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Add witness, a simple online locking validator.

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This resolves #358.
This commit is contained in:
Jason Evans 2016-04-13 23:36:15 -07:00
parent 8413463f3a
commit b2c0d6322d
33 changed files with 2118 additions and 1302 deletions
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20
src/tsd.c
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@ -106,15 +106,17 @@ MALLOC_TSD
}
}
bool
tsd_t *
malloc_tsd_boot0(void)
{
tsd_t *tsd;
ncleanups = 0;
if (tsd_boot0())
return (true);
*tsd_arenas_tdata_bypassp_get(tsd_fetch()) = true;
return (false);
return (NULL);
tsd = tsd_fetch();
*tsd_arenas_tdata_bypassp_get(tsd) = true;
return (tsd);
}
void
@ -169,10 +171,10 @@ tsd_init_check_recursion(tsd_init_head_t *head, tsd_init_block_t *block)
tsd_init_block_t *iter;
/* Check whether this thread has already inserted into the list. */
malloc_mutex_lock(&head->lock);
malloc_mutex_lock(NULL, &head->lock);
ql_foreach(iter, &head->blocks, link) {
if (iter->thread == self) {
malloc_mutex_unlock(&head->lock);
malloc_mutex_unlock(NULL, &head->lock);
return (iter->data);
}
}
@ -180,7 +182,7 @@ tsd_init_check_recursion(tsd_init_head_t *head, tsd_init_block_t *block)
ql_elm_new(block, link);
block->thread = self;
ql_tail_insert(&head->blocks, block, link);
malloc_mutex_unlock(&head->lock);
malloc_mutex_unlock(NULL, &head->lock);
return (NULL);
}
@ -188,8 +190,8 @@ void
tsd_init_finish(tsd_init_head_t *head, tsd_init_block_t *block)
{
malloc_mutex_lock(&head->lock);
malloc_mutex_lock(NULL, &head->lock);
ql_remove(&head->blocks, block, link);
malloc_mutex_unlock(&head->lock);
malloc_mutex_unlock(NULL, &head->lock);
}
#endif