mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2025-12-23 04:40:09 +01:00
7dfd54cf4a
For hot path, there is only need to a load instruction to load if initialized are true now, So the extra cost is minimal. Signed-off-by: Yonggang Luo <luoyonggang@gmail.com> Acked-by: Marek Olšák <marek.olsak@amd.com> Reviewed-by: Chia-I Wu <olvaffe@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18323>
33 lines
566 B
C
33 lines
566 B
C
/*
|
|
* Copyright 2022 Yonggang Luo
|
|
* SPDX-License-Identifier: MIT
|
|
*
|
|
*/
|
|
|
|
#include "simple_mtx.h"
|
|
|
|
#if !UTIL_FUTEX_SUPPORTED
|
|
|
|
void _simple_mtx_plain_init_once(simple_mtx_t *mtx)
|
|
{
|
|
mtx_init(&mtx->mtx, mtx_plain);
|
|
}
|
|
|
|
void
|
|
simple_mtx_init(simple_mtx_t *mtx, ASSERTED int type)
|
|
{
|
|
const util_once_flag flag = UTIL_ONCE_FLAG_INIT;
|
|
assert(type == mtx_plain);
|
|
mtx->flag = flag;
|
|
_simple_mtx_init_with_once(mtx);
|
|
}
|
|
|
|
void
|
|
simple_mtx_destroy(simple_mtx_t *mtx)
|
|
{
|
|
if (mtx->flag.called) {
|
|
mtx_destroy(&mtx->mtx);
|
|
}
|
|
}
|
|
|
|
#endif /* !UTIL_FUTEX_SUPPORTED */
|