diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/stdlib/t_getenv_thread.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/stdlib/t_getenv_thread.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/stdlib/t_getenv_thread.c b/contrib/netbsd-tests/lib/libc/stdlib/t_getenv_thread.c new file mode 100644 index 0000000..d935629 --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/stdlib/t_getenv_thread.c @@ -0,0 +1,250 @@ +/* $NetBSD: t_getenv_thread.c,v 1.2 2012/03/15 02:02:23 joerg Exp $ */ + +/*- + * Copyright (c) 2010 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Matthias Scheler. + * + * 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_getenv_thread.c,v 1.2 2012/03/15 02:02:23 joerg Exp $"); + +#include <atf-c.h> +#include <errno.h> +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> + +#define THREADED_NUM_THREADS 8 +#define THREADED_NUM_VARS 16 +#define THREADED_VAR_NAME "THREADED%zu" +#define THREADED_RUN_TIME 10 + +static void *thread_getenv_r(void *); +static void *thread_putenv(void *); +static void *thread_setenv(void *); +static void *thread_unsetenv(void *); + +static void * +thread_getenv_r(void *arg) +{ + time_t endtime; + + endtime = *(time_t *)arg; + do { + size_t i; + char name[32], value[128]; + + i = lrand48() % THREADED_NUM_VARS; + (void)snprintf(name, sizeof(name), THREADED_VAR_NAME, i); + + if (getenv_r(name, value, sizeof(value)) == -1) { + ATF_CHECK(errno == ENOENT); + } + } while (time(NULL) < endtime); + + return NULL; +} + + +static void * +thread_putenv(void *arg) +{ + time_t endtime; + size_t i; + static char vars[THREADED_NUM_VARS][128]; + + for (i = 0; i < THREADED_NUM_VARS; i++) { + (void)snprintf(vars[i], sizeof(vars[i]), + THREADED_VAR_NAME "=putenv %ld", i, lrand48()); + } + + endtime = *(time_t *)arg; + do { + char name[128]; + + i = lrand48() % THREADED_NUM_VARS; + (void)strlcpy(name, vars[i], sizeof(name)); + *strchr(name, '=') = '\0'; + + ATF_CHECK(unsetenv(name) != -1); + ATF_CHECK(putenv(vars[i]) != -1); + } while (time(NULL) < endtime); + + return NULL; +} + +static void * +thread_setenv(void *arg) +{ + time_t endtime; + + endtime = *(time_t *)arg; + do { + size_t i; + char name[32], value[64]; + + i = lrand48() % THREADED_NUM_VARS; + (void)snprintf(name, sizeof(name), THREADED_VAR_NAME, i); + (void)snprintf(value, sizeof(value), "setenv %ld", lrand48()); + + ATF_CHECK(setenv(name, value, 1) != -1); + } while (time(NULL) < endtime); + + return NULL; +} + +static void * +thread_unsetenv(void *arg) +{ + time_t endtime; + + endtime = *(time_t *)arg; + do { + size_t i; + char name[32]; + + i = lrand48() % THREADED_NUM_VARS; + (void)snprintf(name, sizeof(name), THREADED_VAR_NAME, i); + + ATF_CHECK(unsetenv(name) != -1); + } while (time(NULL) < endtime); + + return NULL; +} + +ATF_TC(getenv_r_thread); +ATF_TC_HEAD(getenv_r_thread, tc) +{ + + atf_tc_set_md_var(tc, "descr", "Test getenv_r(3) with threads"); + atf_tc_set_md_var(tc, "timeout", "%d", THREADED_RUN_TIME + 5); +} + +ATF_TC_BODY(getenv_r_thread, tc) +{ + pthread_t threads[THREADED_NUM_THREADS]; + time_t endtime; + size_t i, j; + + endtime = time(NULL) + THREADED_RUN_TIME; + + for (i = j = 0; j < 2; j++) { + + ATF_CHECK(pthread_create(&threads[i++], NULL, thread_getenv_r, + &endtime) == 0); + } + + for (j = 0; j < i; j++) + ATF_CHECK(pthread_join(threads[j], NULL) == 0); +} + +ATF_TC(putenv_thread); +ATF_TC_HEAD(putenv_thread, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test concurrent access by putenv(3)"); + atf_tc_set_md_var(tc, "timeout", "%d", THREADED_RUN_TIME + 5); +} + +ATF_TC_BODY(putenv_thread, tc) +{ + pthread_t threads[THREADED_NUM_THREADS]; + time_t endtime; + size_t i, j; + + endtime = time(NULL) + THREADED_RUN_TIME; + + for (i = j = 0; j < 2; j++) { + + ATF_CHECK(pthread_create(&threads[i++], NULL, thread_putenv, + &endtime) == 0); + } + + for (j = 0; j < i; j++) + ATF_CHECK(pthread_join(threads[j], NULL) == 0); +} + +ATF_TC(setenv_thread); +ATF_TC_HEAD(setenv_thread, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test concurrent access by setenv(3)"); + atf_tc_set_md_var(tc, "timeout", "%d", THREADED_RUN_TIME + 5); +} + +ATF_TC_BODY(setenv_thread, tc) +{ + pthread_t threads[THREADED_NUM_THREADS]; + time_t endtime; + size_t i, j; + + endtime = time(NULL) + THREADED_RUN_TIME; + + for (i = j = 0; j < 2; j++) { + + ATF_CHECK(pthread_create(&threads[i++], NULL, thread_setenv, + &endtime) == 0); + } + + for (j = 0; j < i; j++) + ATF_CHECK(pthread_join(threads[j], NULL) == 0); +} + +ATF_TC(unsetenv_thread); +ATF_TC_HEAD(unsetenv_thread, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test unsetenv(3) with threads"); + atf_tc_set_md_var(tc, "timeout", "%d", THREADED_RUN_TIME + 5); +} + +ATF_TC_BODY(unsetenv_thread, tc) +{ + pthread_t threads[THREADED_NUM_THREADS]; + time_t endtime; + size_t i, j; + + endtime = time(NULL) + THREADED_RUN_TIME; + + for (i = j = 0; j < 2; j++) { + + ATF_CHECK(pthread_create(&threads[i++], NULL, thread_unsetenv, + &endtime) == 0); + } + + for (j = 0; j < i; j++) + ATF_CHECK(pthread_join(threads[j], NULL) == 0); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, getenv_r_thread); + ATF_TP_ADD_TC(tp, putenv_thread); + ATF_TP_ADD_TC(tp, setenv_thread); + ATF_TP_ADD_TC(tp, unsetenv_thread); + + return atf_no_error(); +} |
