Use TCP_close() to properly ignore the "canonical" TCP legal errno values

consistently.

Fixes #297



git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@3127 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishtest/vtc_client.c

@@ -87,7 +87,7 @@ client_thread(void *priv)
 	vtc_log(vl, 3, "Connected to %s fd is %d", c->connect, fd);
 	http_process(vl, c->spec, fd, 1);
 	vtc_log(vl, 3, "Closing fd %d", fd);
-	AZ(close(fd));
+	TCP_close(&fd);
 	vtc_log(vl, 2, "Ending");
 
 	return (NULL);

bin/varnishtest/vtc_server.c

@@ -98,7 +98,7 @@ server_thread(void *priv)
 		http_process(vl, s->spec, fd, 0);
 		vtc_log(vl, 3, "shutting fd %d", fd);
 		AZ(shutdown(fd, SHUT_WR));
-		assert(close(fd) == 0 || errno == ECONNRESET);
+		TCP_close(&fd);
 	}
 	vtc_log(vl, 2, "Ending");
 	return (NULL);
@@ -177,7 +177,7 @@ server_wait(struct server *s)
 		exit (1);
 	}
 	s->tp = 0;
-	AZ(close(s->sock));
+	TCP_close(&s->sock);
 	s->sock = -1;
 }