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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950// SPDX-License-Identifier: GPL-2.0
#include <linux/io_uring_types.h>
#define IO_POLL_ALLOC_CACHE_MAX 32
enum { IO_APOLL_OK, IO_APOLL_ABORTED, IO_APOLL_READY};
struct io_poll { struct file *file; struct wait_queue_head *head; __poll_t events; int retries; struct wait_queue_entry wait;};
struct async_poll { struct io_poll poll; struct io_poll *double_poll;};
/* * Must only be called inside issue_flags & IO_URING_F_MULTISHOT, or * potentially other cases where we already "own" this poll request. */static inline void io_poll_multishot_retry(struct io_kiocb *req){ atomic_inc(&req->poll_refs);}
int io_poll_add_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);int io_poll_add(struct io_kiocb *req, unsigned int issue_flags);
int io_poll_remove_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);int io_poll_remove(struct io_kiocb *req, unsigned int issue_flags);
struct io_cancel_data;int io_poll_cancel(struct io_ring_ctx *ctx, struct io_cancel_data *cd, unsigned issue_flags);int io_arm_apoll(struct io_kiocb *req, unsigned issue_flags, __poll_t mask);int io_arm_poll_handler(struct io_kiocb *req, unsigned issue_flags);bool io_poll_remove_all(struct io_ring_ctx *ctx, struct io_uring_task *tctx, bool cancel_all);
void io_poll_task_func(struct io_tw_req tw_req, io_tw_token_t tw);