izackp/mosh
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mosh-server: Ignore signals rather than blocking them

Browse Source 
For pselect() we want to mess with the signal mask, and this is closer to our
intent anyway.
This commit is contained in:
Keegan McAllister
2012-05-05 01:48:50 -04:00
committed by Keith Winstein
parent 7fc1aa30a5
commit 6edc04ed1c
1 changed files with 13 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/frontend/mosh-server.cc
+13 -10
View File
@@ -319,12 +319,12 @@ int run_server( const char *desired_ip, const char *desired_port,
fflush( stdout );
/* don't let signals kill us */
sigset_t signals_to_block;
fatal_assert( sigemptyset( &signals_to_block ) == 0 );
fatal_assert( sigaddset( &signals_to_block, SIGHUP ) == 0 );
fatal_assert( sigaddset( &signals_to_block, SIGPIPE ) == 0 );
fatal_assert( sigprocmask( SIG_BLOCK, &signals_to_block, NULL ) == 0 );
struct sigaction sa;
sa.sa_handler = SIG_IGN;
sa.sa_flags = 0;
fatal_assert( 0 == sigfillset( &sa.sa_mask ) );
fatal_assert( 0 == sigaction( SIGHUP, &sa, NULL ) );
fatal_assert( 0 == sigaction( SIGPIPE, &sa, NULL ) );
struct termios child_termios;
@@ -388,10 +388,13 @@ int run_server( const char *desired_ip, const char *desired_port,
stdout = fdopen( STDOUT_FILENO, "w" );
stderr = fdopen( STDERR_FILENO, "w" );
/* unblock signals */
sigset_t signals_to_block;
fatal_assert( sigemptyset( &signals_to_block ) == 0 );
fatal_assert( sigprocmask( SIG_SETMASK, &signals_to_block, NULL ) == 0 );
/* reenable signals */
struct sigaction sa;
sa.sa_handler = SIG_DFL;
sa.sa_flags = 0;
fatal_assert( 0 == sigfillset( &sa.sa_mask ) );
fatal_assert( 0 == sigaction( SIGHUP, &sa, NULL ) );
fatal_assert( 0 == sigaction( SIGPIPE, &sa, NULL ) );
/* close server-related file descriptors */
delete network;