Files
interprocess/example/doc_ipc_messageB.cpp
2007-05-04 21:17:55 +00:00

48 lines
1.6 KiB
C++

//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztañaga 2006-2007. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/interprocess for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#include <boost/interprocess/detail/config_begin.hpp>
#include <boost/interprocess/detail/workaround.hpp>
//[doc_ipc_messageB
#include <boost/interprocess/managed_shared_memory.hpp>
int main ()
{
using namespace boost::interprocess;
try{
//An special shared memory from which we are
//able to allocate raw memory buffers.
//Connect to the already created shared memory segment
//and initialize needed resources
managed_shared_memory segment(open_only, "MySharedMemory"); //segment name
//An handle from the base address can identify any byte of the shared
//memory segment even if it is mapped in different base addresses
managed_shared_memory::handle_t handle = 0;
//Wait handle msg from the other process and put it in
//"handle" local variable
//Get buffer local address from handle
void *msg = segment.get_address_from_handle(handle);
(void)msg;
//Do anything with msg
//. . .
//Send ack to sender process
}
catch(...){
shared_memory_object::remove("MySharedMemory");
throw;
}
shared_memory_object::remove("MySharedMemory");
return 0;
}
//]
#include <boost/interprocess/detail/config_end.hpp>