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, 81 insertions, 0 deletions

diff --git a/omnithread/ot_posix.h b/omnithread/ot_posix.h
new file mode 100644
index 000000000..666ccc089
--- /dev/null
+++ b/omnithread/ot_posix.h
@@ -0,0 +1,81 @@
+//				Package : omnithread
+// omnithread/posix.h		Created : 7/94 tjr
+//
+//    Copyright (C) 2006 Free Software Foundation, Inc.
+//    Copyright (C) 1994,1995,1996, 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 posix threads
+//
+
+#ifndef __omnithread_posix_h_
+#define __omnithread_posix_h_
+
+#if defined(__alpha__) && defined(__osf1__) || defined(__hpux__)
+// stop unnecessary definitions of TRY, etc on OSF
+#ifndef EXC_HANDLING
+#define EXC_HANDLING
+#endif
+#endif
+
+#ifndef __POSIX_NT__
+#  include <pthread.h>
+#else
+#  ifndef WIN32_LEAN_AND_MEAN
+#    define WIN32_LEAN_AND_MEAN
+#    define OMNI_DEFINED_WIN32_LEAN_AND_MEAN
+#  endif
+#  include <windows.h>
+#  include "pthread_nt.h"
+#  ifdef OMNI_DEFINED_WIN32_LEAN_AND_MEAN
+#    undef WIN32_LEAN_AND_MEAN
+#    undef OMNI_DEFINED_WIN32_LEAN_AND_MEAN
+#  endif
+#endif
+
+extern "C" void* omni_thread_wrapper(void* ptr);
+
+#define OMNI_MUTEX_IMPLEMENTATION			\
+    pthread_mutex_t posix_mutex;
+
+#define OMNI_MUTEX_LOCK_IMPLEMENTATION                  \
+    pthread_mutex_lock(&posix_mutex);
+
+#define OMNI_MUTEX_TRYLOCK_IMPLEMENTATION               \
+    (pthread_mutex_trylock(&posix_mutex)==0);
+
+#define OMNI_MUTEX_UNLOCK_IMPLEMENTATION                \
+    pthread_mutex_unlock(&posix_mutex);
+
+#define OMNI_CONDITION_IMPLEMENTATION			\
+    pthread_cond_t posix_cond;
+
+#define OMNI_SEMAPHORE_IMPLEMENTATION			\
+    omni_mutex m;					\
+    omni_condition c;					\
+    int value;						\
+    int max_count;
+
+#define OMNI_THREAD_IMPLEMENTATION			\
+    pthread_t posix_thread;				\
+    static int posix_priority(priority_t);		\
+    friend void* omni_thread_wrapper(void* ptr);
+
+#endif