pcntl_strerror()

pcntl_strerror()

function pcntl_strerror(int $error_code): string

Returns the system message for a PCNTL errno value.

Parameters:

• $error_code (int)

Returns: string

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_strerror.rs).

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

Internals

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