Some improvements to cPoller

CONTRIBUTORS

@@ -1087,6 +1087,7 @@ Marco Schl
  for fixing cRemux::ScanVideoPacket() to make sure it doesn't access memory beyond
  the end of the given buffer, which has caused some unjustified "unknown picture
  type errors"
+ for some improvements to cPoller
 
 Jürgen Schmitz <j.schmitz@web.de>
  for reporting a bug in displaying the current channel when switching via the SVDRP

HISTORY

@@ -3139,7 +3139,7 @@ Video Disk Recorder Revision History
   days ('1' is monday). Thanks to Sascha Klek for reporting a problem with the
   '0' key in the "Day" item of the "Timers" menu.
 
-2004-11-20: Version 1.3.17
+2004-11-21: Version 1.3.17
 
 - Fixed cRemux::ScanVideoPacket() to make sure it doesn't access memory beyond
   the end of the given buffer, which has caused some unjustified "unknown
@@ -3158,3 +3158,4 @@ Video Disk Recorder Revision History
   to Stefan Huelswitt for pointing this out).
 - Fixed toggling the "Day" item in the "Timers" menu, so that it selects the
   right day of week for timers in the future.
+- Some improvements to cPoller (thanks to Marco Schlüßler).

tools.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: tools.c 1.81 2004/10/31 16:42:36 kls Exp $
+ * $Id: tools.c 1.82 2004/11/21 14:36:34 kls Exp $
  */
 
 #include "tools.h"
@@ -532,12 +532,13 @@ bool cPoller::Add(int FileHandle, bool Out)
 {
   if (FileHandle >= 0) {
      for (int i = 0; i < numFileHandles; i++) {
-         if (pfd[i].fd == FileHandle)
+         if (pfd[i].fd == FileHandle && pfd[i].events == (Out ? POLLOUT : POLLIN))
             return true;
          }
      if (numFileHandles < MaxPollFiles) {
         pfd[numFileHandles].fd = FileHandle;
         pfd[numFileHandles].events = Out ? POLLOUT : POLLIN;
+        pfd[numFileHandles].revents = 0;
         numFileHandles++;
         return true;
         }