added option to disable xsi syscalls

CMakeLists.txt

@@ -20,6 +20,7 @@ option(USE_Dl "use dl libraries" TRUE)
 option(USE_Py "search for python" TRUE)
 option(USE_CUSTOM_THREADPOOL "use custom threadpool implementation" FALSE)
 option(USE_INTERPROC_EMUL "force shared memory emulation mode" FALSE)
+option(DISABLE_INTERPROC_XSI "disable xsi shared memory syscalls" FALSE)
 
 set(USE_TR1_FUNCS FALSE)
 set(BUILD_EXT_TOOLS FALSE)
@@ -99,6 +100,12 @@ if(USE_INTERPROC_EMUL)
 endif()
 
 
+if(DISABLE_INTERPROC_XSI)
+	message("Disabling xsi shared memory syscalls.")
+	add_definitions(-D__DISABLE_SQW_INTERPROC_XSI__)
+endif()
+
+
 list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}" "."
 	"${PROJECT_SOURCE_DIR}/cmake" "${PROJECT_SOURCE_DIR}/tlibs")
 set(CMAKE_BINARY_DIR "${CMAKE_SOURCE_DIR}")

tools/monteconvo/sqw_proc.h

@@ -8,6 +8,7 @@
 #ifndef __SQW_PROC_H__
 #define __SQW_PROC_H__
 
+// use filesystem based shared memory emulation
 #ifdef __USE_SQW_INTERPROC_EMUL__
 	#include <boost/interprocess/detail/workaround.hpp>
 
@@ -23,6 +24,14 @@
 	//#define BOOST_INTERPROCESS_SHARED_DIR_PATH "/tmp/shared_mem"
 #endif
 
+// disable xsi syscalls (shmat(), shmctl(), shmdt())
+#ifdef __DISABLE_SQW_INTERPROC_XSI__
+	#include <boost/interprocess/detail/workaround.hpp>
+
+	// try to avoid certain shared memory syscalls
+	#undef BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS
+#endif
+
 #include "sqw.h"
 #include <mutex>
 #include <memory>