From: Alex Rousskov <rousskov@measurement-factory.com>
Date: Tue, 6 Sep 2011 20:14:29 +0000 (-0600)
Subject: Temporary fixed coredumps when isOpen() is called during shutdown cleanup.
X-Git-Tag: take08~24^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9a5ac93dfd8dd7d38a362035c1ef021b3184a86f;p=thirdparty%2Fsquid.git

Temporary fixed coredumps when isOpen() is called during shutdown cleanup.

For a permanent fix, we need to avoid deleting fd_table while it is still
in use by others, such as DeferredReads, possibly by allowing event loop
to run during shutdown.
---

diff --git a/src/comm.cc b/src/comm.cc
index 5d40c6f3f5..3fc3a65774 100644
--- a/src/comm.cc
+++ b/src/comm.cc
@@ -106,7 +106,7 @@ fd_debug_t *fdd_table = NULL;
 bool
 isOpen(const int fd)
 {
-    return fd >= 0 && fd_table[fd].flags.open != 0;
+    return fd >= 0 && fd_table && fd_table[fd].flags.open != 0;
 }
 
 /**