source: rtems/testsuites/sptests/spfifo04/init.c @ 7d1a2437

4.11
Last change on this file since 7d1a2437 was 7d1a2437, checked in by Joel Sherrill <joel.sherrill@…>, on Jun 20, 2010 at 10:02:24 PM

2010-06-20 Joel Sherrill <joel.sherrill@…>

  • spfifo02/init.c, spfifo03/init.c, spfifo04/init.c: Configure pipes used.
  • Property mode set to 100644
File size: 3.0 KB
Line 
1/*
2 *  COPYRIGHT (c) 2010
3 *  Bharath Suri<bharath.s.jois@gmail.com>.
4 *
5 *  The license and distribution terms for this file may be
6 *  found in the file LICENSE in this distribution or at
7 *  http://www.rtems.com/license/LICENSE.
8 *
9 *  $Id$
10 */
11
12/* Includes */
13#include <bsp.h>
14#include <tmacros.h>
15#include <stdio.h>
16#include <sys/types.h>
17#include <sys/stat.h>
18#include <fcntl.h>
19#include <unistd.h>
20#include <errno.h>
21
22#include <rtems.h>
23#include <rtems/libio.h>
24
25#define NUM_OPEN_REQ        26
26
27void test_main(void)
28{
29
30  int status = -1;
31  int fd = 0;
32  int index = 0;
33  int num_opens = 0;
34
35  puts("\n\n*** FIFO / PIPE OPEN TEST - 4 ***");
36  puts(
37"\n\nConfiguration: Pipes configured, \
38but number of barriers configured = 2\n"
39       );
40
41  puts("\n\nCreating directory /tmp");
42  status = mkdir("/tmp", 0777);
43  rtems_test_assert(status == 0);
44
45  puts("\n\nCreating fifo /tmp/fifo");
46  status = mkfifo("/tmp/fifo01", 0777);
47  rtems_test_assert(status == 0);
48
49  puts("\n\nAttempt to open the fifo file in RDWR mode\n");
50  puts("Should be successful and non-negative\
51file descriptor expected");
52
53  fd = open("/tmp/fifo01", O_RDWR);
54  rtems_test_assert(fd > 0);
55  ++num_opens;
56
57  puts("\n\nClosing the fifo file");
58  status = close(fd);
59  rtems_test_assert(status == 0);
60
61  puts("\n\nAttempt to open the fifo file in \
62RDONLY and NONBLOCK mode\n");
63  puts("Should be successful and non-negative\
64file descriptor expected");
65
66  fd = open("/tmp/fifo01", O_RDONLY | O_NONBLOCK);
67  rtems_test_assert(fd > 0);
68  ++num_opens;
69
70  puts("\n\nClosing the fifo file");
71  status = close(fd);
72  rtems_test_assert(status == 0);
73 
74  puts("\n\nAttempt to open the fifo file in \
75WRONLY and NONBLOCK mode\n");
76  puts("Should return with an error ENXIO");
77
78  fd = open("/tmp/fifo01", O_WRONLY | O_NONBLOCK);
79  rtems_test_assert(fd == -1);
80  rtems_test_assert(errno == ENXIO);
81  ++num_opens;
82
83  // Number of attempts to open fifo till now = 3
84  // Number of attempts to move the static char
85  // from 'a' -> 'z' = 26
86  // => Number of opens required = 23
87  puts("\n\nMultiple opens\n");
88  for(index = 0; index < NUM_OPEN_REQ - num_opens; ++index) {
89
90    fd = open("/tmp/fifo01", O_RDONLY | O_NONBLOCK);
91    rtems_test_assert(fd > 0);
92
93    status = close(fd);
94    rtems_test_assert(status == 0);
95
96    printf("%d... ", index+1);
97  }
98
99  puts("\n\nRemove the entry /tmp/fifo01");
100  status = unlink("/tmp/fifo01");
101  rtems_test_assert(status == 0);
102
103  puts("\n\nRemove directory /tmp");
104  status = rmdir("/tmp");
105  rtems_test_assert(status == 0);
106
107  puts("\n\n*** END OF FIFO / PIPE OPEN TEST - 4 ***");
108}
109
110rtems_task Init(
111  rtems_task_argument not_used
112)
113{
114  test_main();
115  rtems_test_exit(0);
116}
117
118#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
119#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
120
121#define CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM
122#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 6
123
124#define CONFIGURE_MAXIMUM_TASKS 1
125
126#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
127#define CONFIGURE_PIPES_ENABLED
128#define CONFIGURE_MAXIMUM_PIPES 1
129#define CONFIGURE_INIT
130
131#include <rtems/confdefs.h>
132
133/* end of file */
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