diff options
| author | Jon TURNEY <jon.turney@dronecode.org.uk> | 2012-10-26 14:48:03 +0100 |
|---|---|---|
| committer | Jon TURNEY <jon.turney@dronecode.org.uk> | 2013-03-02 14:36:01 +0000 |
| commit | 214c90d6b01017fe02675e133129cf389e740533 (patch) | |
| tree | fcfa0b7bb881133d11f9ff2c20f0d0313d7d870f | |
| parent | 19250c1aed852e151bf66819e75f8d796018223b (diff) | |
If SIGALRM isn't available, don't use alarm() to timeout gethostaddr(), just wait
Win32 has neither SIGALRM nor sigaction(), so don't use SIGALRM to timeout
gethostaddr(), just wait
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
| -rw-r--r-- | xhost.c | 10 |
1 files changed, 10 insertions, 0 deletions
@@ -653,7 +653,9 @@ get_hostname(XHostAddress *ha) char *kname; static char kname_out[255]; #endif +#ifdef SIGALRM struct sigaction sa; +#endif #ifdef TCPCONN #if defined(IPv6) && defined(AF_INET6) @@ -690,14 +692,18 @@ get_hostname(XHostAddress *ha) gethostbyaddr will continue after a signal, so we have to jump out of it. */ +#ifdef SIGALRM memset(&sa, 0, sizeof sa); sa.sa_handler = nameserver_lost; sa.sa_flags = 0; /* don't restart syscalls */ sigaction(SIGALRM, &sa, NULL); alarm(NAMESERVER_TIMEOUT); +#endif getnameinfo((struct sockaddr *) &saddr, saddrlen, inetname, sizeof(inetname), NULL, 0, 0); +#ifdef SIGALRM alarm(0); +#endif if (nameserver_timedout || inetname[0] == '\0') inet_ntop(((struct sockaddr *)&saddr)->sa_family, ha->address, inetname, sizeof(inetname)); @@ -711,13 +717,17 @@ get_hostname(XHostAddress *ha) gethostbyaddr will continue after a signal, so we have to jump out of it. */ +#ifdef SIGALRM memset(&sa, 0, sizeof sa); sa.sa_handler = nameserver_lost; sa.sa_flags = 0; /* don't restart syscalls */ sigaction(SIGALRM, &sa, NULL); alarm(4); +#endif hp = gethostbyaddr (ha->address, ha->length, AF_INET); +#ifdef SIGALRM alarm(0); +#endif if (hp) return (hp->h_name); else return (inet_ntoa(*((struct in_addr *)(ha->address)))); |