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ARC: MWDT: workaround missing file IO related defines

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ARC MWDT libc misses some file IO related defines, let's
add them in ARC MWDT libc compatibility layer.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Evgeniy Paltsev <PaltsevEvgeniy@gmail.com>
This commit is contained in:
Evgeniy Paltsev 2021-07-08 23:51:34 +03:00 • committed by Kumar Gala
commit 64ff64a48f
1 changed files with 28 additions and 0 deletions
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28
lib/libc/arcmwdt/include/fcntl.h Normal file
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/*
* Copyright (c) 2021 Synopsys
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_LIB_LIBC_ARCMWDT_INCLUDE_FCNTL_H_
#define ZEPHYR_LIB_LIBC_ARCMWDT_INCLUDE_FCNTL_H_
#include_next <fcntl.h>
#define F_DUPFD 0
#define F_GETFL 3
#define F_SETFL 4
/*
* MWDT fcntl.h doesn't provide O_NONBLOCK, however it provides other file IO
* definitions. Let's define O_NONBLOCK and check that it doesn't overlap with
* any other file IO defines.
*/
#ifndef O_NONBLOCK
#define O_NONBLOCK 0x4000
#if O_NONBLOCK & (O_RDONLY | O_WRONLY | O_RDWR | O_NDELAY | O_CREAT | O_APPEND | O_TRUNC | O_EXCL)
#error "O_NONBLOCK conflicts with other O_*** file IO defines!"
#endif
#endif
#endif /* ZEPHYR_LIB_LIBC_ARCMWDT_INCLUDE_FCNTL_H_ */