-#ifndef _BABELTRACE_MMAP_ALIGN_H
-#define _BABELTRACE_MMAP_ALIGN_H
-
/*
- * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
+ * SPDX-License-Identifier: MIT
*
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * Copyright 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*/
+#ifndef _BABELTRACE_MMAP_ALIGN_H
+#define _BABELTRACE_MMAP_ALIGN_H
+
#include "common/align.h"
#include <stdlib.h>
#include <stdint.h>
* cannot be forced, so we allocate at an address chosen by the OS.
*/
-struct mmap_align {
+struct mmap_align_data {
void *page_aligned_addr; /* mmap address, aligned to floor */
size_t page_aligned_length; /* mmap length, containing range */
static inline
off_t get_page_aligned_offset(off_t offset, int log_level)
{
- return ALIGN_FLOOR(offset, bt_mmap_get_offset_align_size(log_level));
+ return BT_ALIGN_FLOOR(offset, bt_mmap_get_offset_align_size(log_level));
}
static inline
-struct mmap_align *mmap_align(size_t length, int prot,
+struct mmap_align_data *mmap_align(size_t length, int prot,
int flags, int fd, off_t offset, int log_level)
{
- struct mmap_align *mma;
+ struct mmap_align_data *mma;
off_t page_aligned_offset; /* mmap offset, aligned to floor */
size_t page_size;
page_size = bt_common_get_page_size(log_level);
- mma = malloc(sizeof(*mma));
+ mma = (struct mmap_align_data *) malloc(sizeof(*mma));
if (!mma)
- return MAP_FAILED;
+ return (struct mmap_align_data *) MAP_FAILED;
mma->length = length;
page_aligned_offset = get_page_aligned_offset(offset, log_level);
/*
* require a 2 pages page_aligned_length if the range crosses a page
* boundary.
*/
- mma->page_aligned_length = ALIGN(length + offset - page_aligned_offset, page_size);
- mma->page_aligned_addr = bt_mmap(NULL, mma->page_aligned_length,
+ mma->page_aligned_length = BT_ALIGN(length + offset - page_aligned_offset, page_size);
+ mma->page_aligned_addr = bt_mmap(mma->page_aligned_length,
prot, flags, fd, page_aligned_offset, log_level);
if (mma->page_aligned_addr == MAP_FAILED) {
free(mma);
- return MAP_FAILED;
+ return (struct mmap_align_data *) MAP_FAILED;
}
mma->addr = ((uint8_t *) mma->page_aligned_addr) + (offset - page_aligned_offset);
return mma;
}
static inline
-int munmap_align(struct mmap_align *mma)
+int munmap_align(struct mmap_align_data *mma)
{
void *page_aligned_addr;
size_t page_aligned_length;
}
static inline
-void *mmap_align_addr(struct mmap_align *mma)
+void *mmap_align_addr(struct mmap_align_data *mma)
{
return mma->addr;
}
* Helper for special-cases, normally unused.
*/
static inline
-void mmap_align_set_addr(struct mmap_align *mma, void *addr)
+void mmap_align_set_addr(struct mmap_align_data *mma, void *addr)
{
mma->addr = addr;
}