/*
 *  include/linux/eventfd.h
 *
 *  Copyright (C) 2007  Davide Libenzi <davidel@xmailserver.org>
 *
 */

#ifndef _LINUX_EVENTFD_H
#define _LINUX_EVENTFD_H

#include <linux/fcntl.h>
#include <linux/file.h>
#include <linux/wait.h>

/*
 * CAREFUL: Check include/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_SEMAPHORE (1 << 0)
#define EFD_CLOEXEC O_CLOEXEC
#define EFD_NONBLOCK O_NONBLOCK

#define EFD_SHARED_FCNTL_FLAGS (O_CLOEXEC | O_NONBLOCK)
#define EFD_FLAGS_SET (EFD_SHARED_FCNTL_FLAGS | EFD_SEMAPHORE)

#ifdef CONFIG_EVENTFD

struct file *eventfd_file_create(unsigned int count, int flags);
struct eventfd_ctx *eventfd_ctx_get(struct eventfd_ctx *ctx);
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);
int eventfd_signal(struct eventfd_ctx *ctx, int n);
ssize_t eventfd_ctx_read(struct eventfd_ctx *ctx, int no_wait, __u64 *cnt);
int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, wait_queue_t *wait,
				  __u64 *cnt);

#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 file *eventfd_file_create(unsigned int count, int flags)
{
	return ERR_PTR(-ENOSYS);
}

static inline struct eventfd_ctx *eventfd_ctx_fdget(int fd)
{
	return ERR_PTR(-ENOSYS);
}

static inline int eventfd_signal(struct eventfd_ctx *ctx, int n)
{
	return -ENOSYS;
}

static inline void eventfd_ctx_put(struct eventfd_ctx *ctx)
{

}

static inline ssize_t eventfd_ctx_read(struct eventfd_ctx *ctx, int no_wait,
				       __u64 *cnt)
{
	return -ENOSYS;
}

static inline int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx,
						wait_queue_t *wait, __u64 *cnt)
{
	return -ENOSYS;
}

#endif

#endif /* _LINUX_EVENTFD_H */

0.y'>linux-2.6.30.y</option>
<option value='linux-2.6.31.y'>linux-2.6.31.y</option>
<option value='linux-2.6.32.y'>linux-2.6.32.y</option>
<option value='linux-2.6.33.y'>linux-2.6.33.y</option>
<option value='linux-2.6.34.y'>linux-2.6.34.y</option>
<option value='linux-2.6.35.y'>linux-2.6.35.y</option>
<option value='linux-2.6.36.y'>linux-2.6.36.y</option>
<option value='linux-2.6.37.y'>linux-2.6.37.y</option>
<option value='linux-2.6.38.y'>linux-2.6.38.y</option>
<option value='linux-2.6.39.y'>linux-2.6.39.y</option>
<option value='linux-3.0.y'>linux-3.0.y</option>
<option value='linux-3.1.y'>linux-3.1.y</option>
<option value='linux-3.10.y'>linux-3.10.y</option>
<option value='linux-3.11.y'>linux-3.11.y</option>
<option value='linux-3.12.y'>linux-3.12.y</option>
<option value='linux-3.13.y'>linux-3.13.y</option>
<option value='linux-3.14.y'>linux-3.14.y</option>
<option value='linux-3.15.y'>linux-3.15.y</option>
<option value='linux-3.16.y'>linux-3.16.y</option>
<option value='linux-3.17.y'>linux-3.17.y</option>
<option value='linux-3.18.y'>linux-3.18.y</option>
<option value='linux-3.19.y'>linux-3.19.y</option>
<option value='linux-3.2.y'>linux-3.2.y</option>
<option value='linux-3.3.y'>linux-3.3.y</option>
<option value='linux-3.4.y'>linux-3.4.y</option>
<option value='linux-3.5.y'>linux-3.5.y</option>
<option value='linux-3.6.y'>linux-3.6.y</option>
<option value='linux-3.7.y'>linux-3.7.y</option>
<option value='linux-3.8.y'>linux-3.8.y</option>
<option value='linux-3.9.y'>linux-3.9.y</option>
<option value='linux-4.0.y'>linux-4.0.y</option>
<option value='linux-4.1.y'>linux-4.1.y</option>
<option value='linux-4.10.y'>linux-4.10.y</option>
<option value='linux-4.11.y'>linux-4.11.y</option>
<option value='linux-4.12.y'>linux-4.12.y</option>
<option value='linux-4.13.y'>linux-4.13.y</option>
<option value='linux-4.14.y'>linux-4.14.y</option>
<option value='linux-4.15.y'>linux-4.15.y</option>
<option value='linux-4.16.y'>linux-4.16.y</option>
<option value='linux-4.17.y'>linux-4.17.y</option>
<option value='linux-4.18.y'>linux-4.18.y</option>
<option value='linux-4.19.y'>linux-4.19.y</option>
<option value='linux-4.2.y'>linux-4.2.y</option>
<option value='linux-4.20.y'>linux-4.20.y</option>
<option value='linux-4.3.y'>linux-4.3.y</option>
<option value='linux-4.4.y'>linux-4.4.y</option>
<option value='linux-4.5.y'>linux-4.5.y</option>
<option value='linux-4.6.y'>linux-4.6.y</option>
<option value='linux-4.7.y'>linux-4.7.y</option>
<option value='linux-4.8.y'>linux-4.8.y</option>
<option value='linux-4.9.y'>linux-4.9.y</option>
<option value='linux-5.0.y'>linux-5.0.y</option>
<option value='linux-5.1.y'>linux-5.1.y</option>
<option value='linux-5.10.y'>linux-5.10.y</option>
<option value='linux-5.11.y'>linux-5.11.y</option>
<option value='linux-5.12.y'>linux-5.12.y</option>
<option value='linux-5.13.y'>linux-5.13.y</option>
<option value='linux-5.14.y'>linux-5.14.y</option>
<option value='linux-5.15.y'>linux-5.15.y</option>
<option value='linux-5.16.y'>linux-5.16.y</option>
<option value='linux-5.17.y'>linux-5.17.y</option>
<option value='linux-5.18.y'>linux-5.18.y</option>
<option value='linux-5.19.y'>linux-5.19.y</option>
<option value='linux-5.2.y'>linux-5.2.y</option>
<option value='linux-5.3.y'>linux-5.3.y</option>
<option value='linux-5.4.y'>linux-5.4.y</option>
<option value='linux-5.5.y'>linux-5.5.y</option>
<option value='linux-5.6.y'>linux-5.6.y</option>
<option value='linux-5.7.y'>linux-5.7.y</option>
<option value='linux-5.8.y'>linux-5.8.y</option>
<option value='linux-5.9.y'>linux-5.9.y</option>
<option value='linux-6.0.y'>linux-6.0.y</option>
<option value='linux-6.1.y'>linux-6.1.y</option>
<option value='linux-6.10.y'>linux-6.10.y</option>
<option value='linux-6.11.y'>linux-6.11.y</option>
<option value='linux-6.12.y'>linux-6.12.y</option>
<option value='linux-6.13.y'>linux-6.13.y</option>
<option value='linux-6.14.y'>linux-6.14.y</option>
<option value='linux-6.15.y'>linux-6.15.y</option>
<option value='linux-6.16.y'>linux-6.16.y</option>
<option value='linux-6.17.y'>linux-6.17.y</option>
<option value='linux-6.18.y'>linux-6.18.y</option>
<option value='linux-6.19.y'>linux-6.19.y</option>
<option value='linux-6.2.y'>linux-6.2.y</option>
<option value='linux-6.3.y'>linux-6.3.y</option>
<option value='linux-6.4.y'>linux-6.4.y</option>
<option value='linux-6.5.y'>linux-6.5.y</option>
<option value='linux-6.6.y'>linux-6.6.y</option>
<option value='linux-6.7.y'>linux-6.7.y</option>
<option value='linux-6.8.y'>linux-6.8.y</option>
<option value='linux-6.9.y'>linux-6.9.y</option>
<option value='linux-rolling-lts'>linux-rolling-lts</option>
<option value='linux-rolling-stable'>linux-rolling-stable</option>
<option value='master'>master</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Hosts the 0x221E linux distro kernel.</td><td class='sub right'>Ubuntu</td></tr></table>
<table class='tabs'><tr><td>
<a href='/distro/kernel/'>summary</a><a href='/distro/kernel/refs/?id=5b7c4cabbb65f5c469464da6c5f614cbd7f730f2'>refs</a><a class='active' href='/distro/kernel/log/drivers/net/wireless/realtek/rtlwifi/rtl8192de/reg.h'>log</a><a href='/distro/kernel/tree/drivers/net/wireless/realtek/rtlwifi/rtl8192de/reg.h?id=5b7c4cabbb65f5c469464da6c5f614cbd7f730f2'>tree</a><a href='/distro/kernel/commit/drivers/net/wireless/realtek/rtlwifi/rtl8192de/reg.h?id=5b7c4cabbb65f5c469464da6c5f614cbd7f730f2'>commit</a><a href='/distro/kernel/diff/drivers/net/wireless/realtek/rtlwifi/rtl8192de/reg.h?id=5b7c4cabbb65f5c469464da6c5f614cbd7f730f2'>diff</a></td><td class='form'><form class='right' method='get' action='/distro/kernel/log/drivers/net/wireless/realtek/rtlwifi/rtl8192de/reg.h'>
<input type='hidden' name='id' value='5b7c4cabbb65f5c469464da6c5f614cbd7f730f2'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/distro/kernel/log/?id=5b7c4cabbb65f5c469464da6c5f614cbd7f730f2'>root</a>/<a href='/distro/kernel/log/drivers?id=5b7c4cabbb65f5c469464da6c5f614cbd7f730f2'>drivers</a>/<a href='/distro/kernel/log/drivers/net?id=5b7c4cabbb65f5c469464da6c5f614cbd7f730f2'>net</a>/<a href='/distro/kernel/log/drivers/net/wireless?id=5b7c4cabbb65f5c469464da6c5f614cbd7f730f2'>wireless</a>/<a href='/distro/kernel/log/drivers/net/wireless/realtek?id=5b7c4cabbb65f5c469464da6c5f614cbd7f730f2'>realtek</a>/<a href='/distro/kernel/log/drivers/net/wireless/realtek/rtlwifi?id=5b7c4cabbb65f5c469464da6c5f614cbd7f730f2'>rtlwifi</a>/<a href='/distro/kernel/log/drivers/net/wireless/realtek/rtlwifi/rtl8192de?id=5b7c4cabbb65f5c469464da6c5f614cbd7f730f2'>rtl8192de</a>/<a href='/distro/kernel/log/drivers/net/wireless/realtek/rtlwifi/rtl8192de/reg.h?id=5b7c4cabbb65f5c469464da6c5f614cbd7f730f2'>reg.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/distro/kernel/log/drivers/net/wireless/realtek/rtlwifi/rtl8192de/reg.h?id=5b7c4cabbb65f5c469464da6c5f614cbd7f730f2&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-02-19 17:03:00 +0200'>2019-02-19</span></td><td><a href='/distro/kernel/commit/drivers/net/wireless/realtek/rtlwifi/rtl8192de/reg.h?id=b83faeda028bf361db9c796396e710d5fb1337b0'>rtlwifi: rtl8188de: Remove CamelCase variables</a></td><td>Larry Finger</td></tr>
<tr><td><span title='2019-02-19 17:00:08 +0200'>2019-02-19</span></td><td><a href='/distro/kernel/commit/drivers/net/wireless/realtek/rtlwifi/rtl8192de/reg.h?id=5bd4f692e0eba585674c58f68b8ff62c21468a2f'>rtlwifi: rtl8192de: Replace old-style license information</a></td><td>Larry Finger</td></tr>
;id=271225fd57c2f1e0b3f8826df51be6c634affefe'>ixgbe: Document how to enable NBASE-T support</a></td><td>Robert Schlabbach</td></tr>
<tr><td><span title='2020-06-26 16:08:44 -0700'>2020-06-26</span></td><td><a href='/distro/kernel/commit/Documentation/networking/device_drivers/ethernet/intel/ixgbe.rst?h=linux-6.12.y&amp;id=132db93572821ec2fdf81e354cc40f558faf7e4f'>docs: networking: reorganize driver documentation again</a></td><td>Jakub Kicinski</td></tr>