From: Roger Dingledine <arma@torproject.org>
Date: Fri, 12 Nov 2004 04:59:37 +0000 (+0000)
Subject: dfc caught a SIGXFSZ error when his debugfile reached 2GB.
X-Git-Tag: debian-version-0.0.8+0.0.9pre5-2~13
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=90e0ad517e1f1cd98f523922f7b55d2a8c0a3af5;p=thirdparty%2Ftor.git

dfc caught a SIGXFSZ error when his debugfile reached 2GB.
so if they exist, catch them and ignore them.
write() will fail normally and we'll look at errno like
normal human beings.


svn:r2804
---

diff --git a/src/or/main.c b/src/or/main.c
index 71fb293fa3..4af4c818a4 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -872,6 +872,10 @@ static void catch(int the_signal) {
     case SIGCHLD:
       please_reap_children = 1;
       break;
+#ifdef SIGXFSZ
+    case SIGXFSZ: /* this happens when write fails with etoobig */
+      break; /* ignore; write will fail and we'll look at errno. */
+#endif
     default:
       log(LOG_WARN,"Caught signal %d that we can't handle??", the_signal);
       tor_cleanup();
@@ -983,6 +987,9 @@ void handle_signals(int is_parent)
   sigaction(SIGPIPE, &action, NULL); /* otherwise sigpipe kills us */
   sigaction(SIGUSR1, &action, NULL); /* dump stats */
   sigaction(SIGHUP,  &action, NULL); /* to reload config, retry conns, etc */
+#ifdef SIGXFSZ
+  sigaction(SIGXFSZ, &action, NULL); /* handle file-too-big resource exhaustion */
+#endif
   if(is_parent)
     sigaction(SIGCHLD, &action, NULL); /* handle dns/cpu workers that exit */
 #endif /* signal stuff */