From c58aa1c90006298d93c84ecaea0926699160df26 Mon Sep 17 00:00:00 2001
From: Pekka Riikonen <priikone@silcnet.org>
Date: Sat, 23 Jun 2001 21:12:13 +0000
Subject: [PATCH] 	updates.

---
 lib/silcutil/win32/silcwin32schedule.c | 101 +++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 lib/silcutil/win32/silcwin32schedule.c

diff --git a/lib/silcutil/win32/silcwin32schedule.c b/lib/silcutil/win32/silcwin32schedule.c
new file mode 100644
index 00000000..62571b77
--- /dev/null
+++ b/lib/silcutil/win32/silcwin32schedule.c
@@ -0,0 +1,101 @@
+/*
+
+  silcwin32schedule.c
+
+  Author: Pekka Riikonen <priikone@silcnet.org>
+
+  Copyright (C) 2001 Pekka Riikonen
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+  
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+*/
+/* $Id$ */
+
+#include "silcincludes.h"
+
+/* Our "select()" for WIN32. This actually is not the select() and does
+   not call Winsock's select() (since it cannot be used for our purposes)
+   but mimics the functions of select(). 
+
+   This is taken from the GLib and is the g_poll function in the Glib.
+   It has been *heavily* modified to be select() like and fit for SILC. */
+
+int silc_select(int n, fd_set *readfds, fd_set *writefds,
+		fd_set *exceptfds, struct timeval *timeout)
+{
+  HANDLE handles[MAXIMUM_WAIT_OBJECTS];
+  DWORD ready;
+  int nhandles = 0;
+  int timeo, i;
+
+  /* Check fd sets (ignoring the exceptfds for now) */
+
+  if (readfds) {
+    for (i = 0; i < n - 1; i++)
+      if (FD_ISSET(i, readfds))
+	handles[nhandles++] = (HANDLE)i;
+  }
+
+  if (writefds) {
+    /* If write fd is set then we just return */
+    for (i = 0; i < n - 1; i++)
+      if (FD_ISSET(i, writefds))
+	return 1;
+  }
+
+  if (!timeout)
+    timeo = INFINITE;
+  else
+    timeo = (timeout.tv_sec * 1000) + (timeout.tv_usec / 1000);
+
+ retry:
+  if (nhandles == 0)
+    return -1;
+  else
+    ready = WaitForMultipleObjects(nhandles, handles, FALSE, timeo,
+				   QS_ALLINPUT);
+
+  if (ready == WAIT_FAILED) {
+    SILC_LOG_WARNING(("WaitForMultipleObjects() failed"));
+    return -1;
+  } else if (ready == WAIT_TIMEOUT) {
+    return 0;
+  } else if (ready == WAIT_OBJECT_0 + nhandles) {
+    /* For Windows messages. The MSDN online says that if the application
+       creates a window then its main loop (and we're assuming that
+       it is our SILC Scheduler) must handle the Windows messages, so do
+       it here as the MSDN suggests. -Pekka */
+    /* For reference: http://msdn.microsoft.com/library/default.asp?
+       url=/library/en-us/winui/hh/winui/messques_77zk.asp */
+    MSG msg;
+
+    while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
+      TranslateMessage(&msg); 
+      DispatchMessage(&msg); 
+    }
+
+    /* Bad thing is that I don't know what to return, since actually
+       nothing for us happened. So, make another try with the waiting
+       and do not return. This of course may fuck up the timeouts! */
+    goto retry;
+  } else if (ready >= WAIT_OBJECT_0 && ready < WAIT_OBJECT_0 + nhandles &&
+	     readfds) {
+    for (i = 0; i < n - 1; i++) {
+      if (ready - WAIT_OBJECT_0 != i)
+	FD_CLR(i, readfds);
+    }
+
+    /* Always one entry in the fd set. */
+    return 1;
+  }
+
+  return -1;
+}
-- 
2.24.0