How to Write Shared Libraries

Ulrich Drepper gave a talk at Netscape today on How to Write Shared Libraries that I attended. Lots of good information on things to do and not to do when writing shared libraries. The talk was nearly 4 hours, but I now feel that I have a much better understanding of how Linux loads dynamic libraries and what things I should look out for when building them.

After he finished that talk, he gave a fairly short talk on the new linux thread library (NPTL, not NGPT) which he should be releasing soon. It sounds like it fixes a lot of the problems with LinuxThreads and gives tremendous speed improvements. NPT uses futexes and is only around 35k in size. I greatly look forward to seeing it being widely used.

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