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3da204c23e
1. Input redirect flags currently is hardcode, passing by arguments maybe better.
2. Only support redirect to path_name, redirect to fd is needed for pipeline.
Test
1. Redirect in
cat < /etc/init.d/rc.sysinit
2. Redirect with FIFO
mkfifo /dev/testfifo
cat /dev/testfifo &
ls > /dev/testfifo
3. NSH Params
set name `uname`
echo $name
Signed-off-by: wangjianyu3 <wangjianyu3@xiaomi.com>
87 lines
3.1 KiB
C
87 lines
3.1 KiB
C
/****************************************************************************
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* apps/include/builtin/builtin.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __APPS_INCLUDE_BUILTIN_BUILTIN_H
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#define __APPS_INCLUDE_BUILTIN_BUILTIN_H
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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 <sys/types.h>
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#include <nuttx/lib/builtin.h>
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#include <nshlib/nshlib.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Functions Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: exec_builtin
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*
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* Description:
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* Executes builtin applications registered during 'make context' time.
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* New application is run in a separate task context (and thread).
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*
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* Input Parameter:
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* filename - Name of the linked-in binary to be started.
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* argv - Argument list
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* param - Parameters for execute.
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*
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* Returned Value:
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* This is an end-user function, so it follows the normal convention:
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* Returns the PID of the exec'ed module. On failure, it returns
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* -1 (ERROR) and sets errno appropriately.
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*
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****************************************************************************/
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int exec_builtin(FAR const char *appname, FAR char * const *argv,
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FAR const struct nsh_param_s *param);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __APPS_INCLUDE_BUILTIN_BUILTIN_H */
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