RPC(3): Import from FreeBSD

freebsd/lib/libc/rpc/svc_run.c

@@ -0,0 +1,99 @@
+#include <machine/rtems-bsd-user-space.h>
+
+/*	$NetBSD: svc_run.c,v 1.17 2000/07/06 03:10:35 christos Exp $	*/
+
+/*-
+ * Copyright (c) 2009, Sun Microsystems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions are met:
+ * - Redistributions of source code must retain the above copyright notice, 
+ *   this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice, 
+ *   this list of conditions and the following disclaimer in the documentation 
+ *   and/or other materials provided with the distribution.
+ * - Neither the name of Sun Microsystems, Inc. nor the names of its 
+ *   contributors may be used to endorse or promote products derived 
+ *   from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char *sccsid2 = "from: @(#)svc_run.c 1.1 87/10/13 Copyr 1984 Sun Micro";
+static char *sccsid = "from: @(#)svc_run.c	2.1 88/07/29 4.0 RPCSRC";
+#endif
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * 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 <rpc/rpc.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include "un-namespace.h"
+
+#include <rpc/rpc.h>
+#include "rpc_com.h"
+#include "mt_misc.h"
+
+void
+svc_run()
+{
+	fd_set readfds, cleanfds;
+	struct timeval timeout;
+
+	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:
+			FD_ZERO(&readfds);
+			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()
+{
+	rwlock_wrlock(&svc_fd_lock);
+	FD_ZERO(&svc_fdset);
+	rwlock_unlock(&svc_fd_lock);
+}