[82d137ae] | 1 | /* Test1 |
---|
| 2 | * |
---|
| 3 | * This test uses creates a number of tasks so the capture engine |
---|
| 4 | * can show a trace. |
---|
| 5 | * |
---|
| 6 | * Input parameters: NONE |
---|
| 7 | * |
---|
| 8 | * Output parameters: NONE |
---|
| 9 | * |
---|
| 10 | * COPYRIGHT (c) 1989-1997. |
---|
| 11 | * On-Line Applications Research Corporation (OAR). |
---|
| 12 | * |
---|
| 13 | * The license and distribution terms for this file may in |
---|
| 14 | * the file LICENSE in this distribution or at |
---|
| 15 | * http://www.rtems.org/license/LICENSE. |
---|
| 16 | */ |
---|
| 17 | |
---|
| 18 | #ifdef HAVE_CONFIG_H |
---|
| 19 | #include "config.h" |
---|
| 20 | #endif |
---|
| 21 | |
---|
| 22 | #include "system.h" |
---|
| 23 | #include <stdio.h> |
---|
| 24 | #include <stdlib.h> |
---|
| 25 | |
---|
| 26 | #include <rtems.h> |
---|
| 27 | |
---|
| 28 | #if !BSP_SMALL_MEMORY |
---|
| 29 | static volatile int capture_CT1a_deleted; |
---|
| 30 | static volatile int capture_CT1b_deleted; |
---|
| 31 | static volatile int capture_CT1c_deleted; |
---|
| 32 | |
---|
| 33 | static void |
---|
| 34 | capture_wait (uint32_t period) |
---|
| 35 | { |
---|
| 36 | rtems_task_wake_after (RTEMS_MICROSECONDS_TO_TICKS (period * 1000)); |
---|
| 37 | } |
---|
| 38 | |
---|
| 39 | /* |
---|
| 40 | * CT1a: Claim the mutex and then wait a while then wake |
---|
| 41 | * up and release the mutex. While this task waits with |
---|
| 42 | * the mutex another higher priority task is started that |
---|
| 43 | * just loops using all the processing time. It is not until |
---|
| 44 | * another even higher priority thread blocks on the mutex |
---|
| 45 | * does this task get raised to that priority and so |
---|
| 46 | * releases the mutex. This will allow us to capture the |
---|
| 47 | * action of priority inversion. |
---|
| 48 | */ |
---|
| 49 | static void |
---|
| 50 | capture_CT1a (rtems_task_argument arg) |
---|
| 51 | { |
---|
| 52 | rtems_id mutex = (rtems_id) arg; |
---|
| 53 | rtems_status_code sc; |
---|
| 54 | |
---|
| 55 | sc = rtems_semaphore_obtain (mutex, RTEMS_WAIT, 0); |
---|
| 56 | |
---|
| 57 | if (sc != RTEMS_SUCCESSFUL) |
---|
| 58 | fprintf (stdout, "error: CT1a: mutex obtain: %s\n", |
---|
| 59 | rtems_status_text (sc)); |
---|
| 60 | |
---|
| 61 | capture_wait (2500); |
---|
| 62 | |
---|
| 63 | sc = rtems_semaphore_release (mutex); |
---|
| 64 | |
---|
| 65 | if (sc != RTEMS_SUCCESSFUL) |
---|
| 66 | fprintf (stdout, "error: CT1a: mutex release: %s\n", |
---|
| 67 | rtems_status_text (sc)); |
---|
| 68 | |
---|
| 69 | capture_CT1a_deleted = 1; |
---|
| 70 | |
---|
| 71 | rtems_task_delete (RTEMS_SELF); |
---|
| 72 | } |
---|
| 73 | |
---|
| 74 | static void |
---|
| 75 | capture_CT1b (rtems_task_argument arg) |
---|
| 76 | { |
---|
| 77 | volatile int i; |
---|
| 78 | |
---|
| 79 | while (!capture_CT1c_deleted) |
---|
| 80 | i++; |
---|
| 81 | |
---|
| 82 | capture_CT1b_deleted = 1; |
---|
| 83 | |
---|
| 84 | rtems_task_delete (RTEMS_SELF); |
---|
| 85 | } |
---|
| 86 | |
---|
| 87 | static void |
---|
| 88 | capture_CT1c (rtems_task_argument arg) |
---|
| 89 | { |
---|
| 90 | rtems_id mutex = (rtems_id) arg; |
---|
| 91 | rtems_status_code sc; |
---|
| 92 | |
---|
| 93 | sc = rtems_semaphore_obtain (mutex, RTEMS_WAIT, 0); |
---|
| 94 | |
---|
| 95 | if (sc != RTEMS_SUCCESSFUL) |
---|
| 96 | fprintf (stdout, "error: CT1c: mutex obtain: %s\n", |
---|
| 97 | rtems_status_text (sc)); |
---|
| 98 | |
---|
| 99 | capture_wait (500); |
---|
| 100 | |
---|
| 101 | sc = rtems_semaphore_release (mutex); |
---|
| 102 | |
---|
| 103 | if (sc != RTEMS_SUCCESSFUL) |
---|
| 104 | fprintf (stdout, "error: CT1c: mutex release: %s\n", |
---|
| 105 | rtems_status_text (sc)); |
---|
| 106 | |
---|
| 107 | capture_CT1c_deleted = 1; |
---|
| 108 | |
---|
| 109 | rtems_task_delete (RTEMS_SELF); |
---|
| 110 | } |
---|
| 111 | |
---|
| 112 | void capture_test_1 () |
---|
| 113 | { |
---|
| 114 | rtems_status_code sc; |
---|
| 115 | rtems_name name; |
---|
| 116 | rtems_id id[3]; |
---|
| 117 | rtems_id mutex; |
---|
| 118 | int loops; |
---|
| 119 | |
---|
| 120 | capture_CT1a_deleted = 0; |
---|
| 121 | capture_CT1b_deleted = 0; |
---|
| 122 | capture_CT1c_deleted = 0; |
---|
| 123 | |
---|
| 124 | name = rtems_build_name('C', 'T', 'm', '1'); |
---|
| 125 | |
---|
| 126 | sc = rtems_semaphore_create (name, 1, |
---|
| 127 | RTEMS_PRIORITY | RTEMS_BINARY_SEMAPHORE | |
---|
| 128 | RTEMS_INHERIT_PRIORITY, |
---|
| 129 | 0, &mutex); |
---|
| 130 | |
---|
| 131 | if (sc != RTEMS_SUCCESSFUL) |
---|
| 132 | { |
---|
| 133 | fprintf (stdout, "error: Test 1: cannot mutex: %s\n", |
---|
| 134 | rtems_status_text (sc)); |
---|
| 135 | return; |
---|
| 136 | } |
---|
| 137 | |
---|
| 138 | name = rtems_build_name('C', 'T', '1', 'a'); |
---|
| 139 | |
---|
| 140 | sc = rtems_task_create (name, 102, 2 * 1024, |
---|
| 141 | RTEMS_NO_FLOATING_POINT | RTEMS_LOCAL, |
---|
| 142 | RTEMS_PREEMPT | RTEMS_TIMESLICE | RTEMS_NO_ASR, |
---|
| 143 | &id[0]); |
---|
| 144 | |
---|
| 145 | if (sc != RTEMS_SUCCESSFUL) |
---|
| 146 | { |
---|
| 147 | fprintf (stdout, "error: Test 1: cannot create CT1a: %s\n", |
---|
| 148 | rtems_status_text (sc)); |
---|
| 149 | rtems_semaphore_delete (mutex); |
---|
| 150 | return; |
---|
| 151 | } |
---|
| 152 | |
---|
| 153 | sc = rtems_task_start (id[0], capture_CT1a, (rtems_task_argument) mutex); |
---|
| 154 | |
---|
| 155 | if (sc != RTEMS_SUCCESSFUL) |
---|
| 156 | { |
---|
| 157 | fprintf (stdout, "error: Test 1: cannot start CT1a: %s\n", |
---|
| 158 | rtems_status_text (sc)); |
---|
| 159 | rtems_task_delete (id[0]); |
---|
| 160 | rtems_semaphore_delete (mutex); |
---|
| 161 | return; |
---|
| 162 | } |
---|
| 163 | |
---|
| 164 | capture_wait (1000); |
---|
| 165 | |
---|
| 166 | name = rtems_build_name('C', 'T', '1', 'b'); |
---|
| 167 | |
---|
| 168 | sc = rtems_task_create (name, 101, 2 * 1024, |
---|
| 169 | RTEMS_NO_FLOATING_POINT | RTEMS_LOCAL, |
---|
| 170 | RTEMS_PREEMPT | RTEMS_TIMESLICE | RTEMS_NO_ASR, |
---|
| 171 | &id[1]); |
---|
| 172 | |
---|
| 173 | if (sc != RTEMS_SUCCESSFUL) |
---|
| 174 | { |
---|
| 175 | fprintf (stdout, "error: Test 1: cannot create CT1b: %s\n", |
---|
| 176 | rtems_status_text (sc)); |
---|
| 177 | rtems_task_delete (id[0]); |
---|
| 178 | rtems_semaphore_delete (mutex); |
---|
| 179 | return; |
---|
| 180 | } |
---|
| 181 | |
---|
| 182 | sc = rtems_task_start (id[1], capture_CT1b, 0); |
---|
| 183 | |
---|
| 184 | if (sc != RTEMS_SUCCESSFUL) |
---|
| 185 | { |
---|
| 186 | fprintf (stdout, "error: Test 1: cannot start CT1b: %s\n", |
---|
| 187 | rtems_status_text (sc)); |
---|
| 188 | rtems_task_delete (id[1]); |
---|
| 189 | rtems_task_delete (id[0]); |
---|
| 190 | rtems_semaphore_delete (mutex); |
---|
| 191 | return; |
---|
| 192 | } |
---|
| 193 | |
---|
| 194 | capture_wait (1000); |
---|
| 195 | |
---|
| 196 | name = rtems_build_name('C', 'T', '1', 'c'); |
---|
| 197 | |
---|
| 198 | sc = rtems_task_create (name, 100, 2 * 1024, |
---|
| 199 | RTEMS_NO_FLOATING_POINT | RTEMS_LOCAL, |
---|
| 200 | RTEMS_PREEMPT | RTEMS_TIMESLICE | RTEMS_NO_ASR, |
---|
| 201 | &id[2]); |
---|
| 202 | |
---|
| 203 | if (sc != RTEMS_SUCCESSFUL) |
---|
| 204 | { |
---|
| 205 | fprintf (stdout, "error: Test 1: cannot create CT1c: %s\n", |
---|
| 206 | rtems_status_text (sc)); |
---|
| 207 | rtems_task_delete (id[1]); |
---|
| 208 | rtems_task_delete (id[0]); |
---|
| 209 | rtems_semaphore_delete (mutex); |
---|
| 210 | return; |
---|
| 211 | } |
---|
| 212 | |
---|
| 213 | sc = rtems_task_start (id[2], capture_CT1c, (rtems_task_argument) mutex); |
---|
| 214 | |
---|
| 215 | if (sc != RTEMS_SUCCESSFUL) |
---|
| 216 | { |
---|
| 217 | fprintf (stdout, "error: Test 1: cannot start CT1c: %s\n", |
---|
| 218 | rtems_status_text (sc)); |
---|
| 219 | rtems_task_delete (id[2]); |
---|
| 220 | rtems_task_delete (id[1]); |
---|
| 221 | rtems_task_delete (id[0]); |
---|
| 222 | rtems_semaphore_delete (mutex); |
---|
| 223 | return; |
---|
| 224 | } |
---|
| 225 | |
---|
| 226 | loops = 15; |
---|
| 227 | |
---|
| 228 | while (!(capture_CT1a_deleted || capture_CT1b_deleted || |
---|
| 229 | capture_CT1c_deleted) && loops) |
---|
| 230 | { |
---|
| 231 | loops--; |
---|
| 232 | capture_wait (1000); |
---|
| 233 | } |
---|
| 234 | |
---|
| 235 | if (!loops) |
---|
| 236 | { |
---|
| 237 | fprintf (stdout, "error: Test 1: test tasks did not delete\n"); |
---|
| 238 | rtems_task_delete (id[2]); |
---|
| 239 | rtems_task_delete (id[1]); |
---|
| 240 | rtems_task_delete (id[0]); |
---|
| 241 | } |
---|
| 242 | |
---|
| 243 | sc = rtems_semaphore_delete (mutex); |
---|
| 244 | if (sc != RTEMS_SUCCESSFUL) |
---|
| 245 | fprintf (stdout, "error: Test 1: deleting the mutex: %s\n", |
---|
| 246 | rtems_status_text (sc)); |
---|
| 247 | |
---|
| 248 | } |
---|
| 249 | |
---|
| 250 | #endif /* BSP_SMALL_MEMORY */ |
---|