void GeneratedVector::changeRange(double x0, double x1, int n) {
if (n < 2) {
n = 2;
}
if (n != length()) {
resize(n, false);
}
if (x0 > x1) {
double tx;
tx = x0;
x0 = x1;
x1 = tx;
} else if (x0 == x1) {
x1 = x0 + 0.1;
}
for (int i = 0; i < n; i++) {
_v[i] = x0 + double(i) * (x1 - x0) / double(n - 1);
}
_scalars["min"]->setValue(x0);
_scalars["max"]->setValue(x1);
registerChange();
}
void* DurRecoveryUnit::writingPtr(void* data, size_t len) {
invariant(inAUnitOfWork());
if (len == 0) return data; // Don't need to do anything for empty ranges.
// Windows requires us to adjust the address space *before* we write to anything.
MemoryMappedFile::makeWritable(data, len);
registerChange(new MemoryWrite(static_cast<char*>(data), len));
return data;
}
void DataString::reload() {
Q_ASSERT(myLockStatus() == KstRWLock::WRITELOCKED);
if (_dp->dataSource()) {
_dp->dataSource()->writeLock();
_dp->dataSource()->reset();
_dp->dataSource()->unlock();
reset();
registerChange();
}
}
void* DurRecoveryUnit::writingPtr(void* data, size_t len) {
invariant(len > 0);
#if ROLLBACK_ENABLED
invariant(inAUnitOfWork());
// Windows requires us to adjust the address space *before* we write to anything.
MemoryMappedFile::makeWritable(data, len);
registerChange(new MemoryWrite(static_cast<char*>(data), len));
return data;
#else
invariant(_txn->lockState()->isWriteLocked());
return getDur().writingPtr(data, len);
#endif
}
void DurRecoveryUnit::recordPreimage(char* data, size_t len) {
invariant(len > 0);
registerChange(new MemoryWrite(data, len));
}
