sunrpc/svc_run.c

   1 /* @(#)svc_run.c        2.1 88/07/29 4.0 RPCSRC */
   2 #if !defined(lint) && defined(SCCSIDS)
   3 static char sccsid[] = "@(#)svc_run.c 1.1 87/10/13 Copyr 1984 Sun Micro";
   4 #endif
   5
   6 /*
   7  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
   8  * unrestricted use provided that this legend is included on all tape
   9  * media and as a part of the software program in whole or part.  Users
  10  * may copy or modify Sun RPC without charge, but are not authorized
  11  * to license or distribute it to anyone else except as part of a product or
  12  * program developed by the user.
  13  *
  14  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  15  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  17  *
  18  * Sun RPC is provided with no support and without any obligation on the
  19  * part of Sun Microsystems, Inc. to assist in its use, correction,
  20  * modification or enhancement.
  21  *
  22  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  23  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  24  * OR ANY PART THEREOF.
  25  *
  26  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  27  * or profits or other special, indirect and consequential damages, even if
  28  * Sun has been advised of the possibility of such damages.
  29  *
  30  * Sun Microsystems, Inc.
  31  * 2550 Garcia Avenue
  32  * Mountain View, California  94043
  33  */
  34
  35 /*
  36  * This is the rpc server side idle loop
  37  * Wait for input, call server program.
  38  */
  39 #include <errno.h>
  40 #include <rpc/rpc.h>
  41
  42 static int svc_stop = 0;
  43
  44 /* This function can be used as a signal handler to terminate the
  45    server loop.  */
  46 void
  47 svc_exit (void)
  48 {
  49   svc_stop = 1;
  50 }
  51
  52 void
  53 svc_run (void)
  54 {
  55 #ifdef FD_SETSIZE
  56   fd_set readfds;
  57 #else
  58   int readfds;
  59 #endif /* def FD_SETSIZE */
  60
  61   svc_stop = 0;
  62
  63   for (;;)
  64     {
  65       if (svc_stop)
  66         return;
  67
  68 #ifdef FD_SETSIZE
  69       readfds = svc_fdset;
  70 #else
  71       readfds = svc_fds;
  72 #endif /* def FD_SETSIZE */
  73       switch (__select (_rpc_dtablesize (), &readfds, (fd_set *)NULL,
  74                         (fd_set *)NULL, (struct timeval *) 0))
  75         {
  76         case -1:
  77           if (errno == EINTR)
  78             {
  79               continue;
  80             }
  81           perror (_("svc_run: - select failed"));
  82           return;
  83         case 0:
  84           continue;
  85         default:
  86           svc_getreqset (&readfds);
  87         }
  88     }
  89 }