usr/src/lib/libc/port/rt/pos4obj.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, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _POS4OBJ_H
  28 #define _POS4OBJ_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 /*
  33  * pos4obj.h - Header file for POSIX.4 related object names
  34  */
  35
  36 #ifdef  __cplusplus
  37 extern "C" {
  38 #endif
  39
  40 /* flags used to indicate current state of open */
  41 #define DFILE_CREATE    0x01
  42 #define DFILE_OPEN      0x02
  43 #define ALLOC_MEM       0x04
  44 #define DFILE_MMAP      0x08
  45 #define PFILE_CREATE    0x10
  46 #define NFILE_CREATE    0x20
  47 #define MQDNP_MMAP      0x40
  48
  49 /* semaphore object types - used in constructing file name */
  50 #define SEM_DATA_TYPE   ".SEMD"
  51 #define SEM_LOCK_TYPE   ".SEML"
  52
  53 /* message queue object types - used in constructing file name */
  54 #define MQ_DATA_TYPE    ".MQD"
  55 #define MQ_PERM_TYPE    ".MQP"
  56 #define MQ_DSCN_TYPE    ".MQN"
  57 #define MQ_LOCK_TYPE    ".MQL"
  58
  59 /* shared memory object types - used in constructing file name */
  60 #define SHM_DATA_TYPE   ".SHMD"
  61 #define SHM_LOCK_TYPE   ".SHML"
  62
  63 /* functions defined related to object names in POSIX.4 */
  64 extern  int     __pos4obj_lock(const char *, const char *);
  65 extern  int     __pos4obj_unlock(const char *, const char *);
  66 extern  int     __pos4obj_unlink(const char *, const char *);
  67 extern  int     __pos4obj_open(const char *, char *, int, mode_t, int *);
  68 extern  int     __pos4obj_check(const char *);
  69
  70 /* non-cancelable file operations */
  71 int     __open_nc(const char *, int, mode_t);
  72 int     __close_nc(int);
  73
  74 #ifdef  __cplusplus
  75 }
  76 #endif
  77
  78 #endif  /* _POS4OBJ_H */