| … | |
… | |
| 23 | =cut |
23 | =cut |
| 24 | |
24 | |
| 25 | package AnyEvent::Strict; |
25 | package AnyEvent::Strict; |
| 26 | |
26 | |
| 27 | use Carp qw(croak); |
27 | use Carp qw(croak); |
|
|
28 | use Errno (); |
|
|
29 | use POSIX (); |
| 28 | |
30 | |
| 29 | use AnyEvent (); BEGIN { AnyEvent::common_sense } |
31 | use AnyEvent (); BEGIN { AnyEvent::common_sense } |
| 30 | |
32 | |
| 31 | AnyEvent::_isa_hook 0 => "AnyEvent::Strict", 1; |
33 | AnyEvent::_isa_hook 1 => "AnyEvent::Strict", 1; |
| 32 | |
34 | |
| 33 | my $magic = []; |
35 | BEGIN { |
| 34 | |
36 | if (defined &Internals::SvREADONLY) { |
| 35 | sub wrap { |
37 | # readonly available (at least 5.8.9+, working better in 5.10.1+) |
|
|
38 | *wrap = sub { |
| 36 | my $cb = shift; |
39 | my $cb = shift; |
| 37 | |
40 | |
| 38 | sub { |
41 | sub { |
|
|
42 | Internals::SvREADONLY $_, 1; |
|
|
43 | &$cb; |
|
|
44 | Internals::SvREADONLY $_, 0; |
|
|
45 | } |
|
|
46 | }; |
|
|
47 | } else { |
|
|
48 | # or not :/ |
|
|
49 | my $magic = []; # a unique magic value |
|
|
50 | |
|
|
51 | *wrap = sub { |
|
|
52 | my $cb = shift; |
|
|
53 | |
|
|
54 | sub { |
| 39 | local $_ = $magic; |
55 | local $_ = $magic; |
| 40 | |
56 | |
| 41 | &$cb; |
57 | &$cb; |
| 42 | |
58 | |
| 43 | if (!ref $_ || $_ != $magic) { |
59 | if (!ref $_ || $_ != $magic) { |
| 44 | require AnyEvent::Debug; |
60 | require AnyEvent::Debug; |
| 45 | die "callback $cb (" . AnyEvent::Debug::cb2str ($cb) . ") modified \$_ without restoring it.\n"; |
61 | die "callback $cb (" . AnyEvent::Debug::cb2str ($cb) . ") modified \$_ without restoring it.\n"; |
|
|
62 | } |
|
|
63 | } |
| 46 | } |
64 | }; |
| 47 | } |
65 | } |
| 48 | } |
66 | } |
| 49 | |
67 | |
|
|
68 | our (@FD_INUSE, $FD_I); |
|
|
69 | our $FD_CHECK_W = AE::timer 4, 4, sub { |
|
|
70 | my $cnt = (@FD_INUSE < 100 * 10 ? int @FD_INUSE * 0.1 : 100) || 10; |
|
|
71 | |
|
|
72 | if ($FD_I <= 0) { |
|
|
73 | #pop @FD_INUSE while @FD_INUSE && !$FD_INUSE[-1]; |
|
|
74 | ($FD_I = @FD_INUSE) >= 0 |
|
|
75 | or return; # empty |
|
|
76 | } |
|
|
77 | |
|
|
78 | $cnt = $FD_I if $cnt > $FD_I; |
|
|
79 | |
|
|
80 | eval { |
|
|
81 | do { |
|
|
82 | !$FD_INUSE[--$FD_I] |
|
|
83 | or (POSIX::lseek $FD_I, 0, 1) != -1 |
|
|
84 | or $! != Errno::EBADF |
|
|
85 | or die; |
|
|
86 | } while --$cnt; |
|
|
87 | 1 |
|
|
88 | } or AE::log crit => "file descriptor $FD_I registered with AnyEvent but prematurely closed, event loop might malfunction.\n"; |
|
|
89 | }; |
|
|
90 | |
| 50 | sub io { |
91 | sub io { |
| 51 | my $class = shift; |
92 | my $class = shift; |
| 52 | my %arg = @_; |
93 | my (%arg, $fh, $cb, $fd) = @_; |
| 53 | |
94 | |
| 54 | ref $arg{cb} |
95 | ref $arg{cb} |
| 55 | or croak "AnyEvent->io called with illegal cb argument '$arg{cb}'"; |
96 | or croak "AnyEvent->io called with illegal cb argument '$arg{cb}'"; |
| 56 | my $cb = wrap delete $arg{cb}; |
97 | $cb = wrap delete $arg{cb}; |
| 57 | |
98 | |
| 58 | $arg{poll} =~ /^[rw]$/ |
99 | $arg{poll} =~ /^[rw]$/ |
| 59 | or croak "AnyEvent->io called with illegal poll argument '$arg{poll}'"; |
100 | or croak "AnyEvent->io called with illegal poll argument '$arg{poll}'"; |
| 60 | |
101 | |
|
|
102 | $fh = delete $arg{fh}; |
|
|
103 | |
| 61 | if ($arg{fh} =~ /^\s*\d+\s*$/) { |
104 | if ($fh =~ /^\s*\d+\s*$/) { |
|
|
105 | $fd = $fh; |
| 62 | $arg{fh} = AnyEvent::_dupfh $arg{poll}, $arg{fh}; |
106 | $fh = AnyEvent::_dupfh $arg{poll}, $fh; |
| 63 | } else { |
107 | } else { |
| 64 | defined eval { fileno $arg{fh} } |
108 | defined eval { $fd = fileno $fh } |
| 65 | or croak "AnyEvent->io called with illegal fh argument '$arg{fh}'"; |
109 | or croak "AnyEvent->io called with illegal fh argument '$fh'"; |
| 66 | } |
110 | } |
| 67 | |
111 | |
| 68 | -f $arg{fh} |
112 | -f $fh |
| 69 | and croak "AnyEvent->io called with fh argument pointing to a file"; |
113 | and croak "AnyEvent->io called with fh argument pointing to a file"; |
| 70 | |
114 | |
| 71 | delete $arg{poll}; |
115 | delete $arg{poll}; |
| 72 | delete $arg{fh}; |
|
|
| 73 | |
116 | |
| 74 | croak "AnyEvent->io called with unsupported parameter(s) " . join ", ", keys %arg |
117 | croak "AnyEvent->io called with unsupported parameter(s) " . join ", ", keys %arg |
| 75 | if keys %arg; |
118 | if keys %arg; |
| 76 | |
119 | |
|
|
120 | ++$FD_INUSE[$fd]; |
|
|
121 | |
|
|
122 | bless [ |
|
|
123 | $fd, |
| 77 | $class->SUPER::io (@_, cb => $cb) |
124 | $class->SUPER::io (@_, cb => $cb) |
|
|
125 | ], "AnyEvent::Strict::io"; |
|
|
126 | } |
|
|
127 | |
|
|
128 | sub AnyEvent::Strict::io::DESTROY { |
|
|
129 | --$FD_INUSE[$_[0][0]]; |
| 78 | } |
130 | } |
| 79 | |
131 | |
| 80 | sub timer { |
132 | sub timer { |
| 81 | my $class = shift; |
133 | my $class = shift; |
| 82 | my %arg = @_; |
134 | my %arg = @_; |
| … | |
… | |
| 158 | my @cb = exists $arg{cb} ? (cb => wrap delete $arg{cb}) : (); |
210 | my @cb = exists $arg{cb} ? (cb => wrap delete $arg{cb}) : (); |
| 159 | |
211 | |
| 160 | croak "AnyEvent->condvar called with unsupported parameter(s) " . join ", ", keys %arg |
212 | croak "AnyEvent->condvar called with unsupported parameter(s) " . join ", ", keys %arg |
| 161 | if keys %arg; |
213 | if keys %arg; |
| 162 | |
214 | |
| 163 | $class->SUPER::condvar (@_, @cb); |
215 | $class->SUPER::condvar (@cb); |
| 164 | } |
216 | } |
| 165 | |
217 | |
| 166 | sub time { |
218 | sub time { |
| 167 | my $class = shift; |
219 | my $class = shift; |
| 168 | |
220 | |
