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/*
* Task Delete Shell Command Implmentation
*
* COPYRIGHT (c) 1989-2010.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define __need_getopt_newlib
#include <newlib/getopt.h>
#include <stdio.h>
#include <rtems.h>
#include "shell.h"
#include <rtems/stringto.h>
#include <schedsim_shell.h>
#include <rtems/error.h>
void print_mode(
const char *prefix,
rtems_mode mode
)
{
fprintf(
stderr,
"%sPreemption: %s Timeslicing: %s\n",
prefix,
((mode & RTEMS_NO_PREEMPT) ? "no" : "yes"),
((mode & RTEMS_TIMESLICE) ? "yes" : "no")
);
}
int rtems_shell_main_task_mode(
int argc,
char *argv[]
)
{
rtems_status_code status;
rtems_mode mode;
rtems_mode mask;
rtems_mode old;
struct getopt_data getopt_reent;
char option;
CHECK_RTEMS_IS_UP();
mode = 0;
mask = 0;
memset(&getopt_reent, 0, sizeof(getopt_data));
while ( (option = getopt_r( argc, argv, "tTpP", &getopt_reent)) != -1 ) {
switch (option) {
case 't':
mask |= RTEMS_TIMESLICE_MASK;
mode = (mode & ~RTEMS_TIMESLICE_MASK) | RTEMS_NO_TIMESLICE;
break;
case 'T':
mask |= RTEMS_TIMESLICE_MASK;
mode = (mode & ~RTEMS_TIMESLICE_MASK) | RTEMS_TIMESLICE;
break;
case 'p':
mask |= RTEMS_PREEMPT_MASK;
mode = (mode & ~RTEMS_PREEMPT_MASK) | RTEMS_NO_PREEMPT;
break;
case 'P':
mask |= RTEMS_PREEMPT_MASK;
mode = (mode & ~RTEMS_PREEMPT_MASK) | RTEMS_PREEMPT;
break;
default:
fprintf( stderr, "%s: Usage [-tTpP]\n", argv[0] );
return -1;
}
}
/*
* Now change the task mode
*/
status = rtems_task_mode( mode, mask, &old );
if ( status != RTEMS_SUCCESSFUL ) {
fprintf(
stderr,
"Task Mode returned %s\n",
rtems_status_text( status )
);
return -1;
}
print_mode( "Previous Mode: ", old );
if ( mask ) {
(void) rtems_task_mode( RTEMS_CURRENT_MODE , RTEMS_CURRENT_MODE, &old );
print_mode( "Current Mode: ", mode );
}
return 0;
}
rtems_shell_cmd_t rtems_shell_TASK_MODE_Command = {
"task_mode", /* name */
"task_mode [-tTpP]", /* usage */
"rtems", /* topic */
rtems_shell_main_task_mode, /* command */
NULL, /* alias */
NULL /* next */
};
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