… | |
… | |
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 Fcntl (); |
28 | use Errno (); |
|
|
29 | use POSIX (); |
29 | |
30 | |
30 | use AnyEvent (); BEGIN { AnyEvent::common_sense } |
31 | use AnyEvent (); BEGIN { AnyEvent::common_sense } |
31 | |
32 | |
32 | AnyEvent::_isa_hook 1 => "AnyEvent::Strict", 1; |
33 | AnyEvent::_isa_hook 1 => "AnyEvent::Strict", 1; |
33 | |
34 | |
… | |
… | |
62 | } |
63 | } |
63 | }; |
64 | }; |
64 | } |
65 | } |
65 | } |
66 | } |
66 | |
67 | |
67 | our (@FD_INUSE, @FD_FH, $FD_I); |
68 | our (@FD_INUSE, $FD_I); |
68 | our $FD_CHECK_W = AE::timer 4, 4, sub { |
69 | our $FD_CHECK_W = AE::timer 4, 4, sub { |
69 | my $cnt = (@FD_INUSE < 100 * 10 ? int @FD_INUSE * 0.1 : 100) || 1; |
70 | my $cnt = (@FD_INUSE < 100 * 10 ? int @FD_INUSE * 0.1 : 100) || 1; |
70 | |
71 | |
71 | if ($FD_I <= 0) { |
72 | if ($FD_I <= 0) { |
72 | #pop @FD_INUSE while @FD_INUSE && !$FD_INUSE[-1]; # also $FD_FH |
73 | #pop @FD_INUSE while @FD_INUSE && !$FD_INUSE[-1]; |
73 | ($FD_I = @FD_INUSE) >= 0 |
74 | ($FD_I = @FD_INUSE) >= 0 |
74 | or return; # empty |
75 | or return; # empty |
75 | } |
76 | } |
76 | |
77 | |
77 | $cnt = $FD_I + 1 if $cnt > $FD_I; |
78 | $cnt = $FD_I + 1 if $cnt > $FD_I; |
78 | |
79 | |
79 | eval { |
80 | eval { |
80 | do { |
81 | do { |
81 | !$FD_FH[--$FD_I] |
82 | !$FD_INUSE[--$FD_I] |
82 | or fcntl $FD_FH[$FD_I], Fcntl::F_GETFL(), 0 |
83 | or (POSIX::lseek $FD_I, 0, 1) != -1 |
|
|
84 | or $! != Errno::EBADF |
83 | or die; |
85 | or die; |
84 | } while --$cnt; |
86 | } while --$cnt; |
85 | 1 |
87 | 1 |
86 | } or AE::log crit => "file descriptor $FD_I registered with AnyEvent but prematurely closed, event loop might malfunction.\n"; |
88 | } or AE::log crit => "file descriptor $FD_I registered with AnyEvent but prematurely closed, event loop might malfunction.\n"; |
87 | }; |
89 | }; |
88 | |
90 | |
89 | sub io { |
91 | sub io { |
90 | my $class = shift; |
92 | my $class = shift; |
91 | my (%arg, $fh, $cb) = @_; |
93 | my (%arg, $fh, $cb, $fd) = @_; |
92 | |
94 | |
93 | ref $arg{cb} |
95 | ref $arg{cb} |
94 | or croak "AnyEvent->io called with illegal cb argument '$arg{cb}'"; |
96 | or croak "AnyEvent->io called with illegal cb argument '$arg{cb}'"; |
95 | $cb = wrap delete $arg{cb}; |
97 | $cb = wrap delete $arg{cb}; |
96 | |
98 | |
… | |
… | |
98 | or croak "AnyEvent->io called with illegal poll argument '$arg{poll}'"; |
100 | or croak "AnyEvent->io called with illegal poll argument '$arg{poll}'"; |
99 | |
101 | |
100 | $fh = delete $arg{fh}; |
102 | $fh = delete $arg{fh}; |
101 | |
103 | |
102 | if ($fh =~ /^\s*\d+\s*$/) { |
104 | if ($fh =~ /^\s*\d+\s*$/) { |
|
|
105 | $fd = $fh; |
103 | $fh = AnyEvent::_dupfh $arg{poll}, $fh; |
106 | $fh = AnyEvent::_dupfh $arg{poll}, $fh; |
104 | } else { |
107 | } else { |
105 | defined eval { fileno $fh } |
108 | defined eval { $fd = fileno $fh } |
106 | or croak "AnyEvent->io called with illegal fh argument '$fh'"; |
109 | or croak "AnyEvent->io called with illegal fh argument '$fh'"; |
107 | } |
110 | } |
108 | |
111 | |
109 | -f $fh |
112 | -f $fh |
110 | 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"; |
… | |
… | |
112 | delete $arg{poll}; |
115 | delete $arg{poll}; |
113 | |
116 | |
114 | croak "AnyEvent->io called with unsupported parameter(s) " . join ", ", keys %arg |
117 | croak "AnyEvent->io called with unsupported parameter(s) " . join ", ", keys %arg |
115 | if keys %arg; |
118 | if keys %arg; |
116 | |
119 | |
117 | ++$FD_INUSE[fileno $fh]; |
120 | ++$FD_INUSE[$fd]; |
118 | $FD_FH[fileno $$fh] = $fh; |
|
|
119 | |
121 | |
120 | bless [ |
122 | bless [ |
121 | fileno $fh, |
123 | $fd, |
122 | $class->SUPER::io (@_, cb => $cb) |
124 | $class->SUPER::io (@_, cb => $cb) |
123 | ], "AnyEvent::Strict::io"; |
125 | ], "AnyEvent::Strict::io"; |
124 | } |
126 | } |
125 | |
127 | |
126 | sub AnyEvent::Strict::io::DESTROY { |
128 | sub AnyEvent::Strict::io::DESTROY { |
127 | --$FD_INUSE[$_[0][0]] |
129 | --$FD_INUSE[$_[0][0]]; |
128 | or delete $FD_FH[$_[0][0]]; |
|
|
129 | } |
130 | } |
130 | |
131 | |
131 | sub timer { |
132 | sub timer { |
132 | my $class = shift; |
133 | my $class = shift; |
133 | my %arg = @_; |
134 | my %arg = @_; |