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Base

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include_module

Description:

Slot-based shared memory provider.

Status:

Extension

Module Identifier:

plainmem_module

Source File:

mod_plainmem.c

mod_plainmem is a memory provider which + provides for creation and access to a plain memory segment + in which the datasets are organized in "slots." Although + it can be used directly, normally mod_slotmem + is used as a front-end. +

If the memory needs to be shared between threads and + processes, a better provider would be + mod_sharedmem. +

Apache Module mod_sharedmem

Available Languages: en

+ + + +

Description:	Slot-based shared memory provider.
Status:	Extension
Module Identifier:	sharedmem_module
Source File:	mod_sharedmem.c

Summary

+ +

mod_sharedmem is a memory provider which + provides for creation and access to a shared memory segment + in which the datasets are organized in "slots." Although + it can be used directly, normally mod_slotmem + is used as a front-end. +

+ +

mod_sharedmem provides the following + API functions: +

+ +

apr_status_t slotmem_do(ap_slotmem_t *s, ap_slotmem_callback_fn_t *func, void *data, apr_pool_t *pool): call the callback on all worker slots
apr_status_t slotmem_create(ap_slotmem_t **new, const char *name, apr_size_t item_size, int item_num, apr_pool_t *pool): create a new slotmem with each item size is item_size.
apr_status_t slotmem_attach(ap_slotmem_t **new, const char *name, apr_size_t *item_size, int *item_num, apr_pool_t *pool): attach to an existing slotmem.
apr_status_t slotmem_mem(ap_slotmem_t *s, int item_id, void**mem): get the memory associated with this worker slot.
apr_status_t slotmem_lock(ap_slotmem_t *s): lock the memory segment
(apr_status_t slotmem_unlock(ap_slotmem_t *s): unlock the memory segment

+ +

Directives

This module provides no + directives.

+ +

Apache Module mod_slotmem

Available Languages: en

+ + + +

Description:	Slot-based memory implementation API.
Status:	Extension
Module Identifier:	slotmem_module
Source File:	mod_slotmem.c

Summary

+ +

mod_slotmem provides an interface to a + memory allocation implementation which is based on the + concept of datasets being in various "slots" within + a larger memory segment. As such, it is similar in + concept to a generic table or array. The real use of + the module is as a front-end to various providers + (such as mod_sharedmem) which deal + with the actual implementations. This allows modules + to use a single API for memory usage, to matter what + the underlying implementation is. +

+ +

mod_slotmem provides the following + API functions: +

+ +

ap_slotmem_storage_method *ap_slotmem_method(const char *provider): obtain the provider method desired
apr_status_t ap_slotmem_do(ap_slotmem_storage_method *sm, ap_slotmem_t *s, ap_slotmem_callback_fn_t *func, void *data, apr_pool_t *pool): call the callback on all worker slots
apr_status_t ap_slotmem_create(ap_slotmem_storage_method *sm, ap_slotmem_t **new, const char *name, apr_size_t item_size, int item_num, apr_pool_t *pool): create a new slotmem with each item size is item_size.
apr_status_t ap_slotmem_attach(ap_slotmem_storage_method *sm, ap_slotmem_t **new, const char *name, apr_size_t *item_size, int *item_num, apr_pool_t *pool): attach to an existing slotmem.
apr_status_t ap_slotmem_mem(ap_slotmem_storage_method *sm, ap_slotmem_t *s, int item_id, void**mem): get the memory associated with this worker slot.
apr_status_t ap_slotmem_lock(ap_slotmem_storage_method *sm, ap_slotmem_t *s): lock the memory segment
(apr_status_t ap_slotmem_unlock(ap_slotmem_storage_method *sm, ap_slotmem_t *s): unlock the memory segment

+ +

Directives

This module provides no + directives.

+ +

Apache Module mod_plainmem

Summary

Directives

Apache Module mod_sharedmem

Summary

Directives

Apache Module mod_slotmem

Summary

Directives