyEvent::IO;\n";
49
50 i O_RDONLY => eval { Fcntl::O_RDONLY() } || 0;
51 i O_WRONLY => eval { Fcntl::O_WRONLY() } || 1;
52 i O_RDWR => eval { Fcntl::O_RDWR () } || 2;
53 i O_CREAT => eval { Fcntl::O_CREAT () } || 64;
54 i O_EXCL => eval { Fcntl::O_EXCL () } || 128;
55 i O_TRUNC => eval { Fcntl::O_TRUNC () } || 512;
56 i O_APPEND => eval { Fcntl::O_APPEND() } || 1024;
57
58 print "package AnyEvent::Util;\n";
59
60 # broken windows perls use undocumented error codes...
61 if ($WIN32) {
62 i WSAEINVAL => 10022;
63 i WSAEWOULDBLOCK => 10035;
64 i WSAEINPROGRESS => 10036;
65 } else {
66 # these should never match any errno value
67 i WSAEINVAL => -1e99;
68 i WSAEWOULDBLOCK => -1e99;
69 i WSAEINPROGRESS => -1e99;
70 }
71
72 my $af_inet6;
73
74 $af_inet6 ||= eval { Socket::AF_INET6 () }; # where it should be
75 $af_inet6 ||= eval { require Socket6; Socket6::AF_INET6() }; # where it actually is ...
76
77 # ... or isn't, because nobody has it installed
78 $af_inet6 ||= 10 if $^O =~ /linux/;
79 $af_inet6 ||= 23 if $^O =~ /cygwin/i;
80 $af_inet6 ||= 23 if AnyEvent::WIN32;
81 $af_inet6 ||= 24 if $^O =~ /openbsd|netbsd/;
82 $af_inet6 ||= 28 if $^O =~ /freebsd/;
83
84 #TODO: EDOM/ESPIPE
85 #TODO: maybe move socket stuff to Socket::?
86
87 i _AF_INET6 => $af_inet6;
88 #i AF_UNIX => Socket::AF_UNIX ();
89 #i SOCK_STREAM => Socket::SOCK_STREAM ();
90 #i SOCK_DGRAM => Socket::SOCK_DGRAM ();
91 #i SOL_SOCKET => Socket::SOL_SOCKET ();
92 #i SO_REUSEADDR => Socket::SO_REUSEADDR ();
93 #i SO_KEEPALIVE => Socket::SO_KEEPALIVE ();
94 #i SO_OOBINLINE => Socket::SO_OOBINLINE ();
95 #i IPPROTO_TCP => Socket::IPPROTO_TCP ();
96
97 print "package AnyEvent::Socket;\n";
98
99 # more hardcoded os-specific constants - none
100 # of these are available via any known module, but we
101 # are forward-looking and try Socket:: anyways.
102 my %const;
103
104 while (<DATA>) {
105 my ($os, $name, $default) = split /\s+/;
106
107 $const{$name} ||= undef; # make sure it exists
108
109 next unless $os eq $^O;
110
111 my $value = eval "Socket::$name ()";
112 $value = eval $default unless defined $value;
113
114 $const{$name} = $value;
115 }
116
117 for my $k (sort keys %const) {
118 n $k, $const{$k};
119 }
120
121 print "1;\n";
122
123 close $fh;
124 select $oldstdout;
125
126 1
127
128 __DATA__
129 linux TCP_MAXSEG 2
130 linux TCP_CORK 3
131 linux TCP_KEEPIDLE 4
132 linux TCP_KEEPINTVL 5
133 linux TCP_KEEPCNT 6
134 linux TCP_SYNCNT 7
135 linux TCP_LINGER2 8
136 linux TCP_DEFER_ACCEPT 9
137 linux TCP_WINDOW_CLAMP 10
138 linux TCP_INFO 11
139 linux TCP_QUICKACK 12
140 linux TCP_CONGESTION 13
141 linux TCP_MD5SIG 14
142 netbsd TCP_MAXSEG 2
143 netbsd TCP_KEEPIDLE 3
144 netbsd TCP_NOPUSH 4
145 netbsd TCP_KEEPINTVL 5
146 netbsd TCP_KEEPCNT 6
147 netbsd TCP_KEEPINIT 7
148 netbsd TCP_NOOPT 8
149 netbsd TCP_MD5SIG 0x10
150 netbsd TCP_CONGESTION 0x20
151 cygwin TCP_MAXSEG 0x02
152 cygwin TCP_NOPUSH 0x04
153 cygwin TCP_NOOPT 0x08
154 freebsd TCP_MAXSEG 0x02
155 freebsd TCP_NOPUSH 0x04
156 freebsd TCP_NOOPT 0x08
157 freebsd TCP_MD5SIG 0x10
158 freebsd TCP_INFO 0x20
159 freebsd TCP_CONGESTION 0x40
160 solaris TCP_CORK 0x18
161 solaris TCP_LINGER2 0x1C
162 solaris TCP_INIT_CWND 0x15
163 solaris TCP_KEEPALIVE 0x8
164 solaris TCP_MAXSEG 0x02
165 openbsd TCP_MAXSEG 0x02
166 openbsd TCP_MD5SIG 0x04
167 openbsd TCP_SACK_ENABLE 0x08
168 darwin TCP_MAXSEG 0x02
169 darwin TCP_NOPUSH 0x04
170 darwin TCP_NOOPT 0x08
171 darwin TCP_KEEPALIVE 0x10
172 darwin TCP_CONNECTIONTIMEOUT 0x20