Merged eb/omni -r4315:4327 into trunk.

Extracted omnithread from gnuradio-core and made it a top-level
component.  This allows mblock to use it without a dependency on
gnuradio-core.  Completes ticket:132


git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@4328 221aa14e-8319-0410-a670-987f0aec2ac5

1 files changed, 85 insertions, 0 deletions

diff --git a/omnithread/ot_nt.h b/omnithread/ot_nt.h
new file mode 100644
index 000000000..551ccf2f1
--- /dev/null
+++ b/omnithread/ot_nt.h
@@ -0,0 +1,85 @@
+//				Package : omnithread
+// omnithread/nt.h		Created : 6/95 tjr
+//
+//    Copyright (C) 1995, 1996, 1997 Olivetti & Oracle Research Laboratory
+//
+//    This file is part of the omnithread library
+//
+//    The omnithread library is free software; you can redistribute it and/or
+//    modify it under the terms of the GNU Library 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
+//    Library General Public License for more details.
+//
+//    You should have received a copy of the GNU Library General Public
+//    License along with this library; if not, write to the Free
+//    Software Foundation, Inc., 51 Franklin Street, Boston, MA  
+//    02110-1301, USA
+//
+//
+// OMNI thread implementation classes for NT threads.
+//
+
+#ifndef __omnithread_nt_h_
+#define __omnithread_nt_h_
+
+#ifndef WIN32_LEAN_AND_MEAN
+#  define WIN32_LEAN_AND_MEAN
+#  define OMNI_DEFINED_WIN32_LEAN_AND_MEAN
+#endif
+
+#include <windows.h>
+
+#ifdef OMNI_DEFINED_WIN32_LEAN_AND_MEAN
+#  undef WIN32_LEAN_AND_MEAN
+#  undef OMNI_DEFINED_WIN32_LEAN_AND_MEAN
+#endif
+
+
+#ifndef __BCPLUSPLUS__
+#define OMNI_THREAD_WRAPPER \
+    unsigned __stdcall omni_thread_wrapper(LPVOID ptr);
+#else
+#define OMNI_THREAD_WRAPPER \
+    void _USERENTRY omni_thread_wrapper(void *ptr);
+#endif
+
+extern "C" OMNI_THREAD_WRAPPER;
+
+#define OMNI_MUTEX_IMPLEMENTATION			\
+    CRITICAL_SECTION crit;
+
+#define OMNI_MUTEX_LOCK_IMPLEMENTATION                  \
+    EnterCriticalSection(&crit);
+
+#define OMNI_MUTEX_TRYLOCK_IMPLEMENTATION               \
+    TryEnterCriticalSection(&crit);
+
+#define OMNI_MUTEX_UNLOCK_IMPLEMENTATION                \
+    LeaveCriticalSection(&crit);
+
+#define OMNI_CONDITION_IMPLEMENTATION			\
+    CRITICAL_SECTION crit;				\
+    omni_thread* waiting_head;				\
+    omni_thread* waiting_tail;
+
+#define OMNI_SEMAPHORE_IMPLEMENTATION			\
+    HANDLE nt_sem;
+
+#define OMNI_THREAD_IMPLEMENTATION			\
+    HANDLE handle;					\
+    DWORD nt_id;					\
+    void* return_val;					\
+    HANDLE cond_semaphore;				\
+    omni_thread* cond_next;				\
+    omni_thread* cond_prev;				\
+    BOOL cond_waiting;					\
+    static int nt_priority(priority_t);			\
+    friend class omni_condition;			\
+    friend OMNI_THREAD_WRAPPER;
+
+#endif