diff options
Diffstat (limited to 'schedsim/shell/shared/main_taskmode.c')
-rw-r--r-- | schedsim/shell/shared/main_taskmode.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/schedsim/shell/shared/main_taskmode.c b/schedsim/shell/shared/main_taskmode.c new file mode 100644 index 0000000..7b9c263 --- /dev/null +++ b/schedsim/shell/shared/main_taskmode.c @@ -0,0 +1,113 @@ +/* + * 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 */ +}; |