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Fixed a possible deadlock in handling the tuners of bonded devices

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This commit is contained in:
Klaus Schmidinger
2013-02-19 10:24:39 +01:00
parent 39ad232ee5
commit 851318c9b4
3 changed files with 7 additions and 4 deletions
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1
CONTRIBUTORS
View File

@@ -2898,6 +2898,7 @@ Juergen Lock <vdr-l@jelal.kn-bremen.de>
for reporting a problem with device bondings for devices that don't provide DVB-S
in case, for instance, there is now a DVB-T device where there used to be a bonded
DVB-S device
for fixing a possible deadlock in handling the tuners of bonded devices
Sergiu Dotenco <sergiu.dotenco@googlemail.com>
for reporting a missing initialization in sDvbSpuRect

2
HISTORY
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@@ -7657,3 +7657,5 @@ Video Disk Recorder Revision History
- Updated the Swedish OSD texts (thanks to Richard Lithvall).
- Now clearing device bondings for devices that don't provide DVB-S in the Setup/LNB
menu (reported by Juergen Lock).
- Fixed a possible deadlock in handling the tuners of bonded devices (thanks to
Juergen Lock).

8
dvbdevice.c
View File

@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: dvbdevice.c 2.80 2013/02/17 13:17:33 kls Exp $
* $Id: dvbdevice.c 2.81 2013/02/19 10:24:39 kls Exp $
*/
#include "dvbdevice.h"
@@ -307,6 +307,7 @@ private:
bool bondedMaster;
bool SetFrontendType(const cChannel *Channel);
cString GetBondingParams(const cChannel *Channel = NULL) const;
cDvbTuner *GetBondedMaster(void);
void ClearEventQueue(void) const;
bool GetFrontendStatus(fe_status_t &Status) const;
void ExecuteDiseqc(const cDiseqc *Diseqc, unsigned int *Frequency);
@@ -320,7 +321,6 @@ public:
bool Bond(cDvbTuner *Tuner);
void UnBond(void);
bool BondingOk(const cChannel *Channel, bool ConsiderOccupied = false) const;
cDvbTuner *GetBondedMaster(void);
const cChannel *GetTransponder(void) const { return &channel; }
uint32_t SubsystemId(void) const { return subsystemId; }
bool IsTunedTo(const cChannel *Channel) const;
@@ -742,7 +742,7 @@ bool cDvbTuner::SetFrontend(void)
if (const cDiseqc *diseqc = Diseqcs.Get(device->CardIndex() + 1, channel.Source(), frequency, dtp.Polarization(), &scr)) {
frequency -= diseqc->Lof();
if (diseqc != lastDiseqc || diseqc->IsScr()) {
if (GetBondedMaster() == this) {
if (!bondedTuner || bondedMaster) {
ExecuteDiseqc(diseqc, &frequency);
if (frequency == 0)
return false;
@@ -768,7 +768,7 @@ bool cDvbTuner::SetFrontend(void)
tone = SEC_TONE_ON;
}
int volt = (dtp.Polarization() == 'V' || dtp.Polarization() == 'R') ? SEC_VOLTAGE_13 : SEC_VOLTAGE_18;
if (GetBondedMaster() != this) {
if (bondedTuner && !bondedMaster) {
tone = SEC_TONE_OFF;
volt = SEC_VOLTAGE_13;
}