Boost.Interprocess is a part of the C++ Boost library. It simplifies the use of common interprocess communication and synchronization mechanisms.
Questions tagged [boost-interprocess]
371 questions
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boost ipc warning - on inclusion of managed_shared_memory
Hi I get the following warnings
g++ -std=c++0x -Wall -c -I/usr/local/boost_1_53_0 -I/home/aditya/CodeBase/includes MAIN.cpp
In file included from /usr/local/boost_1_53_0/boost/interprocess/detail/managed_open_or_create_impl.hpp:15:0,
…
Aditya Sihag
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boost::interprocess::message_queue constructor failing
boost::interprocess::message_queue constructor failing when processes are run under different users.
To be more concrete. I'm creating message_queue in proc1. and trying to open the same message_queue from proc2 (another user).
Is it possible to…
denys
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Boost Interprocess Lock persistence
I have the following code which crashes. I suspect this is because of allocating a reference to the stack that I have this problem. But I want to avoid the cost of having to stack allocate a mutex, and a scoped lock every time
class Cache {
…
user1018513
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Adapt Boost Thread / Process for non supported platform
Background
this documentation says that it is possible to adapt the library to new (unsupported) operation system. Because the OS (a real time OS) I would like to support is close to Win32, I would expect little code changes. I have no experience…
ToBe
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boost::interprocess - allocate_aligned in shared memory?
If I use allocate_aligned to allocate an aligned memory block within a chunk of shared memory, how do I then identify that same block in another process ? E.g.
managed_shared_memory managed_shm(open_or_create, "SharedMemory", 65536);
void *ptr =…
Paul R
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Handling core dumps when holding boost::interprocess shared memory lock
I am working on application where several multi-threaded processes are attempting to acquire a lock on the shared memory files managed via boost::interprocess (scoped_lock on named_mutex).
It appears that if one of these processes dumps a core while…
user1474341
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How to use Boost Interprocess Message Queue for Windows?
I am implementing inter process communication using Boost Interprocess.
As a test I took the example from the boost documentation.
The first process (which creates the message queue) starts the other (which should receive the messages from the…
c_k
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How to get the name of a boost::interprocess::managed_shared_memory
I created a managed_shared_memory object with an name and size. Afterwards, I would like to get the name again. How do I do this? I would expect there to be a function like get_name or something like that, but I could not find one.
#include…
Max
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boost::interprocess::map insert gives: ambiguous call to overloaded function
I'm trying to insert some values into a boost::interprocess::map stored in a shared memory.
The problem is that it gives me "ambiguous call to overloaded function" when I try to compile it and I'm not sure why. Here are some code snippets:
#include…
George Ferreira
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boost::interprocess::map - how to update value with basic_string as type
I have the following codes:
typedef managed_shared_memory::segment_manager segment_manager_t;
typedef allocator void_allocator;
typedef allocator char_allocator;
typedef…
andre9875
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boost::interprocess memory size
I have a managed_shared_memory objects that holds the map container SharedMap defined as follows.
typedef std::pair ValueType;
typedef allocator ShmemAllocator;
typedef…
andre
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How to hold a Boost upgradable_lock for the lifetime of an object?
I'm implementing a pair of classes for interprocess communication where one process will be the only writer and there will be many readers. One class handles reading; one handles writing. To prevent any other process from ever becoming the writer,…
bythescruff
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Truncating an existing fstream that has been locked by boost::interprocess
What would happen if I reopen an fstream with data in it using the std::ios::trunc flag without closing a process and whilst my process holds a boost::interprocess::file_lock()?
Should I expect the OS to maintain my file lock? Or will the OS…
Hassan Syed
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Boost interprocess vector, creating multiple vector pointers
I want to insert a shared vector into a shared map using the following code:
managed_shared_memory segment(create_only ,"MySharedMemory" ,65536);
typedef allocator vecAllocator;
typedef vector
Prasanth Madhavan
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Boost.Interprocess. Using shared memory
I am considering using shared memory from Boost.Interprocess library to communicate between parent & child processes (running on the same machine). The C++ library I am developing is to be used on Windows & Linux.
I read the docs and did some…
M.K.
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