X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/9a48669f1e9d83422781f6f175c3be8bce80cd26..fcaa7f6237ac2b2b372cb26aed136f8a364d6ed5:/IkiWiki/Wrapper.pm

diff --git a/IkiWiki/Wrapper.pm b/IkiWiki/Wrapper.pm
index d7d7f65b8..dd9971a34 100644
--- a/IkiWiki/Wrapper.pm
+++ b/IkiWiki/Wrapper.pm
@@ -8,7 +8,7 @@ use File::Spec;
 use Data::Dumper;
 use IkiWiki;
 
-sub gen_wrapper () { #{{{
+sub gen_wrapper () {
 	$config{srcdir}=File::Spec->rel2abs($config{srcdir});
 	$config{destdir}=File::Spec->rel2abs($config{destdir});
 	my $this=File::Spec->rel2abs($0);
@@ -59,7 +59,7 @@ EOF
 		# the benefit of this optimisation.
 		$check_commit_hook=<<"EOF";
 	{
-		int fd=open("$config{wikistatedir}/commitlock", O_CREAT | O_RDWR);
+		int fd=open("$config{wikistatedir}/commitlock", O_CREAT | O_RDWR, 0666);
 		if (fd != -1) {
 			if (flock(fd, LOCK_SH | LOCK_NB) != 0)
 				exit(0);
@@ -72,12 +72,16 @@ EOF
 		# Avoid more than one ikiwiki cgi running at a time by
 		# taking a cgi lock. Since ikiwiki uses several MB of
 		# memory, a pile up of processes could cause thrashing
-		# otherwise.
+		# otherwise. The fd of the lock is stored in
+		# IKIWIKI_CGILOCK_FD so unlockwiki can close it.
 		$pre_exec=<<"EOF";
 	{
-		int fd=open("$config{wikistatedir}/cgilock", O_CREAT | O_RDWR);
-		if (fd != -1)
-			flock(fd, LOCK_EX);
+		int fd=open("$config{wikistatedir}/cgilock", O_CREAT | O_RDWR, 0666);
+		if (fd != -1 && flock(fd, LOCK_EX) == 0) {
+			char *fd_s;
+			asprintf(&fd_s, "%i", fd);
+			setenv("IKIWIKI_CGILOCK_FD", fd_s, 1);
+		}
 	}
 EOF
 	}
@@ -169,6 +173,6 @@ EOF
 	#translators: The parameter is a filename.
 	printf(gettext("successfully generated %s"), $wrapper);
 	print "\n";
-} #}}}
+}
 
 1