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Questions tagged [boost-interprocess]

Boost.Interprocess is a part of the C++ Boost library. It simplifies the use of common interprocess communication and synchronization mechanisms.

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Non virtual methods of basic_istream after upcasting to base reference

I have a set of classes that derive from basic_istream and ios_base like std::stringstream, boost::interprocess::basic_vectorstream, boost::interprocess::bufferstream At some point all those instances need to dump their content (emulated in the…
Lorah Attkins
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unit-testing boost interprocess client

I have to unit-test a client of a shared memory map constructed using the boost interprocess. It is really awkward to create shared memory blocks for unit-testing. Normally I would use some static memory to simulate shared memory behavior during…
uuu777
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How to clear neatlty all messages in Boost Interprocess Message Queue

I need to clear the content of a boost::interprocess::message_queue without removing it because some (sending) instances may be using it. There seems to be no member method to do so, so I did the following which works. Is there something…
c_drik
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Ensuring thread-safe initialization of shared memory segments for IPC communication

I am implementing shared memory IPC for inter-process communication. I have created a class that consists of a ring buffer and a mutex. When the shared memory segment is created, the class object must be initialized in a thread-safe way to ensure…
arima
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Parsed boost::spirit::qi::rule in memory mapped file

I have several large logical expressions (length upto 300K) of the form - ( ( ( 1 ) and ( 5933 or 561 or 1641 ) ) or ( ( 71 or 1 or 15 or 20 ) and ( 436 ) ) or ( ( 398 or 22 or 33 ) ) ) that are parsed using Boost Spirit (as shown in the example…
user1474341
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Sending a POD type in shared memory without serializing

I have two processes P1 and P2 in my project. They use boost::interprocess::shared_memory to create a shared memory segment that is properly working (no problem with synchronization). My use-case consists of sending a POD type (a trivially copyable…
Akash
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Pointer-like functionality in IPC

I have been working for a while with interprocess communication using Boost and have managed to pass big amounts of data between multiple processes/executables in POSIX. When reading from the shared memory i simply use memcpy. However, one chunk of…
Carl Wikström
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Create a vector of custom struct in shared mem

I am working with boost multi index in shared memory I create a struct SrHpackHeaderElement that contain shared strings struct SrHpackHeaderElement { SrHpackHeaderElement(char_allocator*…
Hemda
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Does boost::interprocess::named_mutex need to be stored in shared memory?

I want to use boost::interprocess to perform synchronization across multiple processes; in the specific I want to to use boost::interprocessnamed_mutex under Linux OS ( I am using g++ ) . Do you know if each instance of this class has to be stored…
Abruzzo Forte e Gentile
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Is there a built-in concurrency control in boost::interprocess::message_queue?

In a multiple producer-single consumer setting, is there a built-in concurrency control mechanism among the producer processes that are calling send() on the message_queue? What happens if there are multiple instances of the consumer processes all…
Vectorizer
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Building Boost with Process by Conan

I'm using Conan to manage my dependencies; my project requires Process and Interprocess components. How can I add these components to my Boost build with Conan? I'm using Boost 1.75 and Conan 1.44 on Windows 10
SigSegv
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Is boost message_queue name the same as a named pipe?

Nowhere is this mentioned in the docs, is the name we use for creating a message_queue a named pipe on Windows? Suppose a C# application creates a NamedPipeServerStream with name "MyPipe". Can a C++ application do IPC with it if a message_queue uses…
demberto
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Boost interprocess dont want to remove shared memory object before initialisation

I have this base class for using shared memory. Boost examples use a remover struct as below to handle the shared memory. Which I have adapted for my SharedMemBase class //Remove shared memory on construction and destruction struct shm_remove …
mro47
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How to get value of pointer member in struct with boost::interprocess

I am new to boost library. I am trying to use boost::interprocess to allocate a very simple data structure in shared memory. My struct looks like this: struct test { int* pInt; float* pFloat; }; Here is sender.cpp: using namespace…
Hien Pham
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Boost::interprocess message queue compatible with windows?

Windows 10 MSCV 19.25.28614.0 Boost 1.72.0 While attempting to initalise a basic message queue taken from sample code in the docs: message_queue mq (create_only //only create , "message_queue" //name …
Tom
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