/// <summary>
/// Sets the thread exit callback.
/// </summary>
private static unsafe int SetThreadExitCallbackMono(IntPtr callbackPtr)
{
int tlsIndex;
CheckResult(NativeMethodsMono.pthread_key_create(new IntPtr(&tlsIndex), callbackPtr));
return(tlsIndex);
}
/// <summary>
/// Sets the thread exit callback, and returns an id to pass to <see cref="EnableCurrentThreadExitEvent"/>.
/// </summary>
/// <param name="callbackPtr">
/// Pointer to a callback function that matches <see cref="ThreadExitCallback"/>.
/// </param>
public static unsafe int SetThreadExitCallback(IntPtr callbackPtr)
{
Debug.Assert(callbackPtr != IntPtr.Zero);
if (Os.IsWindows)
{
var res = NativeMethodsWindows.FlsAlloc(callbackPtr);
if (res == NativeMethodsWindows.FLS_OUT_OF_INDEXES)
{
throw new InvalidOperationException("FlsAlloc failed: " + Marshal.GetLastWin32Error());
}
return(res);
}
if (Os.IsMacOs)
{
int tlsIndex;
var res = NativeMethodsMacOs.pthread_key_create(new IntPtr(&tlsIndex), callbackPtr);
NativeMethodsLinux.CheckResult(res);
return(tlsIndex);
}
if (Os.IsLinux)
{
int tlsIndex;
var res = Os.IsMono
? NativeMethodsMono.pthread_key_create(new IntPtr(&tlsIndex), callbackPtr)
: NativeMethodsLinux.pthread_key_create(new IntPtr(&tlsIndex), callbackPtr);
NativeMethodsLinux.CheckResult(res);
return(tlsIndex);
}
throw new InvalidOperationException("Unsupported OS: " + Environment.OSVersion);
}