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#ifndef XC_SHM_H
#define XC_SHM_H
typedef struct _xc_shm_handlers_t xc_shm_handlers_t;
#ifndef XC_SHM_IMPL
struct _xc_shm_t {
const xc_shm_handlers_t *handlers;
};
#define XC_SHM_IMPL _xc_shm_t
#endif
typedef struct XC_SHM_IMPL xc_shm_t;
typedef size_t xc_shmsize_t;
#include "mem.h"
/* shm */
#define XC_SHM_CAN_READONLY(func) int func(xc_shm_t *shm)
#define XC_SHM_IS_READWRITE(func) int func(xc_shm_t *shm, const void *p)
#define XC_SHM_IS_READONLY(func) int func(xc_shm_t *shm, const void *p)
#define XC_SHM_TO_READWRITE(func) void *func(xc_shm_t *shm, void *p)
#define XC_SHM_TO_READONLY(func) void *func(xc_shm_t *shm, void *p)
#define XC_SHM_INIT(func) xc_shm_t *func(xc_shmsize_t size, int readonly_protection, const void *arg1, const void *arg2)
#define XC_SHM_DESTROY(func) void func(xc_shm_t *shm)
#define XC_SHM_MEMINIT(func) xc_mem_t *func(xc_shm_t *shm, xc_memsize_t size)
#define XC_SHM_MEMDESTROY(func) void func(xc_mem_t *mem)
#define XC_SHM_HANDLERS(name) { \
NULL \
, xc_##name##_can_readonly \
, xc_##name##_is_readwrite \
, xc_##name##_is_readonly \
, xc_##name##_to_readwrite \
, xc_##name##_to_readonly \
\
, xc_##name##_init \
, xc_##name##_destroy \
\
, xc_##name##_meminit \
, xc_##name##_memdestroy \
}
struct _xc_shm_handlers_t {
const xc_mem_handlers_t *memhandlers;
XC_SHM_CAN_READONLY((*can_readonly));
XC_SHM_IS_READWRITE((*is_readwrite));
XC_SHM_IS_READONLY((*is_readonly));
XC_SHM_TO_READWRITE((*to_readwrite));
XC_SHM_TO_READONLY((*to_readonly));
XC_SHM_INIT((*init));
XC_SHM_DESTROY((*destroy));
XC_SHM_MEMINIT((*meminit));
XC_SHM_MEMDESTROY((*memdestroy));
};
typedef struct _xc_shm_scheme_t xc_shm_scheme_t;
void xc_shm_init_modules();
int xc_shm_scheme_register(const char *name, const xc_shm_handlers_t *handlers);
const xc_shm_handlers_t *xc_shm_scheme_find(const char *name);
xc_shm_scheme_t *xc_shm_scheme_first();
xc_shm_scheme_t *xc_shm_scheme_next(xc_shm_scheme_t *scheme);
const char *xc_shm_scheme_name(xc_shm_scheme_t *scheme);
xc_shm_t *xc_shm_init(const char *type, xc_shmsize_t size, int readonly_protection, const void *arg1, const void *arg2);
void xc_shm_destroy(xc_shm_t *shm);
#endif
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