usr/src/lib/libc/port/nsl/rpc_mt.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*
  28  *      Contains the mt libraries include definitions
  29  */
  30
  31 #ifndef _RPC_MT_H
  32 #define _RPC_MT_H
  33
  34 #pragma ident   "%Z%%M% %I%     %E% SMI"
  35
  36 #include <sys/types.h>
  37 #include <rpc/rpc.h>
  38 #include <netconfig.h>
  39
  40 #ifdef  __cplusplus
  41 extern "C" {
  42 #endif
  43
  44 /*
  45  * declaration to private interfaces in rpc library
  46  */
  47
  48 extern int svc_npollfds;
  49 extern int svc_npollfds_set;
  50 extern int svc_pollfd_allocd;
  51 extern rwlock_t svc_fd_lock;
  52
  53 /*
  54  * macros to handle pollfd array; ***** Note that the macro takes
  55  * address of the array ( &array[0] ) always not the address of an
  56  * element *****.
  57  */
  58
  59 #define MASKVAL (POLLIN | POLLPRI | POLLRDNORM | POLLRDBAND)
  60 #define POLLFD_EXTEND           64
  61 #define POLLFD_SHRINK           (2 * POLLFD_EXTEND)
  62 #define POLLFD_SET(x, y)        { \
  63                                         (y)[(x)].fd = (x); \
  64                                         (y)[(x)].events = MASKVAL; \
  65                                 }
  66 #define POLLFD_CLR(x, y)        { \
  67                                         (y)[(x)].fd = -1; \
  68                                         (y)[(x)].events = 0; \
  69                                         (y)[(x)].revents = 0; \
  70                                 }
  71 #define POLLFD_ISSET(x, y)      ((y)[(x)].fd >= 0)
  72
  73
  74 extern int __rpc_use_pollfd_done;
  75 extern int __rpc_rlim_max(void);
  76
  77 /* Following functions create and manipulates the dgfd lock object */
  78
  79 extern void *rpc_fd_init(void);
  80 extern int rpc_fd_lock(const void *handle, int fd);
  81 extern void rpc_fd_unlock(const void *handle, int fd);
  82
  83 #define RPC_FD_NOTIN_FDSET(x)   (!__rpc_use_pollfd_done && (x) >= FD_SETSIZE)
  84 #define FD_INCREMENT FD_SETSIZE
  85
  86 /*
  87  * External functions without prototypes.  This is somewhat crufty, but
  88  * there is no other header file for this directory.  One should probably
  89  * be created and this stuff moved there if there turns out to be no better
  90  * way to avoid the warnings.
  91  */
  92
  93 #define RPC_MINFD       3
  94
  95 #define RPC_RAISEFD(fd)         if (fd < RPC_MINFD) \
  96                                         fd = __rpc_raise_fd(fd)
  97
  98 extern int      __getpublickey_cached(char *, char *, int *);
  99 extern void     __getpublickey_flush(const char *);
 100 extern int      __can_use_af(sa_family_t);
 101 extern int      __rpc_raise_fd(int);
 102 extern void     __tli_sys_strerror(char *, size_t, int, int);
 103
 104 #ifdef  __cplusplus
 105 }
 106 #endif
 107
 108 #endif  /* !_RPC_MT_H */