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Add witness_assert_depth[_to_rank]().

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This makes it possible to make lock state assertions about precisely
which locks are held.
This commit is contained in:
Jason Evans 2017-01-21 15:12:03 -08:00
parent 7034e6baa1
commit f56cb9a68e
7 changed files with 141 additions and 107 deletions
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4
src/arena.c
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@ -591,7 +591,7 @@ arena_chunk_alloc_internal_hard(tsdn_t *tsdn, arena_t *arena,
size_t sn;
malloc_mutex_unlock(tsdn, &arena->lock);
witness_assert_lock_depth(tsdn, 0); /* prof_gdump() requirement. */
witness_assert_lockless(tsdn); /* prof_gdump() requirement. */
chunk = (arena_chunk_t *)chunk_alloc_wrapper(tsdn, arena, chunk_hooks,
NULL, chunksize, chunksize, &sn, zero, commit);
@ -633,7 +633,7 @@ arena_chunk_alloc_internal(tsdn_t *tsdn, arena_t *arena, bool *zero,
size_t sn;
/* prof_gdump() requirement. */
witness_assert_lock_depth(tsdn, 1);
witness_assert_depth(tsdn, 1);
malloc_mutex_assert_owner(tsdn, &arena->lock);
chunk = chunk_alloc_cache(tsdn, arena, &chunk_hooks, NULL, chunksize,