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rpc_dtablesize.c revision 1.4.2.1 
      1  1.4.2.1     jtc /*	$NetBSD: rpc_dtablesize.c,v 1.4.2.1 1996/09/16 23:44:34 jtc Exp $	*/
      2      1.3     cgd 
      3      1.1     cgd /*
      4      1.1     cgd  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
      5      1.1     cgd  * unrestricted use provided that this legend is included on all tape
      6      1.1     cgd  * media and as a part of the software program in whole or part.  Users
      7      1.1     cgd  * may copy or modify Sun RPC without charge, but are not authorized
      8      1.1     cgd  * to license or distribute it to anyone else except as part of a product or
      9      1.1     cgd  * program developed by the user.
     10      1.1     cgd  *
     11      1.1     cgd  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
     12      1.1     cgd  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
     13      1.1     cgd  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
     14      1.1     cgd  *
     15      1.1     cgd  * Sun RPC is provided with no support and without any obligation on the
     16      1.1     cgd  * part of Sun Microsystems, Inc. to assist in its use, correction,
     17      1.1     cgd  * modification or enhancement.
     18      1.1     cgd  *
     19      1.1     cgd  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
     20      1.1     cgd  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
     21      1.1     cgd  * OR ANY PART THEREOF.
     22      1.1     cgd  *
     23      1.1     cgd  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
     24      1.1     cgd  * or profits or other special, indirect and consequential damages, even if
     25      1.1     cgd  * Sun has been advised of the possibility of such damages.
     26      1.1     cgd  *
     27      1.1     cgd  * Sun Microsystems, Inc.
     28      1.1     cgd  * 2550 Garcia Avenue
     29      1.1     cgd  * Mountain View, California  94043
     30      1.1     cgd  */
     31      1.1     cgd 
     32      1.1     cgd #if defined(LIBC_SCCS) && !defined(lint)
     33      1.1     cgd /*static char *sccsid = "from: @(#)rpc_dtablesize.c 1.2 87/08/11 Copyr 1987 Sun Micro";*/
     34      1.1     cgd /*static char *sccsid = "from: @(#)rpc_dtablesize.c	2.1 88/07/29 4.0 RPCSRC";*/
     35  1.4.2.1     jtc static char *rcsid = "$NetBSD: rpc_dtablesize.c,v 1.4.2.1 1996/09/16 23:44:34 jtc Exp $";
     36      1.1     cgd #endif
     37      1.1     cgd 
     38  1.4.2.1     jtc #include "namespace.h"
     39      1.2  andrew #include <sys/types.h>
     40      1.2  andrew 
     41      1.1     cgd /*
     42      1.1     cgd  * Cache the result of getdtablesize(), so we don't have to do an
     43      1.1     cgd  * expensive system call every time.
     44      1.1     cgd  */
     45      1.4     jtc int
     46      1.1     cgd _rpc_dtablesize()
     47      1.1     cgd {
     48      1.1     cgd 	static int size;
     49      1.1     cgd 
     50      1.1     cgd 	if (size == 0) {
     51      1.1     cgd 		size = getdtablesize();
     52      1.2  andrew #ifdef FD_SETSIZE
     53      1.2  andrew 		/* prevent select() from breaking */
     54      1.2  andrew 		if (size > FD_SETSIZE)
     55      1.2  andrew 			size = FD_SETSIZE;
     56      1.2  andrew #endif
     57      1.1     cgd 	}
     58      1.1     cgd 	return (size);
     59      1.1     cgd }
     60