void CacheFile::unmapAll()
{
QMap<void*,Entry>::iterator i = mappings.begin();
while (i != mappings.end())
{
int ret = 0;
CacheFile::Entry & e = i.value();
#ifdef Q_OS_WIN
fptr->unmap((uchar*)e.ptr);
#else
#ifdef HAVE_MUNMAP64
ret = munmap64(e.ptr,e.size);
#else
ret = munmap(e.ptr,e.size);
#endif // HAVE_MUNMAP64
#endif // Q_OS_WIN
e.thing->unmapped();
// if it will be reopenend, we will not remove all mappings
// so that they will be redone on reopening
i++;
mappings.remove(e.ptr);
if (ret < 0)
{
Out(SYS_DIO|LOG_IMPORTANT) << QString("Munmap failed with error %1 : %2").arg(errno).arg(strerror(errno)) << endl;
}
}
}
void CacheFile::unmap(void* ptr,Uint32 size)
{
int ret = 0;
QMutexLocker lock(&mutex);
// see if it wasn't an offsetted mapping
if (mappings.contains(ptr))
{
CacheFile::Entry & e = mappings[ptr];
#if HAVE_MUNMAP64
if (e.diff > 0)
ret = munmap64((char*)ptr - e.diff,e.size);
else
ret = munmap64(ptr,e.size);
#else
if (e.diff > 0)
ret = munmap((char*)ptr - e.diff,e.size);
else
ret = munmap(ptr,e.size);
#endif
mappings.erase(ptr);
// no mappings, close temporary
if (mappings.count() == 0)
closeTemporary();
}
else
{
#if HAVE_MUNMAP64
ret = munmap64(ptr,size);
#else
ret = munmap(ptr,size);
#endif
}
if (ret < 0)
{
Out(SYS_DIO|LOG_IMPORTANT) << QString("Munmap failed with error %1 : %2").arg(errno).arg(strerror(errno)) << endl;
}
}
void CacheFile::close()
{
QMutexLocker lock(&mutex);
if (fd == -1)
return;
QMap<void*,Entry>::iterator i = mappings.begin();
while (i != mappings.end())
{
int ret = 0;
CacheFile::Entry & e = i.data();
#if HAVE_MUNMAP64
if (e.diff > 0)
ret = munmap64((char*)e.ptr - e.diff,e.size);
else
ret = munmap64(e.ptr,e.size);
#else
if (e.diff > 0)
ret = munmap((char*)e.ptr - e.diff,e.size);
else
ret = munmap(e.ptr,e.size);
#endif
e.thing->unmapped();
i++;
mappings.erase(e.ptr);
if (ret < 0)
{
Out(SYS_DIO|LOG_IMPORTANT) << QString("Munmap failed with error %1 : %2").arg(errno).arg(strerror(errno)) << endl;
}
}
::close(fd);
fd = -1;
}
void MMapFile::close()
{
if (fptr)
{
#ifndef Q_WS_WIN
#ifdef HAVE_MUNMAP64
munmap64(data, size);
#else
munmap(data, size);
#endif
#else
fptr->unmap(data);
#endif
fptr->close();
delete fptr;
fptr = 0;
ptr = size = 0;
data = 0;
filename = QString::null;
}
}
void CacheFile::unmap(void* ptr,Uint32 size)
{
int ret = 0;
QMutexLocker lock(&mutex);
#ifdef Q_OS_WIN
if (!fptr)
return;
if (mappings.contains(ptr))
{
CacheFile::Entry & e = mappings[ptr];
if (!fptr->unmap((uchar*)e.ptr))
Out(SYS_DIO|LOG_IMPORTANT) << QString("Unmap failed : %1").arg(fptr->errorString()) << endl;
mappings.remove(ptr);
// no mappings, close temporary
if (mappings.count() == 0)
closeTemporary();
}
#else
// see if it wasn't an offsetted mapping
if (mappings.contains(ptr))
{
CacheFile::Entry & e = mappings[ptr];
#ifdef HAVE_MUNMAP64
ret = munmap64(e.ptr,e.size);
#else
ret = munmap(e.ptr,e.size);
#endif
if (ret < 0)
Out(SYS_DIO|LOG_IMPORTANT) << QString("Munmap failed with error %1 : %2").arg(errno).arg(strerror(errno)) << endl;
mappings.remove(ptr);
// no mappings, close temporary
if (mappings.count() == 0)
closeTemporary();
}
#endif
}
