75 lines
2.9 KiB
C
75 lines
2.9 KiB
C
/************************************************************************/
|
|
/* SISCO SOFTWARE MODULE HEADER *****************************************/
|
|
/************************************************************************/
|
|
/* (c) Copyright Systems Integration Specialists Company, Inc., */
|
|
/* 2003 All Rights Reserved */
|
|
/* */
|
|
/* MODULE NAME : event2.c */
|
|
/* PRODUCT(S) : MMSEASE-LITE */
|
|
/* */
|
|
/* MODULE DESCRIPTION : */
|
|
/* Event handling function. This function may be used ONLY if */
|
|
/* the the POLLING version of the "gensock2" sockets interface is */
|
|
/* used (i.e. gensock2.c is compiled with GENSOCK_THREAD_SUPPORT */
|
|
/* NOT defined). */
|
|
/* */
|
|
/* GLOBAL FUNCTIONS DEFINED IN THIS MODULE : */
|
|
/* wait_any_event () */
|
|
/* */
|
|
/* MODIFICATION LOG : */
|
|
/* Date Who Rev Comments */
|
|
/* -------- --- ------ ------------------------------------------- */
|
|
/* 01/30/07 JRB 04 Shorten sleep to avoid delay detecting connect.*/
|
|
/* 12/11/06 JRB 03 Wait for Subnetwork events too. */
|
|
/* 11/01/06 JRB 02 Call sMsSleep when no connections, */
|
|
/* so we don't hog the CPU. */
|
|
/* 07/10/03 JRB 01 Created */
|
|
/************************************************************************/
|
|
|
|
#include "glbtypes.h"
|
|
#include "sysincs.h"
|
|
#include "mmsdefs.h"
|
|
#include "gensock2.h"
|
|
#include "clnp_sne.h" /* for "Subnetwork" event stuff */
|
|
|
|
/************************************************************************/
|
|
/* wait_any_event */
|
|
/* Wait for "socket" events OR "Subnetwork" events. */
|
|
/* NOTE: See comments about "PORTING" if this function needs */
|
|
/* to wait on "other" handles. */
|
|
/************************************************************************/
|
|
ST_VOID wait_any_event (ST_LONG max_ms_delay)
|
|
{
|
|
GENSOCK_FD_SET sockFds;
|
|
int nfds;
|
|
struct timeval selectTimeout;
|
|
|
|
/* This function assumes only one group of sockets to process. */
|
|
sockInitAllFds (&sockFds);
|
|
|
|
/* If Subnetwork handle "hPktSock" is valid, add it to list. */
|
|
if (hPktSock >= 0)
|
|
sockAddReadFds (&sockFds, hPktSock);
|
|
|
|
/* PORTING: Call sockAddReadFds, sockAddWriteFds, sockAddExceptFds
|
|
* to add "other" handles on which to wait.
|
|
*/
|
|
if (sockFds.totalfds)
|
|
{
|
|
/* Convert milliseconds to seconds and microseconds */
|
|
selectTimeout.tv_sec = max_ms_delay / 1000; /* seconds */
|
|
selectTimeout.tv_usec = (max_ms_delay % 1000) * 1000; /* microseconds */
|
|
nfds = select (sockFds.selectnfds, &sockFds.readfds, &sockFds.writefds, &sockFds.exceptfds, &selectTimeout);
|
|
|
|
/* PORTING: Add code to process "other" handles. */
|
|
}
|
|
else
|
|
sMsSleep (10); /* no sockets to wait on, so sleep a little to avoid hogging CPU.*/
|
|
|
|
/* NOTE: socket events are NOT processed here. This function simply returns,
|
|
* and the caller must call "mvl_comm_serve" to process the events.
|
|
*/
|
|
return;
|
|
}
|
|
|