Sync to HEAD@r272516.

1 files changed, 307 insertions, 0 deletions

diff --git a/contrib/netbsd-tests/lib/libpthread/t_sem.c b/contrib/netbsd-tests/lib/libpthread/t_sem.c
new file mode 100644
index 0000000..467d182
--- /dev/null
+++ b/contrib/netbsd-tests/lib/libpthread/t_sem.c
@@ -0,0 +1,307 @@
+/* $NetBSD: t_sem.c,v 1.7 2012/03/09 19:46:37 joerg Exp $ */
+
+/*
+ * Copyright (c) 2008, 2010 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.
+ */
+
+/*-
+ * Copyright (c)2004 YAMAMOTO Takashi,
+ * 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 AUTHOR 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 AUTHOR 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.
+ */
+
+/****************************************************************************
+ *
+ * Copyright (C) 2000 Jason Evans <jasone@freebsd.org>.
+ * 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(s), this list of conditions and the following disclaimer as
+ *    the first lines of this file unmodified other than the possible
+ *    addition of one or more copyright notices.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice(s), 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 COPYRIGHT HOLDER(S) ``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 COPYRIGHT HOLDER(S) 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>
+__COPYRIGHT("@(#) Copyright (c) 2008, 2010\
+ The NetBSD Foundation, inc. All rights reserved.");
+__RCSID("$NetBSD: t_sem.c,v 1.7 2012/03/09 19:46:37 joerg Exp $");
+
+#include <errno.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <semaphore.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <atf-c.h>
+#include <atf-c/config.h>
+
+#include "h_common.h"
+
+#define NTHREADS 10
+
+#define _LIBC_R_
+
+#define SEM_REQUIRE(x) \
+	ATF_REQUIRE_EQ_MSG(x, 0, "%s", strerror(errno))
+
+static sem_t sem;
+
+ATF_TC(named);
+ATF_TC_HEAD(named, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Checks named semaphores");
+}
+ATF_TC_BODY(named, tc)
+{
+	sem_t *semp;
+
+	ATF_REQUIRE_MSG(-1 != sysconf(_SC_SEMAPHORES), "%s", strerror(errno));
+
+	printf("Test begin\n");
+
+	(void) sem_unlink("/foo");
+	semp = sem_open("/foo", O_CREAT | O_EXCL, 0644, 0);
+	ATF_REQUIRE_MSG(semp != SEM_FAILED, "%s", strerror(errno));
+	SEM_REQUIRE(sem_close(semp));
+	SEM_REQUIRE(sem_unlink("/foo"));
+
+	printf("Test end\n");
+}
+
+ATF_TC(unnamed);
+ATF_TC_HEAD(unnamed, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Checks unnamed semaphores");
+}
+
+static void *
+entry(void * a_arg)
+{
+	pthread_t self = pthread_self();
+	sem_t *semp = (sem_t *) a_arg;
+
+	printf("Thread %p waiting for semaphore...\n", self);
+	sem_wait(semp);
+	printf("Thread %p got semaphore\n", self);
+
+	return NULL;
+}
+
+ATF_TC_BODY(unnamed, tc)
+{
+	sem_t sem_a, sem_b;
+	pthread_t threads[NTHREADS];
+	unsigned i, j;
+	int val;
+
+	ATF_REQUIRE_MSG(-1 != sysconf(_SC_SEMAPHORES), "%s", strerror(errno));
+
+	printf("Test begin\n");
+
+	SEM_REQUIRE(sem_init(&sem_b, 0, 0));
+	SEM_REQUIRE(sem_getvalue(&sem_b, &val));
+	ATF_REQUIRE_EQ(0, val);
+
+	SEM_REQUIRE(sem_post(&sem_b));
+	SEM_REQUIRE(sem_getvalue(&sem_b, &val));
+	ATF_REQUIRE_EQ(1, val);
+
+	SEM_REQUIRE(sem_wait(&sem_b));
+	ATF_REQUIRE_EQ(sem_trywait(&sem_b), -1);
+	ATF_REQUIRE_EQ(errno, EAGAIN);
+	SEM_REQUIRE(sem_post(&sem_b));
+	SEM_REQUIRE(sem_trywait(&sem_b));
+	SEM_REQUIRE(sem_post(&sem_b));
+	SEM_REQUIRE(sem_wait(&sem_b));
+	SEM_REQUIRE(sem_post(&sem_b));
+
+	SEM_REQUIRE(sem_destroy(&sem_b));
+
+	SEM_REQUIRE(sem_init(&sem_a, 0, 0));
+
+	for (j = 0; j < 2; j++) {
+		for (i = 0; i < NTHREADS; i++) {
+			PTHREAD_REQUIRE(pthread_create(&threads[i], NULL,
+				entry, (void *) &sem_a));
+		}
+
+		for (i = 0; i < NTHREADS; i++) {
+			usleep(10000);
+			printf("main loop %u: posting...\n", j+1);
+			SEM_REQUIRE(sem_post(&sem_a));
+		}
+
+		for (i = 0; i < NTHREADS; i++) {
+			PTHREAD_REQUIRE(pthread_join(threads[i], NULL));
+		}
+	}
+
+	SEM_REQUIRE(sem_destroy(&sem_a));
+
+	printf("Test end\n");
+}
+
+static void
+sighandler(int signo)
+{
+	/* printf("signal %d\n", signo); */
+
+	ATF_REQUIRE_EQ_MSG(signo, SIGALRM, "unexpected signal");
+	SEM_REQUIRE(sem_post(&sem));
+}
+
+static void
+alarm_ms(const int ms)
+{
+	struct itimerval timer;
+	timer.it_interval.tv_sec = 0;
+	timer.it_interval.tv_usec = 0;
+	timer.it_value.tv_sec = 0;
+	timer.it_value.tv_usec = ms * 1000;
+	ATF_REQUIRE(setitimer(ITIMER_REAL, &timer, NULL) == 0);
+}
+
+static void *
+threadfunc(void *arg)
+{
+	int i, ret;
+
+	printf("Entering loop\n");
+	for (i = 0; i < 500; ) {
+		if ((i & 1) != 0) {
+			do {
+				ret = sem_wait(&sem);
+			} while (ret == -1 && errno == EINTR);
+			ATF_REQUIRE(ret == 0);
+		} else {
+			ret = sem_trywait(&sem);
+			if (ret == -1) {
+				ATF_REQUIRE(errno == EAGAIN);
+				continue;
+			}
+		}
+		printf("%s: %d\n", __func__, i);
+		alarm_ms(5);
+		i++;
+	}
+
+	return NULL;
+}
+
+static void
+before_start_test(const bool use_pthread)
+{
+	pthread_t t;
+
+	SEM_REQUIRE(sem_init(&sem, 0, 0));
+	ATF_REQUIRE(SIG_ERR != signal(SIGALRM, sighandler));
+
+	alarm_ms(5);
+
+	if (use_pthread) {
+		PTHREAD_REQUIRE(pthread_create(&t, NULL, threadfunc, NULL));
+		PTHREAD_REQUIRE(pthread_join(t, NULL));
+	} else {
+		threadfunc(NULL);
+	}
+}
+
+ATF_TC(before_start_no_threads);
+ATF_TC_HEAD(before_start_no_threads, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Checks using semaphores without any "
+	    "thread running");
+	atf_tc_set_md_var(tc, "timeout", "40");
+}
+ATF_TC_BODY(before_start_no_threads, tc)
+{
+	before_start_test(false);
+}
+
+ATF_TC(before_start_one_thread);
+ATF_TC_HEAD(before_start_one_thread, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Checks using semaphores before "
+	    "starting one thread");
+	atf_tc_set_md_var(tc, "timeout", "40");
+}
+ATF_TC_BODY(before_start_one_thread, tc)
+{
+	before_start_test(true);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+	ATF_TP_ADD_TC(tp, named);
+	ATF_TP_ADD_TC(tp, unnamed);
+	ATF_TP_ADD_TC(tp, before_start_no_threads);
+	ATF_TP_ADD_TC(tp, before_start_one_thread);
+
+	return atf_no_error();
+}