diff options
Diffstat (limited to 'nuttx/examples/pipe/transfer_test.c')
-rw-r--r-- | nuttx/examples/pipe/transfer_test.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/nuttx/examples/pipe/transfer_test.c b/nuttx/examples/pipe/transfer_test.c deleted file mode 100644 index cb8cad04a..000000000 --- a/nuttx/examples/pipe/transfer_test.c +++ /dev/null @@ -1,242 +0,0 @@ -/**************************************************************************** - * examples/pipe/transfer_test.c - * - * Copyright (C) 2008-2009 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> - * - * 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. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * 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. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#include <stdio.h> -#include <unistd.h> -#include <errno.h> - -#include "pipe.h" - -/**************************************************************************** - * Pre-proecessor Definitions - ****************************************************************************/ - -#define MAX_BYTE 13 - -#define WRITE_SIZE MAX_BYTE -#define NWRITES 1400 -#define NWRITE_BYTES (NWRITES * WRITE_SIZE) - -#define READ_SIZE (2*MAX_BYTE) -#define NREADS (NWRITES / 2) -#define NREAD_BYTES NWRITE_BYTES - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: transfer_reader - ****************************************************************************/ - -static void *transfer_reader(pthread_addr_t pvarg) -{ - char buffer[READ_SIZE]; - int fd = (int)pvarg; - int ret; - int nbytes; - int value; - int ndx; - - printf("transfer_reader: started\n"); - for (nbytes = 0, value = 0; nbytes < NREAD_BYTES;) - { - ret = read(fd, buffer, READ_SIZE); - if (ret < 0 ) - { - fprintf(stderr, "transfer_reader: read failed, errno=%d\n", errno); - return (void*)1; - } - else if (ret == 0) - { - if (nbytes < NREAD_BYTES) - { - fprintf(stderr, "transfer_reader: Too few bytes read -- aborting: %d\n", nbytes); - return (void*)2; - } - break; - } - for (ndx = 0; ndx < ret; ndx++) - { - if (value >= WRITE_SIZE) - { - value = 0; - } - if (buffer[ndx] != value) - { - fprintf(stderr, "transfer_reader: Byte %d, expected %d, found %d\n", - nbytes + ndx, value, buffer[ndx]); - return (void*)3; - } - value++; - } - nbytes += ret; - if (nbytes > NREAD_BYTES) - { - fprintf(stderr, "transfer_reader: Too many bytes read -- aborting: %d\n", nbytes); - return (void*)4; - } - } - printf("transfer_reader: %d bytes read\n", nbytes); - return (void*)0; -} - -/**************************************************************************** - * Name: transfer_writer - ****************************************************************************/ - -static void *transfer_writer(pthread_addr_t pvarg) -{ - char buffer[WRITE_SIZE]; - int fd = (int)pvarg; - int ret; - int i; - - printf("transfer_writer: started\n"); - for (i = 0; i < WRITE_SIZE; i++) - { - buffer[i] = i; - } - - for (i = 0; i < NWRITES; i++) - { - ret = write(fd, buffer, WRITE_SIZE); - if (ret < 0 ) - { - fprintf(stderr, "transfer_writer: write failed, errno=%d\n", errno); - return (void*)1; - } - else if (ret != WRITE_SIZE) - { - fprintf(stderr, "transfer_writer: Unexpected write size=%d\n", ret); - return (void*)2; - } - } - printf("transfer_writer: %d bytes written\n", NWRITE_BYTES); - return (void*)0; -} - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: transfer_test - ****************************************************************************/ - -int transfer_test(int fdin, int fdout) -{ - pthread_t readerid; - pthread_t writerid; - void *value; - int tmp; - int ret; - - /* Start transfer_reader thread */ - - printf("transfer_test: Starting transfer_reader thread\n"); - ret = pthread_create(&readerid, NULL, transfer_reader, (pthread_addr_t)fdin); - if (ret != 0) - { - fprintf(stderr, "transfer_test: Failed to create transfer_reader thread, error=%d\n", ret); - return 1; - } - - /* Start transfer_writer thread */ - - printf("transfer_test: Starting transfer_writer thread\n"); - ret = pthread_create(&writerid, NULL, transfer_writer, (pthread_addr_t)fdout); - if (ret != 0) - { - fprintf(stderr, "transfer_test: Failed to create transfer_writer thread, error=%d\n", ret); - pthread_detach(readerid); - ret = pthread_cancel(readerid); - if (ret != 0) - { - fprintf(stderr, "transfer_test: Failed to cancel transfer_reader thread, error=%d\n", ret); - } - return 2; - } - - /* Wait for transfer_writer thread to complete */ - - printf("transfer_test: Waiting for transfer_writer thread\n"); - ret = pthread_join(writerid, &value); - if (ret != 0) - { - fprintf(stderr, "transfer_test: pthread_join failed, error=%d\n", ret); - } - else - { - ret = (int)value; - printf("transfer_test: transfer_writer returned %d\n", ret); - } - - /* Wait for transfer_reader thread to complete */ - - printf("transfer_test: Waiting for transfer_reader thread\n"); - tmp = pthread_join(readerid, &value); - if (tmp != 0) - { - fprintf(stderr, "transfer_test: pthread_join failed, error=%d\n", ret); - } - else - { - tmp = (int)value; - printf("transfer_test: transfer_reader returned %d\n", tmp); - } - - if (ret == 0) - { - ret = tmp; - } - printf("transfer_test: returning %d\n", ret); - return ret; -} - |