Added cap_sys_nice to the capabilities that are not dropped

CONTRIBUTORS

@@ -1061,6 +1061,7 @@ Rolf Ahrenberg <rahrenbe@cc.hut.fi>
  the last replayed recording was in a subdirectory, and pressing Back
  for setting the thread name, so that it can be seen in 'top -H'
  for replacing the Finnish language code "smi" with "suo"
+ for adding cap_sys_nice to the capabilities that are not dropped
 
 Ralf Klueber <ralf.klueber@vodafone.com>
  for reporting a bug in cutting a recording if there is only a single editing mark

HISTORY

@@ -5979,8 +5979,10 @@ Video Disk Recorder Revision History
   cDevice class reimplements PlayTs() or PlayPes(), it also needs to make sure this
   new function works as expected.
 
-2009-01-30: Version 1.7.5
+2009-02-01: Version 1.7.5
 
 - Fixed a hangup when replaying a TS recording with subtitles activated (reported
   by Timo Helkio).
 - Fixed handling the 'new' indicator in the recordings menu for TS recordings.
+- Added cap_sys_nice to the capabilities that are not dropped (thanks to Rolf
+  Ahrenberg).

vdr.c

@@ -22,7 +22,7 @@
  *
  * The project's page is at http://www.cadsoft.de/vdr
  *
- * $Id: vdr.c 2.4 2009/01/18 11:02:37 kls Exp $
+ * $Id: vdr.c 2.5 2009/02/01 10:13:48 kls Exp $
  */
 
 #include <getopt.h>
@@ -112,10 +112,10 @@ static bool SetUser(const char *UserName, bool UserDump)//XXX name?
   return true;
 }
 
-static bool SetCapSysTime(void)
+static bool DropCaps(void)
 {
-  // drop all capabilities except cap_sys_time
-  cap_t caps = cap_from_text("= cap_sys_time=ep");
+  // drop all capabilities except selected ones
+  cap_t caps = cap_from_text("= cap_sys_nice,cap_sys_time=ep");
   if (!caps) {
      fprintf(stderr, "vdr: cap_from_text failed: %s\n", strerror(errno));
      return false;
@@ -387,7 +387,7 @@ int main(int argc, char *argv[])
            return 2;
         if (!SetKeepCaps(false))
            return 2;
-        if (!SetCapSysTime())
+        if (!DropCaps())
            return 2;
         }
      }