/*
 * 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
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char *rcsid = "$OpenBSD: svc_run.c,v 1.15 2005/04/01 07:44:04 otto Exp $";
#endif /* LIBC_SCCS and not lint */

/*
 * This is the rpc server side idle loop
 * Wait for input, call server program.
 */
#include <rpc/rpc.h>
#include <sys/errno.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

void
svc_run(void)
{
	struct pollfd *pfd = NULL;
	int nready, saved_max_pollfd = 0;

	for (;;) {
		if (svc_max_pollfd > saved_max_pollfd) {
			free(pfd);
			pfd = malloc(sizeof(*pfd) * svc_max_pollfd);
			if (pfd == NULL) {
				perror("svc_run");	/* XXX */
				return;			/* XXX */
			}
			saved_max_pollfd = svc_max_pollfd;
		}
		memcpy(pfd, svc_pollfd, sizeof(*pfd) * svc_max_pollfd);

		nready = poll(pfd, svc_max_pollfd, INFTIM);
		switch (nready) {
		case -1:
			if (errno == EINTR)
				continue;
			perror("svc_run: - poll failed");	/* XXX */
			free(pfd);
			return;					/* XXX */
		case 0:
			continue;
		default:
			svc_getreq_poll(pfd, nready);
		}
	}
}