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处理控制 | Process Control

SyncReaderWriter (class)

The SyncReaderWriter class

Introduction

(PECL sync >= 1.0.0)

A cross-platform, native implementation of named and unnamed reader-writer objects.

A reader-writer object allows many readers or one writer to access a resource. This is an efficient solution for managing resources where access will primarily be read-only but exclusive write access is occasionally necessary.

Class synopsis

SyncReaderWriter {

/* Methods */

public __construct ([ string $name [, bool $autounlock = true ]] )

public bool readlock ([ integer $wait = -1 ] )

public bool readunlock ( void )

public bool writelock ([ integer $wait = -1 ] )

public bool writeunlock ( void )

}

Table of Contents

  • SyncReaderWriter::__construct — Constructs a new SyncReaderWriter object

  • SyncReaderWriter::readlock — Waits for a read lock

  • SyncReaderWriter::readunlock — Releases a read lock

  • SyncReaderWriter::writelock — Waits for an exclusive write lock

  • SyncReaderWriter::writeunlock — Releases a write lock

← SyncEvent::wait

SyncReaderWriter::__construct →

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Licensed under the Creative Commons Attribution License v3.0 or later.

https://secure.php.net/manual/en/class.syncreaderwriter.php