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#!/bin/sh
# Ensure that nproc prints a number > 0
# Copyright (C) 2009-2022 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ nproc
for mode in --all ''; do
procs=$(nproc $mode)
test "$procs" -gt 0 || fail=1
done
for i in -1000 0 1 1000; do
procs=$(OMP_NUM_THREADS=$i nproc)
test "$procs" -gt 0 || fail=1
done
for i in 0 ' 1' 1000; do
procs=$(nproc --ignore="$i")
test "$procs" -gt 0 || fail=1
done
for i in -1 N; do
returns_ 1 nproc --ignore=$i || fail=1
done
procs=$(OMP_NUM_THREADS=42 nproc --ignore=40)
test "$procs" -eq 2 || fail=1
Exit $fail
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