b0797263ca
1.Reduce the default size of task_group_s(~512B each task) 2.Scale better between simple and complex application Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com> Change-Id: Ia872137504fddcf64d89c48d6f0593d76d582710
76 lines
2.9 KiB
C
76 lines
2.9 KiB
C
/****************************************************************************
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* libs/libc/stdio/lib_ferror.c
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*
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* Copyright (C) 2012, 2014 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <errno.h>
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#include <nuttx/fs/fs.h>
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#ifdef CONFIG_FILE_STREAM
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: ferror
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*
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* Description:
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* This function will test if the last operation resulted in an error.
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* This is used to disambiguate EOF and error conditions.
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*
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* Returned Value:
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* A non-zero value is returned to indicate the error condition.
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*
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****************************************************************************/
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int ferror(FILE *stream)
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{
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/* If an error is encountered by any of the C-buffered I/O functions, they
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* should set the __FS_FLAG_ERROR in the fs_flags field of struct
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* file_struct.
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*/
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return (stream->fs_flags & __FS_FLAG_ERROR) != 0;
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}
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#endif /* CONFIG_FILE_STREAM */
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