forked from Archive/PX4-Autopilot
129 lines
4.8 KiB
C
129 lines
4.8 KiB
C
/****************************************************************************
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* examples/poll/poll_internal.h
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*
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* Copyright (C) 2008, 2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __EXAMPLES_PIPE_PIPE_H
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#define __EXAMPLES_PIPE_PIPE_H
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/****************************************************************************
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* Compilation Switches
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <pthread.h>
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/****************************************************************************
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* Definitions
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****************************************************************************/
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#ifdef CONFIG_DISABLE_POLL
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# error "The polling API is disabled"
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#endif
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/* Here are all of the configuration settings that must be met to have TCP/IP
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* poll/select support. This kind of looks like overkill.
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*
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* CONFIG_NET - Network support must be enabled
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* CONFIG_NSOCKET_DESCRIPTORS - Socket descriptors must be allocated
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* CONFIG_NET_TCP - Only support on TCP (because read-ahead
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* ibuffering s not yet support for UDP)
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* CONFIG_NET_NTCP_READAHEAD_BUFFERS - TCP/IP read-ahead buffering must be enabled
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*/
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#if defined(CONFIG_NET) && CONFIG_NSOCKET_DESCRIPTORS > 0 && \
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defined(CONFIG_NET_TCP) && CONFIG_NET_NTCP_READAHEAD_BUFFERS > 0
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# define HAVE_NETPOLL 1
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#else
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# undef HAVE_NETPOLL
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#endif
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/* If debug is enabled, then use syslog so that OS debug output and
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* the test output are synchronized.
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*
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* These macros will differ depending upon if the toolchain supports
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* macros with a variable number of arguments or not.
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*/
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#ifdef CONFIG_CPP_HAVE_VARARGS
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# ifdef CONFIG_DEBUG
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# define message(...) syslog(__VA_ARGS__)
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# define msgflush()
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# else
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# define message(...) printf(__VA_ARGS__)
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# define msgflush() fflush(stdout)
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# endif
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#else
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# ifdef CONFIG_DEBUG
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# define message syslog
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# define msgflush()
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# else
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# define message printf
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# define msgflush() fflush(stdout)
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# endif
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#endif
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#define FIFO_PATH1 "/dev/fifo0"
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#define FIFO_PATH2 "/dev/fifo1"
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#define POLL_LISTENER_DELAY 2000 /* 2 seconds */
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#define SELECT_LISTENER_DELAY 4 /* 4 seconds */
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#define NET_LISTENER_DELAY 3 /* 3 seconds */
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#define WRITER_DELAY 6 /* 6 seconds */
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#define LISTENER_PORT 5471
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Variables
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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extern void *poll_listener(pthread_addr_t pvarg);
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extern void *select_listener(pthread_addr_t pvarg);
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#ifdef HAVE_NETPOLL
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extern void *net_listener(pthread_addr_t pvarg);
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extern void *net_reader(pthread_addr_t pvarg);
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#endif
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#endif /* __EXAMPLES_PIPE_PIPE_H */
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