No ext_urls

[public-inbox.git] / t / run.perl

diff --git a/t/run.perl b/t/run.perl
index e5ee0ade3de72ca57467e27f72f128b27484de0e..f68dab607f2693c53edb9d517b9ff93150fbae5a 100755 (executable)
--- a/t/run.perl
+++ b/t/run.perl
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# Copyright (C) 2019-2021 all contributors <meta@public-inbox.org>
+# Copyright (C) all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 #
 # Parallel test runner which preloads code and reuses worker processes
@@ -10,8 +10,7 @@
 #
 # Usage: $PERL -I lib -w t/run.perl -j4
 # Or via prove(1): prove -lvw t/run.perl :: -j4
-use strict;
-use v5.10.1;
+use v5.12;
 use IO::Handle; # ->autoflush
 use PublicInbox::TestCommon;
 use PublicInbox::Spawn;
@@ -86,6 +85,10 @@ if ($shuffle) {
        @tests = sort {
                ($t->{$b}->{elapsed} // 0) <=> ($t->{$a}->{elapsed} // 0)
        } @tests;
+       say "# top 10 longest tests (`make check' regenerates)";
+       for (@tests[0..9]) {
+               printf "# %0.6f %s\n", $t->{$_}->{elapsed}, $_;
+       }
 }
 
 our $tb = Test::More->builder;
@@ -167,7 +170,8 @@ my $start_worker = sub {
        my ($j, $rd, $wr, $todo) = @_;
        my $pid = fork // DIE "fork: $!";
        if ($pid == 0) {
-               close $wr if $wr;
+               close $wr;
+               $SIG{USR1} = undef; # undo parent $SIG{USR1}
                $worker = $$;
                while (1) {
                        my $r = sysread($rd, my $buf, UINT_SIZE);
@@ -182,7 +186,10 @@ my $start_worker = sub {
                        $tb->reset;
                }
                kill 'USR1', $producer if !$eof; # sets $eof in $producer
-               DIE join('', map { "E: $_\n" } @err) if @err;
+               if (@err) { # write to run_log for $sigchld handler
+                       syswrite($run_log, "$$ @err\n");
+                       DIE join('', map { "E: $_\n" } @err);
+               }
                exit(0);
        } else {
                $pids{$pid} = $j;
@@ -199,15 +206,11 @@ for (my $i = $repeat; $i != 0; $i--) {
        pipe(my ($rd, $wr)) or DIE "pipe: $!";
 
        # fill the queue before forking so children can start earlier
-       my $n = (POSIX::PIPE_BUF / UINT_SIZE);
-       if ($n >= $#todo) {
-               print $wr join('', map { pack('I', $_) } (0..$#todo)) or DIE;
-               undef $wr;
-       } else { # write what we can...
-               $wr->autoflush(1);
-               print $wr join('', map { pack('I', $_) } (0..$n)) or DIE;
-               $n += 1; # and send more ($n..$#todo), later
-       }
+       $wr->autoflush(1);
+       $wr->blocking(0);
+       my $todo_buf = join('', map { pack('I', $_) } (0..$#todo));
+       my $woff = syswrite($wr, $todo_buf) // DIE "syswrite: $!";
+       substr($todo_buf, 0, $woff, '');
        $eof = undef;
        local $SIG{USR1} = sub { $eof = 1 };
        my $sigchld = sub {
@@ -239,12 +242,13 @@ for (my $i = $repeat; $i != 0; $i--) {
        for (my $j = 0; $j < $jobs; $j++) {
                $start_worker->($j, $rd, $wr, \@todo);
        }
-       if ($wr) {
+       {
                local $SIG{CHLD} = $sigchld;
                # too many tests to fit in the pipe before starting workers,
                # send the rest now the workers are running
-               print $wr join('', map { pack('I', $_) } ($n..$#todo)) or DIE;
-               undef $wr;
+               $wr->blocking(1);
+               print $wr $todo_buf or DIE;
+               close $wr;
        }
 
        $sigchld->(0) while scalar(keys(%pids));