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Re:Redox – A Unix-Like Operating System Written in Rust by pjmlp on Wednesday November 14, 2018 @03:39AM (#18448451)
I don't recall BeOS being that POSIX friendly though.

Haiku own extensions to the original design?

Re:Redox – A Unix-Like Operating System Written in Rust by waddlesplash on Wednesday November 14, 2018 @10:52AM (#18450776)
Yes, indeed; we implement most of the mainline POSIX specification where BeOS did not at all (it didn't even have pthreads.)
Re:Redox – A Unix-Like Operating System Written in Rust by ptman on Wednesday November 14, 2018 @10:28AM (#18450544)
BeOS supported enough posix to use gcc.
Re:Redox – A Unix-Like Operating System Written in Rust by pjmlp on Wednesday November 14, 2018 @10:31AM (#18450570)
ISO C and POSIX are orthogonal. GCC also supports non-POSIX platforms.