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From: Gleb Smirnoff <glebius@FreeBSD.org>
Date: Thu, 8 Jun 2017 06:13:53 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r319684 - head/tools/regression/sockets/accf_data_attach
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Author: glebius
Date: Thu Jun  8 06:13:53 2017
New Revision: 319684
URL: https://svnweb.freebsd.org/changeset/base/319684

Log:
  Make the test to leave one connection on the incomplete queue
  before exiting.  This examines some race conditions in kernel.

Modified:
  head/tools/regression/sockets/accf_data_attach/accf_data_attach.c

Modified: head/tools/regression/sockets/accf_data_attach/accf_data_attach.c
==============================================================================
--- head/tools/regression/sockets/accf_data_attach/accf_data_attach.c	Thu Jun  8 05:12:11 2017	(r319683)
+++ head/tools/regression/sockets/accf_data_attach/accf_data_attach.c	Thu Jun  8 06:13:53 2017	(r319684)
@@ -233,6 +233,20 @@ main(void)
 		errx(-1, "not ok 11 - accept #2 %s", strerror(errno));
 	printf("ok 11 - accept\n");
 
+#if 1
+	/*
+	 * XXXGL: this doesn't belong to the test itself, but is known
+	 * to examine rarely examined paths in the kernel.  Intentionally
+	 * leave a socket on the incomplete queue, before the program
+	 * exits.
+	 */
+	so = socket(PF_INET, SOCK_STREAM, 0);
+	if (so == -1)
+		errx(-1, "not ok 12 - socket: %s", strerror(errno));
+	if (connect(so, (struct sockaddr *)&sin, sizeof(sin)) < 0)
+		errx(-1, "not ok 12 - connect %s", strerror(errno));
+#endif
+
 	/*
 	 * Step 11: Remove accept filter.  After removing the accept filter
 	 * getsockopt() should fail with EINVAL.