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multiprocessing: allow Spack to run uninterrupted in background (#14682)

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Spack currently cannot run as a background process uninterrupted because some of the logging functions used in the install method (especially to create the dynamic verbosity toggle with the v key) cause the OS to issue a SIGTTOU to Spack when it's backgrounded.

This PR puts the necessary gatekeeping in place so that Spack doesn't do anything that will cause a signal to stop the process when operating as a background process.
This commit is contained in:
Greg Becker
2020-03-20 12:22:32 -07:00
committed by GitHub
parent 545fae8407
commit 75fafcece9
2 changed files with 83 additions and 46 deletions
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etc/spack/defaults/packages.yaml
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@@ -40,6 +40,7 @@ packages:
pil: [py-pillow]
pkgconfig: [pkgconf, pkg-config]
scalapack: [netlib-scalapack]
sycl: [hipsycl]
szip: [libszip, libaec]
tbb: [intel-tbb]
unwind: [libunwind]