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https://github.com/jerryscript-project/jerryscript.git
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65c32f6a3b
It's generally considered a bad programming practice to have function declarations without parameter names. This is another legacy from the early days of the project. Fix in one go to minimize history disruption. Used a custom clang-tidy check to create the bulk of the change. JerryScript-DCO-1.0-Signed-off-by: Tilmann Scheller t.scheller@samsung.com
122 lines
3.3 KiB
C
122 lines
3.3 KiB
C
/* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Heap allocator interface
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*/
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#ifndef JMEM_HEAP_H
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#define JMEM_HEAP_H
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#include "jrt.h"
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/** \addtogroup mem Memory allocation
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* @{
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*
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* \addtogroup heap Heap
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* @{
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*/
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void jmem_heap_init (void);
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void jmem_heap_finalize (void);
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void *jmem_heap_alloc_block (const size_t size);
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void *jmem_heap_alloc_block_null_on_error (const size_t size);
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void jmem_heap_free_block (void *ptr, const size_t size);
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bool jmem_is_heap_pointer (const void *pointer);
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#ifdef JMEM_STATS
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/**
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* Heap memory usage statistics
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*/
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typedef struct
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{
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size_t size; /**< size */
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size_t allocated_bytes; /**< currently allocated bytes */
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size_t peak_allocated_bytes; /**< peak allocated bytes */
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size_t global_peak_allocated_bytes; /**< non-resettable peak allocated bytes */
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size_t waste_bytes; /**< bytes waste due to blocks filled partially
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and due to block headers */
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size_t peak_waste_bytes; /**< peak bytes waste */
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size_t global_peak_waste_bytes; /**< non-resettable peak bytes waste */
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size_t skip_count;
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size_t nonskip_count;
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size_t alloc_count;
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size_t alloc_iter_count;
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size_t free_count;
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size_t free_iter_count;
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} jmem_heap_stats_t;
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void jmem_heap_get_stats (jmem_heap_stats_t *);
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void jmem_heap_stats_reset_peak (void);
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void jmem_heap_stats_print (void);
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#endif /* JMEM_STATS */
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#ifdef JERRY_VALGRIND_FREYA
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#ifdef JERRY_VALGRIND
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#error Valgrind and valgrind-freya modes are not compatible.
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#endif /* JERRY_VALGRIND */
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void jmem_heap_valgrind_freya_mempool_request (void);
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#define JMEM_HEAP_VALGRIND_FREYA_MEMPOOL_REQUEST() jmem_heap_valgrind_freya_mempool_request ()
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#else /* !JERRY_VALGRIND_FREYA */
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#define JMEM_HEAP_VALGRIND_FREYA_MEMPOOL_REQUEST()
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#endif /* JERRY_VALGRIND_FREYA */
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/**
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* Define a local array variable and allocate memory for the array on the heap.
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*
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* If requested number of elements is zero, assign NULL to the variable.
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*
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* Warning:
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* if there is not enough memory on the heap, shutdown engine with ERR_OUT_OF_MEMORY.
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*/
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#define JMEM_DEFINE_LOCAL_ARRAY(var_name, number, type) \
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{ \
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size_t var_name ## ___size = (size_t) (number) * sizeof (type); \
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type *var_name = (type *) (jmem_heap_alloc_block (var_name ## ___size));
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/**
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* Free the previously defined local array variable, freeing corresponding block on the heap,
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* if it was allocated (i.e. if the array's size was non-zero).
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*/
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#define JMEM_FINALIZE_LOCAL_ARRAY(var_name) \
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if (var_name != NULL) \
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{ \
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JERRY_ASSERT (var_name ## ___size != 0); \
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\
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jmem_heap_free_block (var_name, var_name ## ___size); \
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} \
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else \
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{ \
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JERRY_ASSERT (var_name ## ___size == 0); \
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} \
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}
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/**
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* @}
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* @}
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*/
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#endif /* !JMEM_HEAP_H */
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