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Incubation

Thread Library

The Thread Library is a platform abstraction library for synchronization constructs and low-level thread-related services. This library includes the following capabilities:

• Create and destroy threads
• Platform abstraction of synchronization constructs such as mutexes and condvrs
• Introspection of threads

Public APIs in the Thread Library are prefixed with “omrthread_”.

The omrthread_ APIs offer capabilities that are not available from OS-level APIs, such as:

• Multiplatform support
• Inspect and debug wait queues on locks and condvars
• Tune userspace spinlocking

To use the Thread Library, a thread must either be created by the library, or attached to it using the omrthread_attach()/omrthread_attach_ex() API.

Thread Library APIs are not re-entrant. omrthread_ functions cannot call other omrthread_ functions. Since omrthread_ functions are used by most other components of OMR, omrthread_ functions must not have dependencies on any other components of OMR.