diff options
Diffstat (limited to 'tests/server/sockfilt.c')
-rw-r--r-- | tests/server/sockfilt.c | 136 |
1 files changed, 2 insertions, 134 deletions
diff --git a/tests/server/sockfilt.c b/tests/server/sockfilt.c index 83ba08a98..166b75b38 100644 --- a/tests/server/sockfilt.c +++ b/tests/server/sockfilt.c @@ -147,138 +147,6 @@ enum sockmode { ACTIVE_DISCONNECT /* as a client, disconnected from server */ }; -/* do-nothing macro replacement for systems which lack siginterrupt() */ - -#ifndef HAVE_SIGINTERRUPT -#define siginterrupt(x,y) do {} while(0) -#endif - -/* vars used to keep around previous signal handlers */ - -typedef RETSIGTYPE (*SIGHANDLER_T)(int); - -#ifdef SIGHUP -static SIGHANDLER_T old_sighup_handler = SIG_ERR; -#endif - -#ifdef SIGPIPE -static SIGHANDLER_T old_sigpipe_handler = SIG_ERR; -#endif - -#ifdef SIGALRM -static SIGHANDLER_T old_sigalrm_handler = SIG_ERR; -#endif - -#ifdef SIGINT -static SIGHANDLER_T old_sigint_handler = SIG_ERR; -#endif - -#ifdef SIGTERM -static SIGHANDLER_T old_sigterm_handler = SIG_ERR; -#endif - -#if defined(SIGBREAK) && defined(WIN32) -static SIGHANDLER_T old_sigbreak_handler = SIG_ERR; -#endif - -/* var which if set indicates that the program should finish execution */ - -SIG_ATOMIC_T got_exit_signal = 0; - -/* if next is set indicates the first signal handled in exit_signal_handler */ - -static volatile int exit_signal = 0; - -/* signal handler that will be triggered to indicate that the program - should finish its execution in a controlled manner as soon as possible. - The first time this is called it will set got_exit_signal to one and - store in exit_signal the signal that triggered its execution. */ - -static RETSIGTYPE exit_signal_handler(int signum) -{ - int old_errno = errno; - if(got_exit_signal == 0) { - got_exit_signal = 1; - exit_signal = signum; - } - (void)signal(signum, exit_signal_handler); - errno = old_errno; -} - -static void install_signal_handlers(void) -{ -#ifdef SIGHUP - /* ignore SIGHUP signal */ - old_sighup_handler = signal(SIGHUP, SIG_IGN); - if(old_sighup_handler == SIG_ERR) - logmsg("cannot install SIGHUP handler: %s", strerror(errno)); -#endif -#ifdef SIGPIPE - /* ignore SIGPIPE signal */ - old_sigpipe_handler = signal(SIGPIPE, SIG_IGN); - if(old_sigpipe_handler == SIG_ERR) - logmsg("cannot install SIGPIPE handler: %s", strerror(errno)); -#endif -#ifdef SIGALRM - /* ignore SIGALRM signal */ - old_sigalrm_handler = signal(SIGALRM, SIG_IGN); - if(old_sigalrm_handler == SIG_ERR) - logmsg("cannot install SIGALRM handler: %s", strerror(errno)); -#endif -#ifdef SIGINT - /* handle SIGINT signal with our exit_signal_handler */ - old_sigint_handler = signal(SIGINT, exit_signal_handler); - if(old_sigint_handler == SIG_ERR) - logmsg("cannot install SIGINT handler: %s", strerror(errno)); - else - siginterrupt(SIGINT, 1); -#endif -#ifdef SIGTERM - /* handle SIGTERM signal with our exit_signal_handler */ - old_sigterm_handler = signal(SIGTERM, exit_signal_handler); - if(old_sigterm_handler == SIG_ERR) - logmsg("cannot install SIGTERM handler: %s", strerror(errno)); - else - siginterrupt(SIGTERM, 1); -#endif -#if defined(SIGBREAK) && defined(WIN32) - /* handle SIGBREAK signal with our exit_signal_handler */ - old_sigbreak_handler = signal(SIGBREAK, exit_signal_handler); - if(old_sigbreak_handler == SIG_ERR) - logmsg("cannot install SIGBREAK handler: %s", strerror(errno)); - else - siginterrupt(SIGBREAK, 1); -#endif -} - -static void restore_signal_handlers(void) -{ -#ifdef SIGHUP - if(SIG_ERR != old_sighup_handler) - (void)signal(SIGHUP, old_sighup_handler); -#endif -#ifdef SIGPIPE - if(SIG_ERR != old_sigpipe_handler) - (void)signal(SIGPIPE, old_sigpipe_handler); -#endif -#ifdef SIGALRM - if(SIG_ERR != old_sigalrm_handler) - (void)signal(SIGALRM, old_sigalrm_handler); -#endif -#ifdef SIGINT - if(SIG_ERR != old_sigint_handler) - (void)signal(SIGINT, old_sigint_handler); -#endif -#ifdef SIGTERM - if(SIG_ERR != old_sigterm_handler) - (void)signal(SIGTERM, old_sigterm_handler); -#endif -#if defined(SIGBREAK) && defined(WIN32) - if(SIG_ERR != old_sigbreak_handler) - (void)signal(SIGBREAK, old_sigbreak_handler); -#endif -} - #ifdef WIN32 /* * read-wrapper to support reading from stdin on Windows. @@ -1550,7 +1418,7 @@ int main(int argc, char *argv[]) setmode(fileno(stderr), O_BINARY); #endif - install_signal_handlers(); + install_signal_handlers(false); #ifdef ENABLE_IPV6 if(!use_ipv6) @@ -1647,7 +1515,7 @@ sockfilt_cleanup: if(wrotepidfile) unlink(pidname); - restore_signal_handlers(); + restore_signal_handlers(false); if(got_exit_signal) { logmsg("============> sockfilt exits with signal (%d)", exit_signal); |