support for fo_delete.pl

[selfforum.git] / selfforum-cgi / shared / Lock / Unlink.pm

diff --git a/selfforum-cgi/shared/Lock/Unlink.pm b/selfforum-cgi/shared/Lock/Unlink.pm
index b4770f37c0d83aeac8376a8c1bbcabc3094e2cda..0042ff743d0e3195d70b5fdaf09aedd5be1e5b41 100644 (file)
--- a/selfforum-cgi/shared/Lock/Unlink.pm
+++ b/selfforum-cgi/shared/Lock/Unlink.pm
@@ -24,7 +24,7 @@ use Fcntl;
 #
 sub VERSION {(q$Revision$ =~ /([\d.]+)\s*$/)[0] or '0.0'}
 
 #
 sub VERSION {(q$Revision$ =~ /([\d.]+)\s*$/)[0] or '0.0'}
 

-### sub _simple_lock ###########################################################
+### _simple_lock () ############################################################

 #
 # simple file lock
 # (unlink lock file)
 #
 # simple file lock
 # (unlink lock file)


@@ -42,7 +42,7 @@ sub _simple_lock {
   return;
 }
 
   return;
 }
 

-### sub _simple_unlock #########################################################
+### _simple_unlock () ##########################################################

 #
 # simple file unlock
 # (create lock file)
 #
 # simple file unlock
 # (create lock file)


@@ -65,7 +65,7 @@ sub _simple_unlock {
   return;
 }
 
   return;
 }
 

-### sub _reftime ###############################################################
+### _reftime () ################################################################

 #
 # determine reference time for violent unlock
 #
 #
 # determine reference time for violent unlock
 #


@@ -86,7 +86,7 @@ sub _reftime {
   $time;
 }
 
   $time;
 }
 

-### sub masterlocked ###########################################################
+### masterlocked () ############################################################

 #
 # check on master lock status of the file
 #
 #
 # check on master lock status of the file
 #


@@ -96,7 +96,7 @@ sub _reftime {
 #
 sub masterlocked {not -f shift -> masterlock}
 
 #
 sub masterlocked {not -f shift -> masterlock}
 

-### sub excl_announced #########################################################
+### excl_announced () ##########################################################

 #
 # check on exclusive lock announced status of the file
 #
 #
 # check on exclusive lock announced status of the file
 #


@@ -106,7 +106,7 @@ sub masterlocked {not -f shift -> masterlock}
 #
 sub excl_announced {not -f shift -> lockfile}
 
 #
 sub excl_announced {not -f shift -> lockfile}
 

-### sub exsh_announced #########################################################
+### exsh_announced () ##########################################################

 #
 # check on exclusive shared lock status of the file
 #
 #
 # check on exclusive shared lock status of the file
 #


@@ -116,6 +116,26 @@ sub excl_announced {not -f shift -> lockfile}
 #
 sub exsh_announced {not -f shift -> exshlock}
 
 #
 sub exsh_announced {not -f shift -> exshlock}
 

+### purge () ###################################################################
+#
+# cover our traces after a file was removed
+#
+# Params: ~none~
+#
+# Return: ~none~
+#
+sub purge {
+  my $self = shift;
+
+  $self -> set_ref (0);          # reference counter = 0
+  unlink ($self -> reflock);     # remove reference counter lock
+  unlink ($self -> lockfile);    # remove any write lock announce
+  unlink ($self -> exshlock);    # remove any excl shared lock
+  unlink ($self -> masterlock);  # remove master lock
+
+  return;
+}
+

 # keep 'require' happy
 1;
 
 # keep 'require' happy
 1;