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BUGFIX: Limit the number of concurrent download threads to save memory

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This commit is contained in:
Christophe Dumez 2008-07-27 16:13:57 +00:00
parent fed63b0b85
commit cc4a542e9d
2 changed files with 10 additions and 1 deletions
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10
src/downloadThread.cpp
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@ -24,6 +24,8 @@
#include <QSettings>
#include <stdio.h>
#define MAX_THREADS 3
// http://curl.rtin.bz/libcurl/c/libcurl-errors.html
QString subDownloadThread::errorCodeToString(CURLcode status) {
switch(status){
@ -165,7 +167,7 @@ void downloadThread::run(){
if(abort)
return;
mutex.lock();
if(url_list.size() != 0){
if(url_list.size() != 0 && subThreads.size() < MAX_THREADS){
QString url = url_list.takeFirst();
mutex.unlock();
subDownloadThread *st = new subDownloadThread(0, url);
@ -190,6 +192,9 @@ void downloadThread::propagateDownloadedFile(subDownloadThread* st, QString url,
index = downloading_list.indexOf(url);
Q_ASSERT(index != -1);
downloading_list.removeAt(index);
if(url_list.size() != 0) {
condition.wakeOne();
}
mutex.unlock();
}
@ -203,5 +208,8 @@ void downloadThread::propagateDownloadFailure(subDownloadThread* st, QString url
index = downloading_list.indexOf(url);
Q_ASSERT(index != -1);
downloading_list.removeAt(index);
if(url_list.size() != 0) {
condition.wakeOne();
}
mutex.unlock();
}