Commit Graph

115 Commits

Author SHA1 Message Date
Florian Weimer
1251e9ea49 support: Add <support/readdir.h>
It allows to read directories using the six readdir variants
without writing type-specific code or using skeleton files
that are compiled four times.

The readdir_r subtest for support_readdir_expect_error revealed
bug 32124.

Reviewed-by: DJ Delorie <dj@redhat.com>
2024-09-12 09:40:45 +02:00
Florian Weimer
f169509ded support: Add FUSE-based file system test framework to support/
This allows to monitor the exact file system operations
performed by glibc and inject errors.

Hurd does not have <sys/mount.h>.  To get the sources to compile
at least, the same approach as in support/test-container.c is used.

Reviewed-by: DJ Delorie <dj@redhat.com>
2024-09-05 12:05:32 +02:00
Florian Weimer
3b1d321776 support: Add <support/xdirent.h>
Use static functions for readdir/readdir_r, so that
-D_FILE_OFFSET_BITS=64 does not improperly redirect calls to the wrong
implementation.

Reviewed-by: DJ Delorie <dj@redhat.com>
2024-09-05 12:05:32 +02:00
Joseph Myers
96d0bf98ca Add support/ code for checking file contents
For use in freopen tests, add various support/ helper interfaces for
use in checking file contents.

Tested for x86_64.
2024-09-03 13:53:01 +00:00
Florian Weimer
e7c14e542d support: Use macros for *stat wrappers
Macros will automatically use the correct types, without
having to fiddle with internal glibc macros.  It's also
impossible to get the types wrong due to aliasing because
support_check_stat_fd and support_check_stat_path do not
depend on the struct stat* types.

The changes reveal some inconsistencies in tests.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2024-08-16 16:05:20 +02:00
Florian Weimer
9216905129 support: Add the xstatx function
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2024-08-16 16:05:19 +02:00
Sergey Kolosov
6687a6e3f9 libsupport: Add xgetpeername
The patch adds redirections for getpeername.

Reviewed-by: Arjun Shankar <arjun@redhat.com>
2024-04-10 18:10:22 +02:00
Paul Eggert
dff8da6b3e Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
Adhemerval Zanella
ed318beab9 support: Add support_set_vma_name
Check if kernel supports prctl (PR_SET_VMA, PR_SET_VMA_ANON_NAME, ...).
Reviewed-by: DJ Delorie <dj@redhat.com>
2023-11-07 10:27:20 -03:00
John David Anglin
1d5024f4f0 support: Build with exceptions and asynchronous unwind tables [BZ #30587]
Changing tst-cleanup4.c to use xread instead of read caused
the nptl/tst-cleanupx4 test to fail.  The routines in libsupport.a
need to be built with exception handling and asynchronous unwind
table support.

v2: Use "CFLAGS-.oS" instead of "override CFLAGS".
2023-07-01 13:29:53 +00:00
Frédéric Bérat
8022fc7d51 tests: replace system by xsystem
With fortification enabled, system calls return result needs to be checked,
has it gets the __wur macro enabled.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
2023-06-19 09:15:05 -04:00
Frédéric Bérat
20b6b8e8a5 tests: replace read by xread
With fortification enabled, read calls return result needs to be checked,
has it gets the __wur macro enabled.

Note on read call removal from  sysdeps/pthread/tst-cancel20.c and
sysdeps/pthread/tst-cancel21.c:
It is assumed that this second read call was there to overcome the race
condition between pipe closure and thread cancellation that could happen
in the original code. Since this race condition got fixed by
d0e3ffb7a5 the second call seems
superfluous. Hence, instead of checking for the return value of read, it
looks reasonable to simply remove it.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
2023-06-19 09:14:56 -04:00
Frederic Berat
7ba426a111 tests: replace fgets by xfgets
With fortification enabled, fgets calls return result needs to be checked,
has it gets the __wur macro enabled.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
2023-06-13 19:59:08 -04:00
Frederic Berat
a84dcb4bdf tests: replace fread by xfread
With fortification enabled, fread calls return result needs to be checked,
has it gets the __wur macro enabled.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
2023-06-13 19:59:08 -04:00
Paul Pluzhnikov
7f0d9e61f4 Fix all the remaining misspellings -- BZ 25337 2023-06-02 01:39:48 +00:00
Carlos O'Donell
da55fae9e2 support: Reformat Makefile.
Add list end markers.
Sort text using scripts/sort-makefile-lines.py.

No code generation changes observed in non-test binary artifacts.
No regressions on x86_64 and i686.
2023-05-23 22:03:41 -04:00
Romain Geissler
57ce87a940 support: introduce support_sysconfdir_prefix
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2023-03-27 16:58:08 -03:00
Adam Yi
436a604b7d posix: Fix system blocks SIGCHLD erroneously [BZ #30163]
Fix bug that SIGCHLD is erroneously blocked forever in the following
scenario:

1. Thread A calls system but hasn't returned yet
2. Thread B calls another system but returns

SIGCHLD would be blocked forever in thread B after its system() returns,
even after the system() in thread A returns.

Although POSIX does not require, glibc system implementation aims to be
thread and cancellation safe. This bug was introduced in
5fb7fc9635 when we moved reverting signal
mask to happen when the last concurrently running system returns,
despite that signal mask is per thread. This commit reverts this logic
and adds a test.

Signed-off-by: Adam Yi <ayi@janestreet.com>
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2023-03-07 09:54:50 -03:00
Joseph Myers
dee2bea048 C2x scanf binary constant handling
C2x adds binary integer constants starting with 0b or 0B, and supports
those constants for the %i scanf format (in addition to the %b format,
which isn't yet implemented for scanf in glibc).  Implement that scanf
support for glibc.

As with the strtol support, this is incompatible with previous C
standard versions, in that such an input string starting with 0b or 0B
was previously required to be parsed as 0 (with the rest of the input
potentially matching subsequent parts of the scanf format string).
Thus this patch adds 12 new __isoc23_* functions per long double
format (12, 24 or 36 depending on how many long double formats the
glibc configuration supports), with appropriate header redirection
support (generally very closely following that for the __isoc99_*
scanf functions - note that __GLIBC_USE (DEPRECATED_SCANF) takes
precedence over __GLIBC_USE (C2X_STRTOL), so the case of GNU
extensions to C89 continues to get old-style GNU %a and does not get
this new feature).  The function names would remain as __isoc23_* even
if C2x ends up published in 2024 rather than 2023.

When scanf %b support is added, I think it will be appropriate for all
versions of scanf to follow C2x rules for inputs to the %b format
(given that there are no compatibility concerns for a new format).

Tested for x86_64 (full glibc testsuite).  The first version was also
tested for powerpc (32-bit) and powerpc64le (stdio-common/ and wcsmbs/
tests), and with build-many-glibcs.py.
2023-03-02 19:10:37 +00:00
Andreas Schwab
3bfdc4e2bc support: use 64-bit time_t (bug 30111)
Ensure to use 64-bit time_t in the test infrastructure.
2023-03-02 13:01:32 +01:00
Joseph Myers
6d7e8eda9b Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
Yu Chien Peter Lin
3bea50ccbc support: Add xpthread_cond_signal wrapper
Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2022-10-03 11:19:36 -03:00
Florian Weimer
e6e6184bed scripts: Enhance glibcpp to do basic macro processing
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
2022-09-22 12:10:41 +02:00
Adhemerval Zanella
e3fdbe9f39 support: Add xmkfifo
Wrapper support mkfifo.
2022-04-15 09:59:33 -03:00
DJ Delorie
2fe64148a8 Allow for unpriviledged nested containers
If the build itself is run in a container, we may not be able to
fully set up a nested container for test-container testing.
Notably is the mounting of /proc, since it's critical that it
be mounted from within the same PID namespace as its users, and
thus cannot be bind mounted from outside the container like other
mounts.

This patch defaults to using the parent's PID namespace instead of
creating a new one, as this is more likely to be allowed.

If the test needs an isolated PID namespace, it should add the "pidns"
command to its init script.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2022-04-04 14:17:08 -04:00
Adhemerval Zanella
38bc0f4e78 support: Add support_socket_so_timestamp_time64
Check if the socket support 64-bit network packages timestamps
(SO_TIMESTAMP and SO_TIMESTAMPNS).  This will be used on recvmsg
and recvmmsg tests to check if the timestamp should be generated.

Reviewed-by: Florian Weimer <fweimer@redhat.com>
2022-01-28 17:46:43 -03:00
Adhemerval Zanella
5bd83aa836 Revert "support: Add support_socket_so_timestamp_time64"
This reverts commit a4cf12360f.
2022-01-12 10:35:02 -03:00
Adhemerval Zanella
a4cf12360f support: Add support_socket_so_timestamp_time64
Check if the socket support 64-bit network packages timestamps
(SO_TIMESTAMP and SO_TIMESTAMPNS).  This will be used on recvmsg
and recvmmsg tests to check if the timestamp should be generated.
2022-01-12 10:30:10 -03:00
Paul Eggert
581c785bf3 Update copyright dates with scripts/update-copyrights
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 7061 files FOO.

I then removed trailing white space from math/tgmath.h,
support/tst-support-open-dev-null-range.c, and
sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following
obscure pre-commit check failure diagnostics from Savannah.  I don't
know why I run into these diagnostics whereas others evidently do not.

remote: *** 912-#endif
remote: *** 913:
remote: *** 914-
remote: *** error: lines with trailing whitespace found
...
remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
2022-01-01 11:40:24 -08:00
Chung-Lin Tang
e6fd79f379 elf: Testing infrastructure for ld.so DSO sorting (BZ #17645)
This is the first of a 2-part patch set that fixes slow DSO sorting behavior in
the dynamic loader, as reported in BZ #17645. In order to facilitate such a
large modification to the dynamic loader, this first patch implements a testing
framework for validating shared object sorting behavior, to enable comparison
between old/new sorting algorithms, and any later enhancements.

This testing infrastructure consists of a Python script
scripts/dso-ordering-test.py' which takes in a description language, consisting
of strings that describe a set of link dependency relations between DSOs, and
generates testcase programs and Makefile fragments to automatically test the
described situation, for example:

  a->b->c->d          # four objects linked one after another

  a->[bc]->d;b->c     # a depends on b and c, which both depend on d,
                      # b depends on c (b,c linked to object a in fixed order)

  a->b->c;{+a;%a;-a}  # a, b, c serially dependent, main program uses
                      # dlopen/dlsym/dlclose on object a

  a->b->c;{}!->[abc]  # a, b, c serially dependent; multiple tests generated
                      # to test all permutations of a, b, c ordering linked
                      # to main program

 (Above is just a short description of what the script can do, more
  documentation is in the script comments.)

Two files containing several new tests, elf/dso-sort-tests-[12].def are added,
including test scenarios for BZ #15311 and Redhat issue #1162810 [1].

Due to the nature of dynamic loader tests, where the sorting behavior and test
output occurs before/after main(), generating testcases to use
support/test-driver.c does not suffice to control meaningful timeout for ld.so.
Therefore a new utility program 'support/test-run-command', based on
test-driver.c/support_test_main.c has been added. This does the same testcase
control, but for a program specified through a command-line rather than at the
source code level. This utility is used to run the dynamic loader testcases
generated by dso-ordering-test.py.

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1162810

Signed-off-by: Chung-Lin Tang  <cltang@codesourcery.com>
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-10-21 11:23:53 -03:00
Joseph Myers
de82cb0da4 Add TEST_COMPARE_STRING_WIDE to support/check.h
I'd like to be able to test narrow and wide string interfaces, with
the narrow string tests using TEST_COMPARE_STRING and the wide string
tests using something analogous (possibly generated using macros from
a common test template for both the narrow and wide string tests where
appropriate).

Add such a TEST_COMPARE_STRING_WIDE, along with functions
support_quote_blob_wide and support_test_compare_string_wide that it
builds on.  Those functions are built using macros from common
templates shared by the narrow and wide string implementations, though
I didn't do that for the tests of test functions.  In
support_quote_blob_wide, I chose to use the \x{} delimited escape
sequence syntax proposed for C2X in N2785, rather than e.g. trying to
generate the end of a string and the start of a new string when
ambiguity would result from undelimited \x (when the next character
after such an escape sequence is valid hex) or forcing an escape
sequence to be used for the next character in the case of such
ambiguity.

Tested for x86_64.
2021-10-12 13:48:39 +00:00
Adhemerval Zanella
9cba3fa34b support: Add support_mutex_pi_monotonic
Returns true if Priority Inheritance support CLOCK_MONOTONIC.
2021-10-01 10:11:08 -03:00
Florian Weimer
032d74eaf6 support: Add support_wait_for_thread_exit 2021-08-30 13:43:56 +02:00
Adhemerval Zanella
e814f4b04e support: Add support_open_dev_null_range
It returns a range of file descriptor referring to the '/dev/null'
pathname.  The function takes care of restarting the open range
if a file descriptor is found within the specified range and
also increases RLIMIT_NOFILE if required.

Checked on x86_64-linux-gnu.
2021-08-26 17:13:45 -03:00
Adhemerval Zanella
ae8c243d24 support: Add support_stack_alloc
The code to allocate a stack from xsigstack is refactored so it can
be more generic.  The new support_stack_alloc() also set PROT_EXEC
if DEFAULT_STACK_PERMS has PF_X.  This is required on some
 architectures (hppa for instance) and trying to access the rtld
global from testsuite will require more intrusive refactoring
in the ldsodefs.h header.

Checked on x86_64-linux-gnu and i686-linux-gnu.  I also ran
tst-xsigstack on both hppa and ia64.
2021-07-08 13:48:06 -03:00
Adhemerval Zanella
de8995a2a0 support: Add xclone
It is a wrapper for Linux clone syscall, to simplify the call to the
use only the most common arguments and remove architecture specific
handling (such as ia64 different name and signature).
2021-06-24 10:00:52 -03:00
Adhemerval Zanella
92f7b46510 support: Add support_create_timer
It is a simple wrapper over timer_create, timer_settime, and
sigaction.  It will be used to check for large timeout to trigger an
EINTR and to avoid use a large timeout (as for alarm()).

Reviewed-by: Lukasz Majewski <lukma@denx.de>
2021-06-22 12:09:52 -03:00
Adhemerval Zanella
372d2ef1f9 libsupport: Add 64-bit time_t support for stat functions
The patch adds redirections for xstat, xlstat, and xfstat when
_TIME_BITS=64 is defined.

Reviewed-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-06-15 10:42:11 -03:00
Adhemerval Zanella
e9bc2b3b38 libsupport: Add 64-bit time_t support for time functions
The patch adds redirections for xclock_gettime, xclock_settime,
timespec_add, timespec_sub, test_timespec_before_impl,
test_timespec_equal_or_after_impl, support_timespec_ns,
support_timespec_normalize, and support_timespec_check_in_range when
_TIME_BITS=64 is defined.

Co-authored-by: Lukasz Majewski <lukma@denx.de>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-06-15 10:42:11 -03:00
Adhemerval Zanella
d85ad0e58a support: Add xpthread_attr_setaffinity_np wrapper 2021-05-27 13:12:07 -03:00
Adhemerval Zanella
49a40ba18e libsupport: Add support_select_normalizes_timeout
It will be used on a select() test.
2021-04-12 18:38:37 -03:00
Adhemerval Zanella
5628f103f5 libsupport: Add support_select_modifies_timeout
It will be used on a select() test.
2021-04-12 18:38:37 -03:00
Stefan Liebler
1966f47a1e S390: Don't test nanoseconds in io/tst-stat.c
Both new tests io/tst-stat and io/tst-stat-lfs (_FILE_OFFSET_BITS=64)
are comparing the nanosecond fields with the statx result.  Unfortunately
on s390(31bit) those fields are always zero if old KABI with non-LFS
support is used.  With _FILE_OFFSET_BITS=64 stat is using statx internally.

As suggested by Adhemerval this patch disables the nanosecond check for
s390(31bit).
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-03-26 10:21:13 +01:00
Adhemerval Zanella
0280b390fb support: Add xpthread_kill
Checked on x86_64-linux-gnu.
2021-03-12 10:20:18 -03:00
Adhemerval Zanella
b2970919ba io: Return UNSUPPORTED if filesystem do not support 64 bit timestamps
Some Linux filesystems might not fully support 64 bit timestamps [1],
which make some Linux specific tests to fail when they check for the
functionality.

This patch adds a new libsupport function, support_path_support_time64,
that returns whether the target file supports or not 64 bit timestamps.
The support is checked by issuing a utimensat and verifying both the
last access and last modification time against a statx call.

The tests that might fail are also adjusted to check the file support
as well:

  $ dd if=/dev/zero of=loopbackfile.img bs=100M count=1
  1+0 records in
  1+0 records out
  104857600 bytes (105 MB, 100 MiB) copied, 0,0589568 s, 1,8 GB/s
  $ sudo losetup -fP loopbackfile.img
  $ mkfs.xfs loopbackfile.img
  meta-data=loopbackfile.img       isize=512    agcount=4, agsize=6400 blks
           =                       sectsz=512   attr=2, projid32bit=1
           =                       crc=1        finobt=1, sparse=1, rmapbt=0
           =                       reflink=1
  data     =                       bsize=4096   blocks=25600, imaxpct=25
           =                       sunit=0      swidth=0 blks
  naming   =version 2              bsize=4096   ascii-ci=0, ftype=1
  log      =internal log           bsize=4096   blocks=1368, version=2
           =                       sectsz=512   sunit=0 blks, lazy-count=1
  realtime =none                   extsz=4096   blocks=0, rtextents=0
  $ mkdir loopfs
  $ sudo mount -o loop /dev/loop0 loopfs/
  $ sudo chown -R azanella:azanella loopfs
  $ TMPDIR=loopfs/ ./testrun.sh misc/tst-utimes
  error: ../sysdeps/unix/sysv/linux/tst-utimes.c:55: File loopfs//utimesfECsK1 does not support 64-bit timestamps

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1795576
2021-03-12 10:17:31 -03:00
Lukasz Majewski
a156555007 support: Provide xclock_settime test helper function
The xclock_settime is a wrapper function on the clock_settime syscall
to be used in the test code.

It checks if the GLIBC_TEST_ALLOW_TIME_SETTING env variable is defined
in the environment in which test is executed. If it is not - the test
ends as unsupported. Otherwise, the clock-settime is executed and return
value is assessed.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-03-08 22:41:28 +01:00
Adhemerval Zanella
42dda89dcb posix: Fix return value of system if shell can not be executed [BZ #27053]
POSIX states that system returned code for failure to execute the shell
shall be as if the shell had terminated using _exit(127).  This
behaviour was removed with 5fb7fc9635.

Checked on x86_64-linux-gnu.
2021-01-11 12:26:58 -03:00
Alexandra Hájková
7a72265436 Add xfchmod to libsupport 2021-01-10 18:55:47 +01:00
Alexandra Hájková
a7e9dbb774 Add xchdir to libsupport. 2021-01-09 17:47:50 +01:00
Paul Eggert
2b778ceb40 Update copyright dates with scripts/update-copyrights
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
2021-01-02 12:17:34 -08:00