ddidderr/zstd-rs
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warn when requesting decompression with multiple threads

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restore #2918 fix
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Yann Collet committed 2025-03-10 22:50:00 -07:00
1 parent f9a6031963
commit c583c2c39e
3 files changed
+31 -11
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tests/cli-tests/compression/multi-threaded.sh
+10
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@@ -10,3 +10,13 @@ zstd -T0 -f file -q ; zstd -t file.zst
zstd -T0 --auto-threads=logical -f file -q ; zstd -t file.zst
zstd -T0 --auto-threads=physical -f file -q ; zstd -t file.zst
zstd -T0 --jobsize=1M -f file -q ; zstd -t file.zst
# multi-thread decompression warning test
zstd -T0 -f file -q ; zstd -t file.zst; zstd -T0 -d file.zst -o file3
zstd -T0 -f file -q ; zstd -t file.zst; zstd -T2 -d file.zst -o file4
# setting multi-thread via environment variable does not trigger decompression warning
zstd -T0 -f file -q ; zstd -t file.zst; ZSTD_NBTHREADS=0 zstd -df file.zst -o file3
zstd -T0 -f file -q ; zstd -t file.zst; ZSTD_NBTHREADS=2 zstd -df file.zst -o file4
# setting nbThreads==1 does not trigger decompression warning
zstd -T0 -f file -q ; zstd -t file.zst; zstd -T1 -df file.zst -o file3
zstd -T0 -f file -q ; zstd -t file.zst; zstd -T2 -T1 -df file.zst -o file4