diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/sys/t_nanosleep.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/sys/t_nanosleep.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/sys/t_nanosleep.c b/contrib/netbsd-tests/lib/libc/sys/t_nanosleep.c new file mode 100644 index 0000000..317d667 --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/sys/t_nanosleep.c @@ -0,0 +1,187 @@ +/* $NetBSD: t_nanosleep.c,v 1.3 2013/03/31 16:47:16 christos 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 1.3 2013/03/31 16:47:16 christos 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 = 10; + struct timespec ts1, ts2, tsn; + size_t i; + + for (i = 1; 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)); + + ATF_REQUIRE(clock_gettime(CLOCK_MONOTONIC, &ts1) == 0); + ATF_REQUIRE(nanosleep(&tsn, NULL) == 0); + ATF_REQUIRE(clock_gettime(CLOCK_MONOTONIC, &ts2) == 0); + + /* + * Verify that we slept at least one nanosecond. + */ + if (timespeccmp(&ts2, &ts1, <=) != 0) { + + (void)fprintf(stderr, + "sleep time:: sec %llu, nsec %lu\n\t\t" + "ts1: sec %llu, nsec %lu\n\t\t" + "ts2: sec %llu, nsec %lu\n", + (unsigned long long)tsn.tv_sec, tsn.tv_nsec, + (unsigned long long)ts1.tv_sec, ts1.tv_nsec, + (unsigned long long)ts2.tv_sec, ts2.tv_nsec); + + atf_tc_fail_nonfatal("inaccuracies in sleep time " + "(resolution = %lu nsec)", tsn.tv_nsec); + } + } +} + +ATF_TC(nanosleep_err); +ATF_TC_HEAD(nanosleep_err, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Test errors from nanosleep(2) (PR bin/14558)"); +} + +ATF_TC_BODY(nanosleep_err, tc) +{ + struct timespec ts; + + ts.tv_sec = 1; + ts.tv_nsec = -1; + errno = 0; + ATF_REQUIRE_ERRNO(EINVAL, nanosleep(&ts, NULL) == -1); + + ts.tv_sec = 1; + ts.tv_nsec = 1000000000; + errno = 0; + ATF_REQUIRE_ERRNO(EINVAL, nanosleep(&ts, NULL) == -1); + + ts.tv_sec = -1; + ts.tv_nsec = 0; + errno = 0; + ATF_REQUIRE_ERRNO(0, nanosleep(&ts, NULL) == 0); + + 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(); +} |
