| … | |
… | |
| 1070 | |
1070 | |
| 1071 | sub signal { |
1071 | sub signal { |
| 1072 | my (undef, %arg) = @_; |
1072 | my (undef, %arg) = @_; |
| 1073 | |
1073 | |
| 1074 | unless ($SIGPIPE_R) { |
1074 | unless ($SIGPIPE_R) { |
|
|
1075 | require Fcntl; |
|
|
1076 | |
| 1075 | if (AnyEvent::WIN32) { |
1077 | if (AnyEvent::WIN32) { |
|
|
1078 | require AnyEvent::Util; |
|
|
1079 | |
| 1076 | ($SIGPIPE_R, $SIGPIPE_W) = AnyEvent::Util::portable_pipe (); |
1080 | ($SIGPIPE_R, $SIGPIPE_W) = AnyEvent::Util::portable_pipe (); |
| 1077 | AnyEvent::Util::fh_nonblocking ($SIGPIPE_R) if $SIGPIPE_R; |
1081 | AnyEvent::Util::fh_nonblocking ($SIGPIPE_R) if $SIGPIPE_R; |
| 1078 | AnyEvent::Util::fh_nonblocking ($SIGPIPE_W) if $SIGPIPE_W; # just in case |
1082 | AnyEvent::Util::fh_nonblocking ($SIGPIPE_W) if $SIGPIPE_W; # just in case |
| 1079 | } else { |
1083 | } else { |
| 1080 | pipe $SIGPIPE_R, $SIGPIPE_W; |
1084 | pipe $SIGPIPE_R, $SIGPIPE_W; |
| 1081 | require Fcntl; |
|
|
| 1082 | fcntl $SIGPIPE_R, &Fcntl::F_SETFL, &Fcntl::O_NONBLOCK if $SIGPIPE_R; |
1085 | fcntl $SIGPIPE_R, &Fcntl::F_SETFL, &Fcntl::O_NONBLOCK if $SIGPIPE_R; |
| 1083 | fcntl $SIGPIPE_W, &Fcntl::F_SETFL, &Fcntl::O_NONBLOCK if $SIGPIPE_W; # just in case |
1086 | fcntl $SIGPIPE_W, &Fcntl::F_SETFL, &Fcntl::O_NONBLOCK if $SIGPIPE_W; # just in case |
| 1084 | } |
1087 | } |
| 1085 | |
1088 | |
| 1086 | $SIGPIPE_R |
1089 | $SIGPIPE_R |
| 1087 | or Carp::croak "AnyEvent: unable to create a signal reporting pipe: $!\n"; |
1090 | or Carp::croak "AnyEvent: unable to create a signal reporting pipe: $!\n"; |
| 1088 | |
1091 | |
|
|
1092 | # not strictly required, as $^F is normally 2, but let's make sure... |
|
|
1093 | fcntl $SIGPIPE_R, &Fcntl::F_SETFD, &Fcntl::FD_CLOEXEC; |
|
|
1094 | fcntl $SIGPIPE_W, &Fcntl::F_SETFD, &Fcntl::FD_CLOEXEC; |
|
|
1095 | |
| 1089 | $SIG_IO = AnyEvent->io (fh => $SIGPIPE_R, poll => "r", cb => \&_signal_exec); |
1096 | $SIG_IO = AnyEvent->io (fh => $SIGPIPE_R, poll => "r", cb => \&_signal_exec); |
| 1090 | } |
1097 | } |
| 1091 | |
1098 | |
| 1092 | my $signal = uc $arg{signal} |
1099 | my $signal = uc $arg{signal} |
| 1093 | or Carp::croak "required option 'signal' is missing"; |
1100 | or Carp::croak "required option 'signal' is missing"; |
| 1094 | |
1101 | |
| 1095 | $SIG_CB{$signal}{$arg{cb}} = $arg{cb}; |
1102 | $SIG_CB{$signal}{$arg{cb}} = $arg{cb}; |
| 1096 | $SIG{$signal} ||= sub { |
1103 | $SIG{$signal} ||= sub { |
|
|
1104 | local $!; |
| 1097 | syswrite $SIGPIPE_W, "\x00", 1 unless %SIG_EV; |
1105 | syswrite $SIGPIPE_W, "\x00", 1 unless %SIG_EV; |
| 1098 | undef $SIG_EV{$signal}; |
1106 | undef $SIG_EV{$signal}; |
| 1099 | }; |
1107 | }; |
| 1100 | |
1108 | |
| 1101 | bless [$signal, $arg{cb}], "AnyEvent::Base::Signal" |
1109 | bless [$signal, $arg{cb}], "AnyEvent::Base::Signal" |
