/* SPDX-License-Identifier: BSD-2-Clause */
/*
* COPYRIGHT (c) 1989-2012.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#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 <sys/ioctl.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <limits.h>
#include <rtems.h>
#include <rtems/libio.h>
const char rtems_test_name[] = "SPFIFO 5";
/* forward declarations to avoid warnings */
rtems_task Init(rtems_task_argument argument);
rtems_task read_task(rtems_task_argument not_used);
#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_exit();
}
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;
TEST_BEGIN();
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_DEFAULT_MODES,
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);
TEST_END();
rtems_test_exit(0);
}
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER
#define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS 6
#define CONFIGURE_MAXIMUM_TASKS 3
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_MAXIMUM_BARRIERS 2
#define CONFIGURE_IMFS_ENABLE_MKFIFO
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
/* end of file */
