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_futex_wait_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 7 int io_futexv_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 8 int io_futex_wait(struct io_kiocb *req, unsigned int issue_flags); 9 int io_futexv_wait(struct io_kiocb *req, unsigned int issue_flags); 10 int io_futex_wake(struct io_kiocb *req, unsigned int issue_flags); 11 12 #if defined(CONFIG_FUTEX) 13 int io_futex_cancel(struct io_ring_ctx *ctx, struct io_cancel_data *cd, 14 unsigned int issue_flags); 15 bool io_futex_remove_all(struct io_ring_ctx *ctx, struct io_uring_task *tctx, 16 bool cancel_all); 17 bool io_futex_cache_init(struct io_ring_ctx *ctx); 18 void io_futex_cache_free(struct io_ring_ctx *ctx); 19 #else 20 static inline int io_futex_cancel(struct io_ring_ctx *ctx, 21 struct io_cancel_data *cd, 22 unsigned int issue_flags) 23 { 24 return 0; 25 } 26 static inline bool io_futex_remove_all(struct io_ring_ctx *ctx, 27 struct io_uring_task *tctx, bool cancel_all) 28 { 29 return false; 30 } 31 static inline bool io_futex_cache_init(struct io_ring_ctx *ctx) 32 { 33 return false; 34 } 35 static inline void io_futex_cache_free(struct io_ring_ctx *ctx) 36 { 37 } 38 #endif 39