cmsg test program dumps core on s390x-unknown-linux-gnu #1240
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asomers
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Skip the CMSG_NXTHDR test on sparc64 linux because it hits a Bus Error. Skip the entire cmsg test program on s390x because it dumps core seemingly before the kernel finishes booting. Issue rust-lang#1239 Issue rust-lang#1240
asomers
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Since these are defined in C as macros, they must be reimplemented in libc as Rust functions. They're hard to get exactly right, and they vary from platform to platform. The test builds custom C code that uses the real macros, and compares its output to the Rust versions' output for various inputs. Skip the CMSG_NXTHDR test on sparc64 linux because it hits a Bus Error. Issue rust-lang#1239 Skip the entire cmsg test program on s390x because it dumps core seemingly before the kernel finishes booting. Issue rust-lang#1240
gnzlbg
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Closes rust-lang#1239. Closes rust-lang#1240.
gnzlbg
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PR #1235 adds a new test program to make sure that the cmsg(3) family of macros are correctly implemented. But on s390x (in qemu, of course), it fails with the cryptic error message
timeout: the monitored command dumped core. It seems as though the kernel hasn't even finished booting. I only see this error in Travis. On my desktop, cmsg works fine for s390x.https://travis-ci.com/rust-lang/libc/jobs/175199672
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