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pcntl_async_signals

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(PHP 7 >= 7.1.0)

pcntl_async_signals — Enable/disable asynchronous signal handling or return the old setting

Description

pcntl_async_signals ([ bool $on = NULL ] ) : bool

If the on parameter is omitted, pcntl_async_signals() returns whether asynchronous signal handling is enabled. Otherwise, asynchronous signal handling is enabled or disabled.

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Parameters

on

Whether asynchronous signal handling should be enabled.

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Return Values

When used as getter (that is without the optional parameter) it returns whether asynchronous signal handling is enabled. When used as setter (that is with the optional parameter given), it returns whether asynchronous signal handling was enabled before the function call.

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Document created the 30/01/2003, last modified the 26/10/2018
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References

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