adjust ALLOC macros
This commit is contained in:
Ricardo Rocha
parent
0dab76c185
commit
6aae4eb948
@ -81,10 +81,72 @@ extern int Yap_page_size;
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#ifdef USE_PAGES_MALLOC
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#ifndef USE_PAGES_MALLOC
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/****************************************************************************************
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** ! USE_PAGES_MALLOC **
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****************************************************************************************/
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#define ALLOC_STRUCT(STR, STR_TYPE, STR_PAGES, VOID_PAGES) \
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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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UNLOCK(Pg_lock(STR_PAGES)); \
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ALLOC_BLOCK(STR, sizeof(STR_TYPE), STR_TYPE)
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#define ALLOC_NEXT_FREE_STRUCT(STR, STR_TYPE, STR_PAGES, VOID_PAGES) \
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ALLOC_STRUCT(STR, STR_TYPE, STR_PAGES, VOID_PAGES)
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#define FREE_STRUCT(STR, STR_TYPE, STR_PAGES, VOID_PAGES) \
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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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UNLOCK(Pg_lock(STR_PAGES)); \
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FREE_BLOCK(STR)
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#else
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/****************************************************************************************
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** USE_PAGES_MALLOC **
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****************************************************************************************/
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#define ALLOC_VOID_PAGES(PG_HD, VOID_PAGES) \
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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_VOID_PAGES)"); \
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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_VOID_PAGES)"); \
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if (shmctl(shmid, IPC_RMID, 0) != 0) \
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Yap_Error(FATAL_ERROR, TermNil, "shmctl error (ALLOC_VOID_PAGES)"); \
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aux_pg_hd = (pg_hd_ptr)(((void *)PG_HD) + Yap_page_size); \
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Pg_free_pg(VOID_PAGES) = aux_pg_hd; \
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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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UPDATE_STATS(Pg_pg_alloc(VOID_PAGES), SHMMAX / Yap_page_size); \
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UPDATE_STATS(Pg_str_in_use(VOID_PAGES), 1); \
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}
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#define ALLOC_PAGE(PG_HD, VOID_PAGES) \
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LOCK(Pg_lock(VOID_PAGES)); \
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PG_HD = Pg_free_pg(VOID_PAGES); \
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if (PG_HD == NULL) { \
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ALLOC_VOID_PAGES(PG_HD, VOID_PAGES); \
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} else { \
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Pg_free_pg(VOID_PAGES) = PgHd_next(PG_HD); \
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UPDATE_STATS(Pg_str_in_use(VOID_PAGES), 1); \
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} \
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UNLOCK(Pg_lock(VOID_PAGES))
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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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PgHd_next(PG_HD) = NULL; \
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PgHd_free_str(PG_HD) = (void *) (PG_HD + 1); \
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aux_str = (STR_TYPE *) PgHd_free_str(PG_HD); \
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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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}
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#define FREE_PAGE(PG_HD, VOID_PAGES) \
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LOCK(Pg_lock(VOID_PAGES)); \
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UPDATE_STATS(Pg_str_in_use(VOID_PAGES), -1); \
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@ -123,44 +185,6 @@ extern int Yap_page_size;
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/****************************************************************************************
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** USE_PAGES_MALLOC && LIMIT_TABLING **
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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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}
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#define ALLOC_PAGE(PG_HD, VOID_PAGES) \
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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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Pg_free_pg(VOID_PAGES) = aux_pg_hd; \
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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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UPDATE_STATS(Pg_pg_alloc(VOID_PAGES), SHMMAX / Yap_page_size); \
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}
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#define RECOVER_UNUSED_SPACE(STR_PAGES, VOID_PAGES) \
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{ sg_fr_ptr sg_fr = GLOBAL_check_sg_fr; \
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do { \
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@ -202,11 +226,20 @@ extern int Yap_page_size;
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UPDATE_STATS(Pg_str_in_use(VOID_PAGES), 1); \
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UNLOCK(Pg_lock(VOID_PAGES)); \
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INIT_PAGE(pg_hd, STR_PAGES, STR_TYPE); \
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} else if ( GLOBAL_max_pages != Pg_pg_alloc(VOID_PAGES)) { \
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ALLOC_PAGE(pg_hd, VOID_PAGES); \
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UPDATE_STATS(Pg_str_in_use(VOID_PAGES), 1); \
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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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} else if (GLOBAL_max_pages != Pg_pg_alloc(VOID_PAGES)) { \
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ALLOC_VOID_PAGES(pg_hd, VOID_PAGES); \
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UNLOCK(Pg_lock(VOID_PAGES)); \
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INIT_PAGE(pg_hd, STR_PAGES, STR_TYPE); \
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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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} else { \
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UNLOCK(Pg_lock(VOID_PAGES)); \
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RECOVER_UNUSED_SPACE(STR_PAGES, VOID_PAGES); \
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@ -237,11 +270,20 @@ extern int Yap_page_size;
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UPDATE_STATS(Pg_str_in_use(VOID_PAGES), 1); \
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UNLOCK(Pg_lock(VOID_PAGES)); \
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INIT_PAGE(pg_hd, STR_PAGES, STR_TYPE); \
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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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} else if ( GLOBAL_max_pages != Pg_pg_alloc(VOID_PAGES)) { \
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ALLOC_PAGE(pg_hd, VOID_PAGES); \
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UPDATE_STATS(Pg_str_in_use(VOID_PAGES), 1); \
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ALLOC_VOID_PAGES(pg_hd, VOID_PAGES); \
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UNLOCK(Pg_lock(VOID_PAGES)); \
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INIT_PAGE(pg_hd, STR_PAGES, STR_TYPE); \
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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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} else { \
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UNLOCK(Pg_lock(VOID_PAGES)); \
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RECOVER_UNUSED_SPACE(STR_PAGES, VOID_PAGES); \
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@ -262,31 +304,6 @@ extern int Yap_page_size;
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/****************************************************************************************
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** USE_PAGES_MALLOC && ! LIMIT_TABLING **
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****************************************************************************************/
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#define ALLOC_PAGE(PG_HD, VOID_PAGES) \
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LOCK(Pg_lock(VOID_PAGES)); \
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if (Pg_free_pg(VOID_PAGES) == NULL) { \
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int i, shmid; \
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pg_hd_ptr pg_hd, 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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Pg_free_pg(VOID_PAGES) = pg_hd; \
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for (i = 1; i < SHMMAX / Yap_page_size; i++) { \
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aux_pg_hd = (pg_hd_ptr)(((void *)pg_hd) + Yap_page_size); \
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PgHd_next(pg_hd) = aux_pg_hd; \
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pg_hd = aux_pg_hd; \
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} \
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PgHd_next(pg_hd) = NULL; \
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UPDATE_STATS(Pg_pg_alloc(VOID_PAGES), SHMMAX / Yap_page_size); \
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} \
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UPDATE_STATS(Pg_str_in_use(VOID_PAGES), 1); \
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PG_HD = Pg_free_pg(VOID_PAGES); \
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Pg_free_pg(VOID_PAGES) = PgHd_next(PG_HD); \
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UNLOCK(Pg_lock(VOID_PAGES))
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#define ALLOC_STRUCT(STR, STR_TYPE, STR_PAGES, VOID_PAGES) \
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{ pg_hd_ptr pg_hd; \
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LOCK(Pg_lock(STR_PAGES)); \
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@ -354,19 +371,7 @@ extern int Yap_page_size;
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} \
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} \
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LOCAL_next_free_ans_node = STRUCT_NEXT(STR)
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#endif /* LIMIT_TABLING */
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#else /* ! USE_PAGES_MALLOC */
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/****************************************************************************************
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** ! USE_PAGES_MALLOC **
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****************************************************************************************/
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#define ALLOC_STRUCT(STR, STR_TYPE, STR_PAGES, VOID_PAGES) \
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UPDATE_STATS(Pg_str_in_use(STR_PAGES), 1); \
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ALLOC_BLOCK(STR, sizeof(STR_TYPE), STR_TYPE)
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#define ALLOC_NEXT_FREE_STRUCT(STR, STR_TYPE, STR_PAGES, VOID_PAGES) \
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ALLOC_STRUCT(STR, STR_TYPE, STR_PAGES, VOID_PAGES)
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#define FREE_STRUCT(STR, STR_TYPE, STR_PAGES, VOID_PAGES) \
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UPDATE_STATS(Pg_str_in_use(STR_PAGES), -1); \
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FREE_BLOCK(STR)
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#endif
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#endif /********************************************************************************/
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