objcache.h

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#ifndef __xwos_mm_mempool_objcache_h__
#define __xwos_mm_mempool_objcache_h__
 
#include <xwos/standard.h>
#include <xwos/lib/xwbop.h>
#include <xwos/lib/bclst.h>
#include <xwos/osal/lock/seqlock.h>
#include <xwos/mm/common.h>
 
#include <xwos/mm/mempool/i_allocator.h>
#include <xwos/mm/mempool/page.h>
 
struct xwmm_mempool_objcache {
        struct xwmm_mempool_i_allocator i_a; 
        struct xwmm_mempool_page_allocator * pa; 
        const char * name; 
        xwsz_t objsize; 
        xwsz_t alignment; 
        xwsq_t pg_order; 
        xwsz_t pg_objnr; 
        xwptr_t backup; 
        ctor_f ctor; 
        dtor_f dtor; 
        atomic_xwsz_t capacity; 
        atomic_xwsz_t idleness; 
        atomic_xwsz_t reserved; 
        struct {
                struct xwlib_bclst_head full; 
                struct xwlib_bclst_head available; 
                struct xwlib_bclst_head idle; 
                struct xwos_sqlk lock; 
        } page_list; 
};
 
xwer_t xwmm_mempool_objcache_init(struct xwmm_mempool_objcache * oc,
                                  struct xwmm_mempool_page_allocator * pa,
                                  const char * name,
                                  xwsz_t objsize, xwsz_t alignment, xwsq_t pg_order,
                                  ctor_f ctor, dtor_f dtor);
 
xwer_t xwmm_mempool_objcache_alloc(struct xwmm_mempool_objcache * oc, void ** objbuf);
 
xwer_t xwmm_mempool_objcache_free(struct xwmm_mempool_objcache * oc, void * obj);
 
xwer_t xwmm_mempool_objcache_reserve(struct xwmm_mempool_objcache * oc,
                                     xwsz_t reserved);
 
xwer_t xwmm_mempool_objcache_get_capacity(struct xwmm_mempool_objcache * oc,
                                          xwsz_t * capacity);
 
#endif /* xwos/mm/mempool/objcache.h */