0 ; [gi;/* SPDX-License-Identifier: GPL-2.0 */ /* * include/linux/eventfd.h * * Copyright (C) 2007 Davide Libenzi * */ #ifndef _LINUX_EVENTFD_H #define _LINUX_EVENTFD_H #include #include #include #include #include #include /* * CAREFUL: Check include/uapi/asm-generic/fcntl.h when defining * new flags, since they might collide with O_* ones. We want * to re-use O_* flags that couldn't possibly have a meaning * from eventfd, in order to leave a free define-space for * shared O_* flags. */ #define EFD_SHARED_FCNTL_FLAGS (O_CLOEXEC | O_NONBLOCK) #define EFD_FLAGS_SET (EFD_SHARED_FCNTL_FLAGS | EFD_SEMAPHORE) struct eventfd_ctx; struct file; #ifdef CONFIG_EVENTFD void eventfd_ctx_put(struct eventfd_ctx *ctx); struct file *eventfd_fget(int fd); struct eventfd_ctx *eventfd_ctx_fdget(int fd); struct eventfd_ctx *eventfd_ctx_fileget(struct file *file); void eventfd_signal_mask(struct eventfd_ctx *ctx, __poll_t mask); int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, wait_queue_entry_t *wait, __u64 *cnt); void eventfd_ctx_do_read(struct eventfd_ctx *ctx, __u64 *cnt); static inline bool eventfd_signal_allowed(void) { return !current->in_eventfd; } #else /* CONFIG_EVENTFD */ /* * Ugly ugly ugly error layer to support modules that uses eventfd but * pretend to work in !CONFIG_EVENTFD configurations. Namely, AIO. */ static inline struct eventfd_ctx *eventfd_ctx_fdget(int fd) { return ERR_PTR(-ENOSYS); } static inline void eventfd_signal_mask(struct eventfd_ctx *ctx, __poll_t mask) { } static inline void eventfd_ctx_put(struct eventfd_ctx *ctx) { } static inline int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, wait_queue_entry_t *wait, __u64 *cnt) { return -ENOSYS; } static inline bool eventfd_signal_allowed(void) { return true; } static inline void eventfd_ctx_do_read(struct eventfd_ctx *ctx, __u64 *cnt) { } #endif static inline void eventfd_signal(struct eventfd_ctx *ctx) { eventfd_signal_mask(ctx, 0); } #endif /* _LINUX_EVENTFD_H */ ==File not found. =#?l=J*h8pLi1h i?? A$$$#$3$F$3V$_()w,,,- ------+.;.#[.9..&../%/F>/@/#/#/0#0!>0`0 x0000 000+0(1;1;Q1,161%1.2F2[2%{222 2233"634Y3!3$3-34* 4+K4w444)4)4.50M5!~5'5!5+5+6<B6#6d6A79J7777A7C8B_8>8?87!92Y9#9!949?:8G:"::.:I:4;#Q;2u;;#;1;<<W<j<*<"< </<)=:G=$=@=/=+>D>>_>6>)>8><8?Fu?3??%@$*@IO@.@@5@qA)A:A$A'BRAB=B-B'C)(C*RC(}C'C@C(D#8D\D'lD2D?DE-E EE,F.F3JF%~F F(FFF G(%G9NG.G)G%GEH+MH=yH6HGH6I0UI7II5I(J38JAlJJ'J,J3K3IK}K5K'K5K,.L&[L:LLL.L=(MfMCxM'M"M N!(N7JN?NANVO[O>O+.P'ZP,P0PLP*-Q