On 10/5/10 7:09 AM, Vladislav Vaintroub wrote:
> #Atfile:///H:/bzr-new/mysql-5.5-bugteam/ based
> onrevid:vvaintroub@stripped
>
> 3092 Vladislav Vaintroub 2010-10-05
> Bug#55629 5.5.x goes into infinite loop and high cpu after
> error flushing io cache
>
> The reason for the error was incorrect return code from
> my_win_write() in case of error on 64 bit Windows.
>
> Error should be indicated by return code
> (size_t)-1 == 2^64 -1, but due to cast it was
> (DWORD)-1 = 2^32 -1
>
> The caller of this function would fail to recognize the error
> and continue looping.
>
> Fix is to return correct error code (size_t)-1 in case of error
> as expected by caller.
>
> Also minimal cleanup is done : my_win_write() now uses
> the same parameter checks as related functions (0 and
> overflow handling for count parameterr).
parameterr -> parameter
OK to push.
