nexmon – Blame information for rev 1

Subversion Repositories:
Rev:
Rev Author Line No. Line
1 office 1 /*---------------------------------------------------------------
2 * Copyright (c) 1999,2000,2001,2002,2003
3 * The Board of Trustees of the University of Illinois
4 * All Rights Reserved.
5 *---------------------------------------------------------------
6 * Permission is hereby granted, free of charge, to any person
7 * obtaining a copy of this software (Iperf) and associated
8 * documentation files (the "Software"), to deal in the Software
9 * without restriction, including without limitation the
10 * rights to use, copy, modify, merge, publish, distribute,
11 * sublicense, and/or sell copies of the Software, and to permit
12 * persons to whom the Software is furnished to do
13 * so, subject to the following conditions:
14 *
15 *
16 * Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and
18 * the following disclaimers.
19 *
20 *
21 * Redistributions in binary form must reproduce the above
22 * copyright notice, this list of conditions and the following
23 * disclaimers in the documentation and/or other materials
24 * provided with the distribution.
25 *
26 *
27 * Neither the names of the University of Illinois, NCSA,
28 * nor the names of its contributors may be used to endorse
29 * or promote products derived from this Software without
30 * specific prior written permission.
31 *
32 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
33 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
34 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
35 * NONINFRINGEMENT. IN NO EVENT SHALL THE CONTIBUTORS OR COPYRIGHT
36 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
37 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
38 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE
39 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
40 * ________________________________________________________________
41 * National Laboratory for Applied Network Research
42 * National Center for Supercomputing Applications
43 * University of Illinois at Urbana-Champaign
44 * http://www.ncsa.uiuc.edu
45 * ________________________________________________________________
46 *
47 * Mutex.h
48 * by Mark Gates <mgates@nlanr.net>
49 * -------------------------------------------------------------------
50 * An abstract class for locking a mutex (mutual exclusion). If
51 * threads are not available, this does nothing.
52 * ------------------------------------------------------------------- */
53 #ifndef MUTEX_H
54 #define MUTEX_H
55  
56 #include "headers.h"
57  
58 #if defined( HAVE_POSIX_THREAD )
59 typedef pthread_mutex_t Mutex;
60 #elif defined( HAVE_WIN32_THREAD )
61 typedef HANDLE Mutex;
62 #else
63 typedef int Mutex;
64 #endif
65  
66 /* ------------------------------------------------------------------- *
67 class Mutex {
68 public:*/
69  
70 // initialize mutex
71 #if defined( HAVE_POSIX_THREAD )
72 #define Mutex_Initialize( MutexPtr ) pthread_mutex_init( MutexPtr, NULL )
73 #elif defined( HAVE_WIN32_THREAD )
74 #define Mutex_Initialize( MutexPtr ) *MutexPtr = CreateMutex( NULL, 0, NULL )
75 #else
76 #define Mutex_Initialize( MutexPtr )
77 #endif
78  
79 // lock the mutex variable
80 #if defined( HAVE_POSIX_THREAD )
81 #define Mutex_Lock( MutexPtr ) pthread_mutex_lock( MutexPtr )
82 #elif defined( HAVE_WIN32_THREAD )
83 #define Mutex_Lock( MutexPtr ) WaitForSingleObject( *MutexPtr, INFINITE )
84 #else
85 #define Mutex_Lock( MutexPtr )
86 #endif
87  
88 // unlock the mutex variable
89 #if defined( HAVE_POSIX_THREAD )
90 #define Mutex_Unlock( MutexPtr ) pthread_mutex_unlock( MutexPtr )
91 #elif defined( HAVE_WIN32_THREAD )
92 #define Mutex_Unlock( MutexPtr ) ReleaseMutex( *MutexPtr )
93 #else
94 #define Mutex_Unlock( MutexPtr )
95 #endif
96  
97 // destroy, making sure mutex is unlocked
98 #if defined( HAVE_POSIX_THREAD )
99 #define Mutex_Destroy( MutexPtr ) do { \
100 int rc = pthread_mutex_destroy( MutexPtr ); \
101 if ( rc == EBUSY ) { \
102 Mutex_Unlock( MutexPtr ); \
103 pthread_mutex_destroy( MutexPtr ); \
104 } \
105 } while ( 0 )
106 #elif defined( HAVE_WIN32_THREAD )
107 #define Mutex_Destroy( MutexPtr ) CloseHandle( *MutexPtr )
108 #else
109 #define Mutex_Destroy( MutexPtr )
110 #endif
111  
112 #endif // MUTEX_H