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-rw-r--r--contrib/apr-util/buckets/apr_buckets_mmap.c144
1 files changed, 0 insertions, 144 deletions
diff --git a/contrib/apr-util/buckets/apr_buckets_mmap.c b/contrib/apr-util/buckets/apr_buckets_mmap.c
deleted file mode 100644
index 19de291b5332..000000000000
--- a/contrib/apr-util/buckets/apr_buckets_mmap.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/* Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "apr_buckets.h"
-
-#if APR_HAS_MMAP
-
-static apr_status_t mmap_bucket_read(apr_bucket *b, const char **str,
- apr_size_t *length, apr_read_type_e block)
-{
- apr_bucket_mmap *m = b->data;
- apr_status_t ok;
- void *addr;
-
- if (!m->mmap) {
- /* the apr_mmap_t was already cleaned up out from under us */
- return APR_EINVAL;
- }
-
- ok = apr_mmap_offset(&addr, m->mmap, b->start);
- if (ok != APR_SUCCESS) {
- return ok;
- }
- *str = addr;
- *length = b->length;
- return APR_SUCCESS;
-}
-
-static apr_status_t mmap_bucket_cleanup(void *data)
-{
- /* the apr_mmap_t is about to disappear out from under us, so we
- * have no choice but to pretend it doesn't exist anymore. the
- * refcount is now useless because there's nothing to refer to
- * anymore. so the only valid action on any remaining referrer
- * is to delete it. no more reads, no more anything. */
- apr_bucket_mmap *m = data;
-
- m->mmap = NULL;
- return APR_SUCCESS;
-}
-
-static void mmap_bucket_destroy(void *data)
-{
- apr_bucket_mmap *m = data;
-
- if (apr_bucket_shared_destroy(m)) {
- if (m->mmap) {
- apr_pool_cleanup_kill(m->mmap->cntxt, m, mmap_bucket_cleanup);
- apr_mmap_delete(m->mmap);
- }
- apr_bucket_free(m);
- }
-}
-
-/*
- * XXX: are the start and length arguments useful?
- */
-APU_DECLARE(apr_bucket *) apr_bucket_mmap_make(apr_bucket *b, apr_mmap_t *mm,
- apr_off_t start,
- apr_size_t length)
-{
- apr_bucket_mmap *m;
-
- m = apr_bucket_alloc(sizeof(*m), b->list);
- m->mmap = mm;
-
- apr_pool_cleanup_register(mm->cntxt, m, mmap_bucket_cleanup,
- apr_pool_cleanup_null);
-
- b = apr_bucket_shared_make(b, m, start, length);
- b->type = &apr_bucket_type_mmap;
-
- return b;
-}
-
-
-APU_DECLARE(apr_bucket *) apr_bucket_mmap_create(apr_mmap_t *mm,
- apr_off_t start,
- apr_size_t length,
- apr_bucket_alloc_t *list)
-{
- apr_bucket *b = apr_bucket_alloc(sizeof(*b), list);
-
- APR_BUCKET_INIT(b);
- b->free = apr_bucket_free;
- b->list = list;
- return apr_bucket_mmap_make(b, mm, start, length);
-}
-
-static apr_status_t mmap_bucket_setaside(apr_bucket *b, apr_pool_t *p)
-{
- apr_bucket_mmap *m = b->data;
- apr_mmap_t *mm = m->mmap;
- apr_mmap_t *new_mm;
- apr_status_t ok;
-
- if (!mm) {
- /* the apr_mmap_t was already cleaned up out from under us */
- return APR_EINVAL;
- }
-
- /* shortcut if possible */
- if (apr_pool_is_ancestor(mm->cntxt, p)) {
- return APR_SUCCESS;
- }
-
- /* duplicate apr_mmap_t into new pool */
- ok = apr_mmap_dup(&new_mm, mm, p);
- if (ok != APR_SUCCESS) {
- return ok;
- }
-
- /* decrement refcount on old apr_bucket_mmap */
- mmap_bucket_destroy(m);
-
- /* create new apr_bucket_mmap pointing to new apr_mmap_t */
- apr_bucket_mmap_make(b, new_mm, b->start, b->length);
-
- return APR_SUCCESS;
-}
-
-APU_DECLARE_DATA const apr_bucket_type_t apr_bucket_type_mmap = {
- "MMAP", 5, APR_BUCKET_DATA,
- mmap_bucket_destroy,
- mmap_bucket_read,
- mmap_bucket_setaside,
- apr_bucket_shared_split,
- apr_bucket_shared_copy
-};
-
-#endif