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We stopped adding "Contributed by" or similar lines in sources in 2012
in favour of git logs and keeping the Contributors section of the
glibc manual up to date. Removing these lines makes the license
header a bit more consistent across files and also removes the
possibility of error in attribution when license blocks or files are
copied across since the contributed-by lines don't actually reflect
reality in those cases.
Move all "Contributed by" and similar lines (Written by, Test by,
etc.) into a new file CONTRIBUTED-BY to retain record of these
contributions. These contributors are also mentioned in
manual/contrib.texi, so we just maintain this additional record as a
courtesy to the earlier developers.
The following scripts were used to filter a list of files to edit in
place and to clean up the CONTRIBUTED-BY file respectively. These
were not added to the glibc sources because they're not expected to be
of any use in future given that this is a one time task:
https://gist.github.com/siddhesh/b5ecac94eabfd72ed2916d6d8157e7dc
https://gist.github.com/siddhesh/15ea1f5e435ace9774f485030695ee02
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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I used these shell commands:
../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")
and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 6694 files FOO.
I then removed trailing white space from benchtests/bench-pthread-locks.c
and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this
diagnostic from Savannah:
remote: *** pre-commit check failed ...
remote: *** error: lines with trailing whitespace found
remote: error: hook declined to update refs/heads/master
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Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
$(find $(git ls-files) -prune -type f \
! -name '*.po' \
! -name 'ChangeLog*' \
! -path COPYING ! -path COPYING.LIB \
! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
! -path manual/texinfo.tex ! -path scripts/config.guess \
! -path scripts/config.sub ! -path scripts/install-sh \
! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
! -path INSTALL ! -path locale/programs/charmap-kw.h \
! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
! '(' -name configure \
-execdir test -f configure.ac -o -f configure.in ';' ')' \
! '(' -name preconfigure \
-execdir test -f preconfigure.ac ';' ')' \
-print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
chmod a+x sysdeps/unix/sysv/linux/riscv/configure
# Omit irrelevant whitespace and comment-only changes,
# perhaps from a slightly-different Autoconf version.
git checkout -f \
sysdeps/csky/configure \
sysdeps/hppa/configure \
sysdeps/riscv/configure \
sysdeps/unix/sysv/linux/csky/configure
# Omit changes that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
git checkout -f \
sysdeps/powerpc/powerpc64/ppc-mcount.S \
sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
# Omit change that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
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From time to time I get fails in tst-spawn like:
tst-spawn.c:111: numeric comparison failure
left: 0 (0x0); from: xlseek (fd2, 0, SEEK_CUR)
right: 28 (0x1c); from: strlen (fd2string)
error: 1 test failures
tst-spawn.c:252: numeric comparison failure
left: 1 (0x1); from: WEXITSTATUS (status)
right: 0 (0x0); from: 0
error: 1 test failures
It turned out, that a child process is testing it's open file descriptors
with e.g. a sequence of testing the current position, setting the position
to zero and reading a specific amount of bytes.
Unfortunately starting with commit 2a69f853c03034c2e383e0f9c35b5402ce8b5473
the test is spawning a second child process which is sharing some of the
file descriptors. If the test sequence as mentioned above is running in parallel
it leads to test failures.
As the second call of posix_spawn shall test a NULL pid argument,
this patch is just moving the waitpid of the first child
before the posix_spawn of the second child.
ChangeLog:
* posix/tst-spawn do_test(): Move waitpid before posix_spawn.
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Checked on powerpc64le-linux-gnu.
* posix/tst-spawn.c (do_test): Extend spargv to new required size and
fix typo.
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Austin Group issue #411 [1] proposes that posix_spawn file action
posix_spawn_file_actions_adddup2 resets the close-on-exec when
source and destination refer to same file descriptor.
It solves the issue on multi-thread applications which uses
close-on-exec as default, and want to hand-chose specifically
file descriptor to purposefully inherited into a child process.
Current approach to achieve this scenario is to use two adddup2 file
actions and a temporary file description which do not conflict with
any other, coupled with a close file action to avoid leaking the
temporary file descriptor. This approach, besides being complex,
may fail with EMFILE/ENFILE file descriptor exaustion.
This can be more easily accomplished with an in-place removal of
FD_CLOEXEC. Although the resulting adddup2 semantic is slight
different than dup2 (equal file descriptors should be handled as
no-op), the proposed possible solution are either more complex
(fcntl action which a limited set of operations) or results in
unrequired operations (dup3 which also returns EINVAL for same
file descriptor).
Checked on aarch64-linux-gnu.
[BZ #23640]
* posix/tst-spawn.c (do_prepare, handle_restart, do_test): Add
posix_spawn_file_actions_adddup2 test to check O_CLOCEXEC reset.
* sysdeps/unix/sysv/linux/spawni.c (__spawni_child): Add
close-on-exec reset for adddup2 file action.
* sysdeps/posix/spawni.c (__spawni_child): Likewise.
[1] http://austingroupbugs.net/view.php?id=411
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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No function changes is done. Checked on x86_64-linux-gnu.
* posix/tst-spawn.c (do_prepare, handle_restart, do_test):
Use libsupport.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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The test spawns two children but only waited for one.
The fix avoids printing to stderr.
* posix/tst-spawn.c (do_test): Wait for both children.
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Otherwise, another user might recreate these files after the first
deletion. Particularly with temporary directories, this could result
in the removal of unintended files through symbol link attacks.
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[BZ #19670]
[BZ #19672]
* io/test-lfs.c (do_prepare): Use xmalloc.
* io/tst-fcntl.c (do_prepare): Likewise.
* libio/tst-fopenloc.c (do_bz17916): Likewise.
* libio/tst-mmap2-eofsync.c (do_prepare): Likewise.
* posix/tst-exec.c (do_prepare): Likewise.
* posix/tst-pathconf.c (prepare): Likewise.
* posix/tst-spawn.c (do_prepare): Likewise.
* posix/tst-truncate.c (do_prepare): Likewise.
* rt/tst-aio.c (do_prepare): Likewise.
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Current Linux posix_spawn spawn do not test if the pid argument is
valid before trying to update it for success case. This patch fixes
it.
Tested on x86_64 and i686.
* sysdeps/unix/sysv/linux/spawni.c (__spawnix): Fix invalid memory
access where posix_spawn success and pid argument is null.
* posix/tst-spawn.c (do_test): Add posix_spawn null pid argument for
success case.
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POSIX requires that we make a copy, so we allocate a new string
and free it in posix_spawn_file_actions_destroy.
Reported by David Reid, Alex Gaynor, and Glyph Lefkowitz. This bug
may have security implications.
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2006-09-12 Jakub Jelinek <jakub@redhat.com>
[BZ #2526]
* README.libm: Fix a thinko in sqrt algorithm description.
[BZ #3143]
* manual/string.texi (argz_delete): Fix prototype.
Patch by <alpt@freaknet.org>.
2006-08-26 Joseph Myers <joseph@codesourcery.com>
[BZ #3138]
* io/test-lfs.c (do_prepare): Give name_len type size_t.
* io/tst-fcntl.c (do_prepare): Likewise.
* posix/tst-exec.c (do_prepare): Likewise.
* posix/tst-preadwrite.c (do_prepare): Likewise.
* posix/tst-spawn.c (do_prepare): Likewise.
* posix/tst-truncate.c (do_prepare): Likewise.
* rt/tst-aio.c (do_prepare): Likewise.
* rt/tst-aio64.c (do_prepare): Likewise.
* stdlib/test-canon2.c (do_prepare): Give test_dir_len type
size_t.
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2001-07-06 Paul Eggert <eggert@twinsun.com>
* manual/argp.texi: Remove ignored LGPL copyright notice; it's
not appropriate for documentation anyway.
* manual/libc-texinfo.sh: "Library General Public License" ->
"Lesser General Public License".
2001-07-06 Andreas Jaeger <aj@suse.de>
* All files under GPL/LGPL version 2: Place under LGPL version
2.1.
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2000-10-26 Ulrich Drepper <drepper@redhat.com>
* posix/Makefile (tests): Add tst-chmod.
(tst-chmod-ARGS): Define.
* posix/tst-chmod.c: New file.
* test-skeleton.c: Before calling user-defined function remove
parameters from argument list.
* posix/tst-exec.c: Adjust to this change.
* posix/tst-spawn.c: Likewise.
* sysdeps/unix/opendir.c (__opendir): Optimize a bit. Add
__builtin_expect.
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2000-05-29 Ulrich Drepper <drepper@redhat.com>
* posix/Makefile (tests): Add tst-spawn.
(tst-spawn-ARGS): New variable.
* posix/tst-spawn.c: New file.
* posix/spawn_faction_addclose.c: Correctly account for new entry.
* posix/spawn_faction_adddup2.c: Likewise.
* posix/spawn_faction_addopen.c: Likewise.
* posix/spawni.c: Correctly test for success of dup2 calls.
* posix/tst-preadwrite.c: Check success of malloc call.
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