Files
interprocess/doc/code/doc_ipc_messageA.cpp
Ion Gaztañaga 18646362ed no message
[SVN r34286]
2006-06-12 17:39:55 +00:00

40 lines
1.3 KiB
C++

#include <boost/interprocess/detail/config_begin.hpp>
#include <boost/interprocess/detail/workaround.hpp>
#include <boost/interprocess/managed_shared_memory.hpp>
#include <cstddef>
int main ()
{
using namespace boost::interprocess;
//A shared memory front-end that is able to
//allocate raw memory buffers from a shared memory segment
//Create the shared memory segment and initialize needed resources
managed_shared_memory::remove("MySharedMemory");
managed_shared_memory segment
(create_only,
"MySharedMemory", //segment name
65536); //segment size in bytes
//Allocate a portion of the segment
void * shptr = segment.allocate(1024/*bytes to allocate*/);
//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 = segment.get_handle_from_address(shptr);
(void)handle;
// Copy message to buffer
// . . .
// Send handle to other process
// . . .
// Wait response from other process
// . . .
//Deallocate the portion previously allocated
segment.deallocate(shptr);
return 0;
}
#include <boost/interprocess/detail/config_end.hpp>