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authorRickard Green <[email protected]>2010-12-14 10:08:09 +0100
committerRickard Green <[email protected]>2010-12-15 14:59:16 +0100
commit8fd096c27180ab22ee381609ba3d9c91c4ee735b (patch)
tree1845bc402c1d0366c6aee83c6dba1806d28e9160 /erts/emulator/beam/erl_db_hash.c
parent72539e5d9cf819a396b3340668074558f66891f4 (diff)
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Use new atomic types in emulator
Diffstat (limited to 'erts/emulator/beam/erl_db_hash.c')
-rw-r--r--erts/emulator/beam/erl_db_hash.c38
1 files changed, 20 insertions, 18 deletions
diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c
index 14ee63100a..1e50fee554 100644
--- a/erts/emulator/beam/erl_db_hash.c
+++ b/erts/emulator/beam/erl_db_hash.c
@@ -135,8 +135,8 @@ static ERTS_INLINE Uint hash_to_ix(DbTableHash* tb, HashValue hval)
*/
static ERTS_INLINE void add_fixed_deletion(DbTableHash* tb, int ix)
{
- long was_next;
- long exp_next;
+ erts_aint_t was_next;
+ erts_aint_t exp_next;
FixedDeletion* fixd = (FixedDeletion*) erts_db_alloc(ERTS_ALC_T_DB_FIX_DEL,
(DbTable *) tb,
sizeof(FixedDeletion));
@@ -146,7 +146,9 @@ static ERTS_INLINE void add_fixed_deletion(DbTableHash* tb, int ix)
do { /* Lockless atomic insertion in linked list: */
exp_next = was_next;
fixd->next = (FixedDeletion*) exp_next;
- was_next = erts_smp_atomic_cmpxchg(&tb->fixdel, (long)fixd, exp_next);
+ was_next = erts_smp_atomic_cmpxchg(&tb->fixdel,
+ (erts_aint_t) fixd,
+ exp_next);
}while (was_next != exp_next);
}
@@ -541,12 +543,12 @@ static void restore_fixdel(DbTableHash* tb, FixedDeletion* fixdel)
{
/*int tries = 0;*/
DEBUG_WAIT();
- if (erts_smp_atomic_cmpxchg(&tb->fixdel, (long)fixdel,
- (long)NULL) != (long)NULL) {
+ if (erts_smp_atomic_cmpxchg(&tb->fixdel, (erts_aint_t)fixdel,
+ (erts_aint_t)NULL) != (erts_aint_t)NULL) {
/* Oboy, must join lists */
FixedDeletion* last = fixdel;
- long was_tail;
- long exp_tail;
+ erts_aint_t was_tail;
+ erts_aint_t exp_tail;
while (last->next != NULL) last = last->next;
was_tail = erts_smp_atomic_read(&tb->fixdel);
@@ -555,7 +557,7 @@ static void restore_fixdel(DbTableHash* tb, FixedDeletion* fixdel)
last->next = (FixedDeletion*) exp_tail;
/*++tries;*/
DEBUG_WAIT();
- was_tail = erts_smp_atomic_cmpxchg(&tb->fixdel, (long)fixdel,
+ was_tail = erts_smp_atomic_cmpxchg(&tb->fixdel, (erts_aint_t)fixdel,
exp_tail);
}while (was_tail != exp_tail);
}
@@ -573,7 +575,7 @@ void db_unfix_table_hash(DbTableHash *tb)
|| (erts_smp_lc_rwmtx_is_rlocked(&tb->common.rwlock)
&& !tb->common.is_thread_safe));
restart:
- fixdel = (FixedDeletion*) erts_smp_atomic_xchg(&tb->fixdel, (long)NULL);
+ fixdel = (FixedDeletion*) erts_smp_atomic_xchg(&tb->fixdel, (erts_aint_t)NULL);
while (fixdel != NULL) {
FixedDeletion *fx = fixdel;
int ix = fx->slot;
@@ -642,8 +644,8 @@ int db_create_hash(Process *p, DbTable *tbl)
erts_smp_atomic_init(&tb->szm, SEGSZ_MASK);
erts_smp_atomic_init(&tb->nactive, SEGSZ);
- erts_smp_atomic_init(&tb->fixdel, (long)NULL);
- erts_smp_atomic_init(&tb->segtab, (long) alloc_ext_seg(tb,0,NULL)->segtab);
+ erts_smp_atomic_init(&tb->fixdel, (erts_aint_t)NULL);
+ erts_smp_atomic_init(&tb->segtab, (erts_aint_t) alloc_ext_seg(tb,0,NULL)->segtab);
tb->nsegs = NSEG_1;
tb->nslots = SEGSZ;
@@ -1715,9 +1717,9 @@ static int db_select_delete_hash(Process *p,
Eterm mpb;
Eterm egot;
#ifdef ERTS_SMP
- int fixated_by_me = tb->common.is_thread_safe ? 0 : 1; /* ToDo: something nicer */
+ erts_aint_t fixated_by_me = tb->common.is_thread_safe ? 0 : 1; /* ToDo: something nicer */
#else
- int fixated_by_me = 0;
+ erts_aint_t fixated_by_me = 0;
#endif
erts_smp_rwmtx_t* lck;
@@ -2124,11 +2126,11 @@ static int db_free_table_continue_hash(DbTable *tbl)
sizeof(FixedDeletion));
ERTS_ETS_MISC_MEM_ADD(-sizeof(FixedDeletion));
if (++done >= 2*DELETE_RECORD_LIMIT) {
- erts_smp_atomic_set(&tb->fixdel, (long)fixdel);
+ erts_smp_atomic_set(&tb->fixdel, (erts_aint_t)fixdel);
return 0; /* Not done */
}
}
- erts_smp_atomic_set(&tb->fixdel, (long)NULL);
+ erts_smp_atomic_set(&tb->fixdel, (erts_aint_t)NULL);
done /= 2;
while(tb->nslots != 0) {
@@ -2345,7 +2347,7 @@ static int alloc_seg(DbTableHash *tb)
struct ext_segment* eseg;
eseg = (struct ext_segment*) SEGTAB(tb)[seg_ix-1];
MY_ASSERT(eseg!=NULL && eseg->s.is_ext_segment);
- erts_smp_atomic_set(&tb->segtab, (long) eseg->segtab);
+ erts_smp_atomic_set(&tb->segtab, (erts_aint_t) eseg->segtab);
tb->nsegs = eseg->nsegs;
}
ASSERT(seg_ix < tb->nsegs);
@@ -2417,7 +2419,7 @@ static int free_seg(DbTableHash *tb, int free_records)
MY_ASSERT(newtop->s.is_ext_segment);
if (newtop->prev_segtab != NULL) {
/* Time to use a smaller segtab */
- erts_smp_atomic_set(&tb->segtab, (long)newtop->prev_segtab);
+ erts_smp_atomic_set(&tb->segtab, (erts_aint_t)newtop->prev_segtab);
tb->nsegs = seg_ix;
ASSERT(tb->nsegs == EXTSEG(SEGTAB(tb))->nsegs);
}
@@ -2434,7 +2436,7 @@ static int free_seg(DbTableHash *tb, int free_records)
if (seg_ix > 0) {
if (seg_ix < tb->nsegs) SEGTAB(tb)[seg_ix] = NULL;
} else {
- erts_smp_atomic_set(&tb->segtab, (long)NULL);
+ erts_smp_atomic_set(&tb->segtab, (erts_aint_t)NULL);
}
#endif
tb->nslots -= SEGSZ;