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[src/trunk]: src Test that fpu state is preserved by fork.
details: https://anonhg.NetBSD.org/src/rev/78625a08e392
branches: trunk
changeset: 744714:78625a08e392
user: riastradh <riastradh%NetBSD.org@localhost>
date: Tue Feb 11 03:15:10 2020 +0000
description:
Test that fpu state is preserved by fork.
diffstat:
distrib/sets/lists/tests/mi | 4 ++-
tests/kernel/Makefile | 4 ++-
tests/kernel/h_fpufork.c | 64 +++++++++++++++++++++++++++++++++++++++++++++
tests/kernel/t_fpufork.sh | 41 ++++++++++++++++++++++++++++
4 files changed, 111 insertions(+), 2 deletions(-)
diffs (163 lines):
diff -r ce140d491342 -r 78625a08e392 distrib/sets/lists/tests/mi
--- a/distrib/sets/lists/tests/mi Tue Feb 11 03:14:49 2020 +0000
+++ b/distrib/sets/lists/tests/mi Tue Feb 11 03:15:10 2020 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.828 2020/01/18 17:18:41 kre Exp $
+# $NetBSD: mi,v 1.829 2020/02/11 03:15:10 riastradh Exp $
#
# Note: don't delete entries from here - mark them as "obsolete" instead.
#
@@ -2142,6 +2142,7 @@
./usr/tests/kernel/arch/i386/t_ptrace_waitpid tests-obsolete obsolete
./usr/tests/kernel/arch/x86 tests-obsolete obsolete
./usr/tests/kernel/h_fexecve tests-kernel-tests compattestfile,atf
+./usr/tests/kernel/h_fpufork tests-kernel-tests compattestfile,atf
./usr/tests/kernel/h_getprocpath tests-kernel-tests compattestfile,atf
./usr/tests/kernel/h_interpreter tests-kernel-tests compattestfile,atf
./usr/tests/kernel/h_ps_strings1 tests-kernel-tests compattestfile,atf
@@ -2185,6 +2186,7 @@
./usr/tests/kernel/t_fcntl tests-kernel-tests atf
./usr/tests/kernel/t_fexecve tests-kernel-tests atf
./usr/tests/kernel/t_filedesc tests-kernel-tests atf,rump
+./usr/tests/kernel/t_fpufork tests-kernel-tests atf
./usr/tests/kernel/t_interp tests-kernel-tests atf
./usr/tests/kernel/t_kauth_pr_47598 tests-kernel-tests compattestfile,atf
./usr/tests/kernel/t_ksem tests-kernel-tests atf
diff -r ce140d491342 -r 78625a08e392 tests/kernel/Makefile
--- a/tests/kernel/Makefile Tue Feb 11 03:14:49 2020 +0000
+++ b/tests/kernel/Makefile Tue Feb 11 03:15:10 2020 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.64 2019/09/29 23:45:00 mrg Exp $
+# $NetBSD: Makefile,v 1.65 2020/02/11 03:15:10 riastradh Exp $
NOMAN= # defined
@@ -29,6 +29,7 @@
TESTS_SH+= t_origin
TESTS_SH+= t_procpath
TESTS_SH+= t_fexecve
+TESTS_SH+= t_fpufork
BINDIR= ${TESTSDIR}
PROGS= h_fexecve
@@ -36,6 +37,7 @@
PROGS+= h_ps_strings2
PROGS+= h_segv
PROGS+= h_getprocpath
+PROGS+= h_fpufork
SCRIPTSDIR= ${TESTSDIR}
SCRIPTS= h_interpreter.sh
diff -r ce140d491342 -r 78625a08e392 tests/kernel/h_fpufork.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/kernel/h_fpufork.c Tue Feb 11 03:15:10 2020 +0000
@@ -0,0 +1,64 @@
+/* $NetBSD: h_fpufork.c,v 1.1 2020/02/11 03:15:10 riastradh Exp $ */
+
+/*-
+ * Copyright (c) 2020 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * 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: h_fpufork.c,v 1.1 2020/02/11 03:15:10 riastradh Exp $");
+
+#include <sys/wait.h>
+
+#include <err.h>
+#include <sched.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int
+main(void)
+{
+ pid_t child, pid;
+ volatile double x = 1;
+ register double y = 2*x;
+ int status;
+
+ pid = fork();
+ switch (pid) {
+ case -1: /* error */
+ err(1, "fork");
+ case 0: /* child */
+ _exit(y == 2 ? 0 : 1);
+ default: /* parent */
+ break;
+ }
+
+ if ((child = wait(&status)) == -1)
+ err(1, "wait");
+ if (WIFSIGNALED(status))
+ errx(1, "child exited on signal %d", WTERMSIG(status));
+ if (!WIFEXITED(status))
+ errx(1, "child didn't exit");
+ return WEXITSTATUS(status);
+}
diff -r ce140d491342 -r 78625a08e392 tests/kernel/t_fpufork.sh
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/kernel/t_fpufork.sh Tue Feb 11 03:15:10 2020 +0000
@@ -0,0 +1,41 @@
+# $NetBSD: t_fpufork.sh,v 1.1 2020/02/11 03:15:10 riastradh Exp $
+#
+# Copyright (c) 2020 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# 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.
+
+atf_test_case fpufork
+fpufork_head()
+{
+ atf_set "descr" "Verify fork preserves fpu"
+}
+fpufork_body()
+{
+ atf_check -s exit:0 -o inline: -e inline: \
+ $(atf_get_srcdir)/h_fpufork
+}
+
+atf_init_test_cases()
+{
+ atf_add_test_case fpufork
+}
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