firebird/firebird-mirror
firebird/firebird-mirror
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Code Issues

This should fix blockage reported by Ilya Eremin (@ilya071294) privately.

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This commit is contained in:
Vlad Khorsun 2023-09-12 18:57:33 +03:00
parent daf72b15c6
commit 66f6030467
1 changed files with 16 additions and 7 deletions
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23
src/jrd/PageToBufferMap.h
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@ -53,16 +53,24 @@ public:
{
Item* item = m_map.lookup(page);
if (!item)
return nullptr;
if (m_list != item)
if (item)
{
listRemove(item);
listInsert(item);
if (item->m_bdb->bdb_page == page)
{
// Move item into MRU position
if (m_list != item)
{
listRemove(item);
listInsert(item);
}
return item->m_bdb;
}
// bdb was reassigned
remove(page);
}
return item->m_bdb;
return nullptr;
}
void put(BufferDesc* bdb)
@ -70,6 +78,7 @@ public:
Item* item = m_map.lookup(bdb->bdb_page);
if (item)
{
fb_assert(item->m_bdb != bdb);
if (m_list != item)
listRemove(item);
}