[PATCH v2] Cygwin: pthread: Fix a race issue introduced by the commit 2c5433e5da82

[Ken Brown]

Hi Takashi,

On 6/1/2024 10:18 AM, Takashi Yano via Cygwin wrote:
> int
> pthread::once (pthread_once_t *once_control, void (*init_routine) (void))
> {
>    /* Sign bit of once_control->state is used as done flag.
>       Similary, the next significant bit is used as destroyed flag. */

         Typo: Similarly

>    const int done = INT_MIN;		/* 0b1000000000000000 */
>    const int destroyed = INT_MIN >> 1;	/* 0b1100000000000000 */

Shouldn't the constants in the comments have 32 bits?  Other than that, 
LGTM.  (But you should wait for Bruno to confirm before you commit.)

Ken