/*
Copyright (C) 1998-99 Paul Barton-Davis
-
+
This program 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 of the License, or
/* since some overloaded ::operator new() might use this,
its important that we use a "lower level" allocator to
- get more space.
+ get more space.
*/
block = malloc (nitems * item_size);
}
/** Release an item's memory by writing its location to the free list */
-void
+void
Pool::release (void *ptr)
{
free_list.write (&ptr, 1);
/*---------------------------------------------*/
-MultiAllocSingleReleasePool::MultiAllocSingleReleasePool (string n, unsigned long isize, unsigned long nitems)
+MultiAllocSingleReleasePool::MultiAllocSingleReleasePool (string n, unsigned long isize, unsigned long nitems)
: Pool (n, isize, nitems)
{
}
{
}
-SingleAllocMultiReleasePool::SingleAllocMultiReleasePool (string n, unsigned long isize, unsigned long nitems)
+SingleAllocMultiReleasePool::SingleAllocMultiReleasePool (string n, unsigned long isize, unsigned long nitems)
: Pool (n, isize, nitems)
{
}
/*-------------------------------------------------------*/
-static void
+static void
free_per_thread_pool (void* ptr)
{
/* Rather than deleting the CrossThreadPool now, we add it to our trash buffer.
cp->parent()->add_to_trash (cp);
}
}
-
+
PerThreadPool::PerThreadPool ()
: _key (free_per_thread_pool)
, _trash (0)
PerThreadPool::add_to_trash (CrossThreadPool* p)
{
Glib::Threads::Mutex::Lock lm (_trash_mutex);
-
+
if (!_trash) {
warning << "Pool " << p->name() << " has no trash collector; a memory leak has therefore occurred" << endmsg;
return;
/* we have a lock here so that multiple threads can safely call add_to_trash (even though there
can only be one writer to the _trash RingBuffer)
*/
-
+
_trash->write (&p, 1);
}
, pending (nitems)
, _parent (p)
{
-
+
}
void
{
void* ptr;
bool did_release = false;
-
+
DEBUG_TRACE (DEBUG::Pool, string_compose ("%1 %2 has %3 pending free entries waiting, status size %4 free %5 used %6\n", pthread_name(), name(), pending.read_space(),
total(), available(), used()));
-
+
while (pending.read (&ptr, 1) == 1) {
DEBUG_TRACE (DEBUG::Pool, string_compose ("%1 %2 pushes back a pending free list entry before allocating\n", pthread_name(), name()));
free_list.write (&ptr, 1);
}
void*
-CrossThreadPool::alloc ()
+CrossThreadPool::alloc ()
{
/* process anything waiting to be deleted (i.e. moved back to the free list) */
flush_pending ();
}
void
-CrossThreadPool::push (void* t)
+CrossThreadPool::push (void* t)
{
pending.write (&t, 1);
}