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Removed QMutex for thread safe behaviour and support for multiple SingleApplication instances

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Problem raised by @retmas in #24
This commit is contained in:
Itay Grudev 2017-04-23 14:31:32 +03:00
parent eee5d9544b
commit c2a6faca68
2 changed files with 1 additions and 19 deletions
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17
singleapplication.cpp
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@ -220,15 +220,6 @@ void SingleApplicationPrivate::connectToPrimary( int msecs, char connectionType
#ifdef Q_OS_UNIX
void SingleApplicationPrivate::crashHandler()
{
// This guarantees the program will work even with multiple
// instances of SingleApplication in different threads.
// Which in my opinion is idiotic, but lets handle that too.
{
sharedMemMutex.lock();
sharedMem.append( this );
sharedMemMutex.unlock();
}
// Handle any further termination signals to ensure the
// QSharedMemory block is deleted even if the process crashes
signal( SIGHUP, SingleApplicationPrivate::terminate ); // 1
@ -249,15 +240,9 @@ void SingleApplicationPrivate::connectToPrimary( int msecs, char connectionType
void SingleApplicationPrivate::terminate( int signum )
{
while( ! sharedMem.empty() ) {
delete sharedMem.back();
sharedMem.pop_back();
}
delete ((SingleApplication*)QApplication::instance())->d_ptr;
::exit( 128 + signum );
}
QList<SingleApplicationPrivate*> SingleApplicationPrivate::sharedMem;
QMutex SingleApplicationPrivate::sharedMemMutex;
#endif
/**

3
singleapplication_p.h
View File

@ -32,7 +32,6 @@
#ifndef SINGLEAPPLICATION_P_H
#define SINGLEAPPLICATION_P_H
#include <QtCore/QMutex>
#include <QtCore/QSharedMemory>
#include <QtNetwork/QLocalServer>
#include <QtNetwork/QLocalSocket>
@ -59,8 +58,6 @@ public:
#ifdef Q_OS_UNIX
void crashHandler();
static void terminate( int signum );
static QList<SingleApplicationPrivate*> sharedMem;
static QMutex sharedMemMutex;
#endif
QSharedMemory *memory;