From 7c720bec5600a9e607c875c670ca30ed351fa4ba Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 15 Apr 2024 20:20:54 +0200
Subject: Adding upstream version 2.1.9+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 include/Mutex.h | 112 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 include/Mutex.h

(limited to 'include/Mutex.h')

diff --git a/include/Mutex.h b/include/Mutex.h
new file mode 100644
index 0000000..2d22dc3
--- /dev/null
+++ b/include/Mutex.h
@@ -0,0 +1,112 @@
+/*---------------------------------------------------------------
+ * Copyright (c) 1999,2000,2001,2002,2003
+ * The Board of Trustees of the University of Illinois
+ * All Rights Reserved.
+ *---------------------------------------------------------------
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software (Iperf) and associated
+ * documentation files (the "Software"), to deal in the Software
+ * without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit
+ * persons to whom the Software is furnished to do
+ * so, subject to the following conditions:
+ *
+ *
+ * Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and
+ * the following disclaimers.
+ *
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimers in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ *
+ * Neither the names of the University of Illinois, NCSA,
+ * nor the names of its contributors may be used to endorse
+ * or promote products derived from this Software without
+ * specific prior written permission.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE CONTIBUTORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * ________________________________________________________________
+ * National Laboratory for Applied Network Research
+ * National Center for Supercomputing Applications
+ * University of Illinois at Urbana-Champaign
+ * http://www.ncsa.uiuc.edu
+ * ________________________________________________________________
+ *
+ * Mutex.h
+ * by Mark Gates <mgates@nlanr.net>
+ * -------------------------------------------------------------------
+ * An abstract class for locking a mutex (mutual exclusion). If
+ * threads are not available, this does nothing.
+ * ------------------------------------------------------------------- */
+#ifndef MUTEX_H
+#define MUTEX_H
+
+#include "headers.h"
+
+#if   defined( HAVE_POSIX_THREAD )
+    typedef pthread_mutex_t Mutex;
+#elif defined( HAVE_WIN32_THREAD )
+    typedef HANDLE Mutex;
+#else
+    typedef int Mutex;
+#endif
+
+/* ------------------------------------------------------------------- *
+class Mutex {
+public:*/
+
+    // initialize mutex
+#if   defined( HAVE_POSIX_THREAD )
+    #define Mutex_Initialize( MutexPtr ) pthread_mutex_init( MutexPtr, NULL )
+#elif defined( HAVE_WIN32_THREAD )
+    #define Mutex_Initialize( MutexPtr ) *MutexPtr = CreateMutex( NULL, 0, NULL )
+#else
+    #define Mutex_Initialize( MutexPtr )
+#endif
+
+    // lock the mutex variable
+#if   defined( HAVE_POSIX_THREAD )
+    #define Mutex_Lock( MutexPtr ) pthread_mutex_lock( MutexPtr )
+#elif defined( HAVE_WIN32_THREAD )
+    #define Mutex_Lock( MutexPtr ) WaitForSingleObject( *MutexPtr, INFINITE )
+#else
+    #define Mutex_Lock( MutexPtr )
+#endif
+
+    // unlock the mutex variable
+#if   defined( HAVE_POSIX_THREAD )
+    #define Mutex_Unlock( MutexPtr ) pthread_mutex_unlock( MutexPtr )
+#elif defined( HAVE_WIN32_THREAD )
+    #define Mutex_Unlock( MutexPtr ) ReleaseMutex( *MutexPtr )
+#else
+    #define Mutex_Unlock( MutexPtr )
+#endif
+
+    // destroy, making sure mutex is unlocked
+#if   defined( HAVE_POSIX_THREAD )
+    #define Mutex_Destroy( MutexPtr )  do {         \
+        int rc = pthread_mutex_destroy( MutexPtr ); \
+        if ( rc == EBUSY ) {                        \
+            Mutex_Unlock( MutexPtr );               \
+            pthread_mutex_destroy( MutexPtr );      \
+        }                                           \
+    } while ( 0 )
+#elif defined( HAVE_WIN32_THREAD )
+    #define Mutex_Destroy( MutexPtr ) CloseHandle( *MutexPtr )
+#else
+    #define Mutex_Destroy( MutexPtr )
+#endif
+
+#endif // MUTEX_H
-- 
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