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Check PCNTL functions for signal support instead of PCNTL extension #195

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merged 1 commit into from May 8, 2019

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clue commented May 7, 2019

This helps avoiding problems when the PCNTL extension is loaded, but
(some of) its functions are disabled via PHPs disable_function
configuration. This is particularly common for the PCNTL functions in
CGI environments, e.g. they are disabled by default on Debian- /
Ubuntu-based distributions. Previously, even when not attaching any
signal listeners, the loop would print a warning on each loop tick:

PHP Warning: pcntl_signal_dispatch() has been disabled for security
reasons in {file} on {line}

Builds on top of #179

This helps avoiding problems when the PCNTL extension is loaded, but
(some of) its functions are disabled via PHPs `disable_function`
configuration. This is particularly common for the PCNTL functions in
CGI environments, e.g. they are disabled by default on Debian- /
Ubuntu-based distributions. Previously, even when not attaching any
signal listeners, the loop would print a warning on each loop tick:

> PHP Warning:  pcntl_signal_dispatch() has been disabled for security
reasons in {file} on {line}
@clue clue added the bug label May 7, 2019
@clue clue added this to the v1.1.1 milestone May 7, 2019
@WyriHaximus WyriHaximus requested review from WyriHaximus and jsor May 7, 2019
@jsor
jsor approved these changes May 7, 2019
@WyriHaximus WyriHaximus merged commit 060092e into reactphp:master May 8, 2019
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@clue clue deleted the clue-labs:pcntl-might-be-disabled branch May 9, 2019
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