link to stuff

[ikiwiki.git] / IkiWiki.pm

diff --git a/IkiWiki.pm b/IkiWiki.pm
index dc9b66344ae8529b24aec6b993e09f951f267b2b..735dc97b14f32dce588410e00b9063342054a668 100644 (file)
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -721,6 +721,10 @@ sub readfile ($;$$) { #{{{
        binmode($in) if ($binary);
        return \*$in if $wantfd;
        my $ret=<$in>;
+       # check for invalid utf-8, and toss it back to avoid crashes
+       if (! utf8::valid($ret)) {
+               $ret=encode_utf8($ret);
+       }
        close $in || error("failed to read $file: $!");
        return $ret;
 } #}}}
@@ -1280,8 +1284,7 @@ sub indexlink () { #{{{
 
 my $wikilock;
 
-sub lockwiki (;$) { #{{{
-       my $wait=@_ ? shift : 1;
+sub lockwiki () { #{{{
        # Take an exclusive lock on the wiki to prevent multiple concurrent
        # run issues. The lock will be dropped on program exit.
        if (! -d $config{wikistatedir}) {
@@ -1289,25 +1292,14 @@ sub lockwiki (;$) { #{{{
        }
        open($wikilock, '>', "$config{wikistatedir}/lockfile") ||
                error ("cannot write to $config{wikistatedir}/lockfile: $!");
-       if (! flock($wikilock, 2 | 4)) { # LOCK_EX | LOCK_NB
-               if ($wait) {
-                       debug("wiki seems to be locked, waiting for lock");
-                       my $wait=600; # arbitrary, but don't hang forever to 
-                                     # prevent process pileup
-                       for (1..$wait) {
-                               return if flock($wikilock, 2 | 4);
-                               sleep 1;
-                       }
-                       error("wiki is locked; waited $wait seconds without lock being freed (possible stuck process or stale lock?)");
-               }
-               else {
-                       return 0;
-               }
+       if (! flock($wikilock, 2)) { # LOCK_EX
+               error("failed to get lock");
        }
        return 1;
 } #}}}
 
 sub unlockwiki () { #{{{
+       POSIX::close($ENV{IKIWIKI_CGILOCK_FD}) if exists $ENV{IKIWIKI_CGILOCK_FD};
        return close($wikilock) if $wikilock;
        return;
 } #}}}