diff options
Diffstat (limited to '8/platforms/android-8/arch-arm/usr/include/malloc.h')
| -rw-r--r-- | 8/platforms/android-8/arch-arm/usr/include/malloc.h | 125 |
1 files changed, 41 insertions, 84 deletions
diff --git a/8/platforms/android-8/arch-arm/usr/include/malloc.h b/8/platforms/android-8/arch-arm/usr/include/malloc.h index a864286..ec21926 100644 --- a/8/platforms/android-8/arch-arm/usr/include/malloc.h +++ b/8/platforms/android-8/arch-arm/usr/include/malloc.h @@ -1,33 +1,27 @@ /* - * Copyright (C) 2008 The Android Open Source Project - * All rights reserved. + * Copyright (C) 2012 The Android Open Source Project * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. + * Licensed 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 * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 - * COPYRIGHT OWNER 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. + * 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. */ -#ifndef _MALLOC_H_ -#define _MALLOC_H_ +#ifndef LIBC_INCLUDE_MALLOC_H_ +#define LIBC_INCLUDE_MALLOC_H_ + +/* + * Declaration of malloc routines. Bionic uses dlmalloc (see + * upstream-dlmalloc) but doesn't directly include it here to keep the + * defined malloc.h interface small. + */ #include <sys/cdefs.h> #include <stddef.h> @@ -35,70 +29,33 @@ __BEGIN_DECLS extern __mallocfunc void* malloc(size_t); extern __mallocfunc void* calloc(size_t, size_t); -extern __mallocfunc void* realloc(void *, size_t); -extern void free(void *); +extern void* realloc(void *, size_t); +extern void free(void *); -extern void* memalign(size_t alignment, size_t bytesize); -extern void* valloc(size_t bytesize); -extern void* pvalloc(size_t bytesize); -extern int mallopt(int param_number, int param_value); -extern size_t malloc_footprint(void); -extern size_t malloc_max_footprint(void); +extern void* memalign(size_t alignment, size_t bytesize); +extern size_t malloc_usable_size(void*); +extern void* valloc(size_t bytesize); +extern void* pvalloc(size_t bytesize); + +#ifndef STRUCT_MALLINFO_DECLARED +#define STRUCT_MALLINFO_DECLARED 1 struct mallinfo { - size_t arena; /* non-mmapped space allocated from system */ - size_t ordblks; /* number of free chunks */ - size_t smblks; /* always 0 */ - size_t hblks; /* always 0 */ - size_t hblkhd; /* space in mmapped regions */ - size_t usmblks; /* maximum total allocated space */ - size_t fsmblks; /* always 0 */ - size_t uordblks; /* total allocated space */ - size_t fordblks; /* total free space */ - size_t keepcost; /* releasable (via malloc_trim) space */ + size_t arena; + size_t ordblks; + size_t smblks; + size_t hblks; + size_t hblkhd; + size_t usmblks; + size_t fsmblks; + size_t uordblks; + size_t fordblks; + size_t keepcost; }; +#endif /* STRUCT_MALLINFO_DECLARED */ -extern struct mallinfo mallinfo(void); - - -/* - malloc_usable_size(void* p); - - Returns the number of bytes you can actually use in - an allocated chunk, which may be more than you requested (although - often not) due to alignment and minimum size constraints. - You can use this many bytes without worrying about - overwriting other allocated objects. This is not a particularly great - programming practice. malloc_usable_size can be more useful in - debugging and assertions, for example: - - p = malloc(n); - assert(malloc_usable_size(p) >= 256); -*/ -extern size_t malloc_usable_size(void* block); - -/* - malloc_stats(); - Prints on stderr the amount of space obtained from the system (both - via sbrk and mmap), the maximum amount (which may be more than - current if malloc_trim and/or munmap got called), and the current - number of bytes allocated via malloc (or realloc, etc) but not yet - freed. Note that this is the number of bytes allocated, not the - number requested. It will be larger than the number requested - because of alignment and bookkeeping overhead. Because it includes - alignment wastage as being in use, this figure may be greater than - zero even when no user-level chunks are allocated. - - The reported current and maximum system memory can be inaccurate if - a program makes other calls to system memory allocation functions - (normally sbrk) outside of malloc. - - malloc_stats prints only the most commonly interesting statistics. - More information can be obtained by calling mallinfo. -*/ -extern void malloc_stats(void); +extern struct mallinfo mallinfo(void); __END_DECLS -#endif /* _MALLOC_H_ */ - +#endif /* LIBC_INCLUDE_MALLOC_H_ */ |