/// <summary>
/// Synchronously waits for the given PID and returns the exit code.
/// </summary>
public static unsafe int WaitPid(int pid, TimeSpan?timeout = null)
{
using (var kqueue = new KernelQueue()) {
var events = stackalloc KernelEvent [1];
events [0] = new KernelEvent {
Ident = (IntPtr)pid,
Filter = EventFilter.Proc,
// header says NOTE_EXITSTATUS only valid for child processes, but this seems to work for any arbitrary process
FilterFlags = (uint)FilterFlags.ProcExitStatus,
Flags = EventFlags.Add
};
var tsTimeout = timeout.GetValueOrDefault().ToTimespec();
var eventCount = KQueue.kevent((int)kqueue.Handle, events, 1, events, 1,
timeout.HasValue ? &tsTimeout : (TimeSpec *)0);
switch (eventCount)
{
case -1:
throw new SystemException("kqueue error: " + Marshal.GetLastWin32Error());
case 0:
throw new TimeoutException();
}
if (events [0].Flags.HasFlag(EventFlags.Error))
{
throw new Exception("Unix IO event error: " + (int)events [0].Data);
}
return((int)events [0].Data >> 8);
}
}
public void KEventExceptions()
{
using (var sleep = Process.Start("/bin/sleep", "0")) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
var empty = new KernelEvent [0];
Assert.Throws <ArgumentNullException> (() => kqueue.KEvent(null, events, null), "a1");
Assert.Throws <ArgumentNullException> (() => kqueue.KEvent(events, null, null), "a2");
Assert.Throws <ArgumentNullException> (() => kqueue.KEvent(null, null, null), "a3");
Assert.Throws <ArgumentOutOfRangeException> (() => kqueue.KEvent(events, empty, null), "a4");
Assert.Throws <ArgumentOutOfRangeException> (() => kqueue.KEvent(empty, events, null), "a5");
Assert.Throws <ArgumentNullException> (() => kqueue.KEvent(null, 1, events, 1, null), "b1");
Assert.Throws <ArgumentNullException> (() => kqueue.KEvent(events, 1, null, 1, null), "b2");
Assert.Throws <ArgumentNullException> (() => kqueue.KEvent(null, 1, null, 1, null), "b3");
Assert.Throws <ArgumentOutOfRangeException> (() => kqueue.KEvent(events, 1, empty, 1, null), "b4");
Assert.Throws <ArgumentOutOfRangeException> (() => kqueue.KEvent(empty, 1, events, 1, null), "b5");
Assert.Throws <ArgumentOutOfRangeException> (() => kqueue.KEvent(events, 1, events, 2, null), "b6");
Assert.Throws <ArgumentOutOfRangeException> (() => kqueue.KEvent(events, 2, events, 1, null), "b7");
}
}
}
public void KEvent()
{
// (KernelEvent[], KernelEvent[])
using (var sleep = Process.Start("/bin/sleep", "0.5")) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
Assert.IsTrue(kqueue.KEvent(events, events), "kevent");
}
}
// (KernelEvent[], KernelEvent[], TimeSpan?)
using (var sleep = Process.Start("/bin/sleep", "0.5")) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
Assert.AreEqual(1, kqueue.KEvent(events, events, TimeSpan.FromSeconds(5)), "kevent");
}
}
// (KernelEvent[], KernelEvent[], TimeSpan?)
using (var sleep = Process.Start("/bin/sleep", "0.5")) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
Assert.AreEqual(1, kqueue.KEvent(events, events, null), "kevent");
}
}
// (KernelEvent[], int, KernelEvent[], int, TimeSpec?)
using (var sleep = Process.Start("/bin/sleep", "0.5")) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
TimeSpec ts = new TimeSpec
{
Seconds = 5,
};
Assert.AreEqual(1, kqueue.KEvent(events, events.Length, events, events.Length, ts), "kevent");
}
}
// (KernelEvent[], int, KernelEvent[], int, TimeSpec?)
using (var sleep = Process.Start("/bin/sleep", "0.5")) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
Assert.AreEqual(1, kqueue.KEvent(events, events.Length, events, events.Length, null), "kevent");
}
}
// (KernelEvent[], int, KernelEvent[], int, ref TimeSpec)
using (var sleep = Process.Start("/bin/sleep", "0.5")) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
TimeSpec ts = new TimeSpec
{
Seconds = 5,
};
Assert.IsTrue(kqueue.KEvent(events, events.Length, events, events.Length, ref ts), "kevent");
}
}
// (KernelEvent[], KernelEvent[], ref TimeSpec)
using (var sleep = Process.Start("/bin/sleep", "0.5")) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
TimeSpec ts = new TimeSpec
{
Seconds = 5,
};
Assert.IsTrue(kqueue.KEvent(events, events, ref ts), "kevent");
}
}
// (KernelEvent[], int, KernelEvent[], int)
using (var sleep = Process.Start("/bin/sleep", "0.5")) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
Assert.IsTrue(kqueue.KEvent(events, events.Length, events, events.Length), "kevent");
}
}
}
public void KEvent()
{
var sleep_duration = "0.05";
// (KernelEvent[], KernelEvent[])
using (var sleep = Process.Start("/bin/sleep", sleep_duration)) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
#if NET
Assert.That(kqueue.KEvent(events, events), Is.GreaterThan(0), "kevent");
#else
Assert.IsTrue(kqueue.KEvent(events, events), "kevent");
#endif
}
}
// (KernelEvent[], KernelEvent[], TimeSpan?)
using (var sleep = Process.Start("/bin/sleep", sleep_duration)) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
Assert.AreEqual(1, kqueue.KEvent(events, events, TimeSpan.FromSeconds(5)), "kevent");
}
}
// (KernelEvent[], KernelEvent[], TimeSpan?)
using (var sleep = Process.Start("/bin/sleep", sleep_duration)) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
Assert.AreEqual(1, kqueue.KEvent(events, events, null), "kevent");
}
}
// (KernelEvent[], int, KernelEvent[], int, TimeSpec?)
using (var sleep = Process.Start("/bin/sleep", sleep_duration)) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
TimeSpec ts = new TimeSpec
{
Seconds = 5,
};
Assert.AreEqual(1, kqueue.KEvent(events, events.Length, events, events.Length, ts), "kevent");
}
}
// (KernelEvent[], int, KernelEvent[], int, TimeSpec?)
using (var sleep = Process.Start("/bin/sleep", sleep_duration)) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
Assert.AreEqual(1, kqueue.KEvent(events, events.Length, events, events.Length, null), "kevent");
}
}
// (KernelEvent[], int, KernelEvent[], int, ref TimeSpec)
using (var sleep = Process.Start("/bin/sleep", sleep_duration)) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
TimeSpec ts = new TimeSpec
{
Seconds = 5,
};
#if NET
Assert.That(kqueue.KEvent(events, events.Length, events, events.Length, ts), Is.GreaterThan(0), "kevent");
#else
Assert.IsTrue(kqueue.KEvent(events, events.Length, events, events.Length, ref ts), "kevent");
#endif
}
}
// (KernelEvent[], KernelEvent[], ref TimeSpec)
using (var sleep = Process.Start("/bin/sleep", sleep_duration)) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
#if NET
Assert.That(kqueue.KEvent(events, events, TimeSpan.FromSeconds(5)), Is.GreaterThan(0), "kevent");
#else
TimeSpec ts = new TimeSpec
{
Seconds = 5,
};
Assert.IsTrue(kqueue.KEvent(events, events, ref ts), "kevent");
#endif
}
}
// (KernelEvent[], int, KernelEvent[], int)
using (var sleep = Process.Start("/bin/sleep", sleep_duration)) {
using (var kqueue = new KernelQueue()) {
var events = CreateEvents(sleep);
#if NET
Assert.That(kqueue.KEvent(events, events.Length, events, events.Length), Is.GreaterThan(0), "kevent");
#else
Assert.IsTrue(kqueue.KEvent(events, events.Length, events, events.Length), "kevent");
#endif
}
}
}
