zephyr/include/misc/libc-hooks.h

43 lines
977 B
C

/*
* Copyright (c) 2018, Intel Corporation.
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_INCLUDE_MISC_LIBC_HOOKS_H_
#define ZEPHYR_INCLUDE_MISC_LIBC_HOOKS_H_
#include <toolchain.h>
#include <stdio.h>
#include <stddef.h>
/*
* Private header for specifying accessory functions to the C library internals
* that need to call into the kernel as system calls
*/
#ifdef CONFIG_NEWLIB_LIBC
/* syscall generation ignores preprocessor, ensure this is defined to ensure
* we don't have compile errors
*/
#define _MLIBC_RESTRICT
__syscall int _zephyr_read(char *buf, int nbytes);
__syscall int _zephyr_write(const void *buf, int nbytes);
#else
/* Minimal libc */
__syscall int _zephyr_fputc(int c, FILE *stream);
__syscall size_t _zephyr_fwrite(const void *_MLIBC_RESTRICT ptr, size_t size,
size_t nitems, FILE *_MLIBC_RESTRICT stream);
#endif /* CONFIG_NEWLIB_LIBC */
#include <syscalls/libc-hooks.h>
#endif /* ZEPHYR_INCLUDE_MISC_LIBC_HOOKS_H_ */