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Added a mutex lock to protect creating/deleting cEpgHandler objects

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This commit is contained in:
Klaus Schmidinger
2025-03-04 16:27:49 +01:00
parent e349523ec2
commit 6df4d96ed1
3 changed files with 11 additions and 4 deletions
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3
CONTRIBUTORS
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@@ -2596,7 +2596,8 @@ Markus Ehrnsperger <markus.ehrnsperger@googlemail.com>
for implementing cStatus::OsdCurrentItem2() with the index of the current item for implementing cStatus::OsdCurrentItem2() with the index of the current item
for adding missing calls to cStatus::MsgOsdStatusMessage() and implementing for adding missing calls to cStatus::MsgOsdStatusMessage() and implementing
cStatus::OsdStatusMessage2() with the type of the message cStatus::OsdStatusMessage2() with the type of the message
for suggesting to add a mutex lock to protect creating/deleting cStatus objects for suggesting to add mutex locks to protect creating/deleting cStatus and cEpgHandler
objects
Werner Färber <w.faerber@gmx.de> Werner Färber <w.faerber@gmx.de>
for reporting a bug in handling the cPluginManager::Active() result when pressing for reporting a bug in handling the cPluginManager::Active() result when pressing

4
HISTORY
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@@ -10100,7 +10100,7 @@ Video Disk Recorder Revision History
Plugins that use these recently introduced functions need to remove the '2' from the name. Plugins that use these recently introduced functions need to remove the '2' from the name.
- The new virtual function cSkinDisplayMenu::SetItemEvent(..., const cTimer *Timer) can be - The new virtual function cSkinDisplayMenu::SetItemEvent(..., const cTimer *Timer) can be
used to get full access to the timer (if any) defined for this event. used to get full access to the timer (if any) defined for this event.
- Added a mutex lock to protect creating/deleting cStatus objects (suggested by Markus - Added mutex locks to protect creating/deleting cStatus and cEpgHandler objects (suggested
Ehrnsperger). by Markus Ehrnsperger).
- Making absolutely sure cEvent::Title() never returns NULL. - Making absolutely sure cEvent::Title() never returns NULL.
APIVERSNUM is now 30007. APIVERSNUM is now 30007.

8
epg.c
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@@ -7,7 +7,7 @@
* Original version (as used in VDR before 1.3.0) written by * Original version (as used in VDR before 1.3.0) written by
* Robert Schneider <Robert.Schneider@web.de> and Rolf Hakenes <hakenes@hippomi.de>. * Robert Schneider <Robert.Schneider@web.de> and Rolf Hakenes <hakenes@hippomi.de>.
* *
* $Id: epg.c 5.14 2025/03/02 11:03:35 kls Exp $ * $Id: epg.c 5.15 2025/03/04 16:27:49 kls Exp $
*/ */
#include "epg.h" #include "epg.h"
@@ -1421,14 +1421,20 @@ void cEpgDataReader::Action(void)
// --- cEpgHandler ----------------------------------------------------------- // --- cEpgHandler -----------------------------------------------------------
static cMutex Mutex;
cEpgHandler::cEpgHandler(void) cEpgHandler::cEpgHandler(void)
{ {
Mutex.Lock();
EpgHandlers.Add(this); EpgHandlers.Add(this);
Mutex.Unlock();
} }
cEpgHandler::~cEpgHandler() cEpgHandler::~cEpgHandler()
{ {
Mutex.Lock();
EpgHandlers.Del(this, false); EpgHandlers.Del(this, false);
Mutex.Unlock();
} }
// --- cEpgHandlers ---------------------------------------------------------- // --- cEpgHandlers ----------------------------------------------------------