include/ldap_pvt_thread.h · 10d7f35484ef4fa7db960bcf1e28c54fa449e586 · Christopher Ng / OpenLDAP

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26 years ago

Fix dbcache/entry lock deadlock. If dbcache lock is held, it's · 366701bd

Kurt Zeilenga authored 26 years ago

okay to read and write LDBM specific fields (state, refcnt,
LRU.  The id field, though is read-only once set.
cache_find_entry_dn2id(), hence, does not require any entry locks.
cache_find_entry_id() must do a entry_rdwr_trylock() and back
off if busy.
Add new rdwr lock code with trylock() functionality.
Implement entry_rdwr_trylock().

366701bd

History

Fix dbcache/entry lock deadlock. If dbcache lock is held, it's

Kurt Zeilenga authored 26 years ago

okay to read and write LDBM specific fields (state, refcnt,
LRU.  The id field, though is read-only once set.
cache_find_entry_dn2id(), hence, does not require any entry locks.
cache_find_entry_id() must do a entry_rdwr_trylock() and back
off if busy.
Add new rdwr lock code with trylock() functionality.
Implement entry_rdwr_trylock().

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