Zephyr API Documentation
3.6.99
A Scalable Open Source RTOS
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eventfd.h
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/*
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* Copyright (c) 2020 Tobias Svehagen
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_POSIX_SYS_EVENTFD_H_
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#define ZEPHYR_INCLUDE_POSIX_SYS_EVENTFD_H_
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#include <
stdint.h
>
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#include <
zephyr/kernel.h
>
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#include <
zephyr/posix/fcntl.h
>
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#define EFD_IN_USE 0x1 __DEPRECATED_MACRO
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#define EFD_SEMAPHORE 0x2
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#define EFD_NONBLOCK O_NONBLOCK
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#define EFD_FLAGS_SET (EFD_SEMAPHORE | EFD_NONBLOCK) __DEPRECATED_MACRO
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typedef
uint64_t
eventfd_t
;
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int
eventfd
(
unsigned
int
initval,
int
flags
);
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int
eventfd_read
(
int
fd,
eventfd_t
*value);
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int
eventfd_write
(
int
fd,
eventfd_t
value);
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#ifdef __cplusplus
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}
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#endif
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#endif
/* ZEPHYR_INCLUDE_POSIX_SYS_EVENTFD_H_ */
eventfd_read
int eventfd_read(int fd, eventfd_t *value)
Read from an eventfd.
eventfd_write
int eventfd_write(int fd, eventfd_t value)
Write to an eventfd.
eventfd
int eventfd(unsigned int initval, int flags)
Create a file descriptor for event notification.
eventfd_t
uint64_t eventfd_t
Definition:
eventfd.h:24
fcntl.h
kernel.h
Public kernel APIs.
flags
flags
Definition:
parser.h:96
stdint.h
uint64_t
__UINT64_TYPE__ uint64_t
Definition:
stdint.h:91
zephyr
posix
sys
eventfd.h
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