This commit was manufactured by cvs2git to create tag 'tb_20250802'.tb_20250802

1 files changed, 0 insertions, 329 deletions

diff --git a/src/regress/lib/libc/sys/t_mlock.c b/src/regress/lib/libc/sys/t_mlock.c
deleted file mode 100644
index 865bd9e36b..0000000000
--- a/src/regress/lib/libc/sys/t_mlock.c
+++ /dev/null
@@ -1,329 +0,0 @@
-/*      $OpenBSD: t_mlock.c,v 1.3 2021/12/13 16:56:48 deraadt Exp $     */
-/* $NetBSD: t_mlock.c,v 1.8 2020/01/24 08:45:16 skrll Exp $ */
-
-/*-
- * Copyright (c) 2012 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 "macros.h"
-
-#include <sys/mman.h>
-#include <sys/resource.h>
-#include <sys/sysctl.h>
-#include <sys/wait.h>
-
-#include <errno.h>
-#include "atf-c.h"
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-static long page = 0;
-
-ATF_TC(mlock_clip);
-ATF_TC_HEAD(mlock_clip, tc)
-{
-        atf_tc_set_md_var(tc, "descr", "Test with mlock(2) that UVM only "
-            "clips if the clip address is within the entry (PR kern/44788)");
-}
-
-ATF_TC_BODY(mlock_clip, tc)
-{
-        void *buf;
-        int err1, err2;
-
-        buf = malloc(page);
-        ATF_REQUIRE(buf != NULL);
-        fprintf(stderr, "mlock_clip: buf = %p (page=%ld)\n", buf, page);
-
-        if (page < 1024)
-                atf_tc_skip("page size too small");
-
-        for (size_t i = page; i >= 1; i = i - 1024) {
-                err1 = mlock(buf, page - i);
-                if (err1 != 0)
-                        fprintf(stderr, "mlock_clip: page=%ld i=%zu,"
-                            " mlock(%p, %ld): %s\n", page, i, buf, page - i,
-                            strerror(errno));
-                err2 = munlock(buf, page - i);
-                if (err2 != 0)
-                        fprintf(stderr, "mlock_clip: page=%ld i=%zu,"
-                            " munlock(%p, %ld): %s (mlock %s)\n", page, i,
-                            buf, page - i, strerror(errno), err1?"failed":"ok");
-        }
-
-        free(buf);
-}
-
-ATF_TC(mlock_err);
-ATF_TC_HEAD(mlock_err, tc)
-{
-        atf_tc_set_md_var(tc, "descr",
-            "Test error conditions in mlock(2) and munlock(2)");
-}
-
-ATF_TC_BODY(mlock_err, tc)
-{
-        void *invalid_ptr;
-        void *buf;
-        int mlock_err, munlock_err;
-
-        /*
-         * Any bad address must return ENOMEM (for lock & unlock)
-         */
-        errno = 0;
-        ATF_REQUIRE_ERRNO(ENOMEM, mlock(NULL, page) == -1);
-
-        errno = 0;
-        ATF_REQUIRE_ERRNO(ENOMEM, mlock((char *)0, page) == -1);
-
-        errno = 0;
-#ifdef __OpenBSD__
-        ATF_REQUIRE_ERRNO(EINVAL, mlock((char *)-1, page) == -1);
-#else
-        ATF_REQUIRE_ERRNO(ENOMEM, mlock((char *)-1, page) == -1);
-#endif
-
-        errno = 0;
-        ATF_REQUIRE_ERRNO(ENOMEM, munlock(NULL, page) == -1);
-
-        errno = 0;
-        ATF_REQUIRE_ERRNO(ENOMEM, munlock((char *)0, page) == -1);
-
-        errno = 0;
-#ifdef __OpenBSD__
-        ATF_REQUIRE_ERRNO(EINVAL, munlock((char *)-1, page) == -1);
-#else
-        ATF_REQUIRE_ERRNO(ENOMEM, munlock((char *)-1, page) == -1);
-#endif
-
-        buf = malloc(page);
-        ATF_REQUIRE(buf != NULL);
-        fprintf(stderr, "mlock_err: buf = %p (page=%ld)\n", buf, page);
-
-        /*
-         * unlocking memory that is not locked is an error...
-         */
-
-#ifndef __OpenBSD__
-        errno = 0;
-        ATF_REQUIRE_ERRNO(ENOMEM, munlock(buf, page) == -1);
-#endif
-
-        /*
-         * These are permitted to fail (EINVAL) but do not on NetBSD
-         */
-        mlock_err = mlock((void *)(((uintptr_t)buf) + page/3), page/5);
-        if (mlock_err != 0)
-            fprintf(stderr, "mlock_err: mlock(%p, %ld): %d [%d] %s\n",
-                (void *)(((uintptr_t)buf) + page/3), page/5, mlock_err,
-                errno, strerror(errno));
-        ATF_REQUIRE(mlock_err == 0);
-        munlock_err= munlock((void *)(((uintptr_t)buf) + page/3), page/5);
-        if (munlock_err != 0)
-            fprintf(stderr, "mlock_err: munlock(%p, %ld): %d [%d] %s\n",
-                (void *)(((uintptr_t)buf) + page/3), page/5, munlock_err,
-                errno, strerror(errno));
-        ATF_REQUIRE(munlock_err == 0);
-
-        (void)free(buf);
-
-        /*
-         * Try to create a pointer to an unmapped page - first after current
-         * brk will likely do.
-         */
-        invalid_ptr = (void*)(((uintptr_t)sbrk(0)+page) & ~(page-1));
-        printf("testing with (hopefully) invalid pointer %p\n", invalid_ptr);
-
-        errno = 0;
-        ATF_REQUIRE_ERRNO(ENOMEM, mlock(invalid_ptr, page) == -1);
-
-        errno = 0;
-        ATF_REQUIRE_ERRNO(ENOMEM, munlock(invalid_ptr, page) == -1);
-}
-
-ATF_TC(mlock_limits);
-ATF_TC_HEAD(mlock_limits, tc)
-{
-        atf_tc_set_md_var(tc, "descr", "Test system limits with mlock(2)");
-}
-
-ATF_TC_BODY(mlock_limits, tc)
-{
-        struct rlimit res;
-        void *buf;
-        pid_t pid;
-        int sta;
-
-        buf = malloc(page);
-        ATF_REQUIRE(buf != NULL);
-        fprintf(stderr, "mlock_limits: buf = %p (page=%ld)\n", buf, page);
-
-        pid = fork();
-        ATF_REQUIRE(pid >= 0);
-
-        if (pid == 0) {
-
-                for (ssize_t i = page; i >= 2; i -= 100) {
-
-                        res.rlim_cur = i - 1;
-                        res.rlim_max = i - 1;
-
-                        (void)fprintf(stderr, "trying to lock %zu bytes "
-                            "with %zu byte limit\n", i, (size_t)res.rlim_cur);
-
-                        if (setrlimit(RLIMIT_MEMLOCK, &res) != 0)
-                                _exit(EXIT_FAILURE);
-
-                        errno = 0;
-
-                        if ((sta = mlock(buf, i)) != -1 || errno != EAGAIN) {
-                                fprintf(stderr, "mlock(%p, %zu): %d [%d] %s\n",
-                                    buf, i, sta, errno, strerror(errno));
-                                (void)munlock(buf, i);
-                                _exit(EXIT_FAILURE);
-                        }
-                }
-
-                _exit(EXIT_SUCCESS);
-        }
-
-        (void)wait(&sta);
-
-        if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
-                atf_tc_fail("mlock(2) locked beyond system limits");
-
-        free(buf);
-}
-
-ATF_TC(mlock_mmap);
-ATF_TC_HEAD(mlock_mmap, tc)
-{
-        atf_tc_set_md_var(tc, "descr", "Test mlock(2)-mmap(2) interaction");
-}
-
-ATF_TC_BODY(mlock_mmap, tc)
-{
-#ifdef __OpenBSD__
-        static const int flags = MAP_ANON | MAP_PRIVATE;
-#else
-        static const int flags = MAP_ANON | MAP_PRIVATE | MAP_WIRED;
-#endif
-        void *buf;
-
-        /*
-         * Make a wired RW mapping and check that mlock(2)
-         * does not fail for the (already locked) mapping.
-         */
-        buf = mmap(NULL, page, PROT_READ | PROT_WRITE, flags, -1, 0);
-
-        if (buf == MAP_FAILED)
-                fprintf(stderr,
-                    "mlock_mmap: mmap(NULL, %ld, %#x, %#x, -1, 0): MAP_FAILED"
-                    " [%d] %s\n", page, PROT_READ | PROT_WRITE, flags, errno,
-                    strerror(errno));
-
-        ATF_REQUIRE(buf != MAP_FAILED);
-
-        fprintf(stderr, "mlock_mmap: buf=%p, page=%ld\n", buf, page);
-
-        ATF_REQUIRE(mlock(buf, page) == 0);
-        ATF_REQUIRE(munlock(buf, page) == 0);
-        ATF_REQUIRE(munmap(buf, page) == 0);
-        ATF_REQUIRE(munlock(buf, page) != 0);
-
-        fprintf(stderr, "mlock_mmap: first test succeeded\n");
-
-        /*
-         * But it should be impossible to mlock(2) a PROT_NONE mapping.
-         */
-        buf = mmap(NULL, page, PROT_NONE, flags, -1, 0);
-
-        if (buf == MAP_FAILED)
-                fprintf(stderr,
-                    "mlock_mmap: mmap(NULL, %ld, %#x, %#x, -1, 0): MAP_FAILED"
-                    " [%d] %s\n", page, PROT_NONE, flags, errno,
-                    strerror(errno));
-
-        ATF_REQUIRE(buf != MAP_FAILED);
-        ATF_REQUIRE(mlock(buf, page) != 0);
-        ATF_REQUIRE(munmap(buf, page) == 0);
-
-        fprintf(stderr, "mlock_mmap: second test succeeded\n");
-}
-
-ATF_TC(mlock_nested);
-ATF_TC_HEAD(mlock_nested, tc)
-{
-        atf_tc_set_md_var(tc, "descr",
-            "Test that consecutive mlock(2) calls succeed");
-}
-
-ATF_TC_BODY(mlock_nested, tc)
-{
-        const size_t maxiter = 100;
-        void *buf;
-        int err;
-
-        buf = malloc(page);
-        ATF_REQUIRE(buf != NULL);
-        fprintf(stderr, "mlock_nested: buf = %p (page=%ld)\n", buf, page);
-
-        for (size_t i = 0; i < maxiter; i++) {
-                err = mlock(buf, page);
-                if (err != 0)
-                    fprintf(stderr,
-                    "mlock_nested: i=%zu (of %zu) mlock(%p, %ld): %d [%d] %s\n",
-                        i, maxiter, buf, page, err, errno, strerror(errno));
-                ATF_REQUIRE(err == 0);
-        }
-
-        err = munlock(buf, page);
-        if (err != 0)
-                fprintf(stderr, "mlock_nested: munlock(%p, %ld): %d [%d] %s\n",
-                    buf, page, err, errno, strerror(errno));
-        ATF_REQUIRE(err == 0);
-        free(buf);
-}
-
-ATF_TP_ADD_TCS(tp)
-{
-
-        page = sysconf(_SC_PAGESIZE);
-        ATF_REQUIRE(page >= 0);
-
-        ATF_TP_ADD_TC(tp, mlock_clip);
-        ATF_TP_ADD_TC(tp, mlock_err);
-        ATF_TP_ADD_TC(tp, mlock_limits);
-        ATF_TP_ADD_TC(tp, mlock_mmap);
-        ATF_TP_ADD_TC(tp, mlock_nested);
-
-        return atf_no_error();
-}