Module Name:    src
Committed By:   gutteridge
Date:           Fri Apr 21 21:50:05 UTC 2023

Modified Files:
        src/distrib/sets/lists/debug: mi
        src/distrib/sets/lists/tests: mi
        src/tests/kernel: Makefile
Added Files:
        src/tests/kernel: t_open_pr_57260.c

Log Message:
Add new test t_open_pr_57260

New test case that reflects the fix in PR kern/57260. The majority of
work for this case itself was by riastradh@, who'd supplied the basis
for it in the ticket, and provided further guidance.


To generate a diff of this commit:
cvs rdiff -u -r1.396 -r1.397 src/distrib/sets/lists/debug/mi
cvs rdiff -u -r1.1256 -r1.1257 src/distrib/sets/lists/tests/mi
cvs rdiff -u -r1.70 -r1.71 src/tests/kernel/Makefile
cvs rdiff -u -r0 -r1.1 src/tests/kernel/t_open_pr_57260.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/distrib/sets/lists/debug/mi
diff -u src/distrib/sets/lists/debug/mi:1.396 src/distrib/sets/lists/debug/mi:1.397
--- src/distrib/sets/lists/debug/mi:1.396	Mon Jan 30 19:51:33 2023
+++ src/distrib/sets/lists/debug/mi	Fri Apr 21 21:50:04 2023
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.396 2023/01/30 19:51:33 christos Exp $
+# $NetBSD: mi,v 1.397 2023/04/21 21:50:04 gutteridge Exp $
 ./etc/mtree/set.debug                           comp-sys-root
 ./usr/lib					comp-sys-usr		compatdir
 ./usr/lib/i18n/libBIG5_g.a			comp-c-debuglib		debuglib,compatfile
@@ -1798,6 +1798,7 @@
 ./usr/libdata/debug/usr/tests/kernel/t_lwpctl.debug			tests-obsolete		obsolete,compattestfile
 ./usr/libdata/debug/usr/tests/kernel/t_mkdir.debug			tests-obsolete		obsolete,compattestfile
 ./usr/libdata/debug/usr/tests/kernel/t_mqueue.debug			tests-kernel-tests	debug,atf,compattestfile
+./usr/libdata/debug/usr/tests/kernel/t_open_pr_57260.debug		tests-kernel-tests	debug,atf,compattestfile
 ./usr/libdata/debug/usr/tests/kernel/t_pipe.debug			tests-obsolete		obsolete,compattestfile
 ./usr/libdata/debug/usr/tests/kernel/t_poll3w.debug			tests-obsolete		obsolete,compattestfile
 ./usr/libdata/debug/usr/tests/kernel/t_pollts.debug			tests-obsolete		obsolete,compattestfile

Index: src/distrib/sets/lists/tests/mi
diff -u src/distrib/sets/lists/tests/mi:1.1256 src/distrib/sets/lists/tests/mi:1.1257
--- src/distrib/sets/lists/tests/mi:1.1256	Tue Mar 28 20:04:51 2023
+++ src/distrib/sets/lists/tests/mi	Fri Apr 21 21:50:05 2023
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.1256 2023/03/28 20:04:51 rillig Exp $
+# $NetBSD: mi,v 1.1257 2023/04/21 21:50:05 gutteridge Exp $
 #
 # Note: don't delete entries from here - mark them as "obsolete" instead.
 #
@@ -2232,6 +2232,7 @@
 ./usr/tests/kernel/t_mkdir				tests-obsolete		obsolete
 ./usr/tests/kernel/t_mqueue				tests-kernel-tests	compattestfile,atf
 ./usr/tests/kernel/t_nointerpreter			tests-kernel-tests	atf
+./usr/tests/kernel/t_open_pr_57260			tests-kernel-tests	compattestfile,atf
 ./usr/tests/kernel/t_origin				tests-kernel-tests	compattestfile,atf
 ./usr/tests/kernel/t_pipe				tests-obsolete		obsolete
 ./usr/tests/kernel/t_poll3w				tests-obsolete		obsolete

Index: src/tests/kernel/Makefile
diff -u src/tests/kernel/Makefile:1.70 src/tests/kernel/Makefile:1.71
--- src/tests/kernel/Makefile:1.70	Fri Oct  1 18:18:32 2021
+++ src/tests/kernel/Makefile	Fri Apr 21 21:50:05 2023
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.70 2021/10/01 18:18:32 martin Exp $
+# $NetBSD: Makefile,v 1.71 2023/04/21 21:50:05 gutteridge Exp $
 
 NOMAN=		# defined
 
@@ -20,6 +20,7 @@ TESTS_C+=	t_ksem
 TESTS_C+=	t_sysctl
 TESTS_C+=	t_timeleft
 TESTS_C+=	t_zombie
+TESTS_C+=	t_open_pr_57260
 
 TESTS_SH=	t_umount
 TESTS_SH+=	t_umountstress

Added files:

Index: src/tests/kernel/t_open_pr_57260.c
diff -u /dev/null src/tests/kernel/t_open_pr_57260.c:1.1
--- /dev/null	Fri Apr 21 21:50:05 2023
+++ src/tests/kernel/t_open_pr_57260.c	Fri Apr 21 21:50:05 2023
@@ -0,0 +1,98 @@
+/*	$NetBSD: t_open_pr_57260.c,v 1.1 2023/04/21 21:50:05 gutteridge Exp $	*/
+
+/*-
+ * Copyright (c) 2023 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ * 
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Taylor R. Campbell and David H. Gutteridge.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: t_open_pr_57260.c,v 1.1 2023/04/21 21:50:05 gutteridge Exp $");
+
+#include <sys/stat.h>
+
+#include <fcntl.h>
+#include <setjmp.h>
+#include <signal.h>
+#include <unistd.h>
+
+#include <atf-c.h>
+#include "h_macros.h"
+
+static jmp_buf env;
+static sig_atomic_t alarmed = 0;
+
+static void
+on_alarm(int sig)
+{
+
+    if (!alarmed) {
+        alarmed = 1;
+        alarm(1);
+    } else {
+        longjmp(env, 1);
+    }
+}
+
+ATF_TC(openrestartsignal);
+ATF_TC_HEAD(openrestartsignal, tc)
+{
+
+	atf_tc_set_md_var(tc, "descr", "open(2) should restart on signal "
+	    "(PR kern/57260)");
+}
+
+ATF_TC_BODY(openrestartsignal, tc)
+{
+	struct sigaction sa;
+	int fd;
+
+	memset(&sa, 0, sizeof(sa));
+	sa.sa_handler = on_alarm;
+	(void)sigfillset(&sa.sa_mask);
+	sa.sa_flags = SA_RESTART;
+	if (sigaction(SIGALRM, &sa, NULL) == -1)
+		atf_tc_fail_errno("sigaction");
+
+	if (mkfifo("fifo", 0600) == -1)
+		atf_tc_fail_errno("mkfifo");
+	alarm(1);
+	if (setjmp(env))
+		/* second signal handler longjmped out */
+		return;
+	fd = open("fifo", O_RDONLY);
+	if (fd == -1)
+		atf_tc_fail_errno("open");
+	atf_tc_fail("open returned %d", fd);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+	ATF_TP_ADD_TC(tp, openrestartsignal);
+
+	return atf_no_error();
+}

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