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Block HUP and PIPE from killing server

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This commit is contained in:
Keith Winstein
2012-02-02 03:03:29 -05:00
parent d8259efbd2
commit 3078e58ccd
1 changed files with 6 additions and 8 deletions
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stm-server.cpp
+6 -8
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@@ -118,16 +118,14 @@ void serve( int host_fd )
assert( sigemptyset( &signal_mask ) == 0 );
assert( sigaddset( &signal_mask, SIGTERM ) == 0 );
assert( sigaddset( &signal_mask, SIGINT ) == 0 );
/*
assert( sigaddset( &signal_mask, SIGHUP ) == 0 );
assert( sigaddset( &signal_mask, SIGPIPE ) == 0 );
assert( sigaddset( &signal_mask, SIGTSTP ) == 0 );
assert( sigaddset( &signal_mask, SIGSTOP ) == 0 );
assert( sigaddset( &signal_mask, SIGCONT ) == 0 );
*/
sigset_t signals_to_block = signal_mask;
assert( sigaddset( &signals_to_block, SIGHUP ) == 0 );
assert( sigaddset( &signals_to_block, SIGPIPE ) == 0 );
/* don't let signals kill us */
assert( sigprocmask( SIG_BLOCK, &signal_mask, NULL ) == 0 );
assert( sigprocmask( SIG_BLOCK, &signals_to_block, NULL ) == 0 );
int shutdown_signal_fd = signalfd( -1, &signal_mask, 0 );
if ( shutdown_signal_fd < 0 ) {