00001 /* SVN FILE INFO 00002 * $Revision: 174 $ : Last Committed Revision 00003 * $Date: 2008-06-24 10:50:29 -0700 (Tue, 24 Jun 2008) $ : Last Committed Date */ 00004 /*[ 00005 * Copyright (c) 2007 Integration Engineering Laboratory 00006 University of California, Davis 00007 * 00008 * Permission to use, copy, and distribute this software and its 00009 * documentation for any purpose with or without fee is hereby granted, 00010 * provided that the above copyright notice appear in all copies and 00011 * that both that copyright notice and this permission notice appear 00012 * in supporting documentation. 00013 * 00014 * Permission to modify the software is granted, but not the right to 00015 * distribute the complete modified source code. Modifications are to 00016 * be distributed as patches to the released version. Permission to 00017 * distribute binaries produced by compiling modified sources is granted, 00018 * provided you 00019 * 1. distribute the corresponding source modifications from the 00020 * released version in the form of a patch file along with the binaries, 00021 * 2. add special version identification to distinguish your version 00022 * in addition to the base release version number, 00023 * 3. provide your name and address as the primary contact for the 00024 * support of your modified version, and 00025 * 4. retain our contact information in regard to use of the base 00026 * software. 00027 * Permission to distribute the released version of the source code along 00028 * with corresponding source modifications in the form of a patch file is 00029 * granted with same provisions 2 through 4 for binary distributions. 00030 * 00031 * This software is provided "as is" without express or implied warranty 00032 * to the extent permitted by applicable law. 00033 ]*/ 00034 00035 #ifndef _BARRIER_H_ 00036 #define _BARRIER_H_ 00037 00038 #include"macros.h" 00039 #include"../mc_list/list.h" 00040 #include"mc_rwlock.h" 00041 00042 typedef struct barrier_node_s { 00043 MUTEX_T* lock; 00044 COND_T* cond; 00045 int id; 00046 int num_registered; 00047 int num_waiting; 00048 } barrier_node_t; 00049 typedef barrier_node_t* barrier_node_p; 00050 00051 typedef struct barrier_queue_s { 00052 RWLOCK_T* lock; 00053 00054 list_p list; 00055 int size; 00056 } barrier_queue_t; 00057 typedef barrier_queue_t* barrier_queue_p; 00058 00059 /* Node Funcs */ 00060 00061 barrier_node_p 00062 barrier_node_Initialize(int id, int num_registered); 00063 00064 int 00065 barrier_node_Destroy(barrier_node_p node); 00066 00067 /* List Funcs */ 00068 00069 int 00070 barrier_queue_Add(barrier_queue_p list, barrier_node_p node); 00071 00072 int 00073 barrier_queue_Delete(int id, barrier_queue_p list); 00074 00075 int barrier_queue_Destroy(barrier_queue_p queue); 00076 00077 barrier_node_p 00078 barrier_queue_Get(barrier_queue_p list, int id); 00079 00080 barrier_queue_p 00081 barrier_queue_New(void); 00082 00083 barrier_node_p 00084 barrier_queue_Pop(barrier_queue_p queue); 00085 #endif