pcntl_setpriority()

pcntl_setpriority()

function pcntl_setpriority(int $priority, int $process_id = null, int $mode = 0): bool

Changes a process, process-group, or user scheduling priority.

Parameters:

• $priority (int)
• $process_id (int), default null, optional
• $mode (int), default 0, 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_setpriority.rs).

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

Internals

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