| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * 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 |
| * |
| * 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 LIBC_INCLUDE_MALLOC_H_ |
| #define LIBC_INCLUDE_MALLOC_H_ |
| |
| #include <sys/cdefs.h> |
| #include <stddef.h> |
| #include <stdio.h> |
| |
| __BEGIN_DECLS |
| |
| extern void* malloc(size_t byte_count) __mallocfunc __wur __attribute__((alloc_size(1))); |
| extern void* calloc(size_t item_count, size_t item_size) __mallocfunc __wur __attribute__((alloc_size(1,2))); |
| extern void* realloc(void* p, size_t byte_count) __wur __attribute__((alloc_size(2))); |
| extern void free(void* p); |
| |
| extern void* memalign(size_t alignment, size_t byte_count) __mallocfunc __wur __attribute__((alloc_size(2))); |
| extern size_t malloc_usable_size(const void* p); |
| |
| #ifndef STRUCT_MALLINFO_DECLARED |
| #define STRUCT_MALLINFO_DECLARED 1 |
| struct mallinfo { |
| size_t arena; /* Total number of non-mmapped bytes currently allocated from OS. */ |
| size_t ordblks; /* Number of free chunks. */ |
| size_t smblks; /* (Unused.) */ |
| size_t hblks; /* (Unused.) */ |
| size_t hblkhd; /* Total number of bytes in mmapped regions. */ |
| size_t usmblks; /* Maximum total allocated space; greater than total if trimming has occurred. */ |
| size_t fsmblks; /* (Unused.) */ |
| size_t uordblks; /* Total allocated space (normal or mmapped.) */ |
| size_t fordblks; /* Total free space. */ |
| size_t keepcost; /* Upper bound on number of bytes releasable by malloc_trim. */ |
| }; |
| #endif /* STRUCT_MALLINFO_DECLARED */ |
| |
| extern struct mallinfo mallinfo(void); |
| |
| /* |
| * XML structure for malloc_info(3) is in the following format: |
| * |
| * <malloc version="jemalloc-1"> |
| * <heap nr="INT"> |
| * <allocated-large>INT</allocated-large> |
| * <allocated-huge>INT</allocated-huge> |
| * <allocated-bins>INT</allocated-bins> |
| * <bins-total>INT</bins-total> |
| * <bin nr="INT"> |
| * <allocated>INT</allocated> |
| * <nmalloc>INT</nmalloc> |
| * <ndalloc>INT</ndalloc> |
| * </bin> |
| * <!-- more bins --> |
| * </heap> |
| * <!-- more heaps --> |
| * </malloc> |
| */ |
| extern int malloc_info(int, FILE *); |
| |
| __END_DECLS |
| |
| #endif /* LIBC_INCLUDE_MALLOC_H_ */ |