lock data into RAM on Linux

2013-11-14 12:33:09 -05:00
parent 94d4789e68
commit 7ceab5c88c
1 changed files with 10 additions and 0 deletions
@@ -38,6 +38,11 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <boost/interprocess/mapped_region.hpp>
 #include <boost/interprocess/xsi_shared_memory.hpp>

+#ifdef __linux__
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#endif
+
 #include <algorithm>
 #include <exception>

@@ -97,6 +102,7 @@ public:
    			boost::interprocess::open_only,
    			key
 			);
+
    		region = boost::interprocess::mapped_region (
    			shm,
    			(
@@ -115,6 +121,10 @@ public:
    			key,
    			size
    		);
+
+#ifdef __linux__
+			shmctl(shm.get_shmid(), SHM_LOCK, 0);
+#endif
 		    region = boost::interprocess::mapped_region (
 		    	shm,
 		    	boost::interprocess::read_write