111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* 211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * Copyright (C) 2012 The Android Open Source Project 311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * 411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * Licensed under the Apache License, Version 2.0 (the "License"); 511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * you may not use this file except in compliance with the License. 611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * You may obtain a copy of the License at 711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * 811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * http://www.apache.org/licenses/LICENSE-2.0 911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * 1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * Unless required by applicable law or agreed to in writing, software 1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * distributed under the License is distributed on an "AS IS" BASIS, 1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * See the License for the specific language governing permissions and 1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * limitations under the License. 1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert */ 1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef LIBC_INCLUDE_MALLOC_H_ 1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define LIBC_INCLUDE_MALLOC_H_ 1911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* 2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * Declaration of malloc routines. Bionic uses dlmalloc (see 2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * upstream-dlmalloc) but doesn't directly include it here to keep the 2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * defined malloc.h interface small. 2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert */ 2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <sys/cdefs.h> 2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <stddef.h> 2711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert__BEGIN_DECLS 2911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albertextern void* malloc(size_t byte_count) __mallocfunc __wur __attribute__((alloc_size(1))); 3111cd02dfb91661c65134cac258cf5924270e9d2Dan Albertextern void* calloc(size_t item_count, size_t item_size) __mallocfunc __wur __attribute__((alloc_size(1,2))); 3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albertextern void* realloc(void* p, size_t byte_count) __wur __attribute__((alloc_size(2))); 3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albertextern void free(void* p); 3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 3511cd02dfb91661c65134cac258cf5924270e9d2Dan Albertextern void* memalign(size_t alignment, size_t byte_count) __mallocfunc __wur __attribute__((alloc_size(2))); 3611cd02dfb91661c65134cac258cf5924270e9d2Dan Albertextern size_t malloc_usable_size(const void* p); 3711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 3811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef STRUCT_MALLINFO_DECLARED 3911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define STRUCT_MALLINFO_DECLARED 1 4011cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct mallinfo { 4111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert size_t arena; /* Total number of non-mmapped bytes currently allocated from OS. */ 4211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert size_t ordblks; /* Number of free chunks. */ 4311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert size_t smblks; /* (Unused.) */ 4411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert size_t hblks; /* (Unused.) */ 4511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert size_t hblkhd; /* Total number of bytes in mmapped regions. */ 4611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert size_t usmblks; /* Maximum total allocated space; greater than total if trimming has occurred. */ 4711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert size_t fsmblks; /* (Unused.) */ 4811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert size_t uordblks; /* Total allocated space (normal or mmapped.) */ 4911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert size_t fordblks; /* Total free space. */ 5011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert size_t keepcost; /* Upper bound on number of bytes releasable by malloc_trim. */ 5111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert}; 5211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif /* STRUCT_MALLINFO_DECLARED */ 5311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 5411cd02dfb91661c65134cac258cf5924270e9d2Dan Albertextern struct mallinfo mallinfo(void); 5511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 5611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert__END_DECLS 5711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 5811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif /* LIBC_INCLUDE_MALLOC_H_ */ 59