Apache Portable Runtime
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Typedefs | |
typedef struct apr_rmm_t | apr_rmm_t |
typedef apr_size_t | apr_rmm_off_t |
Functions | |
apr_status_t | apr_rmm_init (apr_rmm_t **rmm, apr_anylock_t *lock, void *membuf, apr_size_t memsize, apr_pool_t *cont) |
apr_status_t | apr_rmm_destroy (apr_rmm_t *rmm) |
apr_status_t | apr_rmm_attach (apr_rmm_t **rmm, apr_anylock_t *lock, void *membuf, apr_pool_t *cont) |
apr_status_t | apr_rmm_detach (apr_rmm_t *rmm) |
apr_rmm_off_t | apr_rmm_malloc (apr_rmm_t *rmm, apr_size_t reqsize) |
apr_rmm_off_t | apr_rmm_realloc (apr_rmm_t *rmm, void *entity, apr_size_t reqsize) |
apr_rmm_off_t | apr_rmm_calloc (apr_rmm_t *rmm, apr_size_t reqsize) |
apr_status_t | apr_rmm_free (apr_rmm_t *rmm, apr_rmm_off_t entity) |
void * | apr_rmm_addr_get (apr_rmm_t *rmm, apr_rmm_off_t entity) |
apr_rmm_off_t | apr_rmm_offset_get (apr_rmm_t *rmm, void *entity) |
apr_size_t | apr_rmm_overhead_get (int n) |
typedef apr_size_t apr_rmm_off_t |
Fundamental allocation unit, within a specific apr_rmm_t
void* apr_rmm_addr_get | ( | apr_rmm_t * | rmm, |
apr_rmm_off_t | entity | ||
) |
Retrieve the physical address of a relocatable allocation of memory
rmm | The relocatable memory block |
entity | The memory allocation to free |
apr_status_t apr_rmm_attach | ( | apr_rmm_t ** | rmm, |
apr_anylock_t * | lock, | ||
void * | membuf, | ||
apr_pool_t * | cont | ||
) |
Attach to a relocatable memory block already managed by the apr_rmm API.
rmm | The relocatable memory block |
lock | An apr_anylock_t of the appropriate type of lock |
membuf | The block of relocatable memory already under management |
cont | The pool to use for local storage and management |
apr_rmm_off_t apr_rmm_calloc | ( | apr_rmm_t * | rmm, |
apr_size_t | reqsize | ||
) |
Allocate memory from the block of relocatable memory and initialize it to zero.
rmm | The relocatable memory block |
reqsize | How much memory to allocate |
apr_status_t apr_rmm_destroy | ( | apr_rmm_t * | rmm | ) |
Destroy a managed memory block.
rmm | The relocatable memory block to destroy |
apr_status_t apr_rmm_detach | ( | apr_rmm_t * | rmm | ) |
Detach from the managed block of memory.
rmm | The relocatable memory block to detach from |
apr_status_t apr_rmm_free | ( | apr_rmm_t * | rmm, |
apr_rmm_off_t | entity | ||
) |
Free allocation returned by apr_rmm_malloc or apr_rmm_calloc.
rmm | The relocatable memory block |
entity | The memory allocation to free |
apr_status_t apr_rmm_init | ( | apr_rmm_t ** | rmm, |
apr_anylock_t * | lock, | ||
void * | membuf, | ||
apr_size_t | memsize, | ||
apr_pool_t * | cont | ||
) |
Initialize a relocatable memory block to be managed by the apr_rmm API.
rmm | The relocatable memory block |
lock | An apr_anylock_t of the appropriate type of lock, or NULL if no locking is required. |
membuf | The block of relocatable memory to be managed |
memsize | The size of relocatable memory block to be managed |
cont | The pool to use for local storage and management |
membuf | and |
memsize | must be aligned (for instance using APR_ALIGN_DEFAULT). |
apr_rmm_off_t apr_rmm_malloc | ( | apr_rmm_t * | rmm, |
apr_size_t | reqsize | ||
) |
Allocate memory from the block of relocatable memory.
rmm | The relocatable memory block |
reqsize | How much memory to allocate |
apr_rmm_off_t apr_rmm_offset_get | ( | apr_rmm_t * | rmm, |
void * | entity | ||
) |
Compute the offset of a relocatable allocation of memory
rmm | The relocatable memory block |
entity | The physical address to convert to an offset |
apr_size_t apr_rmm_overhead_get | ( | int | n | ) |
Compute the required overallocation of memory needed to fit n allocs
n | The number of alloc/calloc regions desired |
apr_rmm_off_t apr_rmm_realloc | ( | apr_rmm_t * | rmm, |
void * | entity, | ||
apr_size_t | reqsize | ||
) |
Realloc memory from the block of relocatable memory.
rmm | The relocatable memory block |
entity | The memory allocation to realloc |
reqsize | The new size |