using System.Runtime.InteropServices;
using System.Runtime.Versioning;

namespace Hexus.Daemon.Interop;

[UnsupportedOSPlatform("windows")]
internal static partial class UnixInterop
{
    [LibraryImport("libc", EntryPoint = "kill", SetLastError = true)]
    internal static partial int SendSignal(int pId, UnixSignal signal);

    [LibraryImport("libc", EntryPoint = "getuid", SetLastError = true)]
    internal static partial int GetUserId();
}

public enum UnixSignal
{
    SigHup = 1, // Hangup
    SigInt = 2, // Interrupt
    SigQuit = 3, // Quit
    SigIll = 4, // Illegal instruction
    SigTrap = 5, // Trace trap
    SigAbrt = 6, // Abort
    SigBus = 7, // BUS error
    SigFpe = 8, // Floating-point exception
    SigKill = 9, // UnixKill
    SigUsr1 = 10, // User-defined signal 1
    SigSegv = 11, // Segmentation violation
    SigUsr2 = 12, // User-defined signal 2
    SigPipe = 13, // Broken pipe
    SigAlrm = 14, // Alarm clock
    SigTerm = 15, // Termination
    SigChld = 16, // Child status has changed
    SigCont = 17, // Continue
    SigStop = 18, // Stop
    SigTstp = 19, // Keyboard stop
    SigTtin = 20, // Background read from tty
    SigTtou = 21, // Background write to tty
    SigUrg = 22, // Urgent condition on socket
    SigXcpu = 23, // CPU limit exceeded
    SigXfsz = 24, // File size limit exceeded
    SigVtalrm = 25, // Virtual alarm clock
    SigProf = 26, // Profiling alarm clock
    SigWinch = 27, // Window size change
    SigPoll = 28, // I/O now possible
    SigSys = 30, // Bad system call
}