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try to fix Issue 221: Segfaulting RT. severe mem leak in thumb threading

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This commit is contained in:
Andrey Skvortsov
2010-09-13 18:13:20 -07:00
parent 24a457f320
commit da0faec489
2 changed files with 243 additions and 232 deletions
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23
rtgui/thumbimageupdater.cc
View File

@@ -19,11 +19,19 @@
#include <thumbimageupdater.h>
#include <gtkmm.h>
#define threadNum 4 // IF LCMS GETS THREAD SAFETY WE CAN ENABLE MORE THREADS
ThumbImageUpdater thumbImageUpdater;
ThumbImageUpdater::ThumbImageUpdater ()
: tostop(false), stopped(true), qMutex(NULL), startMutex(NULL) {
threadPool = new Glib::Thread* [threadNum];
}
ThumbImageUpdater::~ThumbImageUpdater ()
{
delete threadPool;
}
void ThumbImageUpdater::add (Thumbnail* t, const rtengine::procparams::ProcParams& params, int height, bool* priority, ThumbImageUpdateListener* l) {
@@ -59,9 +67,9 @@ void ThumbImageUpdater::add (Thumbnail* t, const rtengine::procparams::ProcParam
void ThumbImageUpdater::process () {
if (stopped) {
#undef THREAD_PRIORITY_NORMAL
#undef THREAD_PRIORITY_LOW
stopped = false;
thread = Glib::Thread::create(sigc::mem_fun(*this, &ThumbImageUpdater::process_), (unsigned long int)0, true, true, Glib::THREAD_PRIORITY_NORMAL);
thread = Glib::Thread::create(sigc::mem_fun(*this, &ThumbImageUpdater::process_), (unsigned long int)0, true, true, Glib::THREAD_PRIORITY_LOW);
}
}
@@ -70,8 +78,6 @@ void ThumbImageUpdater::process_ () {
stopped = false;
tostop = false;
#define threadNum 4 // IF LCMS GETS THREAD SAFETY WE CAN ENABLE MORE THREADS
Glib::Thread **threadPool = new Glib::Thread* [threadNum];
while (!tostop && !jqueue.empty ()) {
@@ -88,15 +94,18 @@ void ThumbImageUpdater::process_ () {
Job current = *i;
jqueue.erase (i);
if (current.listener)
threadPool[threads] = Glib::Thread::create(sigc::bind(sigc::mem_fun(*this, &ThumbImageUpdater::processJob), current), 0, true, true, Glib::THREAD_PRIORITY_NORMAL);
else
threadPool[threads] = NULL;
threadPool[threads] = Glib::Thread::create(sigc::bind(sigc::mem_fun(*this, &ThumbImageUpdater::processJob), current), 0, true, true, Glib::THREAD_PRIORITY_LOW);
//else
// threadPool[threads] = NULL;
}
qMutex->unlock ();
for (int j=0; j<threads; j++)
if (threadPool[j])
threadPool[j]->join ();
for(int j =0; j <threadNum;j++)
threadPool[j] = NULL;
}
stopped = true;
}

2
rtgui/thumbimageupdater.h
View File

@@ -46,9 +46,11 @@ class ThumbImageUpdater {
Glib::Thread* thread;
Glib::Mutex* qMutex;
Glib::Mutex* startMutex;
Glib::Thread **threadPool;
public:
ThumbImageUpdater ();
~ThumbImageUpdater ();
void add (Thumbnail* t, const rtengine::procparams::ProcParams& params, int height, bool* priority, ThumbImageUpdateListener* l);
void process ();