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Function calls involving the following functions or control codes can cause deadlock when made from resource DLLs. The following table lists these functions along with a usage code. A subsequent table describes the usage codes.
The following table describes the usage codes presented in the previous table.
| Usage code | Usage notes |
|---|---|
| Some entry points okay. | Do not call these functions from the following resource DLL entry point functions: Close, Offline, Online, Open, Terminate. These functions can be safely called from any other resource DLL entry point function or from a worker thread. |
| Worker thread only. | These functions should be called only from a worker thread (see ClusWorkerCreate, ClusWorkerCheckTerminate, and ClusWorkerTerminate). |
| Do not use. | Do not call any of these functions from a resource DLL. Functions in this category modify dependency relationships, add or remove resources from groups, create or delete groups or resources, cause resource or group state changes, or change the node lists of groups or resources. |