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lock data into RAM on Linux

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This commit is contained in:
Dennis Luxen 2013-11-14 12:33:09 -05:00
parent 94d4789e68
commit 7ceab5c88c
1 changed files with 10 additions and 0 deletions
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10
DataStructures/SharedMemoryFactory.h
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@ -38,6 +38,11 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <boost/interprocess/mapped_region.hpp> #include <boost/interprocess/mapped_region.hpp>
#include <boost/interprocess/xsi_shared_memory.hpp> #include <boost/interprocess/xsi_shared_memory.hpp>
#ifdef __linux__
#include <sys/ipc.h>
#include <sys/shm.h>
#endif
#include <algorithm> #include <algorithm>
#include <exception> #include <exception>
@ -97,6 +102,7 @@ public:
boost::interprocess::open_only, boost::interprocess::open_only,
key key
); );
region = boost::interprocess::mapped_region ( region = boost::interprocess::mapped_region (
shm, shm,
( (
@ -115,6 +121,10 @@ public:
key, key,
size size
); );
#ifdef __linux__
shmctl(shm.get_shmid(), SHM_LOCK, 0);
#endif
region = boost::interprocess::mapped_region ( region = boost::interprocess::mapped_region (
shm, shm,
boost::interprocess::read_write boost::interprocess::read_write