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// This is the SIP interface definition for QSemaphore.
//
// Copyright (c) 2007
// Riverbank Computing Limited <info@riverbankcomputing.co.uk>
//
// This file is part of PyQt.
//
// This copy of PyQt is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2, or (at your option) any later
// version.
//
// PyQt is supplied in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
// details.
//
// You should have received a copy of the GNU General Public License along with
// PyQt; see the file LICENSE. If not, write to the Free Software Foundation,
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
%ExportedDoc
<Sect2><Title>QSemaphore (Qt v2.2+)</Title>
<Para>
<Literal>QSemaphore</Literal> is fully implemented. The <Literal>+=</Literal>
and <Literal>-=</Literal> operators have also been implemented, but require
Python v2.0 or later.
</Para>
</Sect2>
%End
%If (Qt_THREAD_SUPPORT)
%If (Qt_3_0_0 -)
class QSemaphore
{
%TypeHeaderCode
#include <qsemaphore.h>
%End
public:
QSemaphore(int);
int available() const;
int total() const;
QSemaphore &operator+=(int);
%MethodCode
// Some versions of Qt v3 under Windows have a bug where the +=
// operator doesn't work properly (but ++ does). This way we
// make sure that the most common value of n (ie. 1) works
// properly with the buggy version.
Py_BEGIN_ALLOW_THREADS
if (a0 == 1)
(*sipCpp)++;
else
(*sipCpp) += a0;
Py_END_ALLOW_THREADS
%End
QSemaphore &operator-=(int);
%MethodCode
// Some versions of Qt v3 under Windows have a bug where the -=
// operator doesn't work properly (but -- does). This way we
// make sure that the most common value of n (ie. 1) works
// properly with the buggy version.
Py_BEGIN_ALLOW_THREADS
if (a0 == 1)
(*sipCpp)--;
else
(*sipCpp) -= a0;
Py_END_ALLOW_THREADS
%End
bool tryAccess(int);
private:
QSemaphore(const QSemaphore &);
};
%End
%If (Qt_2_2_0 - Qt_3_0_0)
class QSemaphore : Qt
{
%TypeHeaderCode
#include <qthread.h>
%End
public:
QSemaphore(int);
int available() const;
int total() const;
QSemaphore &operator+=(int);
QSemaphore &operator-=(int);
private:
QSemaphore(const QSemaphore &);
};
%End
%End
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