source: rtems-libbsd/services/librpc/src/rpc/rpc_dtablesize.c @ e599318

4.115-freebsd-12freebsd-9.3
Last change on this file since e599318 was e599318, checked in by Sebastian Huber <sebastian.huber@…>, on Oct 9, 2013 at 8:52:54 PM

Update files to match FreeBSD layout

Add compatibility with Newlib header files. Some FreeBSD header files
are mapped by the translation script:

o rtems/bsd/sys/_types.h
o rtems/bsd/sys/errno.h
o rtems/bsd/sys/lock.h
o rtems/bsd/sys/param.h
o rtems/bsd/sys/resource.h
o rtems/bsd/sys/time.h
o rtems/bsd/sys/timespec.h
o rtems/bsd/sys/types.h
o rtems/bsd/sys/unistd.h

It is now possible to include <sys/socket.h> directly for example.

Generate one Makefile which builds everything including tests.

  • Property mode set to 100644
File size: 2.2 KB
Line 
1/*
2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part.  Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
8 *
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
12 *
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
16 *
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
20 *
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
24 *
25 * Sun Microsystems, Inc.
26 * 2550 Garcia Avenue
27 * Mountain View, California  94043
28 */
29
30#if defined(LIBC_SCCS) && !defined(lint)
31/*static char *sccsid = "from: @(#)rpc_dtablesize.c 1.2 87/08/11 Copyr 1987 Sun Micro";*/
32/*static char *sccsid = "from: @(#)rpc_dtablesize.c     2.1 88/07/29 4.0 RPCSRC";*/
33static char *rcsid = "$FreeBSD: src/lib/libc/rpc/rpc_dtablesize.c,v 1.10 1999/08/28 00:00:45 peter Exp $";
34#endif
35
36#ifdef HAVE_CONFIG_H
37#include "config.h"
38#endif
39
40#include <sys/types.h>
41#include <unistd.h>
42
43/*
44 * Cache the result of getdtablesize(), so we don't have to do an
45 * expensive system call every time.
46 */
47/*
48 * XXX In FreeBSD 2.x, you can have the maximum number of open file
49 * descriptors be greater than FD_SETSIZE (which us 256 by default).
50 *
51 * Since old programs tend to use this call to determine the first arg
52 * for select(), having this return > FD_SETSIZE is a Bad Idea(TM)!
53 */
54int
55_rpc_dtablesize(void)
56{
57        static int size;
58
59        if (size == 0) {
60                size = getdtablesize();
61                if (size > FD_SETSIZE)
62                        size = FD_SETSIZE;
63        }
64        return (size);
65}
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