ds: block signals when reaping

This lets us call dwaitpid long before a process exits
and not have to wait around for it.

This is advantageous for lei where we can run dwaitpid on the
pager as soon as we spawn it, instead of waiting for a client
socket to go away on DESTROY.

1 files changed, 1 insertions, 11 deletions

diff --git a/lib/PublicInbox/Sigfd.pm b/lib/PublicInbox/Sigfd.pm
index db0bf523..a4d1b3bb 100644
--- a/lib/PublicInbox/Sigfd.pm
+++ b/lib/PublicInbox/Sigfd.pm
@@ -7,7 +7,7 @@ package PublicInbox::Sigfd;
 use strict;
 use parent qw(PublicInbox::DS);
 use PublicInbox::Syscall qw(signalfd EPOLLIN EPOLLET SFD_NONBLOCK);
-use POSIX qw(:signal_h);
+use POSIX ();
 use IO::Handle ();
 
 # returns a coderef to unblock signals if neither signalfd or kqueue
@@ -63,14 +63,4 @@ sub event_step {
         while (wait_once($_[0])) {} # non-blocking
 }
 
-sub sig_setmask { sigprocmask(SIG_SETMASK, @_) or die "sigprocmask: $!" }
-
-sub block_signals () {
-        my $oldset = POSIX::SigSet->new;
-        my $newset = POSIX::SigSet->new;
-        $newset->fillset or die "fillset: $!";
-        sig_setmask($newset, $oldset);
-        $oldset;
-}
-
 1;