Revision: 54432
http://brlcad.svn.sourceforge.net/brlcad/?rev=54432&view=rev
Author: d_rossberg
Date: 2013-02-19 15:51:30 +0000 (Tue, 19 Feb 2013)
Log Message:
-----------
experimental feature: activate semaphores
this change has no impact on existing code
Modified Paths:
--------------
rt^3/trunk/include/brlcad/globals.h
rt^3/trunk/src/coreInterface/globals.cpp
Modified: rt^3/trunk/include/brlcad/globals.h
===================================================================
--- rt^3/trunk/include/brlcad/globals.h 2013-02-16 04:00:25 UTC (rev 54431)
+++ rt^3/trunk/include/brlcad/globals.h 2013-02-19 15:51:30 UTC (rev 54432)
@@ -61,6 +61,12 @@
void BRLCAD_COREINTERFACE_EXPORT RegisterLogHandler(LogHandler&
logHandler) throw(bad_alloc);
void BRLCAD_COREINTERFACE_EXPORT DeRegisterLogHandler(LogHandler&
logHandler) throw();
//@}
+
+ /// @name special BRL-CAD library setups
+ //@{
+ /// activate thread-protection - this makes the functions threadsafe but
slower
+ void BRLCAD_COREINTERFACE_EXPORT PrepareForMultithreading(void)
throw(bad_alloc);
+ //@}
}
Modified: rt^3/trunk/src/coreInterface/globals.cpp
===================================================================
--- rt^3/trunk/src/coreInterface/globals.cpp 2013-02-16 04:00:25 UTC (rev
54431)
+++ rt^3/trunk/src/coreInterface/globals.cpp 2013-02-19 15:51:30 UTC (rev
54432)
@@ -29,6 +29,7 @@
*/
#include "bu.h"
+#include "raytrace.h"
#include <brlcad/brlcadversion.h>
#include <brlcad/globals.h>
@@ -92,3 +93,15 @@
BU_UNSETJUMP;
}
+
+
+void BRLCAD_COREINTERFACE_EXPORT BRLCAD::PrepareForMultithreading(void)
throw(bad_alloc) {
+ if (!BU_SETJUMP)
+ bu_semaphore_init(RT_SEM_LAST);
+ else {
+ BU_UNSETJUMP;
+ throw bad_alloc("BRLCAD::PrepareForMultithreading");
+ }
+
+ BU_UNSETJUMP;
+}
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