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+/*
+ * global.c
+ *
+ * Description:
+ * This translation unit instantiates data associated with the implementation
+ * as a whole.
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Pthreads-win32 - POSIX Threads Library for Win32
+ * Copyright(C) 1998 John E. Bossom
+ * Copyright(C) 1999,2005 Pthreads-win32 contributors
+ *
+ * Contact Email: rpj@callisto.canberra.edu.au
+ *
+ * The current list of contributors is contained
+ * in the file CONTRIBUTORS included with the source
+ * code distribution. The list can also be seen at the
+ * following World Wide Web location:
+ * http://sources.redhat.com/pthreads-win32/contributors.html
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library in the file COPYING.LIB;
+ * if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include "pthread.h"
+#include "implement.h"
+
+
+int ptw32_processInitialized = PTW32_FALSE;
+ptw32_thread_t * ptw32_threadReuseTop = PTW32_THREAD_REUSE_EMPTY;
+ptw32_thread_t * ptw32_threadReuseBottom = PTW32_THREAD_REUSE_EMPTY;
+pthread_key_t ptw32_selfThreadKey = NULL;
+pthread_key_t ptw32_cleanupKey = NULL;
+pthread_cond_t ptw32_cond_list_head = NULL;
+pthread_cond_t ptw32_cond_list_tail = NULL;
+
+int ptw32_concurrency = 0;
+
+/* What features have been auto-detaected */
+int ptw32_features = 0;
+
+BOOL ptw32_smp_system = PTW32_TRUE; /* Safer if assumed true initially. */
+
+/*
+ * Function pointer to InterlockedCompareExchange if it exists, otherwise
+ * it will be set at runtime to a substitute local version with the same
+ * functionality but may be architecture specific.
+ */
+PTW32_INTERLOCKED_LONG
+ (WINAPI * ptw32_interlocked_compare_exchange) (PTW32_INTERLOCKED_LPLONG,
+ PTW32_INTERLOCKED_LONG,
+ PTW32_INTERLOCKED_LONG) =
+ NULL;
+
+/*
+ * Function pointer to QueueUserAPCEx if it exists, otherwise
+ * it will be set at runtime to a substitute routine which cannot unblock
+ * blocked threads.
+ */
+DWORD (*ptw32_register_cancelation) (PAPCFUNC, HANDLE, DWORD) = NULL;
+
+/*
+ * Global lock for managing pthread_t struct reuse.
+ */
+CRITICAL_SECTION ptw32_thread_reuse_lock;
+
+/*
+ * Global lock for testing internal state of statically declared mutexes.
+ */
+CRITICAL_SECTION ptw32_mutex_test_init_lock;
+
+/*
+ * Global lock for testing internal state of PTHREAD_COND_INITIALIZER
+ * created condition variables.
+ */
+CRITICAL_SECTION ptw32_cond_test_init_lock;
+
+/*
+ * Global lock for testing internal state of PTHREAD_RWLOCK_INITIALIZER
+ * created read/write locks.
+ */
+CRITICAL_SECTION ptw32_rwlock_test_init_lock;
+
+/*
+ * Global lock for testing internal state of PTHREAD_SPINLOCK_INITIALIZER
+ * created spin locks.
+ */
+CRITICAL_SECTION ptw32_spinlock_test_init_lock;
+
+/*
+ * Global lock for condition variable linked list. The list exists
+ * to wake up CVs when a WM_TIMECHANGE message arrives. See
+ * w32_TimeChangeHandler.c.
+ */
+CRITICAL_SECTION ptw32_cond_list_lock;
+
+#ifdef _UWIN
+/*
+ * Keep a count of the number of threads.
+ */
+int pthread_count = 0;
+#endif