diff options
Diffstat (limited to 'skins.h')
| -rw-r--r-- | skins.h | 10 |
1 files changed, 6 insertions, 4 deletions
@@ -4,7 +4,7 @@ * See the main source file 'vdr.c' for copyright information and * how to reach the author. * - * $Id: skins.h 4.2 2017/06/21 09:40:39 kls Exp $ + * $Id: skins.h 4.3 2017/06/23 09:08:40 kls Exp $ */ #ifndef __SKINS_H @@ -23,9 +23,11 @@ // Several member functions of the following classes are called with a pointer to // an object from a global list (cTimer, cChannel, cRecording or cEvent). In these -// cases the core VDR code holds a lock on the respective list. The called function -// may itself set a read lock (not a write lock!) on this list, because read locks -// can be nested. It may also set read locks (not write locks!) on higher order lists. +// cases the core VDR code holds a lock on the respective list. While in general a +// plugin should only work with the objects and data that is explicitly given to it +// in the function call, the called function may itself set a read lock (not a write +// lock!) on this list, because read locks can be nested. It may also set read locks +// (not write locks!) on higher order lists. // For instance, a function that is called with a cChannel may lock cRecordings and/or // cSchedules (which contains cEvent objects), but not cTimers. If a plugin needs to // set locks of its own (on mutexes defined inside the plugin code), it shall do so |