A capability supported by some operating systems that allows one process to communicate with another process. The processes can be running on the same computer or on different computers connected through a network. It enables one application to control another application, and for several applications to share the same data without interfering with one another.
Questions tagged [interprocess]
412 questions
3
votes
2 answers
How to use "push_back" function vector of Complex struct in boost.interprocess shared memory
Sorry to bother you.
I am writing code to make this code,"http://coliru.stacked-crooked.com/a/0ab21481b69d87bb" in this question "Structures and vectors in Boost Shared Memory", the basis
But, I am stuck in compile error of this…
NEWBIEEBIEE
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3
votes
1 answer
Interprocess communication in Lua with Example?
I have been struggling a lot to get this to work.
Can someone provide an example with any LUA api of 2 scripts that pass a message back and forth.
I have tried Oil, lua-ipc and zeromq.
But I face several missing libraries issues.
The ultimate goal…
nico
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3
votes
1 answer
boost::interprocess::string conversion to char*
Is it possible to convert a boost::interprocess::string to an std::string or to a const char*? Something like c_str()...
E.g.:
boost::interprocess::string is = "Hello world";
const char* ps = is.c_str(); // something similar
printf("%s", ps);
I…
Pietro
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votes
1 answer
shared memory locking and process crash
I want try to understand better the problem of synchronization of shared memory. I have understood that interprocess synchronization can work differently on different operating system. The most difference is what's happening when a process that has…
Marco
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3
votes
2 answers
enter pdb with kill signal
In a recent project, I want to debug my program in production use state. The production environment is very complicated so I want to debug the program whenever I find a problem.
This is what I want to achieve: whenever I want to debug, I will send a…
atbug
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3
votes
3 answers
Multiple python scripts sending messages to a single central script
I have a number of scripts written in Python 2.6 that can be run arbitrarily. I would like to have a single central script that collects the output and displays it in a single log.
Ideally it would satisfy these requirements:
Every script sends its…
Ipsquiggle
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3
votes
1 answer
How to I create a boost interprocess vector of interprocess containers?
I like to create a boost interprocess vector of classes containing a interprocess container.
The following code works until the resize function call and of course because my class has not default constructor.
How to I resolve this problem?
The…
Max
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3
votes
2 answers
Send Data to Multiple Processes in Linux
I need to update multiple processes with several different pieces of data, at varying rates, but as fast as 10 Hz. I don't want the receiving processes to have to actively get this data, but rather have it pushed to them, so that they only have to…
hBrent
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1 answer
RPC Authentication
I'm working on communicating data on local machine using Remote Procedure Calls ( RPC ). My requirement is use RPC to communicate data between two processed, but server should authenticate client by some means.
I came across RpcBindingSetAuthInfo…
user832096
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Ping-pong using kill and flags in POSIX
I'm trying to implement interprocess communication by using POSIX signals in C, especially I'm writing Ping-Pong problem. So here's my source code:
#define CHILD 0
#define PARENT 1
int flag[2];
void handler(int sig) {
if (sig == SIGUSR1) {
…
inaumov17
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3
votes
1 answer
Memory Mapped Files, Managed Mapped File and Offset Pointer
I'm a little bit confused about the terminology of Boost Library (for windows). What I'm trying to do is simply; create a file on disk (a big file >50 GB) do some mapping for write and read operations seperately.
For example first map 1 gb portion…
user2955554
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votes
4 answers
How do I obtain a handle on an object from another .NET process?
In C#, I know how to run a .NET executable from code and also find out if an instance of the executable is already running. What I would like to do is if an instance is already running, obtain an instance of the Foo object within the C# code of a…
Philip Wallace
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3
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2 answers
How to serialize boost::interprocess::containers::vector
I'd like to use boost serilaization with an boost::interprocess::containers::vector
The serialization of a std::vector works fine by including
#include
But I have a class containing a shared vector
class…
Max
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3
votes
1 answer
fork () and execlp () , printf before execlp() does not get executed
I m learning interprocess communication ...this is the code that bugs me
#include
#include
#include
int main(void)
{
int pfds[2];
pipe(pfds);
if (!fork())
{
printf("I m the child process\n");
…
Subbu
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3
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3 answers
C++ Mutex for Windows
I'm working on a C++ project for Windows and need a good mutex implementation to synchronize b/w processes (i.e. a wrap for the winapi). I'm currently using boost::interprocess::named_mutex, however I noticed that if one of the processes crashes -…
user1011201
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