diff options
Diffstat (limited to 'testsuites/sptests/spfifo04/test.c')
-rw-r--r-- | testsuites/sptests/spfifo04/test.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/testsuites/sptests/spfifo04/test.c b/testsuites/sptests/spfifo04/test.c new file mode 100644 index 0000000000..83455ee07b --- /dev/null +++ b/testsuites/sptests/spfifo04/test.c @@ -0,0 +1,117 @@ +/* test_main + * + * This routine serves as a test routine. + * Exercises the fifo_open + * + * Input parameters: NONE + * + * Output parameters: NONE + * + * COPYRIGHT (c) 1989-1999. + * 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. + * + * $Id$ + */ + +/* Includes */ + +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <errno.h> + +#include <tmacros.h> +#include <rtems.h> +#include <rtems/libio.h> + +#define NUM_OPEN_REQ 26 + +void test_main(void) +{ + + int status = -1; + int fd = 0; + int index = 0; + int num_opens = 0; + + puts("\n\n*** FIFO / PIPE OPEN TEST - 4 ***"); + puts( +"\n\nConfiguration: Pipes configured, \ +but number of barriers configured = 2\n" + ); + + puts("\n\nCreating directory /tmp"); + status = mkdir("/tmp", 0777); + rtems_test_assert(status == 0); + + puts("\n\nCreating fifo /tmp/fifo"); + status = mkfifo("/tmp/fifo01", 0777); + rtems_test_assert(status == 0); + + puts("\n\nAttempt to open the fifo file in RDWR mode\n"); + puts("Should be successful and non-negative\ +file descriptor expected"); + + fd = open("/tmp/fifo01", O_RDWR); + rtems_test_assert(fd > 0); + ++num_opens; + + puts("\n\nClosing the fifo file"); + status = close(fd); + rtems_test_assert(status == 0); + + puts("\n\nAttempt to open the fifo file in \ +RDONLY and NONBLOCK mode\n"); + puts("Should be successful and non-negative\ +file descriptor expected"); + + fd = open("/tmp/fifo01", O_RDONLY | O_NONBLOCK); + rtems_test_assert(fd > 0); + ++num_opens; + + puts("\n\nClosing the fifo file"); + status = close(fd); + rtems_test_assert(status == 0); + + puts("\n\nAttempt to open the fifo file in \ +WRONLY and NONBLOCK mode\n"); + puts("Should return with an error ENXIO"); + + fd = open("/tmp/fifo01", O_WRONLY | O_NONBLOCK); + rtems_test_assert(fd == -1); + rtems_test_assert(errno == ENXIO); + ++num_opens; + + // Number of attempts to open fifo till now = 3 + // Number of attempts to move the static char + // from 'a' -> 'z' = 26 + // => Number of opens required = 23 + puts("\n\nMultiple opens\n"); + for(index = 0; index < NUM_OPEN_REQ - num_opens; ++index) { + + fd = open("/tmp/fifo01", O_RDONLY | O_NONBLOCK); + rtems_test_assert(fd > 0); + + status = close(fd); + rtems_test_assert(status == 0); + + printf("%d... ", index+1); + } + + puts("\n\nRemove the entry /tmp/fifo01"); + status = unlink("/tmp/fifo01"); + rtems_test_assert(status == 0); + + puts("\n\nRemove directory /tmp"); + status = rmdir("/tmp"); + rtems_test_assert(status == 0); + + puts("\n\n*** END OF FIFO / PIPE OPEN TEST - 4 ***"); +} + |