/*
* Add a relcache inval entry
*/
static void
AddRelcacheInvalidationMessage(InvalidationListHeader *hdr,
Oid dbId, Oid relId)
{
SharedInvalidationMessage msg;
/*
* Don't add a duplicate item. We assume dbId need not be checked because
* it will never change. InvalidOid for relId means all relations so we
* don't need to add individual ones when it is present.
*/
ProcessMessageList(hdr->rclist,
if (msg->rc.id == SHAREDINVALRELCACHE_ID &&
(msg->rc.relId == relId ||
msg->rc.relId == InvalidOid))
return);
/* OK, add the item */
msg.rc.id = SHAREDINVALRELCACHE_ID;
msg.rc.dbId = dbId;
msg.rc.relId = relId;
/* check AddCatcacheInvalidationMessage() for an explanation */
VALGRIND_MAKE_MEM_DEFINED(&msg, sizeof(msg));
AddInvalidationMessage(&hdr->rclist, &msg);
}
/*
* Add a whole-catalog inval entry
*/
static void
AddCatalogInvalidationMessage(InvalidationListHeader *hdr,
Oid dbId, Oid catId)
{
SharedInvalidationMessage msg;
msg.cat.id = SHAREDINVALCATALOG_ID;
msg.cat.dbId = dbId;
msg.cat.catId = catId;
AddInvalidationMessage(&hdr->cclist, &msg);
}
/*
* Add a catcache inval entry
*/
static void
AddCatcacheInvalidationMessage(InvalidationListHeader *hdr,
int id, uint32 hashValue, Oid dbId)
{
SharedInvalidationMessage msg;
Assert(id < CHAR_MAX);
msg.cc.id = (int8) id;
msg.cc.dbId = dbId;
msg.cc.hashValue = hashValue;
AddInvalidationMessage(&hdr->cclist, &msg);
}
/*
* Add a catcache inval entry
*/
static void
AddCatcacheInvalidationMessage(InvalidationListHeader *hdr,
int id, uint32 hashValue,
ItemPointer tuplePtr, Oid dbId)
{
SharedInvalidationMessage msg;
msg.cc.id = (int16) id;
msg.cc.tuplePtr = *tuplePtr;
msg.cc.dbId = dbId;
msg.cc.hashValue = hashValue;
AddInvalidationMessage(&hdr->cclist, &msg);
}
/*
* Add a whole-catalog inval entry
*/
static void
AddCatalogInvalidationMessage(InvalidationListHeader *hdr,
Oid dbId, Oid catId)
{
SharedInvalidationMessage msg;
msg.cat.id = SHAREDINVALCATALOG_ID;
msg.cat.dbId = dbId;
msg.cat.catId = catId;
/* check AddCatcacheInvalidationMessage() for an explanation */
VALGRIND_MAKE_MEM_DEFINED(&msg, sizeof(msg));
AddInvalidationMessage(&hdr->cclist, &msg);
}
/*
* Add an smgr inval entry
*/
static void
AddSmgrInvalidationMessage(InvalidationListHeader *hdr,
RelFileNode rnode)
{
SharedInvalidationMessage msg;
/* Don't add a duplicate item */
ProcessMessageList(hdr->rclist,
if (msg->sm.id == SHAREDINVALSMGR_ID &&
RelFileNodeEquals(msg->sm.rnode, rnode))
return);
/* OK, add the item */
msg.sm.id = SHAREDINVALSMGR_ID;
msg.sm.rnode = rnode;
AddInvalidationMessage(&hdr->rclist, &msg);
}
/*
* Add a relcache inval entry
*/
static void
AddRelcacheInvalidationMessage(InvalidationListHeader *hdr,
Oid dbId, Oid relId)
{
SharedInvalidationMessage msg;
/* Don't add a duplicate item */
/* We assume dbId need not be checked because it will never change */
ProcessMessageList(hdr->rclist,
if (msg->rc.id == SHAREDINVALRELCACHE_ID &&
msg->rc.relId == relId)
return);
/* OK, add the item */
msg.rc.id = SHAREDINVALRELCACHE_ID;
msg.rc.dbId = dbId;
msg.rc.relId = relId;
AddInvalidationMessage(&hdr->rclist, &msg);
}
/*
* Add a snapshot inval entry
*/
static void
AddSnapshotInvalidationMessage(InvalidationListHeader *hdr,
Oid dbId, Oid relId)
{
SharedInvalidationMessage msg;
/* Don't add a duplicate item */
/* We assume dbId need not be checked because it will never change */
ProcessMessageList(hdr->rclist,
if (msg->sn.id == SHAREDINVALSNAPSHOT_ID &&
msg->sn.relId == relId)
return);
/* OK, add the item */
msg.sn.id = SHAREDINVALSNAPSHOT_ID;
msg.sn.dbId = dbId;
msg.sn.relId = relId;
/* check AddCatcacheInvalidationMessage() for an explanation */
VALGRIND_MAKE_MEM_DEFINED(&msg, sizeof(msg));
AddInvalidationMessage(&hdr->rclist, &msg);
}
/*
* Add a catcache inval entry
*/
static void
AddCatcacheInvalidationMessage(InvalidationListHeader *hdr,
int id, uint32 hashValue, Oid dbId)
{
SharedInvalidationMessage msg;
Assert(id < CHAR_MAX);
msg.cc.id = (int8) id;
msg.cc.dbId = dbId;
msg.cc.hashValue = hashValue;
/*
* Define padding bytes in SharedInvalidationMessage structs to be
* defined. Otherwise the sinvaladt.c ringbuffer, which is accessed by
* multiple processes, will cause spurious valgrind warnings about
* undefined memory being used. That's because valgrind remembers the
* undefined bytes from the last local process's store, not realizing that
* another process has written since, filling the previously uninitialized
* bytes
*/
VALGRIND_MAKE_MEM_DEFINED(&msg, sizeof(msg));
AddInvalidationMessage(&hdr->cclist, &msg);
}
