Any GNU C threadpool library? (original) (raw)

Florian Weimer fweimer@redhat.com
Tue Feb 15 13:42:33 GMT 2022

Is there any GNU C library that supports threadpool? My project previously was developed for the QNX Neutrino platform. Now we are porting it to linux. QNX had a built-in threadpool library based on pthread.

We have a stack cache which avoids some of the mmap overhead involved in thread creation. Creating the threads themselves is fairly cheap in Linux, I think, so we do not keep them around in a separate cache. Different kernels also have different thread-associated resources, so a thread cache wouldn't be totally transparent to applications.

Thanks, Florian

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