H5TSprivate.h

00001 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
00002  * Copyright by The HDF Group.                                               *
00003  * Copyright by the Board of Trustees of the University of Illinois.         *
00004  * All rights reserved.                                                      *
00005  *                                                                           *
00006  * This file is part of HDF5.  The full HDF5 copyright notice, including     *
00007  * terms governing use, modification, and redistribution, is contained in    *
00008  * the files COPYING and Copyright.html.  COPYING can be found at the root   *
00009  * of the source code distribution tree; Copyright.html can be found at the  *
00010  * root level of an installed copy of the electronic HDF5 document set and   *
00011  * is linked from the top-level documents page.  It can also be found at     *
00012  * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
00013  * access to either file, you may request a copy from help@hdfgroup.org.     *
00014  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
00015 
00016 /*-------------------------------------------------------------------------
00017  *
00018  * Created:             H5TSprivate.h
00019  *                      May 2 2000
00020  *                      Chee Wai LEE
00021  *
00022  * Purpose:             Private non-prototype header.
00023  *
00024  * Modifications:
00025  *
00026  *-------------------------------------------------------------------------
00027  */
00028 #ifndef H5TSprivate_H_
00029 #define H5TSprivate_H_
00030 
00031 /* Public headers needed by this file */
00032 #ifdef LATER
00033 #include "H5TSpublic.h"         /*Public API prototypes */
00034 #endif /* LATER */
00035 
00036 /* Library level data structures */
00037 
00038 typedef struct H5TS_mutex_struct {
00039     pthread_t owner_thread;             /* current lock owner */
00040     pthread_mutex_t atomic_lock;        /* lock for atomicity of new mechanism */
00041     pthread_cond_t cond_var;            /* condition variable */
00042     unsigned int lock_count;
00043 } H5TS_mutex_t;
00044 
00045 /* Extern global variables */
00046 extern pthread_once_t H5TS_first_init_g;
00047 extern pthread_key_t H5TS_errstk_key_g;
00048 extern pthread_key_t H5TS_funcstk_key_g;
00049 
00050 #if defined c_plusplus || defined __cplusplus
00051 extern      "C"
00052 {
00053 #endif  /* c_plusplus || __cplusplus */
00054 
00055 H5_DLL void H5TS_first_thread_init(void);
00056 H5_DLL herr_t H5TS_mutex_lock(H5TS_mutex_t *mutex);
00057 H5_DLL herr_t H5TS_mutex_unlock(H5TS_mutex_t *mutex);
00058 H5_DLL herr_t H5TS_cancel_count_inc(void);
00059 H5_DLL herr_t H5TS_cancel_count_dec(void);
00060 
00061 #if defined c_plusplus || defined __cplusplus
00062 }
00063 #endif  /* c_plusplus || __cplusplus */
00064 
00065 #endif  /* H5TSprivate_H_ */