8cc6f6ddd6
Newlib names this function __errno(), so if we want Zephyr to work with Newlib seamlessly, it's better to just follow Newlib's naming convention for Zephyr's own minimal libc. Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
29 lines
531 B
C
29 lines
531 B
C
/*
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* Copyright (c) 2015 Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/** @file
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*
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* @brief Per-thread errno accessor function
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*
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* Allow accessing the errno for the current thread without involving the
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* context switching.
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*/
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#include <kernel_structs.h>
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/*
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* Define _k_neg_eagain for use in assembly files as errno.h is
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* not assembly language safe.
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* FIXME: wastes 4 bytes
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*/
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const int _k_neg_eagain = -EAGAIN;
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#ifdef CONFIG_ERRNO
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int *__errno(void)
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{
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return &_current->errno_var;
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}
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#endif
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