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https://github.com/VDR4Arch/vdr.git
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The cThread constructor now has an additional boolean parameter that can be set to true to have this thread run at a lower priority
This commit is contained in:
Klaus Schmidinger
parent
5a407d0e68
commit
1e9b16d20b
7
HISTORY
7
HISTORY
@ -7272,7 +7272,7 @@ Video Disk Recorder Revision History
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".keep" to prevent a directory from being deleted when it is empty. Currently the
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only file name that is ignored is ".sort".
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2012-10-03: Version 1.7.32
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2012-10-04: Version 1.7.32
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- Pressing the Play key during normal live viewing mode now opens the Recordings menu
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if there is no "last viewed" recording (thanks to Alexander Wenzel).
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@ -7280,3 +7280,8 @@ Video Disk Recorder Revision History
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- cIoThrottle::Engaged() is now also checked in cRemoveDeletedRecordingsThread::Action(),
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to suspend removing deleted recordings in case this is necessary to make room for
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new, ongoing recordings (suggested by Udo Richter).
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- The cThread constructor now has an additional boolean parameter that can be set to
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true to have this thread run at a lower priority. Plugin authors that use low
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priority threads may want to use this instead of the calls to SetPriority(19) and
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SetIOPriority(7). The priority of a thread ("low" or "high") is now logged when the
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thread starts.
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6
cutter.c
6
cutter.c
@ -4,7 +4,7 @@
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: cutter.c 2.14 2012/09/20 09:12:47 kls Exp $
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* $Id: cutter.c 2.15 2012/10/04 12:19:37 kls Exp $
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*/
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#include "cutter.h"
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@ -33,7 +33,7 @@ public:
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};
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cCuttingThread::cCuttingThread(const char *FromFileName, const char *ToFileName)
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:cThread("video cutting")
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:cThread("video cutting", true)
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{
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error = NULL;
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fromFile = toFile = NULL;
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@ -69,8 +69,6 @@ void cCuttingThread::Action(void)
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{
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cMark *Mark = fromMarks.First();
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if (Mark) {
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SetPriority(19);
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SetIOPriority(7);
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fromFile = fromFileName->Open();
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toFile = toFileName->Open();
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if (!fromFile || !toFile)
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6
epg.c
6
epg.c
@ -7,7 +7,7 @@
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* Original version (as used in VDR before 1.3.0) written by
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* Robert Schneider <Robert.Schneider@web.de> and Rolf Hakenes <hakenes@hippomi.de>.
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*
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* $Id: epg.c 2.21 2012/09/29 14:29:49 kls Exp $
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* $Id: epg.c 2.22 2012/10/04 12:21:24 kls Exp $
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*/
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#include "epg.h"
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@ -1148,14 +1148,12 @@ public:
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};
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cEpgDataWriter::cEpgDataWriter(void)
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:cThread("epg data writer")
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:cThread("epg data writer", true)
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{
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}
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void cEpgDataWriter::Action(void)
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{
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SetPriority(19);
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SetIOPriority(7);
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Perform();
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}
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@ -4,7 +4,7 @@
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: recording.c 2.65 2012/10/03 12:52:13 kls Exp $
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* $Id: recording.c 2.66 2012/10/04 12:21:38 kls Exp $
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*/
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#include "recording.h"
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@ -83,14 +83,12 @@ public:
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};
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cRemoveDeletedRecordingsThread::cRemoveDeletedRecordingsThread(void)
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:cThread("remove deleted recordings")
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:cThread("remove deleted recordings", true)
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{
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}
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void cRemoveDeletedRecordingsThread::Action(void)
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{
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SetPriority(19);
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SetIOPriority(7);
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// Make sure only one instance of VDR does this:
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cLockFile LockFile(VideoDirectory);
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if (LockFile.Lock()) {
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@ -4,7 +4,7 @@
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: sections.c 2.1 2012/08/26 12:53:39 kls Exp $
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* $Id: sections.c 2.2 2012/10/04 12:21:59 kls Exp $
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*/
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#include "sections.h"
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@ -40,7 +40,7 @@ public:
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// --- cSectionHandler -------------------------------------------------------
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cSectionHandler::cSectionHandler(cDevice *Device)
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:cThread("section handler")
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:cThread("section handler", true)
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{
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shp = new cSectionHandlerPrivate;
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device = Device;
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@ -164,7 +164,6 @@ void cSectionHandler::SetStatus(bool On)
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void cSectionHandler::Action(void)
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{
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SetPriority(19);
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while (Running()) {
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Lock();
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11
thread.c
11
thread.c
@ -4,7 +4,7 @@
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: thread.c 2.5 2012/09/20 09:05:50 kls Exp $
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* $Id: thread.c 2.6 2012/10/04 12:20:43 kls Exp $
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*/
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#include "thread.h"
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@ -204,7 +204,7 @@ void cMutex::Unlock(void)
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tThreadId cThread::mainThreadId = 0;
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cThread::cThread(const char *Description)
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cThread::cThread(const char *Description, bool LowPriority)
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{
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active = running = false;
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childTid = 0;
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@ -212,6 +212,7 @@ cThread::cThread(const char *Description)
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description = NULL;
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if (Description)
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SetDescription("%s", Description);
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lowPriority = LowPriority;
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}
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cThread::~cThread()
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@ -248,12 +249,16 @@ void *cThread::StartThread(cThread *Thread)
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{
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Thread->childThreadId = ThreadId();
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if (Thread->description) {
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dsyslog("%s thread started (pid=%d, tid=%d)", Thread->description, getpid(), Thread->childThreadId);
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dsyslog("%s thread started (pid=%d, tid=%d, prio=%s)", Thread->description, getpid(), Thread->childThreadId, Thread->lowPriority ? "low" : "high");
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#ifdef PR_SET_NAME
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if (prctl(PR_SET_NAME, Thread->description, 0, 0, 0) < 0)
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esyslog("%s thread naming failed (pid=%d, tid=%d)", Thread->description, getpid(), Thread->childThreadId);
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#endif
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}
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if (Thread->lowPriority) {
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Thread->SetPriority(19);
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Thread->SetIOPriority(7);
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}
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Thread->Action();
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if (Thread->description)
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dsyslog("%s thread ended (pid=%d, tid=%d)", Thread->description, getpid(), Thread->childThreadId);
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7
thread.h
7
thread.h
@ -4,7 +4,7 @@
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: thread.h 2.2 2012/09/20 08:46:27 kls Exp $
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* $Id: thread.h 2.3 2012/10/04 12:15:39 kls Exp $
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*/
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#ifndef __THREAD_H
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@ -83,6 +83,7 @@ private:
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tThreadId childThreadId;
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cMutex mutex;
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char *description;
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bool lowPriority;
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static tThreadId mainThreadId;
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static void *StartThread(cThread *Thread);
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protected:
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@ -106,11 +107,13 @@ protected:
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///< If WaitSeconds is -1, only 'running' is set to false and Cancel()
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///< returns immediately, without killing the thread.
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public:
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cThread(const char *Description = NULL);
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cThread(const char *Description = NULL, bool LowPriority = false);
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///< Creates a new thread.
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///< If Description is present, a log file entry will be made when
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///< the thread starts and stops. The Start() function must be called
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///< to actually start the thread.
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///< LowPriority can be set to true to make this thread run at a lower
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///< priority.
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virtual ~cThread();
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void SetDescription(const char *Description, ...) __attribute__ ((format (printf, 2, 3)));
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bool Start(void);
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