[src/trunk]: src/tests/syscall Improve further so that this might actually fail.

[jruoho <jruoho%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/0f05c06410ae
branches:  trunk
changeset: 764703:0f05c06410ae
user:      jruoho <jruoho%NetBSD.org@localhost>
date:      Sun May 01 09:44:26 2011 +0000

description:
Improve further so that this might actually fail.

diffstat:

 tests/syscall/t_nanosleep.c |  63 +++++++++-----------------------------------
 1 files changed, 13 insertions(+), 50 deletions(-)

diffs (91 lines):

diff -r 5d9f02ebcb0b -r 0f05c06410ae tests/syscall/t_nanosleep.c
--- a/tests/syscall/t_nanosleep.c       Sun May 01 09:19:12 2011 +0000
+++ b/tests/syscall/t_nanosleep.c       Sun May 01 09:44:26 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: t_nanosleep.c,v 1.3 2011/05/01 09:19:12 jruoho Exp $ */
+/* $NetBSD: t_nanosleep.c,v 1.4 2011/05/01 09:44:26 jruoho Exp $ */
 
 /*-
  * Copyright (c) 2011 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: t_nanosleep.c,v 1.3 2011/05/01 09:19:12 jruoho Exp $");
+__RCSID("$NetBSD: t_nanosleep.c,v 1.4 2011/05/01 09:44:26 jruoho Exp $");
 
 #include <sys/time.h>
 #include <sys/wait.h>
@@ -58,61 +58,24 @@
 
 ATF_TC_BODY(nanosleep_basic, tc)
 {
-       static const size_t maxiter = 10;
+       static const size_t maxiter = 100;
        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 = 1; i < maxiter; i++) {
 
-               pid = fork();
-               ATF_REQUIRE(pid >= 0);
-
-               if (pid == 0) {
+       for (i = 0; i < maxiter; i++) {
 
-                       tsn.tv_sec = 0;
-                       tsn.tv_nsec = i;
-
-                       (void)memset(&ts1, 0, sizeof(struct timespec));
-                       (void)memset(&ts2, 0, sizeof(struct timespec));
-
-                       if (clock_gettime(CLOCK_MONOTONIC, &ts1) != 0)
-                               _exit(EX_OSERR);
+               tsn.tv_sec = 0;
+               tsn.tv_nsec = 1;
 
-                       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);
+               (void)memset(&ts1, 0, sizeof(struct timespec));
+               (void)memset(&ts2, 0, sizeof(struct timespec));
 
-                       if (timespeccmp(&ts2, &ts1, <) != 0)
-                               _exit(EX_DATAERR);
-
-                       _exit(EXIT_SUCCESS);
-               }
-
-               (void)wait(&sta);
+               ATF_REQUIRE(clock_gettime(CLOCK_MONOTONIC, &ts1) == 0);
+               ATF_REQUIRE(nanosleep(&tsn, NULL) == 0);
+               ATF_REQUIRE(clock_gettime(CLOCK_MONOTONIC, &ts2) == 0);
 
-               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");
-               }
+               if (timespeccmp(&ts2, &ts1, <) != 0)
+                       atf_tc_fail("inaccuracies in sleep time");
        }
 }