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ntdll: Handle unaligned SRW locks when using keyed events. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-04-13 18:09:44 -05:00 committed by Alexandre Julliard
parent aceff21022
commit 28619e6035
1 changed files with 4 additions and 4 deletions
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8
dlls/ntdll/sync.c
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@ -1985,11 +1985,11 @@ static NTSTATUS fast_release_srw_shared( RTL_SRWLOCK *lock )
#define SRWLOCK_RES_SHARED 0x00000001
#ifdef WORDS_BIGENDIAN
#define srwlock_key_exclusive(lock) (&lock->Ptr)
#define srwlock_key_shared(lock) ((void *)((char *)&lock->Ptr + 2))
#define srwlock_key_exclusive(lock) ((void *)(((ULONG_PTR)&lock->Ptr + 1) & ~1))
#define srwlock_key_shared(lock) ((void *)(((ULONG_PTR)&lock->Ptr + 3) & ~1))
#else
#define srwlock_key_exclusive(lock) ((void *)((char *)&lock->Ptr + 2))
#define srwlock_key_shared(lock) (&lock->Ptr)
#define srwlock_key_exclusive(lock) ((void *)(((ULONG_PTR)&lock->Ptr + 3) & ~1))
#define srwlock_key_shared(lock) ((void *)(((ULONG_PTR)&lock->Ptr + 1) & ~1))
#endif
static inline void srwlock_check_invalid( unsigned int val )