Yesterday I did:
> * lib/windows-once.h (glwthread_once_t): Add field 'num_threads'.
> (GLWTHREAD_ONCE_INIT): Initialize it to zero.
> * lib/windows-once.c (glwthread_once): Increment num_threads while the
> thread uses the lock. Let the last thread that uses the lock destro
On 2024-05-28 I did:
> * lib/pthread-once.c (pthread_once): Add an implementation for Cygwin.
Unfortunately this implementation had a race condition. All of the three
programs
test-call_once2
test-lock
test-pthread-once2
fail with a probability between ca. 10% and 20%. Among 50 consecu
Basil L. Contovounesios wrote:
> Isn't this saying that C23 [[reproducible]] is stricter than GCC pure?
> https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2956.htm#some-differences-with-gcc-const-and-pure
Yes: [1], section "Note on GCC attributes", also claims that "pure is more
relaxed than [[re
Paul Eggert [2024-05-28 08:37 -0700] wrote:
> + can depend on observable state. It is stricter than
> + _GL_ATTRIBUTE_REPRODUCIBLE because the function must return exactly
> + once and cannot affect state addressed by its arguments.) */
> /* Applies to: functions. */
> #ifndef _GL_ATTRI
