/*
* MemoryContextReset
* Release all space allocated within a context and its descendants,
* but don't delete the contexts themselves.
*
* The type-specific reset routine handles the context itself, but we
* have to do the recursion for the children.
*/
void
MemoryContextReset(MemoryContext context)
{
AssertArg(MemoryContextIsValid(context));
/* save a function call in common case where there are no children */
if (context->firstchild != NULL)
MemoryContextResetChildren(context);
(*context->methods.reset) (context);
}
/*
* MemoryContextResetChildren
* Release all space allocated within a context's descendants,
* but don't delete the contexts themselves. The named context
* itself is not touched.
*/
void
MemoryContextResetChildren(MemoryContext context)
{
MemoryContext child;
AssertArg(MemoryContextIsValid(context));
for (child = context->firstchild; child != NULL; child = child->nextchild)
{
MemoryContextResetChildren(child);
MemoryContextResetOnly(child);
}
}
/*
* MemoryContextReset
* Release all space allocated within a context and its descendants,
* but don't delete the contexts themselves.
*
* The type-specific reset routine handles the context itself, but we
* have to do the recursion for the children.
*/
void
MemoryContextReset(MemoryContext context)
{
AssertArg(MemoryContextIsValid(context));
/* save a function call in common case where there are no children */
if (context->firstchild != NULL)
MemoryContextResetChildren(context);
/* Nothing to do if no pallocs since startup or last reset */
if (!context->isReset)
{
(*context->methods->reset) (context);
context->isReset = true;
}
}
