diff options
Diffstat (limited to 'lib/PublicInbox/Sigfd.pm')
| -rw-r--r-- | lib/PublicInbox/Sigfd.pm | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/lib/PublicInbox/Sigfd.pm b/lib/PublicInbox/Sigfd.pm index ec5d7145..15dedb10 100644 --- a/lib/PublicInbox/Sigfd.pm +++ b/lib/PublicInbox/Sigfd.pm @@ -42,14 +42,15 @@ sub new { # PublicInbox::Daemon in master main loop (blocking) sub wait_once ($) { my ($self) = @_; + # 128 == sizeof(struct signalfd_siginfo) my $r = sysread($self->{sock}, my $buf, 128 * 64); if (defined($r)) { - while (1) { - my $sig = unpack('L', $buf); - my $cb = $self->{sig}->{$sig}; - $cb->($sig) if $cb ne 'IGNORE'; - return $r if length($buf) == 128; - $buf = substr($buf, 128); + my $nr = $r / 128 - 1; # $nr may be -1 + for my $off (0..$nr) { + # the first uint32_t of signalfd_siginfo: ssi_signo + my $signo = unpack('L', substr($buf, 128 * $off, 4)); + my $cb = $self->{sig}->{$signo}; + $cb->($signo) if $cb ne 'IGNORE'; } } $r; |