summaryrefslogtreecommitdiffstats
path: root/testsuites/sptests/spfifo05/init.c
blob: 81ca4a474fec29959d71304721729a651b519b21 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
/*
 *  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.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <bsp.h>
#include <tmacros.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <limits.h>

#include <rtems.h>
#include <rtems/libio.h>

#define SEND_RCV_BUFSIZ       (PIPE_BUF+20)

rtems_id rBarrier;
rtems_id wBarrier;

char recvBuf[SEND_RCV_BUFSIZ] = {0};
char sendBuf[SEND_RCV_BUFSIZ] = {0};

rtems_task read_task( rtems_task_argument not_used )
{
  int fd = 0;
  int status = -1;
  uint32_t released = 0;

  puts( "read_task - opening /fifo in non-blocking mode" );

  fd = open( "/fifo", O_RDONLY | O_NONBLOCK );
  if( fd <= 0 ) {
    printf( "Error opening file: (%d) :: %s\n", errno, strerror( errno ) );
    rtems_test_assert( 0 );
  }

  puts( "read_task - attempt to read with number of writers = 0" );
  status = read( fd, recvBuf, SEND_RCV_BUFSIZ );
  rtems_test_assert( status == 0 );

  puts( "read_task - releasing the write task" );
  status = rtems_barrier_release( wBarrier, &released );
  rtems_test_assert( status == 0 );

  puts( "read_task - waiting at a barrier" );
  status = rtems_barrier_wait( rBarrier, RTEMS_NO_TIMEOUT );
  rtems_test_assert( status == RTEMS_SUCCESSFUL );

  puts( "read_task - attempting to read from the fifo -- Expect EAGAIN" );
  status = read( fd, recvBuf, SEND_RCV_BUFSIZ );
  rtems_test_assert( status == -1 );
  rtems_test_assert( errno == EAGAIN );

  puts( "read_task - closing /fifo" );
  status = close( fd );
  rtems_test_assert( status == 0 );

  puts("read_task - opening /fifo in read-only mode");
  fd = open( "/fifo", O_RDONLY );
  if( fd <= 0 ) {
    printf( "Error opening file: (%d) :: %s\n", errno, strerror( errno ) );
    rtems_test_assert( 0 );
  }

  puts( "read_task - releasing the write task" );
  status = rtems_barrier_release( wBarrier, &released );
  rtems_test_assert( status == 0 );

  puts( "read_task - reading from /fifo - OK" );
  status = read( fd, recvBuf, 10 );
  rtems_test_assert( status == 10 );

  puts( "read_task - reading from /fifo - OK" );
  status = read( fd, recvBuf+10, 10 );
  rtems_test_assert( status == 10 );

  puts( "read_task - waiting at a barrier" );
  status = rtems_barrier_wait( rBarrier, RTEMS_NO_TIMEOUT );
  rtems_test_assert( status == RTEMS_SUCCESSFUL );

  puts( "read_task - reading from /fifo - OK" );
  status = read( fd, recvBuf+20, SEND_RCV_BUFSIZ - 20 );
  rtems_test_assert( status == SEND_RCV_BUFSIZ - 20 );

  if( strcmp( sendBuf, recvBuf ) ) {
    puts( "Sent, received buffer do not match" );
    rtems_test_assert( 0 );
  }

  puts( "read_task - releasing the write task" );
  status = rtems_barrier_release( wBarrier, &released );
  rtems_test_assert( status == 0 );

  puts( "read_task - waiting at a barrier" );
  status = rtems_barrier_wait( rBarrier, RTEMS_NO_TIMEOUT );
  rtems_test_assert( status == RTEMS_SUCCESSFUL );

  status = close( fd );
  rtems_test_assert( status == 0 );

  puts( "read_task - releasing the write task" );
  status = rtems_barrier_release( wBarrier, &released );
  rtems_test_assert( status == 0 );

  rtems_task_delete( RTEMS_SELF );
}



rtems_task Init(
  rtems_task_argument not_used
)
{
  rtems_id readTaskID;

  rtems_name readTaskName;

  int status = -1;
  int fd = 0;
  uint32_t released = 0;
  int flag = 1;

  puts("\n*** FIFO / PIPE TESTS - 5 ***");

  memset( sendBuf, '1', SEND_RCV_BUFSIZ - 30 );
  memset( sendBuf, '2', 29 );
  sendBuf[SEND_RCV_BUFSIZ-1] = 0;

  memset( &rBarrier, 0, sizeof(rBarrier) );
  status = rtems_barrier_create (
    rtems_build_name ( 'B', 'A', 'R', 'r' ),
    RTEMS_BARRIER_MANUAL_RELEASE,
    2,
    &rBarrier
    );

  rtems_test_assert( status == RTEMS_SUCCESSFUL );

  memset( &wBarrier, 0, sizeof( wBarrier ) );
  status = rtems_barrier_create (
    rtems_build_name ( 'B', 'A', 'R', 'w' ),
    RTEMS_BARRIER_MANUAL_RELEASE,
    2,
    &wBarrier
    );
  rtems_test_assert( status == RTEMS_SUCCESSFUL );

  readTaskName = rtems_build_name( 'T','A','r',' ' );
  status = rtems_task_create(
			     readTaskName,
			     1,
			     RTEMS_MINIMUM_STACK_SIZE * 2,
			     RTEMS_INTERRUPT_LEVEL(31),
			     RTEMS_DEFAULT_ATTRIBUTES,
			     &readTaskID
			     );
  
  rtems_test_assert( status == RTEMS_SUCCESSFUL );

  puts( "Init - Creating fifo file /fifo" );
  status = mkfifo( "/fifo", 0777 );
  rtems_test_assert( status == 0 );

  puts( "Init - starting the read task" );
  status = rtems_task_start( readTaskID, read_task, 0 );
  rtems_test_assert( status == 0 );

  puts( "Init - waiting at a barrier" );
  status = rtems_barrier_wait( wBarrier, RTEMS_NO_TIMEOUT );
  rtems_test_assert( status == RTEMS_SUCCESSFUL );

  puts("Init - opening the fifo in write only mode -- OK");
  fd = open("/fifo", O_WRONLY);
  if(fd <= 0) {
    printf("Error opening file: (%d) :: %s\n", errno, strerror(errno));
    rtems_test_assert(0);
  }

  puts( "Init - writing to /fifo" );
  status = write(fd, sendBuf, 0 );
  rtems_test_assert( status == 0 );

  puts( "Init - releasing the read_task" );
  status = rtems_barrier_release( rBarrier, &released );
  rtems_test_assert( status == 0 );

  puts( "Init - waiting at a barrier" );
  status = rtems_barrier_wait( wBarrier, RTEMS_NO_TIMEOUT );
  rtems_test_assert( status == RTEMS_SUCCESSFUL );
  
  puts( "Init - writing to /fifo - OK" );
  status = write(fd, sendBuf, SEND_RCV_BUFSIZ - 30 );
  rtems_test_assert( status == SEND_RCV_BUFSIZ - 30 );

  puts( "Init - writing to /fifo - OK" );
  status = write(fd, sendBuf+SEND_RCV_BUFSIZ - 30, 30 );
  rtems_test_assert( status == 30 );

  puts( "Init - releasing the read_task" );
  status = rtems_barrier_release( rBarrier, &released );
  rtems_test_assert( status == 0 );

  puts( "Init - waiting at a barrier" );
  status = rtems_barrier_wait( wBarrier, RTEMS_NO_TIMEOUT );
  rtems_test_assert( status == RTEMS_SUCCESSFUL );  

  puts( "Init - converting the write-mode to non-block" );
  status = ioctl( fd, FIONBIO, &flag );
  rtems_test_assert( status == 0 );

  puts( "Init - writing to /fifo - OK" );
  status = write(fd, sendBuf, SEND_RCV_BUFSIZ - 30 );
  rtems_test_assert( status == SEND_RCV_BUFSIZ - 30 );
  
  puts( "Init - writing to /fifo - Expect EAGAIN" );
  status = write(fd, sendBuf, SEND_RCV_BUFSIZ - 30 );
  rtems_test_assert( status == -1 );
  rtems_test_assert( errno == EAGAIN );

  puts( "Init - releasing the read_task" );
  status = rtems_barrier_release( rBarrier, &released );
  rtems_test_assert( status == 0 );

  puts( "Init - waiting at a barrier" );
  status = rtems_barrier_wait( wBarrier, RTEMS_NO_TIMEOUT );
  rtems_test_assert( status == RTEMS_SUCCESSFUL );  

  puts( "Init - writing to /fifo - Expect EPIPE" );
  status = write(fd, sendBuf, SEND_RCV_BUFSIZ - 30 );
  rtems_test_assert( status == -1 );
  rtems_test_assert( errno == EPIPE );

  status = close( fd );
  rtems_test_assert( status == 0 );

  puts( "Removing the fifo" );
  status = unlink("/fifo");
  rtems_test_assert(status == 0);
  
  puts("*** END OF FIFO / PIPE OPEN TEST - 6 ***");
  rtems_test_exit(0);
}

#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER

#define CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM
#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 6

#define CONFIGURE_MAXIMUM_TASKS 3

#define CONFIGURE_RTEMS_INIT_TASKS_TABLE

#define CONFIGURE_MAXIMUM_BARRIERS 2

#define CONFIGURE_INIT
#define CONFIGURE_FIFOS_ENABLED
#define CONFIGURE_MAXIMUM_FIFOS 1


#define CONFIGURE_INIT
#include <rtems/confdefs.h>

/* end of file */