sptests/spfifo02/init.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  *  COPYRIGHT (c) 1989-2014.
0005  *  On-Line Applications Research Corporation (OAR).
0006  *
0007  * Redistribution and use in source and binary forms, with or without
0008  * modification, are permitted provided that the following conditions
0009  * are met:
0010  * 1. Redistributions of source code must retain the above copyright
0011  *    notice, this list of conditions and the following disclaimer.
0012  * 2. Redistributions in binary form must reproduce the above copyright
0013  *    notice, this list of conditions and the following disclaimer in the
0014  *    documentation and/or other materials provided with the distribution.
0015  *
0016  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0017  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0018  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0019  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0020  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0021  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0022  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0023  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0024  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0025  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0026  * POSSIBILITY OF SUCH DAMAGE.
0027  */
0028
0029 #ifdef HAVE_CONFIG_H
0030 #include "config.h"
0031 #endif
0032
0033 #include <tmacros.h>
0034 #include "test_support.h"
0035
0036 #include <sys/types.h>
0037 #include <sys/stat.h>
0038 #include <fcntl.h>
0039 #include <unistd.h>
0040 #include <errno.h>
0041 #include <rtems/malloc.h>
0042
0043 const char rtems_test_name[] = "SPFIFO 2";
0044
0045 #define NUM_OPEN_REQ 26
0046
0047 static void create_fifo(void)
0048 {
0049   int status;
0050
0051   status = mkfifo("/fifo01", 0777);
0052   rtems_test_assert(status == 0);
0053 }
0054
0055 static void open_fifo(int expected, int flags)
0056 {
0057   int fd;
0058
0059   fd = open("/fifo01", flags);
0060   printf( "expect status=%d errno=%d/(%s)\n", fd, errno, strerror(errno) );
0061   if ( expected ) {
0062     rtems_test_assert(fd == -1);
0063     rtems_test_assert(errno == expected);
0064   } else {
0065     rtems_test_assert(fd != -1);
0066     close( fd );
0067   }
0068 }
0069
0070 static rtems_task Init(
0071   rtems_task_argument argument
0072 )
0073 {
0074   void *p;
0075   int num_opens = 0;
0076   int index = 0;
0077
0078   TEST_BEGIN();
0079
0080   puts( "Creating FIFO" );
0081   create_fifo();
0082
0083   p = rtems_heap_greedy_allocate(NULL, 0);
0084   puts("Opening FIFO.. expect ENOMEM since no memory is available");
0085   open_fifo(ENOMEM, O_RDWR);
0086   rtems_heap_greedy_free(p);
0087
0088   puts( "Opening FIFO in RDWR mode. Expect OK" );
0089   open_fifo(0, O_RDWR);
0090   ++num_opens;
0091
0092   puts( "Opening FIFO in non blocking RDONLY mode. Expect OK");
0093   open_fifo(0, O_RDONLY | O_NONBLOCK);
0094   ++num_opens;
0095
0096   puts( "Opening FIFO in non blocking WRONLY mode. Expect ENXIO");
0097   open_fifo(ENXIO, O_WRONLY | O_NONBLOCK);
0098   ++num_opens;
0099
0100   puts("\nMultiple opens\n");
0101   index = 0;
0102   do {
0103
0104     printf("%d... ", index+1);
0105     open_fifo(0, O_RDONLY | O_NONBLOCK);
0106     ++index;
0107   } while ( index < NUM_OPEN_REQ - num_opens );
0108
0109   TEST_END();
0110
0111   rtems_test_exit(0);
0112 }
0113
0114 /* configuration information */
0115
0116 #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
0117 #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
0118
0119 #define CONFIGURE_MAXIMUM_TASKS             1
0120 #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
0121
0122 #define CONFIGURE_RTEMS_INIT_TASKS_TABLE
0123
0124 #define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS 5
0125
0126 #define CONFIGURE_IMFS_ENABLE_MKFIFO
0127
0128 #define CONFIGURE_INIT
0129
0130 #include <rtems/confdefs.h>
0131 /* end of file */