1// SPDX-License-Identifier: GPL-2.0
2
3#include "cancel.h"
4
5int io_futex_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
6int io_futexv_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
7int io_futex_wait(struct io_kiocb *req, unsigned int issue_flags);
8int io_futexv_wait(struct io_kiocb *req, unsigned int issue_flags);
9int io_futex_wake(struct io_kiocb *req, unsigned int issue_flags);
10
11#if defined(CONFIG_FUTEX)
12int io_futex_cancel(struct io_ring_ctx *ctx, struct io_cancel_data *cd,
13 unsigned int issue_flags);
14bool io_futex_remove_all(struct io_ring_ctx *ctx, struct io_uring_task *tctx,
15 bool cancel_all);
16bool io_futex_cache_init(struct io_ring_ctx *ctx);
17void io_futex_cache_free(struct io_ring_ctx *ctx);
18#else
19static inline int io_futex_cancel(struct io_ring_ctx *ctx,
20 struct io_cancel_data *cd,
21 unsigned int issue_flags)
22{
23 return 0;
24}
25static inline bool io_futex_remove_all(struct io_ring_ctx *ctx,
26 struct io_uring_task *tctx, bool cancel_all)
27{
28 return false;
29}
30static inline bool io_futex_cache_init(struct io_ring_ctx *ctx)
31{
32 return false;
33}
34static inline void io_futex_cache_free(struct io_ring_ctx *ctx)
35{
36}
37#endif
38