NetBSD/lib/libc/rpc/svc_run.c

111 lines
2.8 KiB
C

/* $NetBSD: svc_run.c,v 1.18 2002/11/08 00:13:08 fvdl Exp $ */
/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char *sccsid = "@(#)svc_run.c 1.1 87/10/13 Copyr 1984 Sun Micro";
static char *sccsid = "@(#)svc_run.c 2.1 88/07/29 4.0 RPCSRC";
#else
__RCSID("$NetBSD: svc_run.c,v 1.18 2002/11/08 00:13:08 fvdl Exp $");
#endif
#endif
/*
* This is the rpc server side idle loop
* Wait for input, call server program.
*/
#include "namespace.h"
#include "reentrant.h"
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <rpc/rpc.h>
#include "rpc_internal.h"
#ifdef __weak_alias
__weak_alias(svc_run,_svc_run)
__weak_alias(svc_exit,_svc_exit)
#endif
void
svc_run()
{
fd_set readfds, cleanfds;
struct timeval timeout;
#ifdef __REENT
extern rwlock_t svc_fd_lock;
#endif
timeout.tv_sec = 30;
timeout.tv_usec = 0;
for (;;) {
rwlock_rdlock(&svc_fd_lock);
readfds = svc_fdset;
cleanfds = svc_fdset;
rwlock_unlock(&svc_fd_lock);
switch (select(svc_maxfd+1, &readfds, NULL, NULL, &timeout)) {
case -1:
if (errno == EINTR) {
continue;
}
warn("svc_run: - select failed");
return;
case 0:
__svc_clean_idle(&cleanfds, 30, FALSE);
continue;
default:
svc_getreqset(&readfds);
}
}
}
/*
* This function causes svc_run() to exit by telling it that it has no
* more work to do.
*/
void
svc_exit()
{
#ifdef __REENT
extern rwlock_t svc_fd_lock;
#endif
rwlock_wrlock(&svc_fd_lock);
FD_ZERO(&svc_fdset);
rwlock_unlock(&svc_fd_lock);
}