36496b9174
* Fix crashes when running spack install under nohup Fixes #4919 For reasons that I do not entire understand, duplicate_stream() throws an '[Errno 22] Invalid argument' exception when it tries to `os.fdopen()` the duplicated file descriptor generated by `os.dup(original.fileno())`. See spack/llnl/util/lang.py, line 394-ish. This happens when run under `nohup`, which supposedly has hooked `stdin` to `/dev/null`. It seems like opening and using `devnull` on the `input_stream` in this situation is a reasonable way to handle the problem. * Be more specific about error being handled. Only catch the specific error that happens when trying to dup the stdin that nohup provides. Catching e as a StandardErorr and then `type(e).__name__` tells me that it's an OSError. Printing e.errno tells me that it's 22 Double checking tells me that 22 is EINVAL. Phew. |
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