| 1 | // Copyright (c) 2005, Google Inc.
|
|---|
| 2 | // All rights reserved.
|
|---|
| 3 | //
|
|---|
| 4 | // Redistribution and use in source and binary forms, with or without
|
|---|
| 5 | // modification, are permitted provided that the following conditions are
|
|---|
| 6 | // met:
|
|---|
| 7 | //
|
|---|
| 8 | // * Redistributions of source code must retain the above copyright
|
|---|
| 9 | // notice, this list of conditions and the following disclaimer.
|
|---|
| 10 | // * Redistributions in binary form must reproduce the above
|
|---|
| 11 | // copyright notice, this list of conditions and the following disclaimer
|
|---|
| 12 | // in the documentation and/or other materials provided with the
|
|---|
| 13 | // distribution.
|
|---|
| 14 | // * Neither the name of Google Inc. nor the names of its
|
|---|
| 15 | // contributors may be used to endorse or promote products derived from
|
|---|
| 16 | // this software without specific prior written permission.
|
|---|
| 17 | //
|
|---|
| 18 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|---|
| 19 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|---|
| 20 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|---|
| 21 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|---|
| 22 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|---|
| 23 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|---|
| 24 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 25 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 26 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 27 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|---|
| 28 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 29 |
|
|---|
| 30 | // ---
|
|---|
| 31 | // Author: Sanjay Ghemawat
|
|---|
| 32 | //
|
|---|
| 33 | // Routine that uses sbrk/mmap to allocate memory from the system.
|
|---|
| 34 | // Useful for implementing malloc.
|
|---|
| 35 |
|
|---|
| 36 | #ifndef TCMALLOC_SYSTEM_ALLOC_H__
|
|---|
| 37 | #define TCMALLOC_SYSTEM_ALLOC_H__
|
|---|
| 38 |
|
|---|
| 39 | // REQUIRES: "alignment" is a power of two or "0" to indicate default alignment
|
|---|
| 40 | //
|
|---|
| 41 | // Allocate and return "N" bytes of zeroed memory. The returned
|
|---|
| 42 | // pointer is a multiple of "alignment" if non-zero. Returns NULL
|
|---|
| 43 | // when out of memory.
|
|---|
| 44 | extern void* TCMalloc_SystemAlloc(size_t bytes, size_t alignment = 0);
|
|---|
| 45 |
|
|---|
| 46 | #endif /* TCMALLOC_SYSTEM_ALLOC_H__ */
|
|---|
