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  • Overview
  • From simple management to advanced management of threads
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Overview
WINDEV and WINDEV Mobile propose several functions used to perform an advanced management of threads.
Threads allow running code (or processes) in parallel with the main application. Therefore, several processes can be run in the background without locking the main application.
Threads replace some types of timers.
An efficient thread is a thread that waits for an event such as a user action, an incoming email, an incoming phone call, etc.
Examples for using threads:
  • Retrieving emails in the background while entering a new email, for example.
  • Communication application: managing phone calls, communication by socket, etc.
Versions 17 and later
Universal Windows 10 App This feature is now available for Windows Phone applications.
New in version 17
Universal Windows 10 App This feature is now available for Windows Phone applications.
Universal Windows 10 App This feature is now available for Windows Phone applications.
Versions 18 and later
Universal Windows 10 App This feature is now available in Windows Store apps mode.
New in version 18
Universal Windows 10 App This feature is now available in Windows Store apps mode.
Universal Windows 10 App This feature is now available in Windows Store apps mode.
Versions 21 and later
Universal Windows 10 App This feature is now available in Universal Windows 10 App mode.
New in version 21
Universal Windows 10 App This feature is now available in Universal Windows 10 App mode.
Universal Windows 10 App This feature is now available in Universal Windows 10 App mode.
From simple management to advanced management of threads
WINDEV proposes several features for managing threads:
  • Running threads.
    See Principle for running threads for more details
  • Managing the semaphores in the threads, which means limiting the simultaneous execution of a code by one or more threads at a given time. A semaphore can be shared between several applications.
    See Managing the semaphores in the threads: limiting the simultaneous code execution for more details.
  • Versions 16 and later
    Managing the mutexes in order to limit the simultaneous execution of a code to one thread at a given time. A mutex can be shared between several applications.
    See Managing the mutexes in the threads for more details.
    New in version 16
    Managing the mutexes in order to limit the simultaneous execution of a code to one thread at a given time. A mutex can be shared between several applications.
    See Managing the mutexes in the threads for more details.
    Managing the mutexes in order to limit the simultaneous execution of a code to one thread at a given time. A mutex can be shared between several applications.
    See Managing the mutexes in the threads for more details.
  • Managing the critical sections in order to limit the simultaneous execution of a code to one thread at a given time in a single application.
  • Managing events to synchronize several threads.
    See Synchronizing threads via events for more details.
Related Examples:
The threads Unit examples (WINDEV): The threads
[ + ] Using threads in an application:
- Run a procedure in thread format
- Stop a thread
- Run a procedure that expects parameters in thread format
The threads Unit examples (WINDEV Mobile): The threads
[ + ] Using threads in an application:
- run a procedure in thread format
- stop a thread
- run a procedure that expects parameters in thread format
The threads (pool) Unit examples (WINDEV): The threads (pool)
[ + ] Using threads:
- Running processes started in parallel
- Limiting the number of threads in execution at a given time
Reminder: A thread is a process running in parallel to the current application (main thread).
This allows you to run a task in background task for example (backup, ...).
Threads are very useful in the industry: supervisor, applications with real-time process check, and so on …
WD Using sockets Training (WINDEV): WD Using sockets
[ + ] This example presents the use of the "Socket" functions of WINDEV in Client/Server.
The following topics are presented in this example:
1/ How to connect to a socket
2/ How to accept a request for connection
3/ How to write or read on a socket
Summary of the example supplied with WINDEV:
This example presents the different functions for socket management supplied with WINDEV. To use this example, a first instance of the example must be started in "server" mode. Then, by specifying the name of the computer that will be used as server and a nickname, you can connect to this application in "client" mode. You now have the ability to send messages to all the connected users. In this example, a thread and a socket are associated with each connection.
Minimum version required
  • Version 9
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