Files
epics-base/src/client/iocinf.h
2017-09-19 17:02:36 +02:00

71 lines
2.2 KiB
C

/*************************************************************************\
* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
* National Laboratory.
* Copyright (c) 2002 The Regents of the University of California, as
* Operator of Los Alamos National Laboratory.
* EPICS BASE Versions 3.13.7
* and higher are distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
/*
*
*
* L O S A L A M O S
* Los Alamos National Laboratory
* Los Alamos, New Mexico 87545
*
* Copyright, 1986, The Regents of the University of California.
*
*
* Author Jeffrey O. Hill
* johill@lanl.gov
* 505 665 1831
*/
#ifndef INCiocinfh
#define INCiocinfh
#ifdef DEBUG
# define debugPrintf(argsInParen) ::printf argsInParen
#else
# define debugPrintf(argsInParen)
#endif
#if defined ( CLOCKS_PER_SEC )
# define CAC_SIGNIFICANT_DELAY ( 1.0 / CLOCKS_PER_SEC )
#else
# define CAC_SIGNIFICANT_DELAY (1.0 / 1000000u)
#endif
/*
* these two control the period of connection verifies
* (echo requests) - CA_CONN_VERIFY_PERIOD - and how
* long we will wait for an echo reply before we
* give up and flag the connection for disconnect
* - CA_ECHO_TIMEOUT.
*
* CA_CONN_VERIFY_PERIOD is normally obtained from an
* EPICS environment variable.
*/
static const double CA_ECHO_TIMEOUT = 5.0; /* (sec) disconn no echo reply tmo */
static const double CA_CONN_VERIFY_PERIOD = 30.0; /* (sec) how often to request echo */
/*
* this determines the number of messages received
* without a delay in between before we go into
* monitor flow control
*
* turning this down effects maximum throughput
* because we dont get an optimal number of bytes
* per network frame
*/
static const unsigned contiguousMsgCountWhichTriggersFlowControl = 10u;
/*
* CA internal functions
*/
#define genLocalExcep( CBGUARD, GUARD, CAC, STAT, PCTX ) \
(CAC).exception ( CBGUARD, GUARD, STAT, PCTX, __FILE__, __LINE__ )
#endif // ifdef INCiocinfh