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fhem.pl: cleaner code for HUP (Forum #75408)

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git-svn-id: https://svn.fhem.de/fhem/trunk@14944 2b470e98-0d58-463d-a4d8-8e2adae1ed80
This commit is contained in:
rudolfkoenig 2017-08-22 14:34:02 +00:00
parent 996bd70f08
commit 89fa15c25e
1 changed files with 9 additions and 4 deletions
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13
fhem/fhem.pl
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@ -257,7 +257,7 @@ my $logopened = 0; # logfile opened or using stdout
my $namedef = "where <name> is a single device name, a list separated by komma (,) or a regexp. See the devspec section in the commandref.html for details.\n";
my $rcvdquit; # Used for quit handling in init files
my $readingsUpdateDelayTrigger; # needed internally
my $sig_term = 0; # if set to 1, terminate (saving the state)
my $gotSig; # non-undef if got a signal
my $wbName = ".WRITEBUFFER"; # Buffer-name for delayed writing via select
my %comments; # Comments from the include files
my %duplicate; # Pool of received msg for multi-fhz/cul setups
@ -618,6 +618,7 @@ sub MAIN {MAIN:}; #Dummy
my $errcount= 0;
$gotSig = undef if($gotSig && $gotSig eq "HUP");
while (1) {
my ($rout,$rin, $wout,$win, $eout,$ein) = ('','', '','', '','');
@ -642,7 +643,11 @@ while (1) {
my $nfound = select($rout=$rin, $wout=$win, $eout=$ein, $timeout);
$winService->{serviceCheck}->() if($winService->{serviceCheck});
CommandShutdown(undef, undef) if($sig_term);
if($gotSig) {
CommandShutdown(undef, undef) if($gotSig eq "TERM");
CommandRereadCfg(undef, "") if($gotSig eq "HUP");
$gotSig = undef;
}
if($nfound < 0) {
my $err = int($!);
@ -3105,10 +3110,10 @@ sub
SignalHandling()
{
if($^O ne "MSWin32") {
$SIG{TERM} = sub { $sig_term = 1; };
$SIG{TERM} = sub { $gotSig = "TERM"; };
$SIG{PIPE} = 'IGNORE';
$SIG{CHLD} = 'IGNORE';
$SIG{HUP} = sub { CommandRereadCfg(undef, "") };
$SIG{HUP} = sub { $gotSig = "HUP"; };
$SIG{ALRM} = sub { Log 1, "ALARM signal, blocking write?" };
#$SIG{'XFSZ'} = sub { Log 1, "XFSZ signal" }; # to test with limit filesize
}