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