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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>
* string: Add strerror, strerror_r, and strerror_l testAdhemerval Zanella2020-07-074-0/+67
| | | | | | | | Checked on x86-64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu, and s390x-linux-gnu. Tested-by: Carlos O'Donell <carlos@redhat.com> Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* support: Fix detecting hole support on >2KB-block filesystemsSamuel Thibault2020-06-041-2/+4
| | | | | | | | | | | | | When detecting hole support, we write at 16MiB, and filesystems will typically need two levels of data to record that. On filesystems with 8KB block, the two indirection blocks will require a total of 16KB overhead, thus 32 512-byte sectors. Spotted on GNU/Hurd with a 4KB blocks filesystem, but also happens on Linux with 4KB or 8KB blocks filesystems. * support/support_descriptor_supports_holes.c (support_descriptor_supports_holes): Set block_headroom to 32.
* build: Use FAIL_EXIT1 () on failure to exec child [BZ #23990]Girish Joshi2020-05-291-1/+1
| | | | Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* support: Add support_blob_repeat_allocate_sharedFlorian Weimer2020-05-123-20/+68
| | | | Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* support: Set errno before testing it.Carlos O'Donell2020-04-302-1/+5
| | | | | | | | | | | | In test-conainer we should set errno to 0 before calling strtol, and check after with TEST_COMPARE. In tst-support_capture_subprocess we should set errno to 0 before checking it after the call to strtol. Tested on x86_64. Reviewed-by: DJ Delorie <dj@redhat.com>
* test-container: Support $(complocaledir) and mkdirp.Carlos O'Donell2020-04-301-3/+39
| | | | | | | | | | | | | | | | | | | | | | | Expand the support infrastructure: - Create $(complocaledir) in the testroot.pristine to support localedef. - Add the variable $complocaledir to script support. - Add the script command 'mkdirp'. All localedef tests which run with default paths need to have the $(complocaledir) created in testroot.pristine. The localedef binary will not by itself create the default path, but it will write into the path. By adding this we can simplify the localedef tests. The variable $complocaledir is the value of the configured $(complocaledir) which is the location of the compiled locales that will be searched by the runtime by default. The command mkdirp will be available in script setup and will be equivalent to running `mkdir -p`. The variable and command can be used to write more complex tests. Reviewed-by: DJ Delorie <dj@redhat.com>
* support: Implement <support/xthread.h> key create/deleteMathieu Desnoyers2020-04-274-0/+56
| | | | | Expose xpthread_key_create and xpthread_key_delete wrappers for tests.
* localedef: Add verbose messages for failure paths.Carlos O'Donell2020-04-263-1/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | During testing of localedef running in a minimal container there were several error cases which were hard to diagnose since they appeared as strerror (errno) values printed by the higher level functions. This change adds three new verbose messages for potential failure paths. The new messages give the user the opportunity to use -v and display additional information about why localedef might be failing. I found these messages useful myself while writing a localedef container test for --no-hard-links. Since the changes cleanup the code that handle codeset normalization we add tst-localedef-path-norm which contains many sub-tests to verify the correct expected normalization of codeset strings both when installing to default paths (the only time normalization is enabled) and installing to absolute paths. During the refactoring I created at least one buffer-overflow which valgrind caught, but these tests did not catch because the exec in the container had a very clean heap with zero-initialized memory. However, between valgrind and the tests the results are clean. The new tst-localedef-path-norm passes without regression on x86_64. Change-Id: I28b9f680711ff00252a2cb15625b774cc58ecb9d
* support: Change xgetline to return 0 on EOFFlorian Weimer2020-04-033-10/+19
| | | | | | | | | | | | | | | The advantage is that the buffer will always contain the number of characters as returned from the function, which allows one to use a sequence like /* No more audit module output. */ line_length = xgetline (&buffer, &buffer_length, fp); TEST_COMPARE_BLOB ("", 0, buffer, line_length); to check for an expected EOF, while also reporting any unexpected extra data encountered. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* support/shell-container.c: Add builtin killAdhemerval Zanella2020-03-251-0/+25
| | | | | | No options supported. Reviewed-by: DJ Delorie <dj@redhat.com>
* support/shell-container.c: Add builtin exitAdhemerval Zanella2020-03-251-0/+13
| | | | Reviewed-by: DJ Delorie <dj@redhat.com>
* support/shell-container.c: Return 127 if execve failsAdhemerval Zanella2020-03-251-1/+1
| | | | Reviewed-by: DJ Delorie <dj@redhat.com>
* test-container: print errno when execvp failsMichael Hudson-Doyle2020-03-111-1/+1
| | | | | | | I'm debugging a situation where lots of tests using test-container fail and it's possible knowing errno would help understand why. Reviewed-by: DJ Delorie <dj@redhat.com>
* Fixed typo in run_command_array() in support/shell-container.cGirish Joshi2020-03-021-1/+1
| | | | https://sourceware.org/bugzilla/show_bug.cgi?id=23991
* support: Add support_process_state_waitAdhemerval Zanella2020-02-276-0/+278
| | | | | | | | | | | | | | It allows parent process to wait for child state using a polling strategy over procfs on Linux. The polling is used over ptrace to avoid the need to handle signals on the target pid and to handle some system specific limitation (such as YAMA). The polling has some limitations, such as resource consumption due the procfs read in a loop and the lack of synchronization after the state is obtained. The interface idea is to simplify some sleep synchronization waitid tests and is to reduce timeouts by replacing arbitrary waits.
* support: Add the xlstat functionFlorian Weimer2020-02-093-0/+30
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* test-container: add exec, cwdDJ Delorie2020-02-031-13/+65
| | | | | | | | | | | | | | | | | | | | exec <path_to_test_binary> [optional_argv_0] copies test binary to specified location and runs it from there. If the second argument is provided, that will be used for argv[0] cwd <directory> attempts to chdir(directory) before running test Note: "cwd" not "cd" as it takes effect just before the test binary runs, not when it's encountered in the script, so it can't be used as a path shortcut like "cd" would imply. cleanup: use xstrdup() instead of strdup() Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* Update copyright dates with scripts/update-copyrights.Joseph Myers2020-01-01192-192/+192
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* resolv: Implement trust-ad option for /etc/resolv.conf [BZ #20358]Florian Weimer2019-11-272-0/+5
| | | | | | | | | | | | | | | | | This introduces a concept of trusted name servers, for which the AD bit is passed through to applications. For untrusted name servers (the default), the AD bit in responses are cleared, to provide a safe default. This approach is very similar to the one suggested by Pavel Šimerda in <https://bugzilla.redhat.com/show_bug.cgi?id=1164339#c15>. The DNS test framework in support/ is enhanced with support for setting the AD bit in responses. Tested on x86_64-linux-gnu. Change-Id: Ibfe0f7c73ea221c35979842c5c3b6ed486495ccc
* support: Fix support_set_small_thread_stack_size to build on HurdFlorian Weimer2019-11-131-2/+7
| | | | | | | | | | PTHREAD_STACK_MIN comes from <limits.h>, so include it explicitly. However, it is not defined on Hurd, so compensate for that as well. Built on x86_64-linux-gnu, i686-linux-gnu, i686-gnu. Change-Id: Ifacc888ef86731c2639721b0932ae59583bd6b3e Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com>
* support: Add xsetlocale functionArjun Shankar2019-11-113-0/+32
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* support: Add support_set_small_thread_stack_sizeFlorian Weimer2019-11-114-0/+94
| | | | | | And support_small_stack_thread_attribute Change-Id: I1cf79a469984f8f30a4a947ee9ec2a5e74de8926
* Sync timespec-{add,sub} with gnulibAdhemerval Zanella2019-10-312-26/+14
| | | | | | It sync with gnulib commit 06011ed74e978613422aca43c0bd92dc44213933. Reviewed-by: Paul Eggert <eggert@cs.ucla.edu>
* Change most internal uses of __gettimeofday to __clock_gettime.Zack Weinberg2019-10-301-12/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since gettimeofday will shortly be implemented in terms of clock_gettime on all platforms, internal code should use clock_gettime directly; in addition to removing a layer of indirection, this will allow us to remove the PLT-bypass gunk for gettimeofday. (We can't quite do that yet, but it'll be coming later in this patch series.) In many cases, the changed code does fewer conversions. The changed code always assumes __clock_gettime (CLOCK_REALTIME) cannot fail. Most of the call sites were assuming gettimeofday could not fail, but a few places were checking for errors. POSIX says clock_gettime can only fail if the clock constant is invalid or unsupported, and CLOCK_REALTIME is the one and only clock constant that's required to be supported. For consistency I grepped the entire source tree for any other places that checked for errors from __clock_gettime (CLOCK_REALTIME), found one, and changed it too. (For the record, POSIX also says gettimeofday can never fail.) (It would be nice if we could declare that GNU systems will always support CLOCK_MONOTONIC as well as CLOCK_REALTIME; there are several places where we are using CLOCK_REALTIME where _MONOTONIC would be more appropriate, and/or trying to use _MONOTONIC and then falling back to _REALTIME. But the Hurd doesn't support CLOCK_MONOTONIC yet, and it looks like adding it would involve substantial changes to gnumach's internals and API. Oh well.) A few Hurd-specific files were changed to use __host_get_time instead of __clock_gettime, as this seemed tidier. We also assume this cannot fail. Skimming the code in gnumach leads me to believe the only way it could fail is if __mach_host_self also failed, and our Hurd-specific code consistently assumes that can't happen, so I'm going with that. With the exception of support/support_test_main.c, test cases are not modified, mainly because I didn't want to have to figure out which test cases were testing gettimeofday specifically. The definition of GETTIME in sysdeps/generic/memusage.h had a typo and was not reading tv_sec at all. I fixed this. It appears nobody has been generating malloc traces on a machine that doesn't have a superseding definition. There are a whole bunch of places where the code could be simplified by factoring out timespec subtraction and/or comparison logic, but I want to keep this patch as mechanical as possible. Checked on x86_64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu, powerpc64-linux-gnu, powerpc-linux-gnu, and aarch64-linux-gnu. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> Reviewed-by: Lukasz Majewski <lukma@denx.de>
* Add wait-for-debugger test harness hooksDJ Delorie2019-10-242-0/+75
| | | | | | | | If WAIT_FOR_DEBUGGER is set to a non-zero value in the environment, any test that runs will print some useful gdb information and wait for gdb to attach to it and clear the "wait_for_debugger" variable. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* Fix building support_ptrace.c on i686-gnu.Stefan Liebler2019-09-191-1/+0
| | | | | | | | | | | | | On i686-gnu the build is broken: In file included from support_ptrace.c:22: ../include/sys/prctl.h:2:15: fatal error: sys/prctl.h: No such file or directory #include_next <sys/prctl.h> This patch just removes the unused prctl.h inclusion. ChangeLog: * support/support_ptrace.c: Remove inclusion of sys/prctl.h.
* Add UNSUPPORTED check in elf/tst-pldd.Stefan Liebler2019-09-183-0/+77
| | | | | | | | | | | | | | | | | | | | | | | | | | The testcase forks a child process and runs pldd with PID of this child. On systems where /proc/sys/kernel/yama/ptrace_scope differs from zero, pldd will fail with /usr/bin/pldd: cannot attach to process 3: Operation not permitted This patch checks if ptrace_scope exists, is zero "classic ptrace permissions" or one "restricted ptrace". If ptrace_scope exists and has a higher restriction, then the test is marked as UNSUPPORTED. The case "restricted ptrace" is handled by rearranging the processes involved during the test. Now we have the following process tree: -parent: do_test (performs output checks) --subprocess 1: pldd_process (becomes pldd via execve) ---subprocess 2: target_process (ptraced via pldd) ChangeLog: * elf/tst-pldd.c (do_test): Add UNSUPPORTED check. Rearrange subprocesses. (pldd_process): New function. * support/Makefile (libsupport-routines): Add support_ptrace. * support/xptrace.h: New file. * support/support_ptrace.c: Likewise.
* Prefer https to http for gnu.org and fsf.org URLsPaul Eggert2019-09-07187-187/+187
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* support: Include <support/descriptors.h> in support_descriptors.cFlorian Weimer2019-08-141-0/+1
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* nss_db: fix endent wrt NULL mappings [BZ #24695] [BZ #24696]DJ Delorie2019-07-103-0/+39
| | | | | | | | | | | | | nss_db allows for getpwent et al to be called without a set*ent, but it only works once. After the last get*ent a set*ent is required to restart, because the end*ent did not properly reset the module. Resetting it to NULL allows for a proper restart. If the database doesn't exist, however, end*ent erroniously called munmap which set errno. The test case runs "makedb" inside the testroot, so needs selinux DSOs installed.
* support: Add xdlvsym functionFlorian Weimer2019-06-282-0/+21
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* support: Invent verbose_printf macroMike Crowe2019-06-211-0/+8
| | | | | | | Make it easier for tests to emit progress messages only when --verbose is specified. * support/test-driver.h: Add verbose_printf macro.
* support: Add xclock_now helper function.Mike Crowe2019-06-211-0/+10
| | | | | | | | | | | | | It's easier to read and write tests with: const struct timespec ts = xclock_now(CLOCK_REALTIME); than struct timespec ts; xclock_gettime(CLOCK_REALTIME, &ts); * support/xtime.h: Add xclock_now() helper function.
* support: Expose sbindir as support_sbindir_prefixFlorian Weimer2019-05-203-0/+10
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* support: Add missing EOL terminators on timespecMike Crowe2019-05-201-2/+2
| | | | | | | | | | | | | The original implementations of test_timespec_before_impl and test_timespec_equal_or_after in 519839965197291924895a3988804e325035beee were missing the backslash required for a newline. Checked on x86_64-linux-gnu. * support/timespec.c: Add backslash to correct newline in failure message. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* support: Correct confusing commentMike Crowe2019-05-201-2/+2
| | | | | | * support/timespec.h: Correct confusing comment. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* support: Report NULL blobs explicitly in TEST_COMPAREFlorian Weimer2019-05-161-1/+3
| | | | | | | Provide an explicit diagnostic if the length is positive, and do not just crash with a null pointer dereference. Null pointers are only valid if the length is zero, so this can only happen with a faulty test.
* support: Add support_install_rootsbindirAlexandra Hájková2019-05-153-1/+11
| | | | Reviewed by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* support: Export bindir path on support_pathAdhemerval Zanella2019-05-143-1/+11
| | | | | | | | | | Checked on x86_64-linux-gnu. * support/Makefile (CFLAGS-support_paths.c): Add -DBINDIR_PATH. * support/support.h (support_bindir_prefix): New variable. * support/support_paths.c [BINDIR_PATH] (support_bindir_prefix): Reviewed-by: DJ Delorie <dj@redhat.com>
* support: Fix timespec printfAdhemerval Zanella2019-05-101-10/+11
| | | | | | | | | | | | | | | | | The patch print timespec members as intmax_t instead of long int. It avoid the -Werror=format= build issue on x32: timespec.c: In function 'test_timespec_before_impl': timespec.c:32:23: error: format '%ld' expects argument of type 'long int', but argument 4 has type '__time_t' {aka 'const long long int'} [-Werror=format=] Checked on x86_64-linux-gnu-x32, x86_64-linux-gnu, and i686-linux-gnu. * support/timespec.c (test_timespec_before_impl, test_timespec_equal_or_after_impl): print timespec member as intmax_t insted of long int. Reviewed-by: Florian Weimer <fweimer@redhat.com>
* support: Add timespec.hMike Crowe2019-05-096-0/+287
| | | | | | | | | | | | | | | | | | It adds useful functions for tests that use struct timespec. Checked on x86_64-linux-gnu and i686-linux-gnu. * support/timespec.h: New file. Provide timespec helper functions along with macros in the style of those in check.h. * support/timespec.c: New file. Implement check functions declared in support/timespec.h. * support/timespec-add.c: New file from gnulib containing timespec_add implementation that handles overflow. * support/timespec-sub.c: New file from gnulib containing timespec_sub implementation that handles overflow. * support/README: Mention timespec.h. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* support: Add xclock_gettimeMike Crowe2019-05-084-0/+66
| | | | | | | | | | | | * support/xclock_gettime.c (xclock_gettime): New file. Provide clock_gettime wrapper for use in tests that fails the test rather than returning failure. * support/xtime.h: New file to declare xclock_gettime. * support/Makefile: Add xclock_gettime.c. * support/README: Mention xtime.h.
* support: Add support_capture_subprogramAdhemerval Zanella2019-04-1710-50/+551
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Its API is similar to support_capture_subprocess, but rather creates a new process based on the input path and arguments. Under the hoods it uses posix_spawn to create the new process. It also allows the use of other support_capture_* functions to check for expected results and free the resources. Checked on x86_64-linux-gnu. * support/Makefile (libsupport-routines): Add support_subprocess, xposix_spawn, xposix_spawn_file_actions_addclose, and xposix_spawn_file_actions_adddup2. (tst-support_capture_subprocess-ARGS): New rule. * support/capture_subprocess.h (support_capture_subprogram): New prototype. * support/support_capture_subprocess.c (support_capture_subprocess): Refactor to use support_subprocess and support_capture_poll. (support_capture_subprogram): New function. * support/tst-support_capture_subprocess.c (write_mode_to_str, str_to_write_mode, test_common, parse_int, handle_restart, do_subprocess, do_subprogram, do_multiple_tests): New functions. (do_test): Add support_capture_subprogram tests. * support/subprocess.h: New file. * support/support_subprocess.c: Likewise. * support/xposix_spawn.c: Likewise. * support/xposix_spawn_file_actions_addclose.c: Likewise. * support/xposix_spawn_file_actions_adddup2.c: Likewise. * support/xspawn.h: Likewise. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* Avoid fall-through in test-container if execlp fails.Joseph Myers2019-02-131-0/+1
| | | | | | | | | | | | | One of the implicit-fallthrough warnings from compiling glibc with -Wextra appears to indicate an actual bug: the test-container code could fall through inappropriately if execlp returns (which only occurs on error). This patch adds appropriate error handling in this case to avoid that fall-through. Tested for x86_64. * support/test-container.c (recursive_remove): Use FAIL_EXIT1 if execlp returns.
* support: Implement xdlmopenFlorian Weimer2019-02-073-1/+33
| | | | | Put xdlmopen into its own file, to avoid disturbing static linking tests (where dlmopen pulls in additional code).
* support: Use dlerror to detect NULL symbols in xdlsymFlorian Weimer2019-02-061-10/+10
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* Fix alignment of TLS variables for tls variant TLS_TCB_AT_TP [BZ #23403]Stefan Liebler2019-02-065-0/+66
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The alignment of TLS variables is wrong if accessed from within a thread for architectures with tls variant TLS_TCB_AT_TP. For the main thread the static tls data is properly aligned. For other threads the alignment depends on the alignment of the thread pointer as the static tls data is located relative to this pointer. This patch adds this alignment for TLS_TCB_AT_TP variants in the same way as it is already done for TLS_DTV_AT_TP. The thread pointer is also already properly aligned if the user provides its own stack for the new thread. This patch extends the testcase nptl/tst-tls1.c in order to check the alignment of the tls variables and it adds a pthread_create invocation with a user provided stack. The test itself is migrated from test-skeleton.c to test-driver.c and the missing support functions xpthread_attr_setstack and xposix_memalign are added. ChangeLog: [BZ #23403] * nptl/allocatestack.c (allocate_stack): Align pointer pd for TLS_TCB_AT_TP tls variant. * nptl/tst-tls1.c: Migrate to support/test-driver.c. Add alignment checks. * support/Makefile (libsupport-routines): Add xposix_memalign and xpthread_setstack. * support/support.h: Add xposix_memalign. * support/xthread.h: Add xpthread_attr_setstack. * support/xposix_memalign.c: New File. * support/xpthread_attr_setstack.c: Likewise.
* support: Correct error message for TEST_COMPARE_STRINGFlorian Weimer2019-02-012-7/+7
| | | | It should say "string", not "blob".
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