/* * 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 #include #include __BEGIN_DECLS #if defined(__clang__) /* clang should support alloc_size in the nearish future. */ #if __has_attribute(alloc_size) #error "We should enable alloc_size for clang." #else #define __BIONIC_ALLOC_SIZE(...) #endif #else #define __BIONIC_ALLOC_SIZE(...) __attribute__((__alloc_size__(__VA_ARGS__))) #endif void* malloc(size_t byte_count) __mallocfunc __BIONIC_ALLOC_SIZE(1) __wur; void* calloc(size_t item_count, size_t item_size) __mallocfunc __BIONIC_ALLOC_SIZE(1,2) __wur; void* realloc(void* p, size_t byte_count) __BIONIC_ALLOC_SIZE(2) __wur; void free(void* p); void* memalign(size_t alignment, size_t byte_count) __mallocfunc __BIONIC_ALLOC_SIZE(2) __wur; size_t malloc_usable_size(const void* p) __INTRODUCED_IN(17); #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 */ struct mallinfo mallinfo(void); /* * XML structure for malloc_info(3) is in the following format: * * * * INT * INT * INT * INT * * INT * INT * INT * * * * * */ int malloc_info(int, FILE*) __INTRODUCED_IN(23); /* mallopt options */ #define M_DECAY_TIME -100 int mallopt(int, int) __INTRODUCED_IN(26); __END_DECLS #endif /* LIBC_INCLUDE_MALLOC_H_ */