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* support: Add support_mutex_pi_monotonicAdhemerval Zanella2021-10-013-0/+41
| | | | Returns true if Priority Inheritance support CLOCK_MONOTONIC.
* xsysconf: Only fail on error results and errno setStafford Horne2021-09-241-1/+1
| | | | | | | | | | | | | | | | When testing nptl/tst-pthread-attr-affinity-fail fails with: error: xsysconf.c:33: sysconf (83): Cannot allocate memory error: 1 test failures This happens as xsysconf checks the errno after running sysconf. Internally the sysconf request for _SC_NPROCESSORS_CONF on linux allocates memory. But there is a problem, even though malloc succeeds errno is getting set to ENOMEM. POSIX allows successful calls to clobber errno. So xsysconf just checking errno is wrong. Fix xsysconf by only failing if we have an error result and errno is set.
* time: Fix compile error in itimer test affecting hurdStafford Horne2021-09-161-0/+12
| | | | | | | | | | | | | | | | | | | | | The recent change to use __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64 to avoid doing 64-bit checks on some platforms broke the test for hurd where __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64 is not defined. With error: tst-itimer.c: In function 'do_test': tst-itimer.c:103:11: error: '__KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64' undeclared (first use in this function) 103 | if (__KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ tst-itimer.c:103:11: note: each undeclared identifier is reported only once for each function it appears in Define a support helper to detect when setitimer and getitimer support 64-bit time_t. Fixes commit 6e8a0aac2f ("time: Fix overflow itimer tests on 32-bit systems"). Cc: Adhemerval Zanella <adhemerval.zanella@linaro.org> Cc: Joseph Myers <joseph@codesourcery.com>
* support: Add support_wait_for_thread_exitFlorian Weimer2021-08-303-1/+78
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* support: Add support_open_dev_null_rangeAdhemerval Zanella2021-08-264-0/+299
| | | | | | | | | 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.
* copy_and_spawn_sgid: Avoid double calls to close()Siddhesh Poyarekar2021-08-031-0/+1
| | | | | | | If close() on infd and outfd succeeded, reset the fd numbers so that we don't attempt to close them again. Reviewed-by: Arjun Shankar <arjun@redhat.com>
* tests: use xmalloc to allocate implementation arraySiddhesh Poyarekar2021-07-281-7/+17
| | | | | | | | The benchmark and tests must fail in case of allocation failure in the implementation array. Also annotate the x* allocators in support.h so that the compiler has more information about them. Reviewed-by: Florian Weimer <fweimer@redhat.com>
* support: Replace _SC_MINSIGSTKSZ with _SC_SIGSTKSZH.J. Lu2021-07-111-2/+2
| | | | | | | | | | | Replace _SC_MINSIGSTKSZ with _SC_SIGSTKSZ since sysconf (_SC_MINSIGSTKSZ) returns the minimum number of bytes of free stack space required in order to guarantee successful, non-nested handling of a single signal whose handler is an empty function while sysconf (_SC_SIGSTKSZ) returns the suggested minimum number of bytes of stack space required for a signal stack. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* support: Replace MINSIGSTKSZ with sysconf (_SC_MINSIGSTKSZ)H.J. Lu2021-07-091-4/+5
| | | | | | | Replace MINSIGSTKSZ with sysconf (_SC_MINSIGSTKSZ) since the constant MINSIGSTKSZ used in glibc build may be too small. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* Define PTHREAD_STACK_MIN to sysconf(_SC_THREAD_STACK_MIN)H.J. Lu2021-07-091-0/+1
| | | | | | | | | | | | | The constant PTHREAD_STACK_MIN may be too small for some processors. Rename _SC_SIGSTKSZ_SOURCE to _DYNAMIC_STACK_SIZE_SOURCE. When _DYNAMIC_STACK_SIZE_SOURCE or _GNU_SOURCE are defined, define PTHREAD_STACK_MIN to sysconf(_SC_THREAD_STACK_MIN) which is changed to MIN (PTHREAD_STACK_MIN, sysconf(_SC_MINSIGSTKSZ)). Consolidate <bits/local_lim.h> with <bits/pthread_stack_min.h> to provide a constant target specific PTHREAD_STACK_MIN value. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* support: Add support_stack_allocAdhemerval Zanella2021-07-084-38/+107
| | | | | | | | | | | | 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.
* support: Fix xclone build failures on ia64 and hppaFlorian Weimer2021-06-251-4/+3
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* support: Add xcloneAdhemerval Zanella2021-06-243-0/+85
| | | | | | 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).
* support: Add support_create_timerAdhemerval Zanella2021-06-223-0/+81
| | | | | | | | 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>
* libsupport: Add 64-bit time_t support for stat functionsAdhemerval Zanella2021-06-155-0/+112
| | | | | | | | | 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>
* libsupport: Add 64-bit time_t support for time functionsAdhemerval Zanella2021-06-1511-19/+205
| | | | | | | | | | | 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>
* io: Fix sporadic test failures in io/tst-statFlorian Weimer2021-06-101-1/+2
| | | | | | | | support_stat_nanoseconds cannot restore the ctime time, and this may lead to sporadic test failures. Therefore, probe for nanoseconds support before the initial statx call. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* support: Do not build xpthread_attr_setaffinity_np for hurdAdhemerval Zanella2021-05-282-0/+4
| | | | It does not provide pthread_attr_setaffinity_np extension.
* support: Add xpthread_attr_setaffinity_np wrapperAdhemerval Zanella2021-05-273-0/+32
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* support: Free gdb_script_nameSiddhesh Poyarekar2021-05-131-0/+1
| | | | Identified by static analysis.
* support: Close fds in copy_funcSiddhesh Poyarekar2021-05-131-8/+13
| | | | | copy_func may leave file descriptors open on error, so close them on function exit.
* libsupport: Add support_select_normalizes_timeoutAdhemerval Zanella2021-04-123-0/+34
| | | | It will be used on a select() test.
* libsupport: Add support_select_modifies_timeoutAdhemerval Zanella2021-04-123-0/+34
| | | | It will be used on a select() test.
* support: Add capability to fork an sgid childSiddhesh Poyarekar2021-04-124-0/+150
| | | | | | | | | | | | | | | | | | | | Add a new function support_capture_subprogram_self_sgid that spawns an sgid child of the running program with its own image and returns the exit code of the child process. This functionality is used by at least three tests in the testsuite at the moment, so it makes sense to consolidate. There is also a new function support_subprogram_wait which should provide simple system() like functionality that does not set up file actions. This is useful in cases where only the return code of the spawned subprocess is interesting. This patch also ports tst-secure-getenv to this new function. A subsequent patch will port other tests. This also brings an important change to tst-secure-getenv behaviour. Now instead of succeeding, the test fails as UNSUPPORTED if it is unable to spawn a setgid child, which is how it should have been in the first place. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* support: Fix hurd build after bfddda2570331dAdhemerval Zanella2021-04-011-1/+1
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* io: Check at runtime if timestamp supports nanosecondsAdhemerval Zanella2021-03-312-8/+34
| | | | | | | | Now that non-LFS stat function is implemented on to on LFS, it will use statx when available. It allows to check for nanosecond timestamp if the kernel supports __NR_statx. Checked on s390-linux-gnu with 4.12.14 kernel.
* support: Add support_path_support_time64_valueAdhemerval Zanella2021-03-292-9/+12
| | | | It allows to check for support on arbitrary timestamp values.
* S390: Don't test nanoseconds in io/tst-stat.cStefan Liebler2021-03-263-0/+35
| | | | | | | | | | | 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>
* support: Use syscall function instead of INLINE_SYSCALL_CALLAdhemerval Zanella2021-03-181-1/+1
| | | | | It fixes the build on ARM in thumb mode that requires an out of the line helper (__libc_do_syscall) to issue the syscall.
* support: Pass environ to child processSiddhesh Poyarekar2021-03-161-1/+1
| | | | | Pass environ to posix_spawn so that the child process can inherit environment of the test.
* support: Typo and formatting fixesSiddhesh Poyarekar2021-03-152-4/+4
| | | | | - Add a newline to the end of error messages in transfer(). - Fixed the name of support_subprocess_init().
* support: Add xpthread_killAdhemerval Zanella2021-03-123-0/+29
| | | | Checked on x86_64-linux-gnu.
* io: Return UNSUPPORTED if filesystem do not support 64 bit timestampsAdhemerval Zanella2021-03-123-0/+82
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* test-container: Always copy test-specific support files [BZ #27537]DJ Delorie2021-03-111-11/+12
| | | | | | | | | | | There's a small chance that a fresh checkout will result in some of the test-specific container files will have the same timestamp and size, which breaks the rsync logic in test-container, resulting in tests running with the wrong support files. This patch changes the rsync logic to always copy the test-specific files, which normally would always be copied anyway. The rsync logic for the testroot itself is unchanged.
* support: Provide xclock_settime test helper functionLukasz Majewski2021-03-083-0/+40
| | | | | | | | | | | | 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>
* elf: Fix tests that rely on ld.so.cache for cross-compilingAdhemerval Zanella2021-01-291-0/+26
| | | | | | | | | | | | | | | | For configurations with cross-compiling equal to 'maybe' or 'no', ldconfig will not run and thus the ld.so.cache will not be created on the container testroot.pristine. This lead to failures on both tst-glibc-hwcaps-prepend-cache and tst-ldconfig-ld_so_conf-update on environments where the same compiler can be used to build different ABIs (powerpc and x86 for instance). This patch addas a new test-container hook, ldconfig.run, that triggers a ldconfig execution prior the test execution. Checked on x86_64-linux-gnu and i686-linux-gnu.
* posix: Fix return value of system if shell can not be executed [BZ #27053]Adhemerval Zanella2021-01-111-0/+1
| | | | | | | | 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 5fb7fc96350575. Checked on x86_64-linux-gnu.
* support: Add xchmod wrapperAdhemerval Zanella2021-01-112-0/+31
| | | | Checked on x86_64-linux-gnu.
* Add xfchmod to libsupportAlexandra Hájková2021-01-103-0/+30
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* Add xchdir to libsupport.Alexandra Hájková2021-01-093-0/+30
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* support: Add support_small_thread_stack_sizeAdhemerval Zanella2021-01-052-3/+11
| | | | | It returns the minimum stack size large enough to cover most internal glibc stack usage.
* Update copyright dates with scripts/update-copyrightsPaul Eggert2021-01-02205-205/+205
| | | | | | | | | | | | | | | | 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
* support: Make support_process_state_wait wait lessSamuel Thibault2020-12-281-1/+1
| | | | | | | Tests such as posix/tst-waitid.c make heavy use of support_process_state_wait, and thus on non-Linux where it falls back to sleeping, a 2s sleep makes such test time out, while 1s remains fine enough.
* support: Add support_slibdir_prefix variableFlorian Weimer2020-12-113-0/+10
| | | | Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* support: Add support_copy_fileFlorian Weimer2020-11-263-0/+49
| | | | Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* support: Add create_temp_file_in_dirAdhemerval Zanella2020-10-162-4/+15
| | | | It allows created a temporary file in a specified directory.
* support: Provide a way to clear the RA bit in DNS server responsesFlorian Weimer2020-10-142-1/+7
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* support: Provide a way to reorder responses within the DNS test serverFlorian Weimer2020-10-145-28/+135
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* Correct timespec implementation [BZ #26232]H.J. Lu2020-07-144-54/+71
| | | | | | | | | | | | | | | | | | | | | | | | commit 04deeaa9ea74b0679dfc9d9155a37b6425f19a9f Author: Lucas A. M. Magalhaes <lamm@linux.ibm.com> Date: Fri Jul 10 19:41:06 2020 -0300 Fix time/tst-cpuclock1 intermitent failures has 2 issues: 1. It assumes time_t == long which is false on x32. 2. tst-timespec.c is compiled without -fexcess-precision=standard which generates incorrect results on i686 in support_timespec_check_in_range: double ratio = (double)observed_norm / expected_norm; return (lower_bound <= ratio && ratio <= upper_bound); This patch does 1. Compile tst-timespec.c with -fexcess-precision=standard. 2. Replace long with time_t. 3. Replace LONG_MIN and LONG_MAX with TYPE_MINIMUM (time_t) and TYPE_MAXIMUM (time_t).
* Fix time/tst-cpuclock1 intermitent failuresLucas A. M. Magalhaes2020-07-104-0/+393
| | | | | | | | | | | | | | This test fails intermittently in systems with heavy load as CLOCK_PROCESS_CPUTIME_ID is subject to scheduler pressure. Thus the test boundaries were relaxed to keep it from failing on such systems. A refactor of the spent time checking was made with some support functions. With the advantage to representing time jitter in percent of the target. The values used by the test boundaries are all empirical. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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