PHP 8.1.0 Released!

SyncSharedMemory::__construct

(PECL sync >= 1.1.0)

SyncSharedMemory::__constructConstructs a new SyncSharedMemory object

Descrição

public SyncSharedMemory::__construct(string $name, int $size)

Constructs a named shared memory object.

Parâmetros

name

The name of the shared memory object.

Nota:

If the name already exists, it must be able to be opened by the current user that the process is running as or an exception will be thrown with a meaningless error message.

size

The size, in bytes, of shared memory to reserve.

Nota:

The amount of memory cannot be resized later. Request sufficient storage up front.

Valor Retornado

The new SyncSharedMemory object.

Erros

An exception is thrown if the shared memory object cannot be created or opened.

Exemplos

Exemplo #1 SyncSharedMemory::__construct() example

<?php
// You will probably need to protect shared memory with other synchronization objects.
// Shared memory goes away when the last reference to it disappears.
$mem = new SyncSharedMemory("AppReportName"1024);
if (
$mem->first())
{
    
// Do first time initialization work here.
}

$result $mem->write(json_encode(array("name" => "my_report.txt")));
?>

Veja Também

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top