02-15-2011
Quote:
Originally Posted by
zing_foru
Hi all,
Can I create multiple threads using single thread_id
pthread_create does not
take a thread ID, it
overwrites the value of thread_id. That's why it's a pointer, you're telling it what memory to overwrite.
So you could create lots with the same variable, but you'd just be overwriting the same value every time and losing track of everything but the last created thread, not creating threads with the same ID.
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LEARN ABOUT PHP
mysql_thread_id
MYSQL_THREAD_ID(3) 1 MYSQL_THREAD_ID(3)
mysql_thread_id - Return the current thread ID
SYNOPSIS
Warning
This extension is deprecated as of PHP 5.5.0, and will be removed in the future. Instead, the MySQLi or PDO_MySQL extension should
be used. See also MySQL: choosing an API guide and related FAQ for more information. Alternatives to this function include:
omysqli_thread_id(3)
int mysql_thread_id ([resource $link_identifier = NULL])
DESCRIPTION
Retrieves the current thread ID. If the connection is lost, and a reconnect with mysql_ping(3) is executed, the thread ID will change.
This means only retrieve the thread ID when needed.
o $
link_identifier -The MySQL connection. If the link identifier is not specified, the last link opened by mysql_connect(3) is
assumed. If no such link is found, it will try to create one as if mysql_connect(3) was called with no arguments. If no connection
is found or established, an E_WARNING level error is generated.
The thread ID on success or FALSE on failure.
Example #1
mysql_thread_id(3) example
<?php
$link = mysql_connect('localhost', 'mysql_user', 'mysql_password');
$thread_id = mysql_thread_id($link);
if ($thread_id){
printf("current thread id is %d
", $thread_id);
}
?>
The above example will output something similar to:
current thread id is 73
mysql_ping(3), mysql_list_processes(3).
PHP Documentation Group MYSQL_THREAD_ID(3)