memarea_chunk_t Struct Reference

Data Fields
struct memarea_chunk_t *	next_chunk
size_t	mem_size
char *	next_mem
union {
char   mem [1]
void *   _void_for_alignment
}	u

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Detailed Description

Implements part of a memarea. New memory is carved off from chunk->mem in increasing order until a request is too big, at which point a new chunk is allocated.

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Field Documentation

struct memarea_chunk_t* memarea_chunk_t::next_chunk [read]

Next chunk in this area. Only kept around so we can free it.

Referenced by alloc_chunk(), chunk_free_unchecked(), memarea_alloc(), memarea_assert_ok(), memarea_clear(), memarea_clear_freelist(), memarea_drop_all(), memarea_get_stats(), and memarea_owns_ptr().

size_t memarea_chunk_t::mem_size

How much RAM is available in u.mem, total?

Referenced by alloc_chunk(), memarea_alloc(), memarea_assert_ok(), and memarea_get_stats().

char* memarea_chunk_t::next_mem

Next position in u.mem to allocate data at. If it's greater than or equal to mem+mem_size, this chunk is full.

Referenced by alloc_chunk(), chunk_free_unchecked(), memarea_alloc(), memarea_assert_ok(), memarea_clear(), and memarea_get_stats().

char memarea_chunk_t::mem[1]

Memory space in this chunk.

Referenced by alloc_chunk(), chunk_free_unchecked(), memarea_alloc(), memarea_assert_ok(), memarea_clear(), memarea_get_stats(), and memarea_owns_ptr().

void* memarea_chunk_t::_void_for_alignment

Dummy; used to make sure mem is aligned.

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The documentation for this struct was generated from the following file:

• memarea.c