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* resolv: Do not install libanl.so symbolic linkAdhemerval Zanella2021-12-301-0/+5
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* resolv: Do not build libanl.so for ABIs starting at 2.35Adhemerval Zanella2021-12-301-1/+5
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* resolv: Avoid GCC 12 false positive warning [BZ #28439].Martin Sebor2021-10-111-1/+3
| | | | | | Replace a call to sprintf with an equivalent pair of stpcpy/strcpy calls to avoid a GCC 12 -Wformat-overflow false positive due to recent optimizer improvements.
* resolv: make res_randomid use random_bits()Cristian Rodríguez2021-10-081-1/+2
| | | | | | | It is at least "more random" than 0xffff & __getpid (); Signed-off-by: Cristian Rodríguez <crrodriguez@opensuse.org> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Remove "Contributed by" linesSiddhesh Poyarekar2021-09-0312-12/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* Move malloc hooks into a compat DSOSiddhesh Poyarekar2021-07-221-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | Remove all malloc hook uses from core malloc functions and move it into a new library libc_malloc_debug.so. With this, the hooks now no longer have any effect on the core library. libc_malloc_debug.so is a malloc interposer that needs to be preloaded to get hooks functionality back so that the debugging features that depend on the hooks, i.e. malloc-check, mcheck and mtrace work again. Without the preloaded DSO these debugging features will be nops. These features will be ported away from hooks in subsequent patches. Similarly, legacy applications that need hooks functionality need to preload libc_malloc_debug.so. The symbols exported by libc_malloc_debug.so are maintained at exactly the same version as libc.so. Finally, static binaries will no longer be able to use malloc debugging features since they cannot preload the debugging DSO. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Do not install libnss_dns.a, libnss_dns.soFlorian Weimer2021-07-201-0/+8
| | | | Fixes commit e1fcf21474c5b522f ("resolv: Move nss_dns into libc").
* nss: Directly load nss_dns, without going through dlsym/dlopenFlorian Weimer2021-07-192-0/+41
| | | | | | | | | | | | | This partially fixes static-only NSS support (bug 27959): The dns module no longer needs dlopen. Support for disabling dlopen altogher remains to be added. This commit introduces module_load_builtin into nss/nss_module.c, which handles the common parts of loading the built-in nss_files and nss_dns modules. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move nss_dns into libcFlorian Weimer2021-07-195-57/+46
| | | | | | | No abilist updates are needed because the symbols were GLIBC_PRIVATE. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move res_query functions into libcFlorian Weimer2021-07-195-52/+76
| | | | | | | | | | | | | | | This switches to public symbols without __ prefixes, due to improved namespace management in glibc. The script was used with --no-new-version to move the symbols __res_nquery, __res_nquerydomain, __res_nsearch, __res_query, __res_querydomain, __res_search, res_query, res_querydomain, res_search. The public symbols res_nquery, res_nquerydomain, res_nsearch, res_ownok, res_query, res_querydomain, res_search were added with make update-all-abi. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move res_mkquery, res_nmkquery into libcFlorian Weimer2021-07-195-28/+40
| | | | | | | | | | | | | This switches to public symbols without __ prefixes, due to improved namespace management in glibc. The symbols res_mkquery, __res_mkquery, __res_nmkquery were moved with the script (using --no-new-version). res_mkquery@@GLIBC_2.34, res_nmkquery@@GLIBC_2.34 were added using make update-all-abi. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move res_send, res_nsend into libcFlorian Weimer2021-07-196-30/+45
| | | | | | | | | | | Switch to public symbols without __ prefix (due to improved namespace management). __res_send, __res_nsend were moved using the script (with --no-new-version). res_send@@GLIBC_2.34 and res_nsend@@GLIBC_2.34 were added using make update-all-abi. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move res_hostalias into its own file, along with hostaliasFlorian Weimer2021-07-193-30/+52
| | | | | | | These deprecated symbols continue to be exported from libresolv. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move __res_context_hostalias into its own file and into libcFlorian Weimer2021-07-195-42/+135
| | | | | | | | And reformat it to GNU style. Remove the unecessary setbuf call. Use __fgets_unlocked for PLT avoidance; no locking is required here. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move res_queriesmatch to its own file and into libcFlorian Weimer2021-07-195-59/+144
| | | | | | | | | | And reformat it to GNU style. The treatment of this function matches res_nameinquery, for the reasons stated there. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move res_nameinquery to its own file and into libcFlorian Weimer2021-07-195-42/+126
| | | | | | | | | | | | And reformat to GNU style. This deprecated function is used in the implementation of the stub resolver (for now). Keep the public symbol in libresolv for now (so that no new symbol version is needed), and add a forwarder to libresolv. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move ns_samename into its own file, and into libcFlorian Weimer2021-07-198-31/+55
| | | | | | | | | | | | But only as an internal symbol, __libc_ns_samename. The libresolv ABI is preserved. This is because the function is deprecated, and it does not make sense to add new symbol versions for deprecated functions. Also reformat the implementation to GNU style. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move ns_makecanon into its own file, and into libcFlorian Weimer2021-07-195-36/+90
| | | | | | | | | | | | But only as an internal symbol, __libc_ns_makecanon. The libresolv ABI is preserved. This is because the function is deprecated, and it does not make sense to add new symbol versions for deprecated functions. Also reformat the implementation to GNU style. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move res_isourserver to its own file and reformat to GNU styleFlorian Weimer2021-07-193-51/+135
| | | | | Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move __res_get_nsaddr to its own file and into libcFlorian Weimer2021-07-195-21/+51
| | | | | | | | | Eliminate the use of the EXT macro from it because it does not add clarity. The function was added to res_send.c in 2015, and the copyright year reflects that. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Rename res_comp.c to res-name-checking.c and move into libcFlorian Weimer2021-07-194-27/+41
| | | | | | | | | | | | | | | This reflects what the remaining functions in the file do. The __res_dnok, __res_hnok, __res_mailok, __res_ownok were moved with the script, using --no-new-version, and turned into compat symbols. __libc_res_dnok@@GLIBC_PRIVATE and __libc_res_hnok@@GLIBC_PRIVATE are added for internal use, to avoid accidentally binding to compatibility symbols. The new public symbols res_dnok, res_hnok, res_mailok, res_ownok were added using make update-all-abi. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move dn_skipname to its own file and into libcFlorian Weimer2021-07-197-18/+110
| | | | | | | | | | | | | | | And reformat it to GNU style. dn_skipname is used outside glibc, so do not deprecate it, and export it as dn_skipname (not __dn_skipname). Due to internal users, provide a __libc_dn_skipname alias, and keep __dn_skipname as a pure compatibility symbol. __dn_skipname@GLIBC_2.0 was moved using the script, and dn_skipname@@GLIBC_2.34 was added using make update-all-abi. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move dn_comp to its own file and into libcFlorian Weimer2021-07-195-17/+106
| | | | | | | | | | | | | | | And reformat it to GNU style. dn_comp is used in various programs, so keep it as a non-deprecated symbol. Switch to dn_comp (not __dn_comp) for the ABI name. There are no internal users, so interposition is not a problem. The __dn_comp symbol was moved with scripts/move-symbol-to-libc.py --no-new-version. dn_comp@@GLIBC_2.34 was added with make update-all-abi. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move _getlong, _getshort, __putlong, __putshort to res-putgetFlorian Weimer2021-07-193-15/+113
| | | | | | | And reformat to GNU style. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move dn_expand to its own file and into libcFlorian Weimer2021-07-1911-44/+134
| | | | | | | | | | | | | | | | | | And reformat to GNU style. This switches back to the dn_expand name for the ABI symbol and turns __dn_expand into a compatibility symbol. With the improved namespace management in current glibc, it is no longer necessary to use a private namespace symbol. To avoid old code binding to a GLIBC_PRIVATE symbol by accident, use __libc_dn_expand for the internal symbol name. The symbols dn_expand, __dnexpand were moved using scripts/move-symbol-to-libc.py, followed by an adjustment to make dn_expand the only GLIBC_2.34 symbol. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move ns_name_compress into its own file and into libcFlorian Weimer2021-07-194-28/+54
| | | | | | | | | And reformat to GNU style. The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move ns_name_pack into its own file and into libcFlorian Weimer2021-07-194-195/+206
| | | | | | | | | And reformat to GNU style, and eliminate the labellen function. The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move ns_name_pton into its own file and into libcFlorian Weimer2021-07-194-125/+161
| | | | | | | | | And reformat to GNU style, and eliminate the digits variable. The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move ns_name_uncompress into its own file and into libcFlorian Weimer2021-07-194-25/+49
| | | | | | | | | | And reformat to GNU style. Check for negative error returns (instead of -1). The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move ns_name_skip to its own file and into libc (bug 28091)Florian Weimer2021-07-194-38/+75
| | | | | | | | | | And reformat to GNU style. Avoid out-of-bounds pointer arithmetic. This also results in a fix of bug 28091 due to the additional packet length checks. The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Carlos O'Donell <carlos@systemhalted.org>
* resolv: Deprecate legacy interfaces in libresolvFlorian Weimer2021-07-192-40/+79
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Debugging interfaces: p_*, fp_*, and sym_* could conceivably be used to produce debug out, but these functions have not been updated to parse more resource records, so they are not very useful today. Likewise for ns_sprintrr and ns_sprintrrf. ns_format_ttl and ns_parse_ttl are related to these. Internal implementation details: res_isourserver is probably only useful in the implementation of a stub resolver, and so is res_nameinquery. Unclear semantics and bad performance: ns_samedomain, ns_subdomain, ns_makecanon, ns_samename do textual converions & copies instead of checking equivalence of the wire format. inet_neta cannot handle IPv6 addresses. res_hostalias has been superseded by getaddrinfo with AI_CANONNAME. hostalias is not thread-safe. Some functions have int as size arguments instead of size_t, so they do not follow current coding practices. However, dn_expand and b64_ntop are somewhat widely used (to name just two examples), so deprecating them seems problematic. Reviewed-by: Carlos O'Donell <carlos@systemhalted.org>
* resolv: Move ns_name_unpack to its own file and into libcFlorian Weimer2021-07-154-83/+119
| | | | | | | | | | Reformat to GNU style. Avoid out-of-bounds buffer arithmetic. Eliminate the labellen function. The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Remove unnecessary res_isourserver_p call from send_dgFlorian Weimer2021-07-151-6/+0
| | | | | | | | As the comment indicates, the check is unnecessary due to the way the UDP socket is set up. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move ns_name_ntop to its own file and into libcFlorian Weimer2021-07-154-129/+152
| | | | | | | | | | | | Reformat to GNU style. Avoid out-of-bounds pointer arithmetic (e.g., use eom - dn < 2 instead of dn + 1 >= eom). Inline the labellen function and fold the compression pointer check into the length check (l >= 64). Assume ASCII encoding. The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* nss_dns: Do not use deprecated packet parsing functionsFlorian Weimer2021-07-152-21/+20
| | | | | Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Sort Makefile routines and Versions lexicographicallyFlorian Weimer2021-07-152-73/+182
| | | | | | Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* Force building with -fno-commonFlorian Weimer2021-07-091-1/+1
| | | | | | | | | | As a result, is not necessary to specify __attribute__ ((nocommon)) on individual definitions. GCC 10 defaults to -fno-common on all architectures except ARC, but this change is compatible with older GCC versions and ARC, too. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* resolv: Move libanl into libc (if libpthread is in libc)Florian Weimer2021-07-0211-49/+173
| | | | | | | | | | The symbols gai_cancel, gai_error, gai_suspend, getaddrinfo_a, __gai_suspend_time64 were moved using scripts/move-symbol-to-libc.py. For Hurd (which remains !PTHREAD_IN_LIBC), a few #define redirects had to be added because several pthread functions are not available under __. (Linux uses __ prefixes for most hidden aliases, and has to in some cases to avoid linknamespace issues.)
* y2038: Add support for 64-bit time on legacy ABIsAdhemerval Zanella2021-06-151-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A new build flag, _TIME_BITS, enables the usage of the newer 64-bit time symbols for legacy ABI (where 32-bit time_t is default). The 64 bit time support is only enabled if LFS (_FILE_OFFSET_BITS=64) is also used. Different than LFS support, the y2038 symbols are added only for the required ABIs (armhf, csky, hppa, i386, m68k, microblaze, mips32, mips64-n32, nios2, powerpc32, sparc32, s390-32, and sh). The ABIs with 64-bit time support are unchanged, both for symbol and types redirection. On Linux the full 64-bit time support requires a minimum of kernel version v5.1. Otherwise, the 32-bit fallbacks are used and might results in error with overflow return code (EOVERFLOW). The i686-gnu does not yet support 64-bit time. This patch exports following rediretions to support 64-bit time: * libc: adjtime adjtimex clock_adjtime clock_getres clock_gettime clock_nanosleep clock_settime cnd_timedwait ctime ctime_r difftime fstat fstatat futimens futimes futimesat getitimer getrusage gettimeofday gmtime gmtime_r localtime localtime_r lstat_time lutimes mktime msgctl mtx_timedlock nanosleep nanosleep ntp_gettime ntp_gettimex ppoll pselec pselect pthread_clockjoin_np pthread_cond_clockwait pthread_cond_timedwait pthread_mutex_clocklock pthread_mutex_timedlock pthread_rwlock_clockrdlock pthread_rwlock_clockwrlock pthread_rwlock_timedrdlock pthread_rwlock_timedwrlock pthread_timedjoin_np recvmmsg sched_rr_get_interval select sem_clockwait semctl semtimedop sem_timedwait setitimer settimeofday shmctl sigtimedwait stat thrd_sleep time timegm timerfd_gettime timerfd_settime timespec_get utime utimensat utimes utimes wait3 wait4 * librt: aio_suspend mq_timedreceive mq_timedsend timer_gettime timer_settime * libanl: gai_suspend Reviewed-by: Lukasz Majewski <lukma@denx.de> Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* dlfcn: Cleanups after -ldl is no longer requiredFlorian Weimer2021-06-031-11/+8
| | | | | | | | | | | | This commit removes the ELF constructor and internal variables from dlfcn/dlfcn.c. The file now serves the same purpose as nptl/libpthread-compat.c, so it is renamed to dlfcn/libdl-compat.c. The use of libdl-shared-only-routines ensures that libdl.a is empty. This commit adjusts the test suite not to use $(libdl). The libdl.so symbolic link is no longer installed. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* resolv: tst-p_secstodate can be a regular testFlorian Weimer2021-03-092-13/+3
| | | | | | | | Now that compat_symbol_reference works for non-internal tests, too. Also do not build and run the tests on architectures which lack the __p_secstodate compatibility symbol. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Update copyright dates with scripts/update-copyrightsPaul Eggert2021-01-0269-69/+69
| | | | | | | | | | | | | | | | 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
* y2038: Convert gai_suspend to support 64 bit timeLukasz Majewski2020-12-041-25/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | This change uses (in gai_misc.h): - __futex_abstimed_wait64 (instead of futex_reltimed_wait) - __futex_abstimed_wait_cancellable64 (instead of futex_reltimed_wait_cancellable) from ./sysdeps/nptl/futex-helpers.h The gai_suspend() accepts relative timeout, which then is converted to absolute one. The i686-gnu port (HURD) do not define DONT_NEED_GAI_MISC_COND and as it doesn't (yet) support 64 bit time it uses not converted pthread_cond_timedwait(). The __gai_suspend() is supposed to be run on ports with __TIMESIZE !=64 and __WORDSIZE==32. It internally utilizes __gai_suspend_time64() and hence the conversion from 32 bit struct timespec to 64 bit one is required. For ports supporting 64 bit time the __gai_suspend_time64() will be used either via alias (to __gai_suspend when __TIMESIZE==64) or redirection (when -D_TIME_BITS=64 is passed). Build tests: ./src/scripts/build-many-glibcs.py glibcs Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
* Mark mtrace tests UNSUPPORTED if bug-ga2.mtrace or tst-leaks2.mtrace are missingStefan Liebler2020-11-251-1/+3
| | | | | | | | | | | | | | Starting with commit 29fddfc7dfd6444fa61a256e9a0d0127545e1f2e, the tests posix/bug-ga2 and resolv/tst-leaks2 are test-container tests. If test-container.c returns with EXIT_UNSUPPORTED, the tests with mtrace() are not executed and the mtrace files do not exist. Therefore the "mtrace-analysis-part" of those tests are marked UNSUPPORTED if the mtrace files are missing. Reported-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com> Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
* Use libnss_files.so for tests posix/bug-ga2 and resolv/tst-leaks2 [BZ #26821]Stefan Liebler2020-11-234-6/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | The tests posix/bug-ga2-mem and resolv/mtrace-tst-leaks2 are failing on fedora 33 as mtrace reports memory leaks. The /etc/nsswitch.conf differs between Fedora 32: hosts: files dns myhostname Fedora 33: hosts: files resolve [!UNAVAIL=return] myhostname dns Therefore /lib64/libnss_resolve.so.2 (from systemd) and the dependencies libgcc_s.so.1 and libpthread.so.0 are loaded. Usually all malloc'ed resources from getaddrinfo / gethostbyname are freed and the libraries are dlclose'd in nss/nsswitch.c:libc_freeres_fn (free_mem). Unfortunately, /lib64/libnss_resolve.so.2 is marked with DF_1_NODELETE. As this library is not unmapped, you'll see "Memory not freed". Therefore those tests are now only relying on libnss_files.so by making them test-container tests and providing the required configuration files. By moving the tests to tests-container, those are now running with "make check". Therefore the mtrace part of the tests are also moved from "make xcheck" to "make check". bug-ga2.c is now using test-driver.c in order to support WAIT_FOR_DEBUGGER environment variable.
* resolv: Serialize processing in resolv/tst-resolv-txnid-collisionFlorian Weimer2020-10-151-0/+5
| | | | | | | | | | | When switching name servers, response processing by two server threads clobbers the global test state. (There is still some risk that this test is negatively impact by packet drops and packet reordering, but this applies to many of the resolver tests and is difficult to avoid.) Fixes commit f1f00c072138af90ae6da180f260111f09afe7a3 ("resolv: Handle transaction ID collisions in parallel queries (bug 26600)").
* resolv: Handle transaction ID collisions in parallel queries (bug 26600)Florian Weimer2020-10-143-20/+356
| | | | | | If the transaction IDs are equal, the old check attributed both responses to the first query, not recognizing the second response. This fixes bug 26600.
* Move <rpc/netdb.h> from sunrpc to inetFlorian Weimer2020-07-172-10/+0
| | | | | | | | | | | Restore <rpc/netdb.h> as an installed header. Delete the dummy header resolv/rpc/netdb.h because inet is not an optional glibc component (so its <rpc/netdb.h> is always available). Fixes commit acb527929d0c2b3bb0798472c42ddb3203729708 ("Move non-deprecated RPC-related functions from sunrpc to inet") in combination with commit 5500cdba4018ddbda7909bc7f4f9718610b43cf0 ("Remove --enable-obsolete-rpc configure flag").
* Move implementation of <file_change_detection.h> into a C fileFlorian Weimer2020-02-182-4/+4
| | | | | | | | | | | file_change_detection_for_stat partially initialize struct file_change_detection in some cases, when the size member alone determines the outcome of all comparisons. This results in maybe-uninitialized compiler warnings in case of sufficiently aggressive inlining. Once the implementation is moved into a separate C file, this kind of inlining is no longer possible, so the compiler warnings are gone.
* resolv: Fix ABA race in /etc/resolv.conf change detection [BZ #25420]Florian Weimer2020-02-141-6/+13
| | | | | | | | | | __resolv_conf_get_current should only record the initial file change data if after verifying that file just read matches the original measurement. Fixes commit aef16cc8a4c670036d45590877 ("resolv: Automatically reload a changed /etc/resolv.conf file [BZ #984]"). Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-27 00:09:59 +0000