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Run "make update-copyright" and then...
* gnulib: Update to latest with copyright year adjusted.
* tests/init.sh: Sync with gnulib to pick up copyright year.
* bootstrap: Likewise.
* tests/sample-test: Adjust to use the single most recent year.
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* tests/dd/no-allocate.sh: Account for timeout(1) when
determining the required mem, as timeout has additional shared libs.
This avoids the need for the hardcoded 4M addition to the limit.
* tests/misc/head-c.sh: Increase the base limit, to account for
the fact that head(1) will allocate some additional mem in this case.
* tests/misc/cut-huge-range.sh: Remove mention of specific limits.
* tests/misc/printf-surprise.sh: Likewise.
Reported by Dmitry V. Levin
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When configured with either 'symlinks' or 'shebangs' as value for
the --enable-single-binary option, tests based on `ulimit -v` are
skipped. The reason is that the multicall 'coreutils' binary requires
much more memory due to shared libraries being loaded, and the size of
the 'date' binary (~290KiB) compared to the multicall binary (~5MiB),
of course. Finally, in the case of 'shebangs', the starting shell
requires more memory, too
Instead of using hard-coded values for the memory limit, use an
adaptive approach: first determine the amount of memory for a similar,
yet more trivial invocation of the command, and then do the real test
run using that limit (plus some buffer in some cases).
* init.cfg (require_ulimit_v_): Remove function.
(get_min_ulimit_v_): Add function to determine the minimum memory limit
required for a given command in an adaptive way.
* cfg.mk (sc_prohibit_test_ulimit_without_require_): Change the name
of the above function in the syntax-check rule.
* tests/cp/link-heap.sh: Use the above function to determine the
minimum memory required to run a command simpler than in the real test
run. Use that limit plus a buffer there. While at it, change to list
of commands in the subshell to fail also if the beginning `ulimit -v`
fails.
* tests/dd/no-allocate.sh: Likewise.
* tests/misc/csplit-heap.sh: Likewise.
* tests/misc/cut-huge-range.sh: Likewise.
* tests/misc/head-c.sh: Likewise.
* tests/misc/printf-surprise.sh: Likewise.
* tests/split/line-bytes.sh: Likewise.
* tests/rm/many-dir-entries-vs-OOM.sh: Likewise - doing it separately
for each program under test.
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Run "make update-copyright" and then...
* tests/sample-test: Adjust to use the single most recent year.
* tests/du/bind-mount-dir-cycle-v2.sh: Fix case in copyright message,
so that year is updated automatically in future.
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Run "make update-copyright", but then also run this,
perl -pi -e 's/2\d\d\d-//' tests/sample-test
to make that one script use the single most recent year number.
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* test/dd/no-allocate.sh: Use 'wait' to ensure we don't have
multiple writers to the fifo, which was seen to trigger
a very hard to reproduce deadlock with make -j20 on solaris.
Also avoid writing to the fifo with the shell; instead using dd.
(check_dd_seek_alloc): A new function refactored from the various
cases, which are now constructed from function parameters.
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* init.cfg (require_ulimit_v_): Renamed from require_ulimit_
as this only checks for ulimit -v support. Other uses of
ulimit -t and ulimit -n in tests shouldn't cause false failures
if not supported.
* cfg.mk (sc_prohibit_test_ulimit_without_require_): A new syntax check
to ensure that require_ulimit_v_() is used iff required.
* tests/misc/head-c.sh: Add missing call to require_ulimit_v_.
* tests/rm/many-dir-entries-vs-OOM.sh: Likewise.
* tests/split/r-chunk.sh: Remove non mandatory require_ulimit_ call.
* tests/misc/sort-merge-fdlimit.sh: Likewise.
* tests/cp/link-heap.sh: Adjust to renamed require_ulimit_v_.
* tests/dd/no-allocate.sh: Likewise.
* tests/misc/csplit-heap.sh: Likewise.
* tests/misc/cut-huge-to-eol-range.sh: Likewise.
* tests/misc/printf-surprise.sh: Likewise.
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* src/dd.c: Add new static global variable ibuf.
(alloc_ibuf, alloc_obuf): New functions factored from dd_copy().
(dd_copy): Call the new functions to allocate memory for
ibuf and obuf when necessary.
(skip): Likewise.
* tests/dd/no-allocate.sh: New test.
* tests/local.mk: Reference the test.
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