Module signal 

Signal and shutdown helpers.

This module provides small process-global signal utilities intended for low-level daemons and worker processes that want explicit signal handling without a heavier runtime.

Structs

ShutdownFlagGuard

Guard that restores previous SIGINT/SIGTERM handlers and shutdown flag on drop.

SignalRuntime

Utilities for process signal management.

Constants

SIGCHLD

SIGHUP

SIGINT

SIGKILL

SIGPIPE

SIGTERM

SIGUSR1

SIGUSR2

Functions

install_shutdown_flag

Install SIGINT and SIGTERM handlers that flip a shared shutdown flag.

install_shutdown_flag_guard

Install SIGINT and SIGTERM handlers and return a restore guard.

shutdown_requested

Return whether a shutdown flag was flipped by the installed handler.

signal_ignore^⚠

Set a signal’s disposition to SIG_IGN.

Type Aliases

SignalSet

SignalfdSiginfo

Type alias for the kernel signal info structure read from a signalfd.

ThreadId