ID : 5158

CreateMutex

Function

To request the creation of Mutex object and acquire the ID of Mutex object.

Syntax

CreateMutex(name)

Guaranteed entry

Name: Designate a name of Mutex object to be created by string type data.

Return value

Return the created Mutex object ID by integer type data.

Description

Request the creation of Mutex object and acquire the ID of Mutex object.

If there is no Mutex object with the designated name, create a new Mutex object and return it's ID. Task reference will be registered to the created object.

If there is already Mutex object with the same name, return the ID of Mutex object and add the own task reference to the object.

Attention

Example

Sub Main
	Dim n As Integer
	n = CreateMutex(S[10])
	TakeMutex n
	' Statements
	GiveMutex n
	DeleteMutex n
End Sub