Zephyr API Documentation
4.0.99
A Scalable Open Source RTOS
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errno_private.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2018 Intel Corporation.
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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_SYS_ERRNO_PRIVATE_H_
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#define ZEPHYR_INCLUDE_SYS_ERRNO_PRIVATE_H_
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#include <
zephyr/toolchain.h
>
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#include <
zephyr/types.h
>
/* For Z_THREAD_LOCAL */
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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/* NOTE: located here to avoid include dependency loops between errno.h
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* and kernel.h
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*/
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#ifdef CONFIG_LIBC_ERRNO
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#include <
errno.h
>
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static
inline
int
*z_errno(
void
)
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{
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return
&
errno
;
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}
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#elif defined(CONFIG_ERRNO_IN_TLS)
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extern
Z_THREAD_LOCAL
int
z_errno_var;
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static
inline
int
*z_errno(
void
)
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{
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return
&z_errno_var;
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}
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#else
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__syscall
int
*z_errno(
void
);
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#endif
/* CONFIG_ERRNO_IN_TLS */
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#ifdef __cplusplus
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}
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#endif
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#if !defined(CONFIG_ERRNO_IN_TLS) && !defined(CONFIG_LIBC_ERRNO)
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#include <zephyr/syscalls/errno_private.h>
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#endif
/* CONFIG_ERRNO_IN_TLS */
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#endif
/* ZEPHYR_INCLUDE_SYS_ERRNO_PRIVATE_H_ */
errno.h
System error numbers.
errno
#define errno
Definition
errno.h:37
types.h
toolchain.h
Macros to abstract toolchain specific capabilities.
zephyr
sys
errno_private.h
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