struct set*
curr_set(void);
struct ref*
-prev_ref(void);
+curr_ref(void);
struct model*
curr_model(void);
void
#define PAGES_PER_CHUNK 16
-#define CURR_CDAT (*cdat_stackp)
//"type free" chunk stacking
struct chunk_stack
{ void* chunks[MAX_CHUNKS];
//type safety handled by macro expansion (do not call these directly from code, make dependent macros for access to these)
#define CHUNKS_LEN(STACK) ((STACK).csp - (STACK).chunks)
#define CURRENT_CHUNK(STACK) ((STACK).chunks[CHUNKS_LEN(STACK) - 1])
+#define CHUNKS_FULL(STACK) ( (STACK).csp >= \
+ (STACK).chunks + MAX_CHUNKS * (STACK).chunk_size)
#define CURRENT_DSP(STACK,TYPE) ((TYPE*) ((STACK).dsp[CHUNKS_LEN(STACK) - 1]))
#define DATA_FULL(STACK,TYPE) ((void*) CURRENT_DSP(STACK,TYPE) >= \
(CURRENT_CHUNK(STACK) + (STACK).chunk_size))
#define CURRENT_DATP(STACK,TYPE) (((TYPE**)(STACK).dsp)[CHUNKS_LEN(STACK) - 1])
#define PREVIOUS_DATP(STACK,TYPE) (((TYPE**)(STACK).dsp)[CHUNKS_LEN(STACK) - 2])
#define ALLOC_DAT(STACK,TYPE) (++CURRENT_DATP(STACK,TYPE))
-#define INIT_STACK(STACK,TYPE) \
- do { \
- (STACK).chunk_size = PAGES_PER_CHUNK; \
+#define INIT_STACK(STACK,TYPE) \
+ { int i; \
+ (STACK).chunk_size = PAGES_PER_CHUNK * pagesize; \
(STACK).max_dats = (STACK).chunk_size / sizeof (TYPE); \
- CSP_PUSH(STACK); \
- } while (0)
+ CSP_PUSH(STACK); \
+ for( i = 0; i < MAX_CHUNKS; i++){ \
+ (STACK).dsp[i] += pagesize; \
+ } \
+ }
//Stack-specific macros (called directly from code (safety enforcement)
+#define INIT_ODAT() (INIT_STACK(ocs, struct odat))
#define CURRENT_ODAT() (CURRENT_DATP(ocs,struct odat))
#define ODAT_FULL() (DATA_FULL(ocs,struct odat))
#define ODAT_ALLOC() (ALLOC_DAT(ocs,struct odat))
+#define OCS_FULL() (CHUNKS_FULL(ocs))
+#define INIT_VDAT() (INIT_STACK(vcs, struct vdat))
#define CURRENT_VDAT() (CURRENT_DATP(vcs,struct vdat))
#define VDAT_FULL() (DATA_FULL(vcs,struct vdat))
#define VDAT_ALLOC() (ALLOC_DAT(vcs,struct vdat))
+#define VCS_FULL() (CHUNKS_FULL(vcs))
+#define INIT_CDAT() (INIT_STACK(ccs, struct cdat))
#define CURRENT_CDAT() (CURRENT_DATP(ccs,struct cdat))
#define CDAT_FULL() (DATA_FULL(ccs, struct cdat))
#define CDAT_ALLOC() (ALLOC_DAT(ccs, struct cdat))
+#define CCS_FULL() (CHUNKS_FULL(ccs))
+#define INIT_LINK() (INIT_STACK(lcs, struct link))
#define CURRENT_LINK() (CURRENT_DATP(lcs,struct link))
#define LDAT_FULL() (DATA_FULL(lcs, struct link))
#define LDAT_ALLOC() (ALLOC_DAT(lcs, struct link))
+#define LCS_FULL() (CHUNKS_FULL(lcs))
+#define INIT_POST() (INIT_STACK(rcs, struct ref))
#define CURRENT_POST() (CURRENT_DATP(pcs,struct ref))
#define POST_FULL() (DATA_FULL(pcs,struct ref))
#define POST_ALLOC() (ALLOC_DAT(pcs,struct ref))
+#define PCS_FULL() (CHUNKS_FULL(pcs))
+#define INIT_REF() (INIT_STACK(rcs, struct ref))
#define CURRENT_REF() (CURRENT_DATP(rcs,struct ref))
#define PREVIOUS_REF() (PREVIOUS_DATP(rcs, struct ref))
#define REF_FULL() (DATA_FULL(rcs,struct ref))
#define REF_ALLOC() (ALLOC_DAT(rcs,struct ref))
+#define RCS_FULL() (CHUNKS_FULL(rcs))
//Metadata
#define CURRENT_SET() (CURRENT_CDAT()->set_list[CURRENT_CDAT()->num_sets])
#define CURRENT_MODEL() (CURRENT_VDAT()->model_list[CURRENT_VDAT()->num_models])
long pagesize;
-int pages_per_chunk = 10;
-
int num_cdats = 0;
-int curr_max_cdats = PTRS_IN_PAGE;
-struct cdat* cdat_buf[PTRS_IN_PAGE];
-struct cdat* cdat_stack[PTRS_IN_PAGE];
+struct cdat* cdat_stack[MAX_CLASSES];
struct cdat** cdat_stackp;
int num_odats = 0;
int num_refs = 0;
uint64_t ss_ref_id = 0x00FFFFFF; /* system space for ref_ids */
-int num_posts = -1;
-int curr_max_posts = PTRS_IN_PAGE;
-struct ref* post_buf[PTRS_IN_PAGE];
-
+int num_posts = 0;
-int num_links = -1;
-int curr_max_links = PTRS_IN_PAGE;
-struct link* link_buf[PTRS_IN_PAGE];
+int num_links = 0;
/* The initalization function of the IR. */
ir_init()
{
- /* Init root cdat and stack */
char root[4] = "root";
- if( (cdat_buf[num_cdats] = (struct cdat*) malloc(sizeof(struct cdat))) == NULL)
- {
- perror("malloc root class failed\n");
- return -1;
- }
- cdat_buf[num_cdats]->idx = num_cdats;
- memmove(cdat_buf[num_cdats]->name, root, 4);
+ pagesize = sysconf(_SC_PAGESIZE);
- cdat_stackp = cdat_stack;
- *cdat_stackp++ = cdat_buf[num_cdats++];
+ INIT_CDAT();
+ *cdat_stackp = CURRENT_CDAT();
+ memmove((*cdat_stackp)->name, root, 32);
+
+ INIT_ODAT();
+ INIT_VDAT();
+ INIT_LINK();
+ INIT_REF();
+ INIT_POST();
- pagesize = sysconf(_SC_PAGESIZE);
return 0;
{
int i;
- for(i = 0; i <= num_odats ; i++)
+ for(i = 0; i < CHUNKS_LEN(ccs) ; i++)
{
+ free(ccs.chunks[i]);
}
- for(i = 0; i <= num_cdats; i++)
+ for(i = 0; i < CHUNKS_LEN(ocs); i++)
{
+ free(ocs.chunks[i]);
}
- for(i = 0; i <= num_vdats; i++)
+ for(i = 0; i < CHUNKS_LEN(vcs) ; i++)
{
+ free(vcs.chunks[i]);
}
- for(i = 0; i <= num_refs; i++)
+ for(i = 0; i < CHUNKS_LEN(rcs); i++)
{
+ free(rcs.chunks[i]);
}
- for(i = 0; i<= num_links; i++)
+ for(i = 0; i < CHUNKS_LEN(lcs); i++)
{
+ free(lcs.chunks[i]);
}
- for(i = 0; i<= num_posts; i++)
+ for(i = 0; i < CHUNKS_LEN(pcs); i++)
{
+ free(pcs.chunks[i]);
}
}
-//TODO: FREE MEMORY!
struct cdat*
alloc_cdat()
{
num_cdats++;
- if(curr_max_cdats <= num_cdats)
- { if( (realloc((void*) cdat_buf, PTRS_IN_PAGE * 4)) == NULL)
- perror("realloc cdat_buf failed");
- curr_max_cdats += PTRS_IN_PAGE;
- if( (realloc( (void*) cdat_stack, PTRS_IN_PAGE * 4)) == NULL) //increase cdat_stack also
- perror("realloc cdat_stack failed");
+ if(CDAT_FULL())
+ { if(CCS_FULL())
+ { fprintf(stderr, "You have allocated to many (%d) cdats ", num_cdats);
+ exit(EXIT_FAILURE);
+ }
+ else
+ CSP_PUSH(ccs);
}
- if( (CURR_CDAT = (struct cdat*) malloc(sizeof (struct cdat)) ) == NULL )
- perror("malloc cdat failed");
-
- return CURR_CDAT;
+ else
+ CDAT_ALLOC();
+ return CURRENT_CDAT();
}
//these should probably be inline
struct odat*
alloc_odat
()
-{ if(ODAT_FULL())
- CSP_PUSH(ocs);
+{
+ num_odats++;
+ if(ODAT_FULL())
+ { if(!OCS_FULL())
+ { fprintf(stderr, "You have allocated to many (%d) odats ", num_odats);
+ exit(EXIT_FAILURE);
+ }
+ else
+ CSP_PUSH(ocs);
+ }
else
ODAT_ALLOC();
+
return CURRENT_ODAT();
}
()
{ num_vdats++;
if(VDAT_FULL())
- CSP_PUSH(vcs);
+ { if(!VCS_FULL())
+ { fprintf(stderr, "You have allocated to many (%d) vdats ", num_vdats);
+ exit(EXIT_FAILURE);
+ }
+ else
+ CSP_PUSH(vcs);
+ }
else
VDAT_ALLOC();
}
()
{ num_links++;
if(LDAT_FULL())
- CSP_PUSH(lcs);
+ { if(!LCS_FULL())
+ { fprintf(stderr, "You have allocated to many (%d) links ", num_links);
+ exit(EXIT_FAILURE);
+ }
+ else
+ CSP_PUSH(lcs);
+ }
else
LDAT_ALLOC();
+
return CURRENT_LINK();
+
}
struct ref*
()
{ num_refs++;
if(REF_FULL())
- CSP_PUSH(rcs);
+ { if(!RCS_FULL())
+ { fprintf(stderr, "You have allocated to many (%d) refs ", num_refs);
+ exit(EXIT_FAILURE);
+ }
+ else
+ CSP_PUSH(rcs);
+ }
else
REF_ALLOC();
+
if(num_refs % 16 == 0)
{ CURRENT_POST() = CURRENT_REF();
inc_posts();
inc_posts()
{ num_posts++;
if(POST_FULL())
- CSP_PUSH(pcs);
+ { if(!PCS_FULL())
+ { fprintf(stderr, "You have allocated to many (%d) refs ", num_posts);
+ exit(EXIT_FAILURE);
+ }
+ else
+ CSP_PUSH(pcs);
+ }
else
POST_ALLOC();
+
}
struct cdat*
curr_cdat
()
{
- return CURR_CDAT;
+ return (*cdat_stackp);
}
struct odat*
return &CURRENT_SET();
}
struct ref*
-prev_ref
+curr_ref
()
{
- return PREVIOUS_REF();
+ return CURRENT_REF();
}
struct model*
curr_model