[d23e0f0] | 1 | /** |
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| 2 | * @file |
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[abb18dc] | 3 | * |
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[d23e0f0] | 4 | * Task Set/Get Priority Shell Command Implmentation |
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| 5 | */ |
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| 6 | |
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| 7 | /* |
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| 8 | * COPYRIGHT (c) 1989-2014. |
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[abb18dc] | 9 | * On-Line Applications Research Corporation (OAR). |
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| 10 | * |
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| 11 | * The license and distribution terms for this file may be |
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| 12 | * found in the file LICENSE in this distribution or at |
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| 13 | * http://www.rtems.com/license/LICENSE. |
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| 14 | */ |
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| 15 | |
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| 16 | #ifdef HAVE_CONFIG_H |
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| 17 | #include "config.h" |
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| 18 | #endif |
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| 19 | |
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| 20 | #include <stdio.h> |
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| 21 | |
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| 22 | #include <rtems.h> |
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| 23 | #include "shell.h" |
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| 24 | #include <rtems/stringto.h> |
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| 25 | #include <schedsim_shell.h> |
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| 26 | #include <rtems/error.h> |
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| 27 | |
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| 28 | int rtems_shell_main_task_priority( |
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| 29 | int argc, |
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| 30 | char *argv[] |
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| 31 | ) |
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| 32 | { |
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| 33 | rtems_id id; |
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| 34 | rtems_status_code status; |
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| 35 | unsigned long tmp; |
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| 36 | rtems_task_priority old; |
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| 37 | rtems_task_priority new; |
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| 38 | |
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| 39 | CHECK_RTEMS_IS_UP(); |
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| 40 | |
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| 41 | if (argc != 3) { |
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| 42 | fprintf( stderr, "%s: Usage [name|id] priority\n", argv[0] ); |
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| 43 | return -1; |
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| 44 | } |
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| 45 | |
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| 46 | if ( lookup_task( argv[1], &id ) ) |
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| 47 | return -1; |
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| 48 | |
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| 49 | if ( rtems_string_to_unsigned_long( argv[2], &tmp, NULL, 0) ) { |
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| 50 | fprintf( stderr, "Argument (%s) is not a number\n", argv[2] ); |
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| 51 | return 1; |
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| 52 | } |
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| 53 | |
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| 54 | new = (rtems_task_priority) tmp; |
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| 55 | |
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| 56 | /* |
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[d23e0f0] | 57 | * Now set and/or obtain the priority the task |
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[abb18dc] | 58 | */ |
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| 59 | status = rtems_task_set_priority( id, new, &old ); |
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| 60 | if ( status != RTEMS_SUCCESSFUL ) { |
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| 61 | fprintf( |
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| 62 | stderr, |
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| 63 | "Task Set Priority(%s) returned %s\n", |
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| 64 | argv[1], |
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| 65 | rtems_status_text( status ) |
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| 66 | ); |
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| 67 | return -1; |
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| 68 | } |
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| 69 | |
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| 70 | if ( new != 0 ) |
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| 71 | printf("Task (0x%08x) Change Priority from %d to %d\n", id, old, new ); |
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| 72 | else |
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| 73 | printf("Task (0x%08x) Current Priority is %d\n", id, new ); |
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| 74 | |
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| 75 | return 0; |
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| 76 | } |
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| 77 | |
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| 78 | rtems_shell_cmd_t rtems_shell_TASK_PRIORITY_Command = { |
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| 79 | "task_priority", /* name */ |
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| 80 | "task_priority name priority", /* usage */ |
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| 81 | "rtems", /* topic */ |
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| 82 | rtems_shell_main_task_priority, /* command */ |
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| 83 | NULL, /* alias */ |
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| 84 | NULL /* next */ |
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| 85 | }; |
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