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Diffstat (limited to 'erts/emulator/beam/erl_db.c')
-rw-r--r--erts/emulator/beam/erl_db.c166
1 files changed, 110 insertions, 56 deletions
diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c
index 259ebd838e..38b4a2d460 100644
--- a/erts/emulator/beam/erl_db.c
+++ b/erts/emulator/beam/erl_db.c
@@ -129,8 +129,6 @@ static Uint meta_main_tab_slot_mask; /* The slot index part of an unnamed tab
static Uint meta_main_tab_seq_incr;
static Uint meta_main_tab_seq_cnt = 0; /* To give unique(-ish) table identifiers */
-
-
/*
** The meta hash table of all NAMED ets tables
*/
@@ -202,12 +200,17 @@ static int free_table_cont(Process *p,
int first,
int clean_meta_tab);
static void print_table(int to, void *to_arg, int show, DbTable* tb);
-static BIF_RETTYPE ets_select_delete_1(Process *p, Eterm a1);
-static BIF_RETTYPE ets_select_count_1(Process *p, Eterm a1);
-static BIF_RETTYPE ets_select_trap_1(Process *p, Eterm a1);
-static BIF_RETTYPE ets_delete_trap(Process *p, Eterm a1);
+static BIF_RETTYPE ets_select_delete_1(BIF_ALIST_1);
+static BIF_RETTYPE ets_select_count_1(BIF_ALIST_1);
+static BIF_RETTYPE ets_select_trap_1(BIF_ALIST_1);
+static BIF_RETTYPE ets_delete_trap(BIF_ALIST_1);
static Eterm table_info(Process* p, DbTable* tb, Eterm What);
+static BIF_RETTYPE ets_select1(Process* p, Eterm arg1);
+static BIF_RETTYPE ets_select2(Process* p, Eterm arg1, Eterm arg2);
+static BIF_RETTYPE ets_select3(Process* p, Eterm arg1, Eterm arg2, Eterm arg3);
+
+
/*
* Exported global
*/
@@ -1295,8 +1298,13 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2)
UWord heir_data;
Uint32 status;
Sint keypos;
- int is_named, is_fine_locked, frequent_read, is_compressed;
+ int is_named, is_compressed;
+#ifdef ERTS_SMP
+ int is_fine_locked, frequent_read;
+#endif
+#ifdef DEBUG
int cret;
+#endif
DeclareTmpHeap(meta_tuple,3,BIF_P);
DbTableMethod* meth;
erts_smp_rwmtx_t *mmtl;
@@ -1311,8 +1319,10 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2)
status = DB_NORMAL | DB_SET | DB_PROTECTED;
keypos = 1;
is_named = 0;
+#ifdef ERTS_SMP
is_fine_locked = 0;
frequent_read = 0;
+#endif
heir = am_none;
heir_data = (UWord) am_undefined;
is_compressed = erts_ets_always_compress;
@@ -1341,18 +1351,31 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2)
keypos = signed_val(tp[2]);
}
else if (tp[1] == am_write_concurrency) {
+#ifdef ERTS_SMP
if (tp[2] == am_true) {
is_fine_locked = 1;
} else if (tp[2] == am_false) {
is_fine_locked = 0;
} else break;
+#else
+ if ((tp[2] != am_true) && (tp[2] != am_false)) {
+ break;
+ }
+#endif
}
else if (tp[1] == am_read_concurrency) {
+#ifdef ERTS_SMP
if (tp[2] == am_true) {
frequent_read = 1;
} else if (tp[2] == am_false) {
frequent_read = 0;
} else break;
+#else
+ if ((tp[2] != am_true) && (tp[2] != am_false)) {
+ break;
+ }
+#endif
+
}
else if (tp[1] == am_heir && tp[2] == am_none) {
heir = am_none;
@@ -1392,11 +1415,11 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2)
}
if (IS_HASH_TABLE(status)) {
meth = &db_hash;
- #ifdef ERTS_SMP
+#ifdef ERTS_SMP
if (is_fine_locked && !(status & DB_PRIVATE)) {
status |= DB_FINE_LOCKED;
}
- #endif
+#endif
}
else if (IS_TREE_TABLE(status)) {
meth = &db_tree;
@@ -1444,7 +1467,10 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2)
tb->common.fixations = NULL;
tb->common.compress = is_compressed;
- cret = meth->db_create(BIF_P, tb);
+#ifdef DEBUG
+ cret =
+#endif
+ meth->db_create(BIF_P, tb);
ASSERT(cret == DB_ERROR_NONE);
erts_smp_spin_lock(&meta_main_tab_main_lock);
@@ -1941,8 +1967,10 @@ BIF_RETTYPE ets_delete_object_2(BIF_ALIST_2)
/*
** This is for trapping, cannot be called directly.
*/
-static BIF_RETTYPE ets_select_delete_1(Process *p, Eterm a1)
+static BIF_RETTYPE ets_select_delete_1(BIF_ALIST_1)
{
+ Process *p = BIF_P;
+ Eterm a1 = BIF_ARG_1;
BIF_RETTYPE result;
DbTable* tb;
int cret;
@@ -2108,7 +2136,7 @@ BIF_RETTYPE ets_slot_2(BIF_ALIST_2)
BIF_RETTYPE ets_match_1(BIF_ALIST_1)
{
- return ets_select_1(BIF_P, BIF_ARG_1);
+ return ets_select1(BIF_P, BIF_ARG_1);
}
BIF_RETTYPE ets_match_2(BIF_ALIST_2)
@@ -2124,7 +2152,7 @@ BIF_RETTYPE ets_match_2(BIF_ALIST_2)
ms = TUPLE3(hp, BIF_ARG_2, NIL, ms);
hp += 4;
ms = CONS(hp, ms, NIL);
- res = ets_select_2(BIF_P, BIF_ARG_1, ms);
+ res = ets_select2(BIF_P, BIF_ARG_1, ms);
UnUseTmpHeap(8,BIF_P);
return res;
}
@@ -2142,7 +2170,7 @@ BIF_RETTYPE ets_match_3(BIF_ALIST_3)
ms = TUPLE3(hp, BIF_ARG_2, NIL, ms);
hp += 4;
ms = CONS(hp, ms, NIL);
- res = ets_select_3(BIF_P, BIF_ARG_1, ms, BIF_ARG_3);
+ res = ets_select3(BIF_P, BIF_ARG_1, ms, BIF_ARG_3);
UnUseTmpHeap(8,BIF_P);
return res;
}
@@ -2150,6 +2178,12 @@ BIF_RETTYPE ets_match_3(BIF_ALIST_3)
BIF_RETTYPE ets_select_3(BIF_ALIST_3)
{
+ return ets_select3(BIF_P, BIF_ARG_1, BIF_ARG_2, BIF_ARG_3);
+}
+
+static BIF_RETTYPE
+ets_select3(Process* p, Eterm arg1, Eterm arg2, Eterm arg3)
+{
BIF_RETTYPE result;
DbTable* tb;
int cret;
@@ -2160,22 +2194,22 @@ BIF_RETTYPE ets_select_3(BIF_ALIST_3)
CHECK_TABLES();
/* Chunk size strictly greater than 0 */
- if (is_not_small(BIF_ARG_3) || (chunk_size = signed_val(BIF_ARG_3)) <= 0) {
- BIF_ERROR(BIF_P, BADARG);
+ if (is_not_small(arg3) || (chunk_size = signed_val(arg3)) <= 0) {
+ BIF_ERROR(p, BADARG);
}
- if ((tb = db_get_table(BIF_P, BIF_ARG_1, DB_READ, LCK_READ)) == NULL) {
- BIF_ERROR(BIF_P, BADARG);
+ if ((tb = db_get_table(p, arg1, DB_READ, LCK_READ)) == NULL) {
+ BIF_ERROR(p, BADARG);
}
- safety = ITERATION_SAFETY(BIF_P,tb);
+ safety = ITERATION_SAFETY(p,tb);
if (safety == ITER_UNSAFE) {
local_fix_table(tb);
}
- cret = tb->common.meth->db_select_chunk(BIF_P, tb,
- BIF_ARG_2, chunk_size,
+ cret = tb->common.meth->db_select_chunk(p, tb,
+ arg2, chunk_size,
0 /* not reversed */,
&ret);
- if (DID_TRAP(BIF_P,ret) && safety != ITER_SAFE) {
- fix_table_locked(BIF_P, tb);
+ if (DID_TRAP(p,ret) && safety != ITER_SAFE) {
+ fix_table_locked(p, tb);
}
if (safety == ITER_UNSAFE) {
local_unfix_table(tb);
@@ -2187,22 +2221,24 @@ BIF_RETTYPE ets_select_3(BIF_ALIST_3)
ERTS_BIF_PREP_RET(result, ret);
break;
case DB_ERROR_SYSRES:
- ERTS_BIF_PREP_ERROR(result, BIF_P, SYSTEM_LIMIT);
+ ERTS_BIF_PREP_ERROR(result, p, SYSTEM_LIMIT);
break;
default:
- ERTS_BIF_PREP_ERROR(result, BIF_P, BADARG);
+ ERTS_BIF_PREP_ERROR(result, p, BADARG);
break;
}
- erts_match_set_release_result(BIF_P);
+ erts_match_set_release_result(p);
return result;
}
/* We get here instead of in the real BIF when trapping */
-static BIF_RETTYPE ets_select_trap_1(Process *p, Eterm a1)
+static BIF_RETTYPE ets_select_trap_1(BIF_ALIST_1)
{
+ Process *p = BIF_P;
+ Eterm a1 = BIF_ARG_1;
BIF_RETTYPE result;
DbTable* tb;
int cret;
@@ -2247,6 +2283,11 @@ static BIF_RETTYPE ets_select_trap_1(Process *p, Eterm a1)
BIF_RETTYPE ets_select_1(BIF_ALIST_1)
{
+ return ets_select1(BIF_P, BIF_ARG_1);
+}
+
+static BIF_RETTYPE ets_select1(Process *p, Eterm arg1)
+{
BIF_RETTYPE result;
DbTable* tb;
int cret;
@@ -2260,28 +2301,27 @@ BIF_RETTYPE ets_select_1(BIF_ALIST_1)
* Make sure that the table exists.
*/
- if (!is_tuple(BIF_ARG_1)) {
- if (BIF_ARG_1 == am_EOT) {
+ if (!is_tuple(arg1)) {
+ if (arg1 == am_EOT) {
BIF_RET(am_EOT);
}
- BIF_ERROR(BIF_P, BADARG);
+ BIF_ERROR(p, BADARG);
}
- tptr = tuple_val(BIF_ARG_1);
+ tptr = tuple_val(arg1);
if (arityval(*tptr) < 1 ||
- (tb = db_get_table(BIF_P, tptr[1], DB_READ, LCK_READ)) == NULL) {
- BIF_ERROR(BIF_P, BADARG);
+ (tb = db_get_table(p, tptr[1], DB_READ, LCK_READ)) == NULL) {
+ BIF_ERROR(p, BADARG);
}
- safety = ITERATION_SAFETY(BIF_P,tb);
+ safety = ITERATION_SAFETY(p,tb);
if (safety == ITER_UNSAFE) {
local_fix_table(tb);
}
- cret = tb->common.meth->db_select_continue(BIF_P,tb,
- BIF_ARG_1, &ret);
+ cret = tb->common.meth->db_select_continue(p,tb, arg1, &ret);
- if (DID_TRAP(BIF_P,ret) && safety != ITER_SAFE) {
- fix_table_locked(BIF_P, tb);
+ if (DID_TRAP(p,ret) && safety != ITER_SAFE) {
+ fix_table_locked(p, tb);
}
if (safety == ITER_UNSAFE) {
local_unfix_table(tb);
@@ -2293,20 +2333,26 @@ BIF_RETTYPE ets_select_1(BIF_ALIST_1)
ERTS_BIF_PREP_RET(result, ret);
break;
case DB_ERROR_SYSRES:
- ERTS_BIF_PREP_ERROR(result, BIF_P, SYSTEM_LIMIT);
+ ERTS_BIF_PREP_ERROR(result, p, SYSTEM_LIMIT);
break;
default:
- ERTS_BIF_PREP_ERROR(result, BIF_P, BADARG);
+ ERTS_BIF_PREP_ERROR(result, p, BADARG);
break;
}
- erts_match_set_release_result(BIF_P);
+ erts_match_set_release_result(p);
return result;
}
BIF_RETTYPE ets_select_2(BIF_ALIST_2)
{
+ return ets_select2(BIF_P, BIF_ARG_1, BIF_ARG_2);
+}
+
+static BIF_RETTYPE
+ets_select2(Process* p, Eterm arg1, Eterm arg2)
+{
BIF_RETTYPE result;
DbTable* tb;
int cret;
@@ -2319,19 +2365,19 @@ BIF_RETTYPE ets_select_2(BIF_ALIST_2)
* Make sure that the table exists.
*/
- if ((tb = db_get_table(BIF_P, BIF_ARG_1, DB_READ, LCK_READ)) == NULL) {
- BIF_ERROR(BIF_P, BADARG);
+ if ((tb = db_get_table(p, arg1, DB_READ, LCK_READ)) == NULL) {
+ BIF_ERROR(p, BADARG);
}
- safety = ITERATION_SAFETY(BIF_P,tb);
+ safety = ITERATION_SAFETY(p,tb);
if (safety == ITER_UNSAFE) {
local_fix_table(tb);
}
- cret = tb->common.meth->db_select(BIF_P, tb, BIF_ARG_2,
+ cret = tb->common.meth->db_select(p, tb, arg2,
0, &ret);
- if (DID_TRAP(BIF_P,ret) && safety != ITER_SAFE) {
- fix_table_locked(BIF_P, tb);
+ if (DID_TRAP(p,ret) && safety != ITER_SAFE) {
+ fix_table_locked(p, tb);
}
if (safety == ITER_UNSAFE) {
local_unfix_table(tb);
@@ -2343,21 +2389,23 @@ BIF_RETTYPE ets_select_2(BIF_ALIST_2)
ERTS_BIF_PREP_RET(result, ret);
break;
case DB_ERROR_SYSRES:
- ERTS_BIF_PREP_ERROR(result, BIF_P, SYSTEM_LIMIT);
+ ERTS_BIF_PREP_ERROR(result, p, SYSTEM_LIMIT);
break;
default:
- ERTS_BIF_PREP_ERROR(result, BIF_P, BADARG);
+ ERTS_BIF_PREP_ERROR(result, p, BADARG);
break;
}
- erts_match_set_release_result(BIF_P);
+ erts_match_set_release_result(p);
return result;
}
/* We get here instead of in the real BIF when trapping */
-static BIF_RETTYPE ets_select_count_1(Process *p, Eterm a1)
+static BIF_RETTYPE ets_select_count_1(BIF_ALIST_1)
{
+ Process *p = BIF_P;
+ Eterm a1 = BIF_ARG_1;
BIF_RETTYPE result;
DbTable* tb;
int cret;
@@ -2498,7 +2546,7 @@ BIF_RETTYPE ets_select_reverse_3(BIF_ALIST_3)
BIF_RETTYPE ets_select_reverse_1(BIF_ALIST_1)
{
- return ets_select_1(BIF_P, BIF_ARG_1);
+ return ets_select1(BIF_P, BIF_ARG_1);
}
BIF_RETTYPE ets_select_reverse_2(BIF_ALIST_2)
@@ -2552,7 +2600,7 @@ BIF_RETTYPE ets_select_reverse_2(BIF_ALIST_2)
*/
BIF_RETTYPE ets_match_object_1(BIF_ALIST_1)
{
- return ets_select_1(BIF_P, BIF_ARG_1);
+ return ets_select1(BIF_P, BIF_ARG_1);
}
BIF_RETTYPE ets_match_object_2(BIF_ALIST_2)
@@ -2568,7 +2616,7 @@ BIF_RETTYPE ets_match_object_2(BIF_ALIST_2)
ms = TUPLE3(hp, BIF_ARG_2, NIL, ms);
hp += 4;
ms = CONS(hp, ms, NIL);
- res = ets_select_2(BIF_P, BIF_ARG_1, ms);
+ res = ets_select2(BIF_P, BIF_ARG_1, ms);
UnUseTmpHeap(8,BIF_P);
return res;
}
@@ -2586,7 +2634,7 @@ BIF_RETTYPE ets_match_object_3(BIF_ALIST_3)
ms = TUPLE3(hp, BIF_ARG_2, NIL, ms);
hp += 4;
ms = CONS(hp, ms, NIL);
- res = ets_select_3(BIF_P, BIF_ARG_1, ms, BIF_ARG_3);
+ res = ets_select3(BIF_P, BIF_ARG_1, ms, BIF_ARG_3);
UnUseTmpHeap(8,BIF_P);
return res;
}
@@ -2605,7 +2653,9 @@ BIF_RETTYPE ets_info_1(BIF_ALIST_1)
int i;
Eterm* hp;
/*Process* rp = NULL;*/
+ /* If/when we implement lockless private tables:
Eterm owner;
+ */
if ((tb = db_get_table(BIF_P, BIF_ARG_1, DB_INFO, LCK_READ)) == NULL) {
if (is_atom(BIF_ARG_1) || is_small(BIF_ARG_1)) {
@@ -2614,7 +2664,9 @@ BIF_RETTYPE ets_info_1(BIF_ALIST_1)
BIF_ERROR(BIF_P, BADARG);
}
+ /* If/when we implement lockless private tables:
owner = tb->common.owner;
+ */
/* If/when we implement lockless private tables:
if ((tb->common.status & DB_PRIVATE) && owner != BIF_P->id) {
@@ -3520,8 +3572,10 @@ static void free_heir_data(DbTable* tb)
#endif
}
-static BIF_RETTYPE ets_delete_trap(Process *p, Eterm cont)
+static BIF_RETTYPE ets_delete_trap(BIF_ALIST_1)
{
+ Process *p = BIF_P;
+ Eterm cont = BIF_ARG_1;
int trap;
Eterm* ptr = big_val(cont);
DbTable *tb = *((DbTable **) (UWord) (ptr + 1));
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 22:56:13 +0000