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using System;
using System.Runtime.InteropServices;
namespace Mono.Debugger.Backend
{
public static class Semaphore
{
[DllImport("monodebuggerserver")]
static extern void mono_debugger_server_sem_init ();
[DllImport("monodebuggerserver")]
static extern void mono_debugger_server_sem_wait ();
[DllImport("monodebuggerserver")]
static extern void mono_debugger_server_sem_post ();
[DllImport("monodebuggerserver")]
static extern int mono_debugger_server_sem_get_value ();
static Semaphore ()
{
mono_debugger_server_sem_init ();
}
public static void Wait ()
{
Report.Debug (DebugFlags.Mutex, "{0} waiting for semaphore",
DebuggerWaitHandle.CurrentThread);
mono_debugger_server_sem_wait ();
Report.Debug (DebugFlags.Mutex, "{0} done waiting for semaphore",
DebuggerWaitHandle.CurrentThread);
}
public static void Set ()
{
Report.Debug (DebugFlags.Mutex, "{0} signalling semaphore",
DebuggerWaitHandle.CurrentThread);
mono_debugger_server_sem_post ();
}
public static int Value {
get {
return mono_debugger_server_sem_get_value ();
}
}
}
}
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