[PATCH 0/1] MR242: configure: Include an atomic ordering parameter when checking __atomic_exchange_n() support.

[PATCH 1/1] configure: Include an atomic ordering parameter when checking __atomic_exchange_n() support.

[Conor McCarthy]

From: Conor McCarthy

---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index c69d87094..eb9feab17 100644
--- a/configure.ac
+++ b/configure.ac
@@ -143,7 +143,7 @@ VKD3D_CHECK_FUNC([HAVE_BUILTIN_ADD_OVERFLOW], [__builtin_add_overflow], [__built
 VKD3D_CHECK_FUNC([HAVE_SYNC_ADD_AND_FETCH], [__sync_add_and_fetch], [__sync_add_and_fetch((int *)0, 0)])
 VKD3D_CHECK_FUNC([HAVE_SYNC_SUB_AND_FETCH], [__sync_sub_and_fetch], [__sync_sub_and_fetch((int *)0, 0)])
 VKD3D_CHECK_FUNC([HAVE_SYNC_BOOL_COMPARE_AND_SWAP], [__sync_bool_compare_and_swap], [__sync_bool_compare_and_swap((int *)0, 0, 0)])
-VKD3D_CHECK_FUNC([HAVE_ATOMIC_EXCHANGE_N], [__atomic_exchange_n], [__atomic_exchange_n((int *)0, 0)])
+VKD3D_CHECK_FUNC([HAVE_ATOMIC_EXCHANGE_N], [__atomic_exchange_n], [__atomic_exchange_n((int *)0, 0, __ATOMIC_SEQ_CST)])

dnl Makefiles
 case $host_os in

[Giovanni Mascellani (＠giomasce)]

Makes sense to me, but in which context do you need this? I would mention that in the commit message.

[Zebediah Figura (＠zfigura)]

On Sun Jun 25 22:42:26 2023 +0000, Giovanni Mascellani wrote:
> Makes sense to me, but in which context do you need this? I would
> mention that in the commit message.

Not Conor, but I'm confused, what do you mean by context?