diff options
Diffstat (limited to 'networking')
| -rw-r--r-- | networking/dnsd.c | 10 | ||||
| -rw-r--r-- | networking/nc_bloaty.c | 14 | ||||
| -rw-r--r-- | networking/sendmail.c | 6 | ||||
| -rw-r--r-- | networking/slattach.c | 10 | ||||
| -rw-r--r-- | networking/telnetd.c | 3 | ||||
| -rw-r--r-- | networking/udhcp/signalpipe.c | 8 |
6 files changed, 31 insertions, 20 deletions
diff --git a/networking/dnsd.c b/networking/dnsd.c index 5e78861..0a52783 100644 --- a/networking/dnsd.c +++ b/networking/dnsd.c @@ -361,14 +361,16 @@ int dnsd_main(int argc, char **argv) dnsentryinit(); signal(SIGINT, interrupt); - /* why? signal(SIGPIPE, SIG_IGN); */ - signal(SIGHUP, SIG_IGN); + bb_signals(0 + /* why? + (1 << SIGPIPE) */ + + (1 << SIGHUP) #ifdef SIGTSTP - signal(SIGTSTP, SIG_IGN); + + (1 << SIGTSTP) #endif #ifdef SIGURG - signal(SIGURG, SIG_IGN); + + (1 << SIGURG) #endif + , SIG_IGN); lsa = xdotted2sockaddr(listen_interface, port); udps = xsocket(lsa->u.sa.sa_family, SOCK_DGRAM, 0); diff --git a/networking/nc_bloaty.c b/networking/nc_bloaty.c index 206c5e5..853577a 100644 --- a/networking/nc_bloaty.c +++ b/networking/nc_bloaty.c @@ -683,14 +683,18 @@ int nc_main(int argc, char **argv) PTR_TO_GLOBALS = xzalloc(sizeof(G)); /* catch a signal or two for cleanup */ - signal(SIGINT, catch); - signal(SIGQUIT, catch); - signal(SIGTERM, catch); + bb_signals(0 + + (1 << SIGINT) + + (1 << SIGQUIT) + + (1 << SIGTERM) + , catch); /* and suppress others... */ + bb_signals(0 #ifdef SIGURG - signal(SIGURG, SIG_IGN); + + (1 << SIGURG) #endif - signal(SIGPIPE, SIG_IGN); /* important! */ + + (1 << SIGPIPE) /* important! */ + , SIG_IGN); proggie = argv; while (*++proggie) { diff --git a/networking/sendmail.c b/networking/sendmail.c index 63305d1..fa995ab 100644 --- a/networking/sendmail.c +++ b/networking/sendmail.c @@ -111,8 +111,10 @@ static void launch_helper(const char **argv) _exit(127); } // parent - check whether child is alive - sig_catch(SIGCHLD, signal_handler); - sig_catch(SIGALRM, signal_handler); + bb_signals_recursive(0 + + (1 << SIGCHLD) + + (1 << SIGALRM) + , signal_handler); signal_handler(SIGCHLD); // child seems OK -> parent goes on } diff --git a/networking/slattach.c b/networking/slattach.c index 17df4fa..e501d82 100644 --- a/networking/slattach.c +++ b/networking/slattach.c @@ -175,10 +175,12 @@ int slattach_main(int argc, char **argv) /* Trap signals in order to restore tty states upon exit */ if (!(opt & OPT_e_quit)) { - signal(SIGHUP, sig_handler); - signal(SIGINT, sig_handler); - signal(SIGQUIT, sig_handler); - signal(SIGTERM, sig_handler); + bb_signals(0 + + (1 << SIGHUP) + + (1 << SIGINT) + + (1 << SIGQUIT) + + (1 << SIGTERM) + , sig_handler); } /* Open tty */ diff --git a/networking/telnetd.c b/networking/telnetd.c index 962e5cc..0bffa97 100644 --- a/networking/telnetd.c +++ b/networking/telnetd.c @@ -279,8 +279,7 @@ make_new_session( setsid(); /* Restore default signal handling */ - signal(SIGCHLD, SIG_DFL); - signal(SIGPIPE, SIG_DFL); + bb_signals((1 << SIGCHLD) + (1 << SIGPIPE), SIG_DFL); /* open the child's side of the tty. */ /* NB: setsid() disconnects from any previous ctty's. Therefore diff --git a/networking/udhcp/signalpipe.c b/networking/udhcp/signalpipe.c index 918abd0..1486b3b 100644 --- a/networking/udhcp/signalpipe.c +++ b/networking/udhcp/signalpipe.c @@ -42,9 +42,11 @@ void udhcp_sp_setup(void) close_on_exec_on(signal_pipe.rd); close_on_exec_on(signal_pipe.wr); ndelay_on(signal_pipe.wr); - signal(SIGUSR1, signal_handler); - signal(SIGUSR2, signal_handler); - signal(SIGTERM, signal_handler); + bb_signals(0 + + (1 << SIGUSR1) + + (1 << SIGUSR2) + + (1 << SIGTERM) + , signal_handler); } |