Virtual thread: Difference between revisions

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Implementations: Add JDK21, with synchronized/native limitations
m Complexity: Grammar
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Because virtual threads offer parallelism, the programmer needs to be skilled in multi-threaded programming and synchronization.
 
Because a blocked virtual thread would block the OS thread it occupies at the moment, much effort must be taken in the runtime to handle blocking system calls. Typically, a thread from ana pool of spare OS threads is used to execute the blocking call for the virtual thread so that the initially executing OS thread is not blocked.
 
Management of the virtual thread stack requires care in the linker and short predictions of additional stack space requirements.