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/**
* @file
*
* Task Set Affinity Shell Command Implmentation
*/
/*
* COPYRIGHT (c) 1989-2014.
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define _GNU_SOURCE
#include <sys/cpuset.h>
#include <stdio.h>
#include <rtems.h>
#include "shell.h"
#include <rtems/stringto.h>
#include <schedsim_shell.h>
#include <rtems/error.h>
int rtems_shell_main_task_set_affinity(
int argc,
char *argv[]
)
{
rtems_id id;
rtems_status_code status;
unsigned long tmp;
cpu_set_t cpuset;
CHECK_RTEMS_IS_UP();
if (argc != 3) {
fprintf( stderr, "%s: Usage [name|id] affinity\n", argv[0] );
return -1;
}
if ( lookup_task( argv[1], &id ) )
return -1;
if ( rtems_string_to_unsigned_long( argv[2], &tmp, NULL, 0) ) {
fprintf( stderr, "Argument (%s) is not a number\n", argv[2] );
return 1;
}
CPU_ZERO( &cpuset );
cpuset.__bits[0] = tmp;
/*
* Now change the affinity of the task
*/
status = rtems_task_set_affinity( id, sizeof(cpuset), &cpuset );
if ( status != RTEMS_SUCCESSFUL ) {
fprintf(
stderr,
"Task Set Affinity(%s) returned %s\n",
argv[1],
rtems_status_text( status )
);
return -1;
}
printf("Task (0x%08x) Set affinity=0x%08x\n", id, cpuset.__bits[0] );
return 0;
}
rtems_shell_cmd_t rtems_shell_TASK_SET_AFFINITY_Command = {
"task_set_affinity", /* name */
"task_set_affinity name ", /* usage */
"rtems", /* topic */
rtems_shell_main_task_set_affinity, /* command */
NULL, /* alias */
NULL /* next */
};
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