1 files changed, 85 insertions, 0 deletions
diff --git a/Build/source/libs/poppler/poppler-0.37.0/goo/GooMutex.h b/Build/source/libs/poppler/poppler-0.37.0/goo/GooMutex.h
new file mode 100644
index 00000000000..b2714b048c7
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+++ b/Build/source/libs/poppler/poppler-0.37.0/goo/GooMutex.h
@@ -0,0 +1,85 @@
+//========================================================================
+//
+// GooMutex.h
+//
+// Portable mutex macros.
+//
+// Copyright 2002-2003 Glyph & Cog, LLC
+//
+//========================================================================
+
+//========================================================================
+//
+// Modified under the Poppler project - http://poppler.freedesktop.org
+//
+// All changes made under the Poppler project to this file are licensed
+// under GPL version 2 or later
+//
+// Copyright (C) 2009 Kovid Goyal <kovid@kovidgoyal.net>
+// Copyright (C) 2013 Thomas Freitag <Thomas.Freitag@alfa.de>
+// Copyright (C) 2013 Albert Astals Cid <aacid@kde.org>
+// Copyright (C) 2013 Adam Reichold <adamreichold@myopera.com>
+// Copyright (C) 2014 Bogdan Cristea <cristeab@gmail.com>
+// Copyright (C) 2014 Peter Breitenlohner <peb@mppmu.mpg.de>
+//
+// To see a description of the changes please see the Changelog file that
+// came with your tarball or type make ChangeLog if you are building from git
+//
+//========================================================================
+
+#ifndef GMUTEX_H
+#define GMUTEX_H
+
+// Usage:
+//
+// GooMutex m;
+// gInitMutex(&m);
+// ...
+// gLockMutex(&m);
+//   ... critical section ...
+// gUnlockMutex(&m);
+// ...
+// gDestroyMutex(&m);
+
+#ifdef _WIN32
+#ifndef NOMINMAX
+#define NOMINMAX
+#endif
+#include <windows.h>
+
+typedef CRITICAL_SECTION GooMutex;
+
+#define gInitMutex(m) InitializeCriticalSection(m)
+#define gDestroyMutex(m) DeleteCriticalSection(m)
+#define gLockMutex(m) EnterCriticalSection(m)
+#define gUnlockMutex(m) LeaveCriticalSection(m)
+
+#else // assume pthreads
+
+#include <pthread.h>
+
+typedef pthread_mutex_t GooMutex;
+
+inline void gInitMutex(GooMutex *m) {
+  pthread_mutexattr_t mutexattr;
+  pthread_mutexattr_init(&mutexattr);
+  pthread_mutexattr_settype(&mutexattr, PTHREAD_MUTEX_RECURSIVE);
+  pthread_mutex_init(m, &mutexattr);
+  pthread_mutexattr_destroy(&mutexattr);
+}
+#define gDestroyMutex(m) pthread_mutex_destroy(m)
+#define gLockMutex(m) pthread_mutex_lock(m)
+#define gUnlockMutex(m) pthread_mutex_unlock(m)
+
+#endif
+
+class MutexLocker {
+public:
+  MutexLocker(GooMutex *mutexA) : mutex(mutexA) { gLockMutex(mutex); }
+  ~MutexLocker() { gUnlockMutex(mutex); }
+
+private:
+  GooMutex *mutex;
+};
+
+#endif