SemaphoreCreate (Function)

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SemaphoreCreate (Function)

In french: SémaphoreCrée

Creates a semaphore.

Reminder Semaphores can be used to define a protected area of code that can only be executed by a specific number of threads.

Example

// Création d'un sémaphore
SemaphoreCreate("MonSémaphore", 3)

Syntax

SemaphoreCreate(<Semaphore name> [, <Authorization> [, <Use> [, <Options>]]])

<Semaphore name>: Character string

Name of the semaphore to create. This name will be used by all the functions for semaphore management.

<Authorization>: Optional integer

Number of concurrent threads allowed in the protected section. This parameter is set to 1 by default.

<Use>: Optional integer

Number of threads found in the section when creating the semaphore (0 by default).

<Options>: Optional Integer constant

Mode for sharing the semaphore:
shareGlobal The semaphore is shared among all the applications found on the computer.
This constant is not available.
shareNone The semaphore is specific to the application. If SemaphoreDestroy is not called, the semaphore is destroyed at the end of the application.
The semaphores are unique for the application that created them. They cannot be shared between several applications.
shareUser
(default value) The semaphore is shared among all the applications of the session of the user who is running the application.
This constant is not available.

Remarks

Component: wd300vm.dll