2010-04-03 05:58:14 +01:00
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/************************************************************************
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** **
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** The YapTab/YapOr/OPTYap systems **
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** **
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** YapTab extends the Yap Prolog engine to support sequential tabling **
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** YapOr extends the Yap Prolog engine to support or-parallelism **
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** OPTYap extends the Yap Prolog engine to support or-parallel tabling **
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** **
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** **
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** Yap Prolog was developed at University of Porto, Portugal **
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** **
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************************************************************************/
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2010-04-18 04:59:11 +01:00
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/************************************************************************
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** Memory management **
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************************************************************************/
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2005-07-11 20:17:32 +01:00
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2010-04-19 02:34:08 +01:00
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extern int Yap_page_size;
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2011-04-28 09:48:42 +01:00
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#ifdef USE_PAGES_MALLOC
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2005-07-11 20:17:32 +01:00
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#include <sys/shm.h>
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2011-04-28 09:48:42 +01:00
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#endif /* USE_PAGES_MALLOC */
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2011-04-14 19:19:13 +01:00
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2005-08-04 16:45:56 +01:00
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#define SHMMAX 0x2000000 /* 32 Mbytes: works fine with linux */
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2007-04-26 15:13:21 +01:00
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/* #define SHMMAX 0x400000 - 4 Mbytes: shmget limit for Mac (?) */
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/* #define SHMMAX 0x800000 - 8 Mbytes: shmget limit for Solaris (?) */
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2005-07-11 20:17:32 +01:00
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2001-04-09 20:54:03 +01:00
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#if SIZEOF_INT_P == 4
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#define ALIGN 3
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#define ALIGNMASK 0xfffffffc
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#elif SIZEOF_INT_P == 8
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#define ALIGN 7
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#define ALIGNMASK 0xfffffff8
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#else
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#define ALIGN OOOOPPS!!! Unknown Pointer Sizeof
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#define ALIGNMASK OOOOPPS!!! Unknown Pointer Sizeof
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#endif /* SIZEOF_INT_P */
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#define ADJUST_SIZE(SIZE) ((SIZE + ALIGN) & ALIGNMASK)
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2003-11-05 16:12:25 +00:00
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#define ADJUST_SIZE_TO_PAGE(SIZE) ((SIZE) - (SIZE) % Yap_page_size + Yap_page_size)
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2001-04-09 20:54:03 +01:00
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#define STRUCT_SIZE(STR_TYPE) ADJUST_SIZE(sizeof(STR_TYPE))
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2007-04-26 15:13:21 +01:00
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#define PAGE_HEADER(STR) (pg_hd_ptr)((unsigned long int)STR - (unsigned long int)STR % Yap_page_size)
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2001-04-09 20:54:03 +01:00
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#define STRUCT_NEXT(STR) ((STR)->next)
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#define UPDATE_STATS(STAT, VALUE) STAT += VALUE
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2010-04-19 02:34:08 +01:00
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2011-04-28 09:48:42 +01:00
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#ifdef USE_SYSTEM_MALLOC
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2010-04-23 04:22:10 +01:00
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/*************************************************************************************************
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2011-04-28 09:48:42 +01:00
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** USE_SYSTEM_MALLOC **
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2010-04-23 04:22:10 +01:00
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*************************************************************************************************/
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#define ALLOC_BLOCK(STR, SIZE, STR_TYPE) \
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if ((STR = (STR_TYPE *) malloc(SIZE)) == NULL) \
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2010-04-19 02:34:08 +01:00
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Yap_Error(FATAL_ERROR, TermNil, "ALLOC_BLOCK: malloc error")
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2010-04-23 04:22:10 +01:00
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#define FREE_BLOCK(STR) \
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2010-04-19 02:34:08 +01:00
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free(STR)
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#else
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2010-04-23 04:22:10 +01:00
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/*************************************************************************************************
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2011-04-28 09:48:42 +01:00
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** ! USE_SYSTEM_MALLOC **
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2010-04-23 04:22:10 +01:00
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*************************************************************************************************/
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#define ALLOC_BLOCK(STR, SIZE, STR_TYPE) \
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{ char *block_ptr; \
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if ((block_ptr = Yap_AllocCodeSpace(SIZE + sizeof(CELL))) != NULL) \
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*block_ptr = 'y'; \
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else if ((block_ptr = (char *) malloc(SIZE + sizeof(CELL))) != NULL) \
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*block_ptr = 'm'; \
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else \
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Yap_Error(FATAL_ERROR, TermNil, "ALLOC_BLOCK: malloc error"); \
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block_ptr += sizeof(CELL); \
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STR = (STR_TYPE *) block_ptr; \
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2010-04-19 02:34:08 +01:00
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}
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2010-04-23 04:22:10 +01:00
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#define FREE_BLOCK(STR) \
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{ char *block_ptr = (char *)(STR) - sizeof(CELL); \
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if (block_ptr[0] == 'y') \
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Yap_FreeCodeSpace(block_ptr); \
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else \
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free(block_ptr); \
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2010-04-19 02:34:08 +01:00
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}
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2010-04-23 04:22:10 +01:00
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#endif /*****************************************************************************************/
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2010-04-19 02:34:08 +01:00
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2011-04-28 09:48:42 +01:00
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#ifdef USE_PAGES_MALLOC
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2010-04-23 04:22:10 +01:00
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/*************************************************************************************************
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2011-04-28 09:48:42 +01:00
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** USE_PAGES_MALLOC **
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2010-04-23 04:22:10 +01:00
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*************************************************************************************************/
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2011-04-28 09:48:42 +01:00
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#define FREE_PAGE(PG_HD) \
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2011-05-10 11:47:18 +01:00
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LOCK(Pg_lock(GLOBAL_pages_void)); \
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UPDATE_STATS(Pg_str_in_use(GLOBAL_pages_void), -1); \
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PgHd_next(PG_HD) = Pg_free_pg(GLOBAL_pages_void); \
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Pg_free_pg(GLOBAL_pages_void) = PG_HD; \
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UNLOCK(Pg_lock(GLOBAL_pages_void))
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2011-04-28 09:48:42 +01:00
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2010-04-23 04:22:10 +01:00
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#define FREE_STRUCT(STR, STR_PAGES, STR_TYPE) \
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2011-04-28 09:48:42 +01:00
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{ pg_hd_ptr pg_hd; \
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pg_hd = PAGE_HEADER(STR); \
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LOCK(Pg_lock(STR_PAGES)); \
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UPDATE_STATS(Pg_str_in_use(STR_PAGES), -1); \
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if (--PgHd_str_in_use(pg_hd) == 0) { \
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UPDATE_STATS(Pg_pg_alloc(STR_PAGES), -1); \
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if (PgHd_previous(pg_hd)) { \
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if ((PgHd_next(PgHd_previous(pg_hd)) = PgHd_next(pg_hd)) != NULL) \
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PgHd_previous(PgHd_next(pg_hd)) = PgHd_previous(pg_hd); \
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} else { \
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if ((Pg_free_pg(STR_PAGES) = PgHd_next(pg_hd)) != NULL) \
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PgHd_previous(PgHd_next(pg_hd)) = NULL; \
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} \
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UNLOCK(Pg_lock(STR_PAGES)); \
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FREE_PAGE(pg_hd); \
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} else { \
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if ((STRUCT_NEXT(STR) = (STR_TYPE *) PgHd_free_str(pg_hd)) == NULL) { \
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PgHd_previous(pg_hd) = NULL; \
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if ((PgHd_next(pg_hd) = Pg_free_pg(STR_PAGES)) != NULL) \
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PgHd_previous(PgHd_next(pg_hd)) = pg_hd; \
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Pg_free_pg(STR_PAGES) = pg_hd; \
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} \
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PgHd_free_str(pg_hd) = (void *) STR; \
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UNLOCK(Pg_lock(STR_PAGES)); \
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} \
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}
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2005-08-04 16:45:56 +01:00
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#ifdef LIMIT_TABLING
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2010-04-23 04:22:10 +01:00
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/*************************************************************************************************
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2011-04-28 09:48:42 +01:00
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** USE_PAGES_MALLOC && LIMIT_TABLING **
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2010-04-23 04:22:10 +01:00
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*************************************************************************************************/
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#define INIT_PAGE(PG_HD, STR_PAGES, STR_TYPE) \
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{ int i; \
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STR_TYPE *aux_str; \
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PgHd_str_in_use(PG_HD) = 0; \
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PgHd_previous(PG_HD) = NULL; \
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aux_str = (STR_TYPE *) (PG_HD + 1); \
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PgHd_free_str(PG_HD) = (void *) aux_str; \
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for (i = 1; i < Pg_str_per_pg(STR_PAGES); i++) { \
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STRUCT_NEXT(aux_str) = aux_str + 1; \
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aux_str++; \
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} \
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STRUCT_NEXT(aux_str) = NULL; \
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LOCK(Pg_lock(STR_PAGES)); \
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if ((PgHd_next(PG_HD) = Pg_free_pg(STR_PAGES)) != NULL) \
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PgHd_previous(PgHd_next(PG_HD)) = PG_HD; \
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Pg_free_pg(STR_PAGES) = PG_HD; \
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UPDATE_STATS(Pg_pg_alloc(STR_PAGES), 1); \
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2005-08-10 22:36:34 +01:00
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}
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2010-04-23 04:22:10 +01:00
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#define ALLOC_PAGE(PG_HD) \
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{ int i, shmid; \
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pg_hd_ptr aux_pg_hd; \
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if ((shmid = shmget(IPC_PRIVATE, SHMMAX, SHM_R|SHM_W)) == -1) \
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Yap_Error(FATAL_ERROR, TermNil, "shmget error (ALLOC_PAGE)"); \
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if ((PG_HD = (pg_hd_ptr) shmat(shmid, NULL, 0)) == (void *) -1) \
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Yap_Error(FATAL_ERROR, TermNil, "shmat error (ALLOC_PAGE)"); \
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if (shmctl(shmid, IPC_RMID, 0) != 0) \
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Yap_Error(FATAL_ERROR, TermNil, "shmctl error (ALLOC_PAGE)"); \
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aux_pg_hd = (pg_hd_ptr)(((void *)PG_HD) + Yap_page_size); \
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2011-05-10 11:47:18 +01:00
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Pg_free_pg(GLOBAL_pages_void) = aux_pg_hd; \
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2010-04-23 04:22:10 +01:00
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for (i = 2; i < SHMMAX / Yap_page_size; i++) { \
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PgHd_next(aux_pg_hd) = (pg_hd_ptr)(((void *)aux_pg_hd) + Yap_page_size); \
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aux_pg_hd = PgHd_next(aux_pg_hd); \
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} \
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PgHd_next(aux_pg_hd) = NULL; \
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2011-05-10 11:47:18 +01:00
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UPDATE_STATS(Pg_pg_alloc(GLOBAL_pages_void), SHMMAX / Yap_page_size); \
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2005-08-10 22:36:34 +01:00
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}
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2010-04-23 04:22:10 +01:00
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#define RECOVER_UNUSED_SPACE(STR_PAGES) \
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2011-05-10 12:20:22 +01:00
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{ sg_fr_ptr sg_fr = GLOBAL_check_sg_fr; \
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2010-04-23 04:22:10 +01:00
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do { \
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if (sg_fr) \
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sg_fr = SgFr_next(sg_fr); \
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else \
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2011-05-10 11:47:18 +01:00
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sg_fr = GLOBAL_first_sg_fr; \
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2010-04-23 04:22:10 +01:00
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if (sg_fr == NULL) \
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Yap_Error(FATAL_ERROR, TermNil, "no space left (RECOVER_UNUSED_SPACE)"); \
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/* see function 'InteractSIGINT' in file 'sysbits.c' */ \
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/* Yap_Error(PURE_ABORT, TermNil, ""); */ \
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/* restore_absmi_regs(&Yap_standard_regs); */ \
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2011-05-23 16:19:47 +01:00
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/* siglongjmp (LOCAL_RestartEnv, 1); */ \
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2010-04-23 04:22:10 +01:00
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if (SgFr_first_answer(sg_fr) && \
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SgFr_first_answer(sg_fr) != SgFr_answer_trie(sg_fr)) { \
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SgFr_state(sg_fr) = ready; \
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free_answer_hash_chain(SgFr_hash_chain(sg_fr)); \
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SgFr_hash_chain(sg_fr) = NULL; \
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SgFr_first_answer(sg_fr) = NULL; \
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SgFr_last_answer(sg_fr) = NULL; \
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free_answer_trie(TrNode_child(SgFr_answer_trie(sg_fr)), \
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TRAVERSE_MODE_NORMAL, TRAVERSE_POSITION_FIRST); \
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TrNode_child(SgFr_answer_trie(sg_fr)) = NULL; \
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} \
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2011-05-10 11:47:18 +01:00
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} while (Pg_free_pg(GLOBAL_pages_void) == Pg_free_pg(STR_PAGES)); \
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2011-05-10 12:20:22 +01:00
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GLOBAL_check_sg_fr = sg_fr; \
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2005-08-10 22:36:34 +01:00
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}
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2005-08-04 16:45:56 +01:00
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2010-04-23 04:22:10 +01:00
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#define ALLOC_STRUCT(STR, STR_PAGES, STR_TYPE) \
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{ pg_hd_ptr pg_hd; \
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LOCK(Pg_lock(STR_PAGES)); \
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pg_hd = Pg_free_pg(STR_PAGES); \
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while (pg_hd == NULL) { \
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UNLOCK(Pg_lock(STR_PAGES)); \
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2011-05-10 11:47:18 +01:00
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LOCK(Pg_lock(GLOBAL_pages_void)); \
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if (Pg_free_pg(GLOBAL_pages_void)) { \
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pg_hd = Pg_free_pg(GLOBAL_pages_void); \
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Pg_free_pg(GLOBAL_pages_void) = PgHd_next(pg_hd); \
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UPDATE_STATS(Pg_str_in_use(GLOBAL_pages_void), 1); \
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UNLOCK(Pg_lock(GLOBAL_pages_void)); \
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2010-04-23 04:22:10 +01:00
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INIT_PAGE(pg_hd, STR_PAGES, STR_TYPE); \
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2011-05-10 11:47:18 +01:00
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} else if ( GLOBAL_max_pages != Pg_pg_alloc(GLOBAL_pages_void)) { \
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2010-04-23 04:22:10 +01:00
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ALLOC_PAGE(pg_hd); \
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2011-05-10 11:47:18 +01:00
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UPDATE_STATS(Pg_str_in_use(GLOBAL_pages_void), 1); \
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UNLOCK(Pg_lock(GLOBAL_pages_void)); \
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2010-04-23 04:22:10 +01:00
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INIT_PAGE(pg_hd, STR_PAGES, STR_TYPE); \
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} else { \
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2011-05-10 11:47:18 +01:00
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UNLOCK(Pg_lock(GLOBAL_pages_void)); \
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2010-04-23 04:22:10 +01:00
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RECOVER_UNUSED_SPACE(STR_PAGES); \
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LOCK(Pg_lock(STR_PAGES)); \
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pg_hd = Pg_free_pg(STR_PAGES); \
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} \
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} \
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PgHd_str_in_use(pg_hd)++; \
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STR = (STR_TYPE *) PgHd_free_str(pg_hd); \
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if ((PgHd_free_str(pg_hd) = (void *) STRUCT_NEXT(STR)) == NULL) \
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if ((Pg_free_pg(STR_PAGES) = PgHd_next(pg_hd)) != NULL) \
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PgHd_previous(PgHd_next(pg_hd)) = NULL; \
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UPDATE_STATS(Pg_str_in_use(STR_PAGES), 1); \
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UNLOCK(Pg_lock(STR_PAGES)); \
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2005-08-10 22:36:34 +01:00
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}
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2010-04-23 04:22:10 +01:00
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#define ALLOC_NEXT_FREE_STRUCT(STR, STR_PAGES, STR_TYPE) \
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if ((STR = LOCAL_next_free_ans_node) == NULL) { \
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pg_hd_ptr pg_hd; \
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LOCK(Pg_lock(STR_PAGES)); \
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pg_hd = Pg_free_pg(STR_PAGES); \
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while (pg_hd == NULL) { \
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UNLOCK(Pg_lock(STR_PAGES)); \
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2011-05-10 11:47:18 +01:00
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LOCK(Pg_lock(GLOBAL_pages_void)); \
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if (Pg_free_pg(GLOBAL_pages_void)) { \
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pg_hd = Pg_free_pg(GLOBAL_pages_void); \
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Pg_free_pg(GLOBAL_pages_void) = PgHd_next(pg_hd); \
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UPDATE_STATS(Pg_str_in_use(GLOBAL_pages_void), 1); \
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|
|
UNLOCK(Pg_lock(GLOBAL_pages_void)); \
|
2010-04-23 04:22:10 +01:00
|
|
|
INIT_PAGE(pg_hd, STR_PAGES, STR_TYPE); \
|
2011-05-10 11:47:18 +01:00
|
|
|
} else if ( GLOBAL_max_pages != Pg_pg_alloc(GLOBAL_pages_void)) { \
|
2010-04-23 04:22:10 +01:00
|
|
|
ALLOC_PAGE(pg_hd); \
|
2011-05-10 11:47:18 +01:00
|
|
|
UPDATE_STATS(Pg_str_in_use(GLOBAL_pages_void), 1); \
|
|
|
|
|
UNLOCK(Pg_lock(GLOBAL_pages_void)); \
|
2010-04-23 04:22:10 +01:00
|
|
|
INIT_PAGE(pg_hd, STR_PAGES, STR_TYPE); \
|
|
|
|
|
} else { \
|
2011-05-10 11:47:18 +01:00
|
|
|
UNLOCK(Pg_lock(GLOBAL_pages_void)); \
|
2010-04-23 04:22:10 +01:00
|
|
|
RECOVER_UNUSED_SPACE(STR_PAGES); \
|
|
|
|
|
LOCK(Pg_lock(STR_PAGES)); \
|
|
|
|
|
pg_hd = Pg_free_pg(STR_PAGES); \
|
|
|
|
|
} \
|
|
|
|
|
} \
|
|
|
|
|
PgHd_str_in_use(pg_hd) = Pg_str_per_pg(STR_PAGES); \
|
|
|
|
|
STR = (STR_TYPE *) PgHd_free_str(pg_hd); \
|
|
|
|
|
PgHd_free_str(pg_hd) = NULL; \
|
|
|
|
|
Pg_free_pg(STR_PAGES) = PgHd_next(pg_hd); \
|
|
|
|
|
UPDATE_STATS(Pg_str_in_use(STR_PAGES), -PgHd_str_in_use(pg_hd)); \
|
|
|
|
|
UPDATE_STATS(Pg_str_in_use(STR_PAGES), Pg_str_per_pg(STR_PAGES)); \
|
|
|
|
|
UNLOCK(Pg_lock(STR_PAGES)); \
|
|
|
|
|
} \
|
2005-08-10 22:36:34 +01:00
|
|
|
LOCAL_next_free_ans_node = STRUCT_NEXT(STR)
|
|
|
|
|
#else
|
2010-04-23 04:22:10 +01:00
|
|
|
/*************************************************************************************************
|
2011-04-28 09:48:42 +01:00
|
|
|
** USE_PAGES_MALLOC && ! LIMIT_TABLING **
|
2010-04-23 04:22:10 +01:00
|
|
|
*************************************************************************************************/
|
|
|
|
|
#define ALLOC_PAGE(PG_HD) \
|
2011-06-02 17:01:00 +01:00
|
|
|
LOCK(Pg_lock(GLOBAL_pages_void)); \
|
2011-05-10 11:47:18 +01:00
|
|
|
if (Pg_free_pg(GLOBAL_pages_void) == NULL) { \
|
2010-04-23 04:22:10 +01:00
|
|
|
int i, shmid; \
|
|
|
|
|
pg_hd_ptr pg_hd, aux_pg_hd; \
|
|
|
|
|
if ((shmid = shmget(IPC_PRIVATE, SHMMAX, SHM_R|SHM_W)) == -1) \
|
|
|
|
|
Yap_Error(FATAL_ERROR, TermNil, "shmget error (ALLOC_PAGE)"); \
|
|
|
|
|
if ((pg_hd = (pg_hd_ptr) shmat(shmid, NULL, 0)) == (void *) -1) \
|
|
|
|
|
Yap_Error(FATAL_ERROR, TermNil, "shmat error (ALLOC_PAGE)"); \
|
|
|
|
|
if (shmctl(shmid, IPC_RMID, 0) != 0) \
|
|
|
|
|
Yap_Error(FATAL_ERROR, TermNil, "shmctl error (ALLOC_PAGE)"); \
|
2011-05-10 11:47:18 +01:00
|
|
|
Pg_free_pg(GLOBAL_pages_void) = pg_hd; \
|
2010-04-23 04:22:10 +01:00
|
|
|
for (i = 1; i < SHMMAX / Yap_page_size; i++) { \
|
|
|
|
|
aux_pg_hd = (pg_hd_ptr)(((void *)pg_hd) + Yap_page_size); \
|
|
|
|
|
PgHd_next(pg_hd) = aux_pg_hd; \
|
|
|
|
|
pg_hd = aux_pg_hd; \
|
|
|
|
|
} \
|
|
|
|
|
PgHd_next(pg_hd) = NULL; \
|
2011-05-10 11:47:18 +01:00
|
|
|
UPDATE_STATS(Pg_pg_alloc(GLOBAL_pages_void), SHMMAX / Yap_page_size); \
|
2010-04-23 04:22:10 +01:00
|
|
|
} \
|
2011-05-10 11:47:18 +01:00
|
|
|
UPDATE_STATS(Pg_str_in_use(GLOBAL_pages_void), 1); \
|
|
|
|
|
PG_HD = Pg_free_pg(GLOBAL_pages_void); \
|
|
|
|
|
Pg_free_pg(GLOBAL_pages_void) = PgHd_next(PG_HD); \
|
|
|
|
|
UNLOCK(Pg_lock(GLOBAL_pages_void))
|
2001-04-09 20:54:03 +01:00
|
|
|
|
2010-04-23 04:22:10 +01:00
|
|
|
#define ALLOC_STRUCT(STR, STR_PAGES, STR_TYPE) \
|
2011-04-18 14:59:17 +01:00
|
|
|
{ pg_hd_ptr pg_hd; \
|
2010-04-23 04:22:10 +01:00
|
|
|
LOCK(Pg_lock(STR_PAGES)); \
|
|
|
|
|
UPDATE_STATS(Pg_str_in_use(STR_PAGES), 1); \
|
|
|
|
|
if (Pg_free_pg(STR_PAGES)) { \
|
|
|
|
|
pg_hd = Pg_free_pg(STR_PAGES); \
|
|
|
|
|
PgHd_str_in_use(pg_hd)++; \
|
|
|
|
|
STR = (STR_TYPE *) PgHd_free_str(pg_hd); \
|
|
|
|
|
if ((PgHd_free_str(pg_hd) = (void *) STRUCT_NEXT(STR)) == NULL) \
|
|
|
|
|
if ((Pg_free_pg(STR_PAGES) = PgHd_next(pg_hd)) != NULL) \
|
|
|
|
|
PgHd_previous(PgHd_next(pg_hd)) = NULL; \
|
|
|
|
|
UNLOCK(Pg_lock(STR_PAGES)); \
|
|
|
|
|
} else { \
|
|
|
|
|
int i; \
|
|
|
|
|
UPDATE_STATS(Pg_pg_alloc(STR_PAGES), 1); \
|
|
|
|
|
UNLOCK(Pg_lock(STR_PAGES)); \
|
|
|
|
|
ALLOC_PAGE(pg_hd); \
|
|
|
|
|
PgHd_str_in_use(pg_hd) = 1; \
|
|
|
|
|
PgHd_previous(pg_hd) = NULL; \
|
|
|
|
|
STR = (STR_TYPE *) (pg_hd + 1); \
|
|
|
|
|
PgHd_free_str(pg_hd) = (void *) ++STR; \
|
|
|
|
|
for (i = Pg_str_per_pg(STR_PAGES); i != 2; i--) { \
|
|
|
|
|
STRUCT_NEXT(STR) = STR + 1; \
|
|
|
|
|
STR++; \
|
|
|
|
|
} \
|
|
|
|
|
STRUCT_NEXT(STR) = NULL; \
|
|
|
|
|
STR = (STR_TYPE *) (pg_hd + 1); \
|
|
|
|
|
LOCK(Pg_lock(STR_PAGES)); \
|
|
|
|
|
if ((PgHd_next(pg_hd) = Pg_free_pg(STR_PAGES)) != NULL) \
|
|
|
|
|
PgHd_previous(PgHd_next(pg_hd)) = pg_hd; \
|
|
|
|
|
Pg_free_pg(STR_PAGES) = pg_hd; \
|
|
|
|
|
UNLOCK(Pg_lock(STR_PAGES)); \
|
|
|
|
|
} \
|
2001-04-09 20:54:03 +01:00
|
|
|
}
|
|
|
|
|
|
2010-04-23 04:22:10 +01:00
|
|
|
#define ALLOC_NEXT_FREE_STRUCT(STR, STR_PAGES, STR_TYPE) \
|
|
|
|
|
if ((STR = LOCAL_next_free_ans_node) == NULL) { \
|
|
|
|
|
pg_hd_ptr pg_hd; \
|
|
|
|
|
LOCK(Pg_lock(STR_PAGES)); \
|
|
|
|
|
UPDATE_STATS(Pg_str_in_use(STR_PAGES), Pg_str_per_pg(STR_PAGES)); \
|
|
|
|
|
if (Pg_free_pg(STR_PAGES)) { \
|
|
|
|
|
pg_hd = Pg_free_pg(STR_PAGES); \
|
|
|
|
|
UPDATE_STATS(Pg_str_in_use(STR_PAGES), -PgHd_str_in_use(pg_hd)); \
|
|
|
|
|
PgHd_str_in_use(pg_hd) = Pg_str_per_pg(STR_PAGES); \
|
|
|
|
|
STR = (STR_TYPE *) PgHd_free_str(pg_hd); \
|
|
|
|
|
PgHd_free_str(pg_hd) = NULL; \
|
|
|
|
|
Pg_free_pg(STR_PAGES) = PgHd_next(pg_hd); \
|
|
|
|
|
UNLOCK(Pg_lock(STR_PAGES)); \
|
|
|
|
|
} else { \
|
|
|
|
|
int i; \
|
|
|
|
|
UPDATE_STATS(Pg_pg_alloc(STR_PAGES), 1); \
|
|
|
|
|
UNLOCK(Pg_lock(STR_PAGES)); \
|
|
|
|
|
ALLOC_PAGE(pg_hd); \
|
|
|
|
|
PgHd_str_in_use(pg_hd) = Pg_str_per_pg(STR_PAGES); \
|
|
|
|
|
PgHd_free_str(pg_hd) = NULL; \
|
|
|
|
|
PgHd_previous(pg_hd) = NULL; \
|
|
|
|
|
PgHd_next(pg_hd) = NULL; \
|
|
|
|
|
STR = (STR_TYPE *) (pg_hd + 1); \
|
|
|
|
|
for (i = Pg_str_per_pg(STR_PAGES); i != 1; i--) { \
|
|
|
|
|
STRUCT_NEXT(STR) = STR + 1; \
|
|
|
|
|
STR++; \
|
|
|
|
|
} \
|
|
|
|
|
STRUCT_NEXT(STR) = NULL; \
|
|
|
|
|
STR = (STR_TYPE *) (pg_hd + 1); \
|
|
|
|
|
} \
|
|
|
|
|
} \
|
2001-04-09 20:54:03 +01:00
|
|
|
LOCAL_next_free_ans_node = STRUCT_NEXT(STR)
|
2005-08-10 22:36:34 +01:00
|
|
|
#endif /* LIMIT_TABLING */
|
2011-04-28 09:48:42 +01:00
|
|
|
#else /* ! USE_PAGES_MALLOC */
|
2010-04-23 04:22:10 +01:00
|
|
|
/*************************************************************************************************
|
2011-04-28 09:48:42 +01:00
|
|
|
** ! USE_PAGES_MALLOC **
|
2010-04-23 04:22:10 +01:00
|
|
|
*************************************************************************************************/
|
2011-04-28 09:48:42 +01:00
|
|
|
#define ALLOC_STRUCT(STR, STR_PAGES, STR_TYPE) \
|
|
|
|
|
UPDATE_STATS(Pg_str_in_use(STR_PAGES), 1); \
|
|
|
|
|
ALLOC_BLOCK(STR, sizeof(STR_TYPE), STR_TYPE)
|
|
|
|
|
#define ALLOC_NEXT_FREE_STRUCT(STR, STR_PAGES, STR_TYPE) \
|
|
|
|
|
ALLOC_STRUCT(STR, STR_PAGES, STR_TYPE)
|
2010-04-23 04:22:10 +01:00
|
|
|
#define FREE_STRUCT(STR, STR_PAGES, STR_TYPE) \
|
2011-04-28 09:48:42 +01:00
|
|
|
UPDATE_STATS(Pg_str_in_use(STR_PAGES), -1); \
|
|
|
|
|
FREE_BLOCK(STR)
|
2010-04-23 04:22:10 +01:00
|
|
|
#endif /*****************************************************************************************/
|
2005-08-01 16:40:39 +01:00
|
|
|
|
2011-04-28 09:48:42 +01:00
|
|
|
|
|
|
|
|
|
2010-04-23 04:22:10 +01:00
|
|
|
#define ALLOC_HASH_BUCKETS(BUCKET_PTR, NUM_BUCKETS) \
|
|
|
|
|
{ int i; void **bucket_ptr; \
|
|
|
|
|
ALLOC_BLOCK(bucket_ptr, NUM_BUCKETS * sizeof(void *), void *); \
|
|
|
|
|
BUCKET_PTR = (void *) bucket_ptr; \
|
|
|
|
|
for (i = NUM_BUCKETS; i != 0; i--) \
|
|
|
|
|
*bucket_ptr++ = NULL; \
|
2005-03-04 20:30:14 +00:00
|
|
|
}
|
|
|
|
|
#define FREE_HASH_BUCKETS(BUCKET_PTR) FREE_BLOCK(BUCKET_PTR)
|
2001-04-09 20:54:03 +01:00
|
|
|
|
2011-05-10 11:47:18 +01:00
|
|
|
#define ALLOC_OR_FRAME(STR) ALLOC_STRUCT(STR, GLOBAL_pages_or_fr , struct or_frame)
|
|
|
|
|
#define FREE_OR_FRAME(STR) FREE_STRUCT(STR, GLOBAL_pages_or_fr , struct or_frame)
|
2005-08-01 16:40:39 +01:00
|
|
|
|
2011-05-10 11:47:18 +01:00
|
|
|
#define ALLOC_QG_SOLUTION_FRAME(STR) ALLOC_STRUCT(STR, GLOBAL_pages_qg_sol_fr , struct query_goal_solution_frame)
|
|
|
|
|
#define FREE_QG_SOLUTION_FRAME(STR) FREE_STRUCT(STR, GLOBAL_pages_qg_sol_fr , struct query_goal_solution_frame)
|
2005-08-01 16:40:39 +01:00
|
|
|
|
2011-05-10 11:47:18 +01:00
|
|
|
#define ALLOC_QG_ANSWER_FRAME(STR) ALLOC_STRUCT(STR, GLOBAL_pages_qg_ans_fr, struct query_goal_answer_frame)
|
|
|
|
|
#define FREE_QG_ANSWER_FRAME(STR) FREE_STRUCT(STR, GLOBAL_pages_qg_ans_fr, struct query_goal_answer_frame)
|
2001-04-09 20:54:03 +01:00
|
|
|
|
2011-05-10 11:47:18 +01:00
|
|
|
#define ALLOC_TG_SOLUTION_FRAME(STR) ALLOC_STRUCT(STR, GLOBAL_pages_tg_sol_fr, struct table_subgoal_solution_frame)
|
|
|
|
|
#define FREE_TG_SOLUTION_FRAME(STR) FREE_STRUCT(STR, GLOBAL_pages_tg_sol_fr, struct table_subgoal_solution_frame)
|
2001-04-09 20:54:03 +01:00
|
|
|
|
2011-05-10 11:47:18 +01:00
|
|
|
#define ALLOC_TG_ANSWER_FRAME(STR) ALLOC_STRUCT(STR, GLOBAL_pages_tg_ans_fr, struct table_subgoal_answer_frame)
|
|
|
|
|
#define FREE_TG_ANSWER_FRAME(STR) FREE_STRUCT(STR, GLOBAL_pages_tg_ans_fr, struct table_subgoal_answer_frame)
|
2001-04-09 20:54:03 +01:00
|
|
|
|
2011-05-10 11:47:18 +01:00
|
|
|
#define ALLOC_TABLE_ENTRY(STR) ALLOC_STRUCT(STR, GLOBAL_pages_tab_ent, struct table_entry)
|
|
|
|
|
#define FREE_TABLE_ENTRY(STR) FREE_STRUCT(STR, GLOBAL_pages_tab_ent, struct table_entry)
|
2001-04-09 20:54:03 +01:00
|
|
|
|
2011-05-10 11:47:18 +01:00
|
|
|
#define ALLOC_SUBGOAL_FRAME(STR) ALLOC_STRUCT(STR, GLOBAL_pages_sg_fr, struct subgoal_frame)
|
|
|
|
|
#define FREE_SUBGOAL_FRAME(STR) FREE_STRUCT(STR, GLOBAL_pages_sg_fr, struct subgoal_frame)
|
2010-04-19 02:34:08 +01:00
|
|
|
|
2011-05-10 11:47:18 +01:00
|
|
|
#define ALLOC_DEPENDENCY_FRAME(STR) ALLOC_STRUCT(STR, GLOBAL_pages_dep_fr, struct dependency_frame)
|
|
|
|
|
#define FREE_DEPENDENCY_FRAME(STR) FREE_STRUCT(STR, GLOBAL_pages_dep_fr, struct dependency_frame)
|
2010-04-19 02:34:08 +01:00
|
|
|
|
2011-05-10 11:47:18 +01:00
|
|
|
#define ALLOC_SUSPENSION_FRAME(STR) ALLOC_STRUCT(STR, GLOBAL_pages_susp_fr, struct suspension_frame)
|
2010-04-19 02:34:08 +01:00
|
|
|
#define FREE_SUSPENSION_FRAME(STR) FREE_BLOCK(SuspFr_global_start(STR)); \
|
2011-05-10 11:47:18 +01:00
|
|
|
FREE_STRUCT(STR, GLOBAL_pages_susp_fr, struct suspension_frame)
|
2010-04-19 02:34:08 +01:00
|
|
|
|
2011-05-10 11:47:18 +01:00
|
|
|
#define ALLOC_GLOBAL_TRIE_NODE(STR) ALLOC_STRUCT(STR, GLOBAL_pages_gt_node, struct global_trie_node)
|
|
|
|
|
#define FREE_GLOBAL_TRIE_NODE(STR) FREE_STRUCT(STR, GLOBAL_pages_gt_node, struct global_trie_node)
|
2001-04-09 20:54:03 +01:00
|
|
|
|
2011-05-10 11:47:18 +01:00
|
|
|
#define ALLOC_SUBGOAL_TRIE_NODE(STR) ALLOC_STRUCT(STR, GLOBAL_pages_sg_node, struct subgoal_trie_node)
|
|
|
|
|
#define FREE_SUBGOAL_TRIE_NODE(STR) FREE_STRUCT(STR, GLOBAL_pages_sg_node, struct subgoal_trie_node)
|
2001-04-09 20:54:03 +01:00
|
|
|
|
2005-07-11 20:17:32 +01:00
|
|
|
#ifdef YAPOR
|
2011-05-10 11:47:18 +01:00
|
|
|
#define ALLOC_ANSWER_TRIE_NODE(STR) ALLOC_NEXT_FREE_STRUCT(STR, GLOBAL_pages_ans_node, struct answer_trie_node)
|
2005-07-11 20:17:32 +01:00
|
|
|
#else /* TABLING */
|
2011-05-10 11:47:18 +01:00
|
|
|
#define ALLOC_ANSWER_TRIE_NODE(STR) ALLOC_STRUCT(STR, GLOBAL_pages_ans_node, struct answer_trie_node)
|
2005-07-11 20:17:32 +01:00
|
|
|
#endif /* YAPOR - TABLING */
|
2011-05-10 11:47:18 +01:00
|
|
|
#define FREE_ANSWER_TRIE_NODE(STR) FREE_STRUCT(STR, GLOBAL_pages_ans_node, struct answer_trie_node)
|
2009-09-27 02:31:31 +01:00
|
|
|
|
2011-05-10 11:47:18 +01:00
|
|
|
#define ALLOC_GLOBAL_TRIE_HASH(STR) ALLOC_STRUCT(STR, GLOBAL_pages_gt_hash, struct global_trie_hash)
|
|
|
|
|
#define FREE_GLOBAL_TRIE_HASH(STR) FREE_STRUCT(STR, GLOBAL_pages_gt_hash, struct global_trie_hash)
|
2001-04-09 20:54:03 +01:00
|
|
|
|
2011-05-10 11:47:18 +01:00
|
|
|
#define ALLOC_SUBGOAL_TRIE_HASH(STR) ALLOC_STRUCT(STR, GLOBAL_pages_sg_hash, struct subgoal_trie_hash)
|
|
|
|
|
#define FREE_SUBGOAL_TRIE_HASH(STR) FREE_STRUCT(STR, GLOBAL_pages_sg_hash, struct subgoal_trie_hash)
|
2001-04-09 20:54:03 +01:00
|
|
|
|
2011-05-10 11:47:18 +01:00
|
|
|
#define ALLOC_ANSWER_TRIE_HASH(STR) ALLOC_STRUCT(STR, GLOBAL_pages_ans_hash, struct answer_trie_hash)
|
|
|
|
|
#define FREE_ANSWER_TRIE_HASH(STR) FREE_STRUCT(STR, GLOBAL_pages_ans_hash, struct answer_trie_hash)
|
2001-04-09 20:54:03 +01:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2010-04-18 04:59:11 +01:00
|
|
|
/************************************************************************
|
|
|
|
|
** Bitmap manipulation **
|
|
|
|
|
************************************************************************/
|
2001-04-09 20:54:03 +01:00
|
|
|
|
|
|
|
|
#define BITMAP_empty(b) ((b) == 0)
|
|
|
|
|
#define BITMAP_member(b,n) (((b) & (1<<(n))) != 0)
|
|
|
|
|
#define BITMAP_alone(b,n) ((b) == (1<<(n)))
|
|
|
|
|
#define BITMAP_subset(b1,b2) (((b1) & (b2)) == b2)
|
|
|
|
|
#define BITMAP_same(b1,b2) ((b1) == (b2))
|
|
|
|
|
#define BITMAP_clear(b) ((b) = 0)
|
|
|
|
|
#define BITMAP_and(b1,b2) ((b1) &= (b2))
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#define BITMAP_minus(b1,b2) ((b1) &= ~(b2))
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#define BITMAP_insert(b,n) ((b) |= (1<<(n)))
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#define BITMAP_delete(b,n) ((b) &= (~(1<<(n))))
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#define BITMAP_copy(b1,b2) ((b1) = (b2))
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#define BITMAP_intersection(b1,b2,b3) ((b1) = ((b2) & (b3)))
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#define BITMAP_difference(b1,b2,b3) ((b1) = ((b2) & (~(b3))))
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2010-04-18 04:59:11 +01:00
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/************************************************************************
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|
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|
** Debug macros **
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************************************************************************/
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|
|
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#define INFORMATION_MESSAGE(MESSAGE,ARGS...) \
|
2011-05-25 18:38:46 +01:00
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Sfprintf(Serror, "[ " MESSAGE " ]\n", ##ARGS)
|
2001-04-09 20:54:03 +01:00
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|
2010-04-18 04:59:11 +01:00
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|
#ifdef YAPOR
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|
#define ERROR_MESSAGE(MESSAGE) \
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|
Yap_Error(INTERNAL_ERROR, TermNil, "W%d - " MESSAGE, worker_id)
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|
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|
#else
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|
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|
|
#define ERROR_MESSAGE(MESSAGE) \
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|
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|
Yap_Error(INTERNAL_ERROR, TermNil, MESSAGE)
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#endif /* YAPOR */
|
2001-04-09 20:54:03 +01:00
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|
2010-04-18 04:59:11 +01:00
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|
#ifdef DEBUG_TABLING
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|
|
#define TABLING_ERROR_CHECKING(PROCEDURE,TEST) \
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|
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|
|
if (TEST) ERROR_MESSAGE(#PROCEDURE ": " #TEST)
|
2001-04-09 20:54:03 +01:00
|
|
|
#else
|
2010-04-18 04:59:11 +01:00
|
|
|
#define TABLING_ERROR_CHECKING(PROCEDURE,TEST)
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|
#endif /* DEBUG_TABLING */
|
2001-04-09 20:54:03 +01:00
|
|
|
|
2010-04-18 04:59:11 +01:00
|
|
|
#ifdef DEBUG_YAPOR
|
|
|
|
|
#define YAPOR_ERROR_CHECKING(PROCEDURE,TEST) \
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|
|
|
|
if (TEST) ERROR_MESSAGE(#PROCEDURE ": " #TEST)
|
2001-04-09 20:54:03 +01:00
|
|
|
#else
|
2010-04-18 04:59:11 +01:00
|
|
|
#define YAPOR_ERROR_CHECKING(PROCEDURE,TEST)
|
|
|
|
|
#endif /* DEBUG_YAPOR */
|
2001-04-09 20:54:03 +01:00
|
|
|
|
2010-04-18 04:59:11 +01:00
|
|
|
#ifdef DEBUG_OPTYAP
|
|
|
|
|
#define OPTYAP_ERROR_CHECKING(PROCEDURE,TEST) \
|
|
|
|
|
if (TEST) ERROR_MESSAGE(#PROCEDURE ": " #TEST)
|
2001-04-09 20:54:03 +01:00
|
|
|
#else
|
2010-04-18 04:59:11 +01:00
|
|
|
#define OPTYAP_ERROR_CHECKING(PROCEDURE,TEST)
|
|
|
|
|
#endif /* DEBUG_OPTYAP */
|
