diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/sys/t_getpid.c')
-rw-r--r-- | contrib/netbsd-tests/lib/libc/sys/t_getpid.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/sys/t_getpid.c b/contrib/netbsd-tests/lib/libc/sys/t_getpid.c new file mode 100644 index 0000000..b3ed393 --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/sys/t_getpid.c @@ -0,0 +1,134 @@ +/* $NetBSD: t_getpid.c,v 1.1 2011/07/07 06:57:53 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_getpid.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $"); + +#include <sys/wait.h> + +#include <stdlib.h> +#include <pthread.h> +#include <unistd.h> + +#include <atf-c.h> + +static int maxiter = 10; +static void *threadfunc(void *); + +static void * +threadfunc(void *arg) +{ + *(pid_t *)arg = getpid(); + + return NULL; +} + +ATF_TC(getpid_process); +ATF_TC_HEAD(getpid_process, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test getpid(2) with processes"); +} + +ATF_TC_BODY(getpid_process, tc) +{ + pid_t ppid, fpid, cpid, tpid, wpid; + int i, sta; + + for (i = 0; i < maxiter; i++) { + + tpid = getpid(); + fpid = fork(); + + ATF_REQUIRE(fpid >= 0); + + if (fpid == 0) { + + cpid = getpid(); + ppid = getppid(); + + if (tpid != ppid) + _exit(EXIT_FAILURE); + + if (cpid == ppid) + _exit(EXIT_FAILURE); + + if (tpid == fpid) + _exit(EXIT_FAILURE); + + _exit(EXIT_SUCCESS); + } + + wpid = wait(&sta); + + if (wpid != fpid) + atf_tc_fail("PID mismatch"); + + ATF_REQUIRE(WIFEXITED(sta) != 0); + + if (WEXITSTATUS(sta) != EXIT_SUCCESS) + atf_tc_fail("PID mismatch"); + } +} + +ATF_TC(getpid_thread); +ATF_TC_HEAD(getpid_thread, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test getpid(2) with threads"); +} + +ATF_TC_BODY(getpid_thread, tc) +{ + pid_t pid, tpid; + pthread_t tid; + int i, rv; + + for (i = 0; i < maxiter; i++) { + + pid = getpid(); + + rv = pthread_create(&tid, NULL, threadfunc, &tpid); + ATF_REQUIRE(rv == 0); + + rv = pthread_join(tid, NULL); + ATF_REQUIRE(rv == 0); + + if (pid != tpid) + atf_tc_fail("Unequal PIDs"); + } +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, getpid_process); + ATF_TP_ADD_TC(tp, getpid_thread); + + return atf_no_error(); +} |