px4-firmware/apps/nshlib/nsh_apps.c

122 lines
4.2 KiB
C

/****************************************************************************
* apps/nshlib/nsh_apps.c
*
* Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
* Copyright (C) 2011 Uros Platise. All rights reserved.
* Author: Uros Platise <uros.platise@isotel.eu>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifdef CONFIG_SCHED_WAITPID
# include <sys/wait.h>
#endif
#include <stdbool.h>
#include <errno.h>
#include <string.h>
#include <apps/apps.h>
#include "nsh.h"
#include "nsh_console.h"
#ifdef CONFIG_NSH_BUILTIN_APPS
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nsh_execute
****************************************************************************/
int nsh_execapp(FAR struct nsh_vtbl_s *vtbl, FAR const char *cmd,
FAR char **argv)
{
int ret = OK;
/* Try to find command within pre-built application list. */
ret = exec_namedapp(cmd, (FAR const char **)argv);
if (ret < 0)
{
return -errno;
}
#ifdef CONFIG_SCHED_WAITPID
if (vtbl->np.np_bg == false)
{
waitpid(ret, NULL, 0);
}
else
#endif
{
struct sched_param param;
sched_getparam(0, &param);
nsh_output(vtbl, "%s [%d:%d]\n", cmd, ret, param.sched_priority);
}
return OK;
}
#endif /* CONFIG_NSH_BUILTIN_APPS */