-#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>
size_t length; /* virtual mmap length */
};
-#ifdef __WIN32__
-#include <windows.h>
-
-/*
- * On windows the memory mapping offset must be aligned to the memory
- * allocator allocation granularity and not the page size.
- */
-static inline
-off_t get_page_aligned_offset(off_t offset, size_t page_size)
-{
- SYSTEM_INFO sysinfo;
-
- GetNativeSystemInfo(&sysinfo);
-
- return ALIGN_FLOOR(offset, sysinfo.dwAllocationGranularity);
-}
-#else
static inline
-off_t get_page_aligned_offset(off_t offset, size_t page_size)
+off_t get_page_aligned_offset(off_t offset, int log_level)
{
- return ALIGN_FLOOR(offset, page_size);
+ return ALIGN_FLOOR(offset, bt_mmap_get_offset_align_size(log_level));
}
-#endif
static inline
struct mmap_align *mmap_align(size_t length, int prot,
if (!mma)
return MAP_FAILED;
mma->length = length;
- page_aligned_offset = get_page_aligned_offset(offset, page_size);
+ page_aligned_offset = get_page_aligned_offset(offset, log_level);
/*
* Page aligned length needs to contain the requested range.
* E.g., for a small range that fits within a single page, we might