[src/trunk]: src/tests/lib/libc/sys Remove unit tests for the never-exposed _...

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

details:   https://anonhg.NetBSD.org/src/rev/3de0fd7e4323
branches:  trunk
changeset: 1009398:3de0fd7e4323
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Wed Apr 22 21:28:02 2020 +0000

description:
Remove unit tests for the never-exposed _lwp_gettid(2).

diffstat:

 tests/lib/libc/sys/t_lwp_tid.c |  144 -----------------------------------------
 1 files changed, 0 insertions(+), 144 deletions(-)

diffs (148 lines):

diff -r 5bf9e6503e7b -r 3de0fd7e4323 tests/lib/libc/sys/t_lwp_tid.c
--- a/tests/lib/libc/sys/t_lwp_tid.c    Wed Apr 22 21:27:06 2020 +0000
+++ /dev/null   Thu Jan 01 00:00:00 1970 +0000
@@ -1,144 +0,0 @@
-/* $NetBSD: t_lwp_tid.c,v 1.1 2020/04/04 20:20:12 thorpej Exp $ */
-
-/*-
- * Copyright (c) 2019, 2020 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.
- */
-
-#include <sys/cdefs.h>
-__COPYRIGHT("@(#) Copyright (c) 2019\
- The NetBSD Foundation, inc. All rights reserved.");
-__RCSID("$NetBSD: t_lwp_tid.c,v 1.1 2020/04/04 20:20:12 thorpej Exp $");
-
-#include <sys/mman.h>
-#include <errno.h>
-#include <lwp.h>
-#include <stdio.h>
-#include <time.h>
-
-#include <atf-c.h>
-
-#define        MAX_LWPS        8
-#define        STACK_SIZE      65536
-#define        LWP_TID_MASK    0x3fffffff      /* placeholder */
-
-struct lwp_data {
-       ucontext_t      context;
-       void            *stack_base;
-       lwpid_t         lwpid;
-       lwpid_t         threadid;
-};
-
-struct lwp_data lwp_data[MAX_LWPS];
-lwpid_t master_tid;
-
-static bool
-tid_is_unique(int index, lwpid_t tid)
-{
-       if (tid == master_tid)
-               return false;
-
-       for (int i = 0; i < MAX_LWPS; i++) {
-               if (i == index)
-                       continue;
-               if (lwp_data[i].threadid == tid)
-                       return false;
-       }
-
-       return true;
-}
-
-static void
-gettid_test(void *arg)
-{
-       struct lwp_data *d = arg;
-
-       d->threadid = _lwp_gettid();
-       _lwp_exit();
-}
-
-ATF_TC(lwp_gettid);
-ATF_TC_HEAD(lwp_gettid, tc)
-{
-       atf_tc_set_md_var(tc, "descr", "checks _lwp_gettid()");
-}
-
-ATF_TC_BODY(lwp_gettid, tc)
-{
-       int i;
-
-       master_tid = _lwp_gettid();
-       ATF_REQUIRE(master_tid != 0);
-       ATF_REQUIRE((master_tid & ~LWP_TID_MASK) == 0);
-
-       /* Initialize our LWP data. */
-       for (i = 0; i < MAX_LWPS; i++) {
-               lwp_data[i].stack_base = mmap(NULL, STACK_SIZE,
-                   PROT_READ | PROT_WRITE,
-                   MAP_ANON | MAP_STACK | MAP_PRIVATE, -1, 0);
-               ATF_REQUIRE(lwp_data[i].stack_base != MAP_FAILED);
-               _lwp_makecontext(&lwp_data[i].context, gettid_test,
-                   &lwp_data[i], NULL, lwp_data[i].stack_base,
-                   STACK_SIZE);
-               lwp_data[i].threadid = 0;
-       }
-
-       /* Now kick off all the LWPs... */
-       for (i = 0; i < MAX_LWPS; i++) {
-               ATF_REQUIRE(_lwp_create(&lwp_data[i].context, 0,
-                   &lwp_data[i].lwpid) == 0);
-               printf("Started LWP %d\n", lwp_data[i].lwpid);
-       }
-
-       /* ...and wait for them to exit. */
-       for (i = 0; i < MAX_LWPS;) {
-               lwpid_t reaped_lwpid;
-
-               int rv = _lwp_wait(0, &reaped_lwpid);
-               if (rv == 0) {
-                       printf("Reaped LWP %d\n", reaped_lwpid);
-                       i++;
-                       continue;
-               } else {
-                       ATF_REQUIRE(errno != EDEADLK);
-                       continue;
-               }
-       }
-
-       /* Check the TIDs. */
-       for (i = 0; i < MAX_LWPS; i++) {
-               printf("Checking tid[%d] %d (0x%08x)\n", i,
-                   lwp_data[i].threadid, lwp_data[i].threadid);
-               ATF_REQUIRE(lwp_data[i].threadid != 0);
-               ATF_REQUIRE((lwp_data[i].threadid & ~LWP_TID_MASK) == 0);
-               ATF_REQUIRE(tid_is_unique(i, lwp_data[i].threadid));
-       }
-}
-
-ATF_TP_ADD_TCS(tp)
-{
-       ATF_TP_ADD_TC(tp, lwp_gettid);
-
-       return atf_no_error();
-}