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[test] Drop running_under_rr() check #44693

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[test] Drop running_under_rr() check #44693

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11 changes: 1 addition & 10 deletions test/threads.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -101,18 +101,9 @@ function run_with_affinity(cpus)
return readchomp(setcpuaffinity(`$(Base.julia_cmd()) $script`, cpus))
end

# issue #34415 - make sure external affinity settings work
if Sys.islinux()
const SYS_rrcall_check_presence = 1008
global running_under_rr() = 0 == ccall(:syscall, Int,
(Int, Int, Int, Int, Int, Int, Int),
SYS_rrcall_check_presence, 0, 0, 0, 0, 0, 0)
else
global running_under_rr() = false
end
# Note also that libuv does not support affinity in macOS and it is known to
# hang in FreeBSD. So, it's tested only in Linux and Windows:
const AFFINITY_SUPPORTED = (Sys.islinux() || Sys.iswindows()) && !running_under_rr()
const AFFINITY_SUPPORTED = (Sys.islinux() || Sys.iswindows())

if AFFINITY_SUPPORTED
allowed_cpus = findall(uv_thread_getaffinity())
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