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Fix a potential bug when using __sync_lock_test_and_set()

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TYPE __sync_lock_test_and_set (TYPE *ptr, TYPE value, ...)

it is not documented what happens if the two arguments are of different
type like it was before: the first one was lock_word_t (byte) and the
second one was 1 or 0 (int).

Approved by:	Marko (via IRC)
This commit is contained in:
Vasil Dimov 2010-09-30 13:26:18 +03:00
parent 3b0b15c5aa
commit d70cbd6c61
1 changed files with 1 additions and 1 deletions
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2
storage/innodb_plugin/include/os0sync.h
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@ -330,7 +330,7 @@ amount of increment. */
Returns the old value of *ptr, atomically sets *ptr to new_val */
# define os_atomic_test_and_set_byte(ptr, new_val) \
__sync_lock_test_and_set(ptr, new_val)
__sync_lock_test_and_set(ptr, (byte) new_val)
#elif defined(HAVE_IB_SOLARIS_ATOMICS)