backup.pl: backup is always started in the background (Forum #80237)

git-svn-id: https://svn.fhem.de/fhem/trunk@15522 2b470e98-0d58-463d-a4d8-8e2adae1ed80

fhem/CHANGED

@@ -1,5 +1,6 @@
 # Add changes at the top of the list. Keep it in ASCII, and 80-char wide.
 # Do not insert empty lines here, update check depends on it.
+  - change: backup is always started in the background (Forum #80237)
   - bugfix: 72_FB_CALLMONITOR: fix not working reverse-search-phonebook 
             file import
   - change: 93_DbLog: V2.22.15, some Log verbose level adapted/added

fhem/FHEM/98_backup.pm

@@ -197,7 +197,7 @@ createArchiv($$)
 
   }
   Log 2, "Backup with command: $cmd";
-  if($cl && ref($cl) eq "HASH" && $cl->{TYPE} && $cl->{TYPE} eq "FHEMWEB") {
+  if(!$fhemForked) {
     use Blocking;
     our $BC_telnetDevice;
     BC_searchTelnet("backup");

fhem/fhem.pl

@@ -247,6 +247,7 @@ use vars qw(@authorize);        # List of authorization devices
 use vars qw(@structChangeHist); # Contains the last 10 structural changes
 use vars qw($haveInet6);        # Using INET6
 use vars qw(%prioQueues);       #
+use vars qw($fhemForked);       # 1 in a fhemFork()'ed process, else undef
 
 $selectTimestamp = gettimeofday();
 $cvsid = '$Id$';
@@ -5006,6 +5007,7 @@ fhemFork()
     }
   }
   $SIG{CHLD} = 'DEFAULT';  # Forum #50898
+  $fhemForked = 1;
   return 0;
 }