151 lines
3.2 KiB
C
151 lines
3.2 KiB
C
#include <errno.h>
|
|
#include <rtti.h>
|
|
#include <stdarg.h>
|
|
#include <stdatomic.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "mylock.h"
|
|
#include "resobj.h"
|
|
#include "utils.h"
|
|
#include "xstring.h"
|
|
|
|
typedef struct {
|
|
atomic_ulong refcount;
|
|
} resobj_private_t;
|
|
|
|
static size_t resobj_datasize(va_list ap)
|
|
{
|
|
size_t sz = sizeof(xce_resource_t);
|
|
|
|
return sz;
|
|
}
|
|
|
|
static int resobj_init(meta_obj_t* obj, va_list ap)
|
|
{
|
|
xce_resource_t* dst = RTTI_OBJ_TO_DATA(xce_resource_t, obj);
|
|
resobj_private_t* priv = (resobj_private_t*)RTTI_OBJ_TO_PRIV(obj);
|
|
xce_resource_t* src = va_arg(ap, xce_resource_t*);
|
|
|
|
if (src == NULL) {
|
|
return -EINVAL;
|
|
}
|
|
|
|
memcpy(dst, src, sizeof(*dst));
|
|
|
|
dst->name = makeString(src->name);
|
|
dst->desc = makeString(src->desc);
|
|
|
|
#if 0
|
|
if (src->distributions != NULL) {
|
|
MOVE_PTR(dst->distributions, src->distributions);
|
|
}
|
|
#else
|
|
/* FIXME: */
|
|
dst->distributions = NULL;
|
|
#endif
|
|
|
|
#if 0
|
|
MOVE_PTR(dst->hbased_defined, src->hbased_defined);
|
|
#else
|
|
/* FIXME: */
|
|
dst->hbased_defined = NULL;
|
|
#endif
|
|
|
|
priv->refcount = 1;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void resobj_destroy(meta_obj_t* obj)
|
|
{
|
|
xce_resource_t* r = RTTI_OBJ_TO_DATA(xce_resource_t, obj);
|
|
resobj_private_t* priv = (resobj_private_t*)RTTI_OBJ_TO_PRIV(obj);
|
|
|
|
dereference(r->name);
|
|
dereference(r->desc);
|
|
|
|
memset(priv, 0x0, sizeof(*priv));
|
|
|
|
return;
|
|
}
|
|
|
|
static int resobj_reference(meta_obj_t* obj)
|
|
{
|
|
resobj_private_t* priv = (resobj_private_t*)RTTI_OBJ_TO_PRIV(obj);
|
|
|
|
atomic_fetch_add(&(priv->refcount), 1);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void resobj_dereference(meta_obj_t* obj)
|
|
{
|
|
resobj_private_t* priv = (resobj_private_t*)RTTI_OBJ_TO_PRIV(obj);
|
|
xce_resource_t* w = RTTI_OBJ_TO_DATA(xce_resource_t, obj);
|
|
uint64_t count = 0;
|
|
|
|
count = atomic_fetch_sub(&(priv->refcount), 1);
|
|
|
|
if (count == 1) {
|
|
destroy_(w, (obj_destroy_fn_t)resobj_destroy);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static typeinfo_t resobj_type
|
|
= { .name = "xce resobj",
|
|
.privateSize = sizeof(resobj_private_t),
|
|
.dataSize = (datasize_fn_t)resobj_datasize,
|
|
.init = (obj_init_fn_t)resobj_init,
|
|
.destroy = NULL,
|
|
.interfaces
|
|
= { .reference = &(intf_reference_t) {
|
|
.reference = (reference_fn_t)resobj_reference,
|
|
.dereference = (dereference_fn_t)resobj_dereference } } };
|
|
|
|
static xce_resource_t* makeResource_(var resmgr, xce_resource_t* r)
|
|
{
|
|
xce_resource_t* resobj = NULL;
|
|
int rc;
|
|
|
|
rc = key_find(resmgr, (void*)r->name, (void**)&resobj);
|
|
|
|
if ((rc < 0) && (rc != -ENOENT)) {
|
|
errno = -rc;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
if (rc > 0) {
|
|
errno = EEXIST;
|
|
return NULL;
|
|
}
|
|
|
|
resobj = makeInstance(&resobj_type, r);
|
|
if (resobj != NULL) {
|
|
rc = key_add(resmgr, (void*)resobj->name, (void*)resobj);
|
|
|
|
if (rc < 0) {
|
|
destroy(resobj);
|
|
|
|
errno = -rc;
|
|
return NULL;
|
|
}
|
|
|
|
resobj->idx = rc;
|
|
}
|
|
return resobj;
|
|
}
|
|
|
|
xce_resource_t* makeResource(var resmgr, xce_resource_t* r)
|
|
{
|
|
xce_resource_t* r1 = NULL;
|
|
|
|
lock(resmgr, RTTI_LOCK_WRITE);
|
|
r1 = makeResource_(resmgr, r);
|
|
unlock(resmgr);
|
|
|
|
return r1;
|
|
}
|