Runtime Configuration

The behaviour of these functions is affected by settings in php.ini.

Semaphore Configuration Options
Name Default Changeable Changelog
sysvshm.init_mem 10000 INI_SYSTEM  
For further details and definitions of the INI_* modes, see the Where a configuration setting may be set.

Here's a short explanation of the configuration directives.

sysvshm.init_mem int

A default size of the shared memory segment.

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