server-skynet-source-3rd-je.../include/jemalloc/internal/pai.h

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#ifndef JEMALLOC_INTERNAL_PAI_H
#define JEMALLOC_INTERNAL_PAI_H
/* An interface for page allocation. */
typedef struct pai_s pai_t;
struct pai_s {
/* Returns NULL on failure. */
edata_t *(*alloc)(tsdn_t *tsdn, pai_t *self, size_t size,
size_t alignment, bool zero);
bool (*expand)(tsdn_t *tsdn, pai_t *self, edata_t *edata,
size_t old_size, size_t new_size, bool zero);
bool (*shrink)(tsdn_t *tsdn, pai_t *self, edata_t *edata,
size_t old_size, size_t new_size);
void (*dalloc)(tsdn_t *tsdn, pai_t *self, edata_t *edata);
};
/*
* These are just simple convenience functions to avoid having to reference the
* same pai_t twice on every invocation.
*/
static inline edata_t *
pai_alloc(tsdn_t *tsdn, pai_t *self, size_t size, size_t alignment, bool zero) {
return self->alloc(tsdn, self, size, alignment, zero);
}
static inline bool
pai_expand(tsdn_t *tsdn, pai_t *self, edata_t *edata, size_t old_size,
size_t new_size, bool zero) {
return self->expand(tsdn, self, edata, old_size, new_size, zero);
}
static inline bool
pai_shrink(tsdn_t *tsdn, pai_t *self, edata_t *edata, size_t old_size,
size_t new_size) {
return self->shrink(tsdn, self, edata, old_size, new_size);
}
static inline void
pai_dalloc(tsdn_t *tsdn, pai_t *self, edata_t *edata) {
self->dalloc(tsdn, self, edata);
}
#endif /* JEMALLOC_INTERNAL_PAI_H */