RTEMS C User's Guide
Chains are designed to be used in a multi-threading environment. The directives list which operations mask interrupts. Chains supports tasks and interrupt service routines appending and extracting nodes with out the need for extra locks. Chains how-ever cannot insure the integrity of a chain for all operations. This is the responsibility of the user. For example an interrupt service routine extracting nodes while a task is iterating over the chain can have unpredictable results.
RTEMS C User's Guide
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