pcntl_async_signals()

pcntl_async_signals()

function pcntl_async_signals(bool $enable = null): bool

Enables or queries automatic dispatch of pending signal callbacks.

Parameters:

• $enable (bool), default null, optional

Returns: bool

Availability

• Compiled (AOT): supported on the three executable/release hosts (macOS ARM64, Linux ARM64, and Linux x86_64); calls are refused at compile time for iOS library targets.
• eval() (magician interpreter): supported — declarative interpreter builtin (crates/elephc-magician/src/interpreter/builtins/pcntl/pcntl_async_signals.rs).

No examples yet — check examples/ and showcases/ for usage patterns.

Internals

For how pcntl_async_signals is implemented in the compiler, see the internals page.