/usr/include/Yap/opt.macros.h is in yap 6.2.2-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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** **
** The YapTab/YapOr/OPTYap systems **
** **
** YapTab extends the Yap Prolog engine to support sequential tabling **
** YapOr extends the Yap Prolog engine to support or-parallelism **
** OPTYap extends the Yap Prolog engine to support or-parallel tabling **
** **
** **
** Yap Prolog was developed at University of Porto, Portugal **
** **
************************************************************************/
/************************************************************************
** Memory management **
************************************************************************/
extern int Yap_page_size;
#ifdef SHM_MEMORY_ALLOC_SCHEME
#include <sys/shm.h>
#define SHMMAX 0x2000000 /* 32 Mbytes: works fine with linux */
/* #define SHMMAX 0x400000 - 4 Mbytes: shmget limit for Mac (?) */
/* #define SHMMAX 0x800000 - 8 Mbytes: shmget limit for Solaris (?) */
#endif /* SHM_MEMORY_ALLOC_SCHEME */
#if SIZEOF_INT_P == 4
#define ALIGN 3
#define ALIGNMASK 0xfffffffc
#elif SIZEOF_INT_P == 8
#define ALIGN 7
#define ALIGNMASK 0xfffffff8
#else
#define ALIGN OOOOPPS!!! Unknown Pointer Sizeof
#define ALIGNMASK OOOOPPS!!! Unknown Pointer Sizeof
#endif /* SIZEOF_INT_P */
#define ADJUST_SIZE(SIZE) ((SIZE + ALIGN) & ALIGNMASK)
#define ADJUST_SIZE_TO_PAGE(SIZE) ((SIZE) - (SIZE) % Yap_page_size + Yap_page_size)
#define STRUCT_SIZE(STR_TYPE) ADJUST_SIZE(sizeof(STR_TYPE))
#define PAGE_HEADER(STR) (pg_hd_ptr)((unsigned long int)STR - (unsigned long int)STR % Yap_page_size)
#define STRUCT_NEXT(STR) ((STR)->next)
#define UPDATE_STATS(STAT, VALUE) STAT += VALUE
#ifdef MALLOC_MEMORY_ALLOC_SCHEME
/*************************************************************************************************
** MALLOC_MEMORY_ALLOC_SCHEME **
*************************************************************************************************/
#define ALLOC_BLOCK(STR, SIZE, STR_TYPE) \
if ((STR = (STR_TYPE *) malloc(SIZE)) == NULL) \
Yap_Error(FATAL_ERROR, TermNil, "ALLOC_BLOCK: malloc error")
#define FREE_BLOCK(STR) \
free(STR)
#else
/*************************************************************************************************
** ! MALLOC_MEMORY_ALLOC_SCHEME **
*************************************************************************************************/
#define ALLOC_BLOCK(STR, SIZE, STR_TYPE) \
{ char *block_ptr; \
if ((block_ptr = Yap_AllocCodeSpace(SIZE + sizeof(CELL))) != NULL) \
*block_ptr = 'y'; \
else if ((block_ptr = (char *) malloc(SIZE + sizeof(CELL))) != NULL) \
*block_ptr = 'm'; \
else \
Yap_Error(FATAL_ERROR, TermNil, "ALLOC_BLOCK: malloc error"); \
block_ptr += sizeof(CELL); \
STR = (STR_TYPE *) block_ptr; \
}
#define FREE_BLOCK(STR) \
{ char *block_ptr = (char *)(STR) - sizeof(CELL); \
if (block_ptr[0] == 'y') \
Yap_FreeCodeSpace(block_ptr); \
else \
free(block_ptr); \
}
#endif /*****************************************************************************************/
#if defined(MALLOC_MEMORY_ALLOC_SCHEME) || defined(YAP_MEMORY_ALLOC_SCHEME)
/*************************************************************************************************
** MALLOC_MEMORY_ALLOC_SCHEME || YAP_MEMORY_ALLOC_SCHEME **
*************************************************************************************************/
#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)
#define FREE_STRUCT(STR, STR_PAGES, STR_TYPE) \
UPDATE_STATS(Pg_str_in_use(STR_PAGES), -1); \
FREE_BLOCK(STR)
#elif SHM_MEMORY_ALLOC_SCHEME
#ifdef LIMIT_TABLING
/*************************************************************************************************
** SHM_MEMORY_ALLOC_SCHEME && LIMIT_TABLING **
*************************************************************************************************/
#define INIT_PAGE(PG_HD, STR_PAGES, STR_TYPE) \
{ int i; \
STR_TYPE *aux_str; \
PgHd_str_in_use(PG_HD) = 0; \
PgHd_previous(PG_HD) = NULL; \
aux_str = (STR_TYPE *) (PG_HD + 1); \
PgHd_free_str(PG_HD) = (void *) aux_str; \
for (i = 1; i < Pg_str_per_pg(STR_PAGES); i++) { \
STRUCT_NEXT(aux_str) = aux_str + 1; \
aux_str++; \
} \
STRUCT_NEXT(aux_str) = NULL; \
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; \
UPDATE_STATS(Pg_pg_alloc(STR_PAGES), 1); \
}
#define ALLOC_PAGE(PG_HD) \
{ int i, shmid; \
pg_hd_ptr 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)"); \
aux_pg_hd = (pg_hd_ptr)(((void *)PG_HD) + Yap_page_size); \
Pg_free_pg(GLOBAL_PAGES_void) = aux_pg_hd; \
for (i = 2; i < SHMMAX / Yap_page_size; i++) { \
PgHd_next(aux_pg_hd) = (pg_hd_ptr)(((void *)aux_pg_hd) + Yap_page_size); \
aux_pg_hd = PgHd_next(aux_pg_hd); \
} \
PgHd_next(aux_pg_hd) = NULL; \
UPDATE_STATS(Pg_pg_alloc(GLOBAL_PAGES_void), SHMMAX / Yap_page_size); \
}
#define RECOVER_UNUSED_SPACE(STR_PAGES) \
{ sg_fr_ptr sg_fr = GLOBAL_check_sg_fr; \
do { \
if (sg_fr) \
sg_fr = SgFr_next(sg_fr); \
else \
sg_fr = GLOBAL_first_sg_fr; \
if (sg_fr == NULL) \
Yap_Error(FATAL_ERROR, TermNil, "no space left (RECOVER_UNUSED_SPACE)"); \
/* see function 'InteractSIGINT' in file 'sysbits.c' */ \
/* Yap_Error(PURE_ABORT, TermNil, ""); */ \
/* restore_absmi_regs(&Yap_standard_regs); */ \
/* siglongjmp (Yap_RestartEnv, 1); */ \
if (SgFr_first_answer(sg_fr) && \
SgFr_first_answer(sg_fr) != SgFr_answer_trie(sg_fr)) { \
SgFr_state(sg_fr) = ready; \
free_answer_hash_chain(SgFr_hash_chain(sg_fr)); \
SgFr_hash_chain(sg_fr) = NULL; \
SgFr_first_answer(sg_fr) = NULL; \
SgFr_last_answer(sg_fr) = NULL; \
free_answer_trie(TrNode_child(SgFr_answer_trie(sg_fr)), \
TRAVERSE_MODE_NORMAL, TRAVERSE_POSITION_FIRST); \
TrNode_child(SgFr_answer_trie(sg_fr)) = NULL; \
} \
} while (Pg_free_pg(GLOBAL_PAGES_void) == Pg_free_pg(STR_PAGES)); \
GLOBAL_check_sg_fr = sg_fr; \
}
#define ALLOC_STRUCT(STR, STR_PAGES, STR_TYPE) \
{ pg_hd_ptr pg_hd; \
LOCK(Pg_lock(STR_PAGES)); \
pg_hd = Pg_free_pg(STR_PAGES); \
while (pg_hd == NULL) { \
UNLOCK(Pg_lock(STR_PAGES)); \
LOCK(Pg_lock(GLOBAL_PAGES_void)); \
if (Pg_free_pg(GLOBAL_PAGES_void)) { \
pg_hd = Pg_free_pg(GLOBAL_PAGES_void); \
Pg_free_pg(GLOBAL_PAGES_void) = PgHd_next(pg_hd); \
UPDATE_STATS(Pg_str_in_use(GLOBAL_PAGES_void), 1); \
UNLOCK(Pg_lock(GLOBAL_PAGES_void)); \
INIT_PAGE(pg_hd, STR_PAGES, STR_TYPE); \
} else if (GLOBAL_MAX_PAGES != Pg_pg_alloc(GLOBAL_PAGES_void)) { \
ALLOC_PAGE(pg_hd); \
UPDATE_STATS(Pg_str_in_use(GLOBAL_PAGES_void), 1); \
UNLOCK(Pg_lock(GLOBAL_PAGES_void)); \
INIT_PAGE(pg_hd, STR_PAGES, STR_TYPE); \
} else { \
UNLOCK(Pg_lock(GLOBAL_PAGES_void)); \
RECOVER_UNUSED_SPACE(STR_PAGES); \
LOCK(Pg_lock(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; \
UPDATE_STATS(Pg_str_in_use(STR_PAGES), 1); \
UNLOCK(Pg_lock(STR_PAGES)); \
}
#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)); \
pg_hd = Pg_free_pg(STR_PAGES); \
while (pg_hd == NULL) { \
UNLOCK(Pg_lock(STR_PAGES)); \
LOCK(Pg_lock(GLOBAL_PAGES_void)); \
if (Pg_free_pg(GLOBAL_PAGES_void)) { \
pg_hd = Pg_free_pg(GLOBAL_PAGES_void); \
Pg_free_pg(GLOBAL_PAGES_void) = PgHd_next(pg_hd); \
UPDATE_STATS(Pg_str_in_use(GLOBAL_PAGES_void), 1); \
UNLOCK(Pg_lock(GLOBAL_PAGES_void)); \
INIT_PAGE(pg_hd, STR_PAGES, STR_TYPE); \
} else if (GLOBAL_MAX_PAGES != Pg_pg_alloc(GLOBAL_PAGES_void)) { \
ALLOC_PAGE(pg_hd); \
UPDATE_STATS(Pg_str_in_use(GLOBAL_PAGES_void), 1); \
UNLOCK(Pg_lock(GLOBAL_PAGES_void)); \
INIT_PAGE(pg_hd, STR_PAGES, STR_TYPE); \
} else { \
UNLOCK(Pg_lock(GLOBAL_PAGES_void)); \
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)); \
} \
LOCAL_next_free_ans_node = STRUCT_NEXT(STR)
#else
/*************************************************************************************************
** SHM_MEMORY_ALLOC_SCHEME && !LIMIT_TABLING **
*************************************************************************************************/
#define ALLOC_PAGE(PG_HD) \
LOCK(Pg_lock(GLOBAL_PAGES_void)); \
if (Pg_free_pg(GLOBAL_PAGES_void) == NULL) { \
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)"); \
Pg_free_pg(GLOBAL_PAGES_void) = pg_hd; \
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; \
UPDATE_STATS(Pg_pg_alloc(GLOBAL_PAGES_void), SHMMAX / Yap_page_size); \
} \
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))
#define ALLOC_STRUCT(STR, STR_PAGES, STR_TYPE) \
{ pg_hd_ptr pg_hd; \
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)); \
} \
}
#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); \
} \
} \
LOCAL_next_free_ans_node = STRUCT_NEXT(STR)
#endif /* LIMIT_TABLING */
/*************************************************************************************************
** SHM_MEMORY_ALLOC_SCHEME **
*************************************************************************************************/
#define FREE_PAGE(PG_HD) \
LOCK(Pg_lock(GLOBAL_PAGES_void)); \
UPDATE_STATS(Pg_str_in_use(GLOBAL_PAGES_void), -1); \
PgHd_next(PG_HD) = Pg_free_pg(GLOBAL_PAGES_void); \
Pg_free_pg(GLOBAL_PAGES_void) = PG_HD; \
UNLOCK(Pg_lock(GLOBAL_PAGES_void))
#define FREE_STRUCT(STR, STR_PAGES, STR_TYPE) \
{ pg_hd_ptr pg_hd; \
pg_hd = PAGE_HEADER(STR); \
LOCK(Pg_lock(STR_PAGES)); \
UPDATE_STATS(Pg_str_in_use(STR_PAGES), -1); \
if (--PgHd_str_in_use(pg_hd) == 0) { \
UPDATE_STATS(Pg_pg_alloc(STR_PAGES), -1); \
if (PgHd_previous(pg_hd)) { \
if ((PgHd_next(PgHd_previous(pg_hd)) = PgHd_next(pg_hd)) != NULL) \
PgHd_previous(PgHd_next(pg_hd)) = PgHd_previous(pg_hd); \
} else { \
if ((Pg_free_pg(STR_PAGES) = PgHd_next(pg_hd)) != NULL) \
PgHd_previous(PgHd_next(pg_hd)) = NULL; \
} \
UNLOCK(Pg_lock(STR_PAGES)); \
FREE_PAGE(pg_hd); \
} else { \
if ((STRUCT_NEXT(STR) = (STR_TYPE *) PgHd_free_str(pg_hd)) == NULL) { \
PgHd_previous(pg_hd) = NULL; \
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; \
} \
PgHd_free_str(pg_hd) = (void *) STR; \
UNLOCK(Pg_lock(STR_PAGES)); \
} \
}
#endif /*****************************************************************************************/
#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; \
}
#define FREE_HASH_BUCKETS(BUCKET_PTR) FREE_BLOCK(BUCKET_PTR)
#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)
#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)
#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)
#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)
#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)
#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)
#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)
#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)
#define ALLOC_SUSPENSION_FRAME(STR) ALLOC_STRUCT(STR, GLOBAL_PAGES_susp_fr, struct suspension_frame)
#define FREE_SUSPENSION_FRAME(STR) FREE_BLOCK(SuspFr_global_start(STR)); \
FREE_STRUCT(STR, GLOBAL_PAGES_susp_fr, struct suspension_frame)
#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)
#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)
#ifdef YAPOR
#define ALLOC_ANSWER_TRIE_NODE(STR) ALLOC_NEXT_FREE_STRUCT(STR, GLOBAL_PAGES_ans_node, struct answer_trie_node)
#else /* TABLING */
#define ALLOC_ANSWER_TRIE_NODE(STR) ALLOC_STRUCT(STR, GLOBAL_PAGES_ans_node, struct answer_trie_node)
#endif /* YAPOR - TABLING */
#define FREE_ANSWER_TRIE_NODE(STR) FREE_STRUCT(STR, GLOBAL_PAGES_ans_node, struct answer_trie_node)
#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)
#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)
#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)
/************************************************************************
** Bitmap manipulation **
************************************************************************/
#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))
#define BITMAP_minus(b1,b2) ((b1) &= ~(b2))
#define BITMAP_insert(b,n) ((b) |= (1<<(n)))
#define BITMAP_delete(b,n) ((b) &= (~(1<<(n))))
#define BITMAP_copy(b1,b2) ((b1) = (b2))
#define BITMAP_intersection(b1,b2,b3) ((b1) = ((b2) & (b3)))
#define BITMAP_difference(b1,b2,b3) ((b1) = ((b2) & (~(b3))))
/************************************************************************
** Debug macros **
************************************************************************/
#define INFORMATION_MESSAGE(MESSAGE,ARGS...) \
fprintf(stderr, "[ " MESSAGE " ]\n", ##ARGS)
#ifdef YAPOR
#define ERROR_MESSAGE(MESSAGE) \
Yap_Error(INTERNAL_ERROR, TermNil, "W%d - " MESSAGE, worker_id)
#else
#define ERROR_MESSAGE(MESSAGE) \
Yap_Error(INTERNAL_ERROR, TermNil, MESSAGE)
#endif /* YAPOR */
#ifdef DEBUG_TABLING
#define TABLING_ERROR_CHECKING(PROCEDURE,TEST) \
if (TEST) ERROR_MESSAGE(#PROCEDURE ": " #TEST)
#else
#define TABLING_ERROR_CHECKING(PROCEDURE,TEST)
#endif /* DEBUG_TABLING */
#ifdef DEBUG_YAPOR
#define YAPOR_ERROR_CHECKING(PROCEDURE,TEST) \
if (TEST) ERROR_MESSAGE(#PROCEDURE ": " #TEST)
#else
#define YAPOR_ERROR_CHECKING(PROCEDURE,TEST)
#endif /* DEBUG_YAPOR */
#ifdef DEBUG_OPTYAP
#define OPTYAP_ERROR_CHECKING(PROCEDURE,TEST) \
if (TEST) ERROR_MESSAGE(#PROCEDURE ": " #TEST)
#else
#define OPTYAP_ERROR_CHECKING(PROCEDURE,TEST)
#endif /* DEBUG_OPTYAP */
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