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 task_struct *task, 15 bool cancel_all); 16void 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 task_struct *task, bool cancel_all) 27{ 28 return false; 29} 30static inline void io_futex_cache_init(struct io_ring_ctx *ctx) 31{ 32} 33static inline void io_futex_cache_free(struct io_ring_ctx *ctx) 34{ 35} 36#endif 37