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[src/trunk]: src Few basic tests for nanosleep(2).



details:   https://anonhg.NetBSD.org/src/rev/2c2c6a4b7df1
branches:  trunk
changeset: 764700:2c2c6a4b7df1
user:      jruoho <jruoho%NetBSD.org@localhost>
date:      Sun May 01 09:09:35 2011 +0000

description:
Few basic tests for nanosleep(2).

diffstat:

 distrib/sets/lists/tests/mi |    4 +-
 tests/syscall/Makefile      |    4 +-
 tests/syscall/t_nanosleep.c |  206 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 211 insertions(+), 3 deletions(-)

diffs (253 lines):

diff -r 498b40433a79 -r 2c2c6a4b7df1 distrib/sets/lists/tests/mi
--- a/distrib/sets/lists/tests/mi       Sun May 01 07:22:40 2011 +0000
+++ b/distrib/sets/lists/tests/mi       Sun May 01 09:09:35 2011 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.314 2011/05/01 07:22:40 jruoho Exp $
+# $NetBSD: mi,v 1.315 2011/05/01 09:09:35 jruoho Exp $
 #
 # Note: don't delete entries from here - mark them as "obsolete" instead.
 #
@@ -604,6 +604,7 @@
 ./usr/libdata/debug/usr/tests/syscall/t_mmap.debug                     tests-syscall-debug     debug,atf
 ./usr/libdata/debug/usr/tests/syscall/t_mprotect.debug                 tests-syscall-debug     debug,atf
 ./usr/libdata/debug/usr/tests/syscall/t_msync.debug                    tests-syscall-debug     debug,atf
+./usr/libdata/debug/usr/tests/syscall/t_nanosleep.debug                        tests-syscall-debug     debug,atf
 ./usr/libdata/debug/usr/tests/syscall/t_setrlimit.debug                        tests-syscall-debug     debug,atf
 ./usr/libdata/debug/usr/tests/syscall/t_setuid.debug                   tests-syscall-debug     debug,atf
 ./usr/libdata/debug/usr/tests/syscall/t_timer.debug                    tests-syscall-debug     debug,atf
@@ -2279,6 +2280,7 @@
 ./usr/tests/syscall/t_mmap                     tests-syscall-tests     atf
 ./usr/tests/syscall/t_mprotect                 tests-syscall-tests     atf
 ./usr/tests/syscall/t_msync                    tests-syscall-tests     atf
+./usr/tests/syscall/t_nanosleep                        tests-syscall-tests     atf
 ./usr/tests/syscall/t_setrlimit                        tests-syscall-tests     atf
 ./usr/tests/syscall/t_setuid                   tests-syscall-tests     atf
 ./usr/tests/syscall/t_timer                    tests-syscall-tests     atf
diff -r 498b40433a79 -r 2c2c6a4b7df1 tests/syscall/Makefile
--- a/tests/syscall/Makefile    Sun May 01 07:22:40 2011 +0000
+++ b/tests/syscall/Makefile    Sun May 01 09:09:35 2011 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.24 2011/05/01 07:22:40 jruoho Exp $
+# $NetBSD: Makefile,v 1.25 2011/05/01 09:09:35 jruoho Exp $
 
 .include <bsd.own.mk>
 
@@ -6,7 +6,7 @@
 
 TESTS_C+=      t_access t_cmsg t_dup t_fsync
 TESTS_C+=      t_getgroups t_getpid t_getrusage t_getsid t_gettimeofday
-TESTS_C+=      t_kill t_mmap t_mprotect t_msync
+TESTS_C+=      t_kill t_mmap t_mprotect t_msync t_nanosleep
 TESTS_C+=      t_setrlimit t_setuid t_timer t_umask
 
 LDADD.t_getpid+=       -lpthread
diff -r 498b40433a79 -r 2c2c6a4b7df1 tests/syscall/t_nanosleep.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/syscall/t_nanosleep.c       Sun May 01 09:09:35 2011 +0000
@@ -0,0 +1,206 @@
+/* $NetBSD: t_nanosleep.c,v 1.1 2011/05/01 09:09:35 jruoho Exp $ */
+
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jukka Ruohonen.
+ *
+ * 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_nanosleep.c,v 1.1 2011/05/01 09:09:35 jruoho Exp $");
+
+#include <sys/time.h>
+#include <sys/wait.h>
+
+#include <atf-c.h>
+#include <errno.h>
+#include <time.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sysexits.h>
+#include <unistd.h>
+
+static void
+handler(int signo)
+{
+       /* Nothing. */
+}
+
+ATF_TC(nanosleep_basic);
+ATF_TC_HEAD(nanosleep_basic, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "Test that nanosleep(2) works");
+}
+
+ATF_TC_BODY(nanosleep_basic, tc)
+{
+       static const size_t maxiter = 1; /* XXX */
+       struct timespec ts1, ts2, tsn;
+       pid_t pid;
+       size_t i;
+       int sta;
+
+       /*
+        * Fork a child, suspend the execution of it,
+        * and verify that it was actually suspended.
+        */
+       for (i = 0; i < maxiter; i++) {
+
+               pid = fork();
+               ATF_REQUIRE(pid >= 0);
+
+               if (pid == 0) {
+
+                       tsn.tv_sec = 1;
+                       tsn.tv_nsec = i * 10000;
+
+                       (void)memset(&ts1, 0, sizeof(struct timespec));
+                       (void)memset(&ts2, 0, sizeof(struct timespec));
+
+                       if (clock_gettime(CLOCK_MONOTONIC, &ts1) != 0)
+                               _exit(EX_OSERR);
+
+                       if (nanosleep(&tsn, NULL) != 0)
+                               _exit(EX_OSERR);
+
+                       if (clock_gettime(CLOCK_MONOTONIC, &ts2) != 0)
+                               _exit(EX_OSERR);
+
+                       (void)fprintf(stderr,
+                           "tsn: sec = %lu, nsec = %lu\n\t"
+                           "ts1: sec = %lu, nsec = %lu\n\t"
+                           "ts2: sec = %lu, nsec = %lu\n",
+                           tsn.tv_sec, tsn.tv_nsec,
+                           ts1.tv_sec, ts1.tv_nsec,
+                           ts2.tv_sec, ts2.tv_nsec);
+
+                       /*
+                        * Assume accuracy of the resolution in seconds.
+                        */
+                       if (ts2.tv_sec - tsn.tv_sec != ts1.tv_sec)
+                               _exit(EX_DATAERR);
+
+                       if (ts2.tv_nsec - tsn.tv_nsec < ts1.tv_nsec)
+                               _exit(EX_DATAERR);
+
+                       _exit(EXIT_SUCCESS);
+               }
+
+               (void)wait(&sta);
+
+               if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS) {
+
+                       if (WEXITSTATUS(sta) == EX_DATAERR)
+                               atf_tc_fail("inaccuracies in sleep time");
+
+                       atf_tc_fail("system call failed");
+               }
+       }
+}
+
+ATF_TC(nanosleep_err);
+ATF_TC_HEAD(nanosleep_err, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "Test errors from nanosleep(2)");
+}
+
+ATF_TC_BODY(nanosleep_err, tc)
+{
+       struct timespec ts;
+
+       ts.tv_sec = -1;
+       ts.tv_nsec = 1000;
+
+       errno = 0;
+       ATF_REQUIRE_ERRNO(EINVAL, nanosleep(&ts, NULL) == -1);
+
+       errno = 0;
+       ATF_REQUIRE_ERRNO(EFAULT, nanosleep((void *)-1, NULL) == -1);
+}
+
+ATF_TC(nanosleep_sig);
+ATF_TC_HEAD(nanosleep_sig, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "Test signal for nanosleep(2)");
+}
+
+ATF_TC_BODY(nanosleep_sig, tc)
+{
+       struct timespec tsn, tsr;
+       pid_t pid;
+       int sta;
+
+       /*
+        * Test that a signal interrupts nanosleep(2).
+        *
+        * (In which case the return value should be -1 and the
+        * second parameter should contain the unslept time.)
+        */
+       pid = fork();
+
+       ATF_REQUIRE(pid >= 0);
+       ATF_REQUIRE(signal(SIGINT, handler) == 0);
+
+       if (pid == 0) {
+
+               tsn.tv_sec = 10;
+               tsn.tv_nsec = 0;
+
+               tsr.tv_sec = 0;
+               tsr.tv_nsec = 0;
+
+               errno = 0;
+
+               if (nanosleep(&tsn, &tsr) != -1)
+                       _exit(EXIT_FAILURE);
+
+               if (errno != EINTR)
+                       _exit(EXIT_FAILURE);
+
+               if (tsr.tv_sec == 0 && tsr.tv_nsec == 0)
+                       _exit(EXIT_FAILURE);
+
+               _exit(EXIT_SUCCESS);
+       }
+
+       (void)sleep(1);
+       (void)kill(pid, SIGINT);
+       (void)wait(&sta);
+
+       if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
+               atf_tc_fail("signal did not interrupt nanosleep(2)");
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+       ATF_TP_ADD_TC(tp, nanosleep_basic);
+       ATF_TP_ADD_TC(tp, nanosleep_err);
+       ATF_TP_ADD_TC(tp, nanosleep_sig);
+
+       return atf_no_error();
+}



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