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* hurd: Add __x86_get_cpu_features to ld.abilistH.J. Lu2020-09-131-0/+1
| | | | Add __x86_get_cpu_features to ld.abilist for <sys/platform/x86.h>.
* Remove internal usage of extensible stat functionsAdhemerval Zanella2020-09-111-1/+1
| | | | | | | | | | | | It replaces the internal usage of __{f,l}xstat{at}{64} with the __{f,l}stat{at}{64}. It should not change the generate code since sys/stat.h explicit defines redirections to internal calls back to xstat* symbols. Checked with a build for all affected ABIs. I also check on x86_64-linux-gnu and i686-linux-gnu. Reviewed-by: Lukasz Majewski <lukma@denx.de>
* hurd: define BSD 4.3 ioctls only under __USE_MISCSamuel Thibault2020-08-271-0/+2
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* hurd: Add missing hidden defSamuel Thibault2020-08-061-0/+1
| | | | * sysdeps/mach/hurd/sched_gets.c (__sched_getscheduler): Add hidden def.
* hurd: Rework sbrkSamuel Thibault2020-08-053-9/+32
| | | | | | | | | | | | | | | | | | | | | | | | | Making the brk start exactly at the end of the main application binary was requiring to get it through the _end symbol, which does not work any more with recent toolchains, and actually produces in libc.so a confusing external _end symbol that produces odd results, see https://sourceware.org/bugzilla/show_bug.cgi?id=23499 Trying to do so is quite outdated anyway with the tendency for address randomization. Using _end was also allowing to include the main binary data within the RLIMIT_DATA, but this also seems outdated with dynamic library loading, and nowadays' memory consumption via malloc and mmap rather than statically-allocated data. This adds a BRK_START macro in <vm_param.h> that just tells where we want to start the brk, and thus removes the _end symbol. * sysdeps/mach/hurd/i386/vm_param.h: New file. * sysdeps/mach/hurd/brk.c: Use BRK_START as brk start instead of _end. Also ignore __data_start. * hurd/Versions: Remove _end symbol. * sysdeps/mach/hurd/i386/libc.abilist: Remove _end symbol.
* hurd: Implement basic sched_get/setschedulerSamuel Thibault2020-08-052-0/+75
| | | | | * sysdeps/mach/hurd/sched_gets.c: New file. * sysdeps/mach/hurd/sched_sets.c: New file.
* hurd: Fix longjmp check for sigstateSamuel Thibault2020-07-182-2/+2
| | | | | * sysdeps/mach/hurd/i386/____longjmp_chk.S,__longjmp.S: Properly check for sigstate being NULL.
* hurd: Fix longjmp early in initializationSamuel Thibault2020-07-182-2/+16
| | | | | | | | | When e.g. an LD_PRELOAD fails, _dl_signal_exception/error longjmps, but TLS is not initialized yet, let along signal state. We thus mustn't look at them within __longjmp. * sysdeps/mach/hurd/i386/____longjmp_chk.S,__longjmp.S: Check for initialized value of %gs, and that sigstate is non-NULL.
* Remove --enable-obsolete-nsl configure flagPetr Vorel2020-07-081-2/+0
| | | | | | | | | | | | | | | | | | | this means that *always* libnsl is only built as shared library for backward compatibility and the NSS modules libnss_nis and libnss_nisplus are not built at all, libnsl's headers aren't installed. This compatibility is kept only for architectures and ABIs that have been added in or before version 2.28. Replacement implementations based on TIRPC, which additionally support IPv6, are available from <https://github.com/thkukuk/>. This change does not affect libnss_compat which does not depended on libnsl since 2.27 and thus can be used without NIS. libnsl code depends on Sun RPC, e.g. on --enable-obsolete-rpc (installed libnsl headers use installed Sun RPC headers), which will be removed in the following commit.
* hurd: Fix strerror not setting errnoSamuel Thibault2020-07-071-5/+11
| | | | | * sysdeps/mach/strerror_l.c: Include <errno.h>. (__strerror_l): Save errno on entry and restore it on exit.
* string: Add strerrorname_np and strerrordesc_npAdhemerval Zanella2020-07-072-0/+6
| | | | | | | | | | | | | | | | | The strerrorname_np returns error number name (e.g. "EINVAL" for EINVAL) while strerrordesc_np returns string describing error number (e.g "Invalid argument" for EINVAL). Different than strerror, strerrordesc_np does not attempt to translate the return description, both functions return NULL for an invalid error number. They should be used instead of sys_errlist and sys_nerr, both are thread and async-signal safe. These functions are GNU extensions. 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>
* string: Add sigabbrev_np and sigdescr_npAdhemerval Zanella2020-07-071-0/+2
| | | | | | | | | | | | | | | | | | The sigabbrev_np returns the abbreviated signal name (e.g. "HUP" for SIGHUP) while sigdescr_np returns the string describing the error number (e.g "Hangup" for SIGHUP). Different than strsignal, sigdescr_np does not attempt to translate the return description and both functions return NULL for an invalid signal number. They should be used instead of sys_siglist or sys_sigabbrev and they are both thread and async-signal safe. They are added as GNU extensions on string.h header (same as strsignal). 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>
* string: Simplify strerror_rAdhemerval Zanella2020-07-071-62/+5
| | | | | | | | | | | | Use snprintf instead of mempcpy plus itoa_word and remove unused definitions. There is no potential for infinite recursion because snprintf only use strerror_r for the %m specifier. 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>
* string: Use tls-internal on strerror_lAdhemerval Zanella2020-07-071-21/+11
| | | | | | | | | | The buffer allocation uses the same strategy of strsignal. 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>
* string: Implement strerror in terms of strerror_lAdhemerval Zanella2020-07-071-1/+3
| | | | | | | | | | | | | | If the thread is terminated then __libc_thread_freeres will free the storage via __glibc_tls_internal_free. It is only within the calling thread that this matters. It makes strerror MT-safe. 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>
* signal: Move sys_errlist to a compat symbolAdhemerval Zanella2020-07-072-12/+4
| | | | | | | | | | | | | | | | | | | | The symbol is deprecated by strerror since its usage imposes some issues such as copy relocations. Its internal name is also changed to _sys_errlist_internal to avoid static linking usage. The compat code is also refactored by removing the over enginered errlist-compat.c generation from manual entried and extra comment token in linker script file. It disantangle the code generation from manual and simplify both Linux and Hurd compat code. The definitions from errlist.c are moved to errlist.h and a new test is added to avoid a new errno entry without an associated one in manual. Checked on x86_64-linux-gnu and i686-linux-gnu. I also run a check-abi on all affected platforms. Tested-by: Carlos O'Donell <carlos@redhat.com> Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* signal: Move sys_siglist to a compat symbolAdhemerval Zanella2020-07-071-4/+9
| | | | | | | | | | | | | | | | | | | The symbol was deprecated by strsignal and its usage imposes issues such as copy relocations. Its internal name is changed to __sys_siglist and __sys_sigabbrev to avoid static linking usage. The compat code is also refactored, since both Linux and Hurd usage the same strategy: export the same array with different object sizes. The libSegfault change avoids calling strsignal on the SIGFAULT signal handler (the current usage is already sketchy, adding a call that potentially issue locale internal function is even sketchier). Checked on x86_64-linux-gnu and i686-linux-gnu. I also run a check-abi on all affected platforms. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* signal: Add signum-{generic,arch}.hAdhemerval Zanella2020-07-071-0/+65
| | | | | | | | | | | | | | | | | | | | It refactor how signals are defined by each architecture. Instead of include a generic header (bits/signum-generic.h) and undef non-default values in an arch specific header (bits/signum.h) the new scheme uses a common definition (bits/signum-generic.h) and each architectures add its specific definitions on a new header (bits/signum-arch.h). For Linux it requires copy some system default definitions to alpha, hppa, and sparc. They are historical values and newer ports uses the generic Linux signum-arch.h. For Hurd the BSD signum is removed and moved to a new header (it is used currently only on Hurd). Checked on a build against all affected ABIs. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* Add the __libc_single_threaded variableFlorian Weimer2020-07-061-0/+1
| | | | | | | | | | | | | | The variable is placed in libc.so, and it can be true only in an outer libc, not libcs loaded via dlmopen or static dlopen. Since thread creation from inner namespaces does not work, pthread_create can update __libc_single_threaded directly. Using __libc_early_init and its initial flag, implementation of this variable is very straightforward. A future version may reset the flag during fork (but not in an inner namespace), or after joining all threads except one. Reviewed-by: DJ Delorie <dj@redhat.com>
* hurd: Simplify usleep timeout computationSamuel Thibault2020-06-291-5/+2
| | | | | | as suggested by Andreas Schwab * sysdeps/mach/usleep.c (usleep): Divide timeout in an overflow-safe way.
* htl: Enable cancel*16 an cancel*20 testsSamuel Thibault2020-06-291-0/+2
| | | | | | | | | | * nptl/tst-cancel16.c, tst-cancel20.c, tst-cancelx16.c, tst-cancelx20.c: Move to... * sysdeps/pthread: ... here. * nptl/Makefile: Move corresponding references and rules to... * sysdeps/pthread/Makefile: ... here. * sysdeps/mach/hurd/i386/Makefile: Xfail tst-cancel*16 for now: missing barrier pshared support, but test should be working otherwise.
* hurd: Add remaining cancelation pointsSamuel Thibault2020-06-2811-8/+67
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * hurd/hurdselect.c: Include <sysdep-cancel.h>. (_hurd_select): Surround call to __mach_msg with enabling async cancel. * sysdeps/mach/hurd/accept4.c: Include <sysdep-cancel.h>. (__libc_accept4): Surround call to __socket_accept with enabling async cancel, and use HURD_DPORT_USE_CANCEL instead of HURD_DPORT_USE. * sysdeps/mach/hurd/connect.c: Include <sysdep-cancel.h>. (__connect): Surround call to __file_name_lookup and __socket_connect with enabling async cancel, and use HURD_DPORT_USE_CANCEL instead of HURD_DPORT_USE. * sysdeps/mach/hurd/fdatasync.c: Include <sysdep-cancel.h>. (fdatasync): Surround call to __file_sync with enabling async cancel, and use HURD_DPORT_USE_CANCEL instead of HURD_DPORT_USE. * sysdeps/mach/hurd/fsync.c: Include <sysdep-cancel.h>. (fsync): Surround call to __file_sync with enabling async cancel, and use HURD_DPORT_USE_CANCEL instead of HURD_DPORT_USE. * sysdeps/mach/hurd/ioctl.c: Include <sysdep-cancel.h>. (__ioctl): When request is TIOCDRAIN, surround call to send_rpc with enabling async cancel, and use HURD_DPORT_USE_CANCEL instead of HURD_DPORT_USE. * sysdeps/mach/hurd/msync.c: Include <sysdep-cancel.h>. (msync): Surround call to __vm_object_sync with enabling async cancel. * sysdeps/mach/hurd/sigsuspend.c: Include <sysdep-cancel.h>. (__sigsuspend): Surround call to __mach_msg with enabling async cancel. * sysdeps/mach/hurd/sigwait.c: Include <sysdep-cancel.h>. (__sigwait): Surround wait code with enabling async cancel. * sysdeps/mach/msync.c: Include <sysdep-cancel.h>. (msync): Surround call to __vm_msync with enabling async cancel. * sysdeps/mach/sleep.c: Include <sysdep-cancel.h>. (__sleep): Surround call to __mach_msg with enabling async cancel. * sysdeps/mach/usleep.c: Include <sysdep-cancel.h>. (usleep): Surround call to __vm_msync with enabling async cancel.
* hurd: fix usleep(ULONG_MAX)Samuel Thibault2020-06-281-1/+5
| | | | * sysdeps/mach/usleep.c (usleep): Clamp timeout when rouding up.
* hurd: Make fcntl(F_SETLKW*) cancellation pointsSamuel Thibault2020-06-284-8/+44
| | | | | | | | | | | | | and add _nocancel variant. * sysdeps/mach/hurd/Makefile [io] (sysdep_routines): Add fcntl_nocancel. * sysdeps/mach/hurd/fcntl.c [NOCANCEL]: Include <not-cancel.h>. [!NOCANCEL]: Include <sysdep-cancel.h>. (__libc_fcntl) [!NOCANCEL]: Surround __file_record_lock call with enabling async cancel, and use HURD_FD_PORT_USE_CANCEL instead of HURD_FD_PORT_USE. * sysdeps/mach/hurd/fcntl_nocancel.c: New file, defines __fcntl_nocancel by including fcntl.c. * sysdeps/mach/hurd/not-cancel.h (__fcntl64_nocancel): Replace macro with __fcntl_nocancel declaration with hidden proto, and make __fcntl64_nocancel call __fcntl_nocancel.
* hurd: make wait4 a cancellation pointSamuel Thibault2020-06-284-6/+70
| | | | | | | | | | | | | | and add _nocancel variant. * sysdeps/mach/hurd/Makefile [io] (sysdep_routines): Add wait4_nocancel. * sysdeps/mach/hurd/wait4.c: Include <sysdep-cancel.h> (__wait4): Surround __proc_wait with enabling async cancel, and use __USEPORT_CANCEL instead of __USEPORT. * sysdeps/mach/hurd/wait4_nocancel.c: New file, contains previous implementation of __wait4. * sysdeps/mach/hurd/not-cancel.h (__waitpid_nocancel): Replace macro with __wait4_nocancel declaration with hidden proto, and make __waitpid_nocancel call __wait4_nocancel.
* hurd: make close a cancellation pointSamuel Thibault2020-06-287-6/+50
| | | | | | | | | | | | | | and add _nocancel variant. * sysdeps/mach/hurd/Makefile [io] (sysdep_routines): Add close_nocancel. * sysdeps/mach/hurd/Versions (libc.GLIBC_PRIVATE, ld.GLIBC_PRIVATE): Add __close_nocancel. * sysdeps/mach/hurd/i386/localplt.data (__close_nocancel): Allow PLT. * sysdeps/mach/hurd/close.c: Include <sysdep-cancel.h> (__libc_close): Surround _hurd_fd_close with enabling async cancel. * sysdeps/mach/hurd/close_nocancel.c: New file. * sysdeps/mach/hurd/not-cancel.h (__close_nocancel): Replace macro with declaration with hidden proto.
* hurd: make open and openat cancellation pointsSamuel Thibault2020-06-289-10/+138
| | | | | | | | | | | | | | | | | | | | | and add _nocancel variants. * sysdeps/mach/hurd/Makefile [io] (sysdep_routines): Add open_nocancel openat_nocancel. * sysdeps/mach/hurd/Versions (libc.GLIBC_PRIVATE, ld.GLIBC_PRIVATE): Add __open_nocancel. * sysdeps/mach/hurd/dl-sysdep.c (__open_nocancel): Add alias, check it is not hidden. * sysdeps/mach/hurd/i386/localplt.data (__open_nocancel): Allow PLT. * sysdeps/mach/hurd/not-cancel.h (__open_nocancel, __openat_nocancel: Replace macros with declarations with hidden proto. (__open64_nocancel, __openat64_nocancel): Call __open_nocancel and __openat_nocancel instead of __open64 and __openat64. * sysdeps/mach/hurd/open.c: Include <sysdep-cancel.h> (__libc_open): Surround __file_name_lookup with enabling async cancel. * sysdeps/mach/hurd/openat.c: Likewise. * sysdeps/mach/hurd/open_nocancel.c, sysdeps/mach/hurd/openat_nocancel.c: New files.
* hurd: clean fd and port on thread cancelSamuel Thibault2020-06-286-24/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | HURD_*PORT_USE link fd and port with a stack-stored structure, so on thread cancel we need to cleanup this. * hurd/fd-cleanup.c: New file. * hurd/port-cleanup.c (_hurd_port_use_cleanup): New function. * hurd/Makefile (routines): Add fd-cleanup. * sysdeps/hurd/include/hurd.h (__USEPORT_CANCEL): New macro. * sysdeps/hurd/include/hurd/fd.h (_hurd_fd_port_use_data): New structure. (_hurd_fd_port_use_cleanup): New prototype. (HURD_DPORT_USE_CANCEL, HURD_FD_PORT_USE_CANCEL): New macros. * sysdeps/hurd/include/hurd/port.h (_hurd_port_use_data): New structure. (_hurd_port_use_cleanup): New prototype. (HURD_PORT_USE_CANCEL): New macro. * hurd/hurd/fd.h (HURD_FD_PORT_USE): Also refer to HURD_FD_PORT_USE_CANCEL. * hurd/hurd.h (__USEPORT): Also refer to __USEPORT_CANCEL. * hurd/hurd/port.h (HURD_PORT_USE): Also refer to HURD_PORT_USE_CANCEL. * hurd/fd-read.c (_hurd_fd_read): Call HURD_FD_PORT_USE_CANCEL instead of HURD_FD_PORT_USE. * hurd/fd-write.c (_hurd_fd_write): Likewise. * sysdeps/mach/hurd/send.c (__send): Call HURD_DPORT_USE_CANCEL instead of HURD_DPORT_USE. * sysdeps/mach/hurd/sendmsg.c (__libc_sendmsg): Likewise. * sysdeps/mach/hurd/sendto.c (__sendto): Likewise. * sysdeps/mach/hurd/recv.c (__recv): Likewise. * sysdeps/mach/hurd/recvfrom.c (__recvfrom): Likewise. * sysdeps/mach/hurd/recvmsg.c (__libc_recvmsg): Call __USEPORT_CANCEL instead of __USEPORT, and HURD_DPORT_USE_CANCEL instead of HURD_DPORT_USE.
* htl: avoid cancelling threads inside critical sectionsSamuel Thibault2020-06-271-0/+9
| | | | | | | | Like hurd_thread_cancel does. * sysdeps/mach/hurd/htl/pt-docancel.c: Include <hurd/signal.h> (__pthread_do_cancel): Lock target thread's critical_section_lock and ss lock around thread mangling.
* hurd: Add mremapSamuel Thibault2020-06-204-1/+185
| | | | | | | * sysdeps/mach/hurd/mremap.c: New file. * sysdeps/mach/hurd/Makefile [misc] (sysdep_routines): Add mremap. * sysdeps/mach/hurd/Versions (libc.GLIBC_2.32): Add mremap. * sysdeps/mach/hurd/i386/libc.abilist: Add mremap.
* New exp10f version without SVID compat wrapperAdhemerval Zanella2020-06-191-0/+1
| | | | | | | | | | | | | | | | | | | | | | | This patch changes the exp10f error handling semantics to only set errno according to POSIX rules. New symbol version is introduced at GLIBC_2.32. The old wrappers are kept for compat symbols. There are some outliers that need special handling: - ia64 provides an optimized implementation of exp10f that uses ia64 specific routines to set SVID compatibility. The new symbol version is aliased to the exp10f one. - m68k also provides an optimized implementation, and the new version uses it instead of the sysdeps/ieee754/flt32 one. - riscv and csky uses the generic template implementation that does not provide SVID support. For both cases a new exp10f version is not added, but rather the symbols version of the generic sysdeps/ieee754/flt32 is adjusted instead. Checked on aarch64-linux-gnu, x86_64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu.
* hurd: Fix __writev_nocancel_nostatusSamuel Thibault2020-06-143-2/+40
| | | | | | | | | | | | | * sysdeps/mach/hurd/Makefile [subdir=misc] (sysdep_routines): Add writev_nocancel writev_nocancel_nostatus. * sysdeps/mach/hurd/not-cancel.h (__writev_nocancel_nostatus): Replace macro with function declaration (with hidden prototype in libc). (__writev_nocancel): New function declaration (with hidden prototype in libc). * sysdeps/mach/hurd/writev_nocancel_nostatus.c: New file. * sysdeps/posix/writev_nocancel.c: New file, includes writev.c to make a nocancel variant that calls __write_nocancel. * sysdeps/posix/writev.c (writev): Do not define alias if __writev is renamed.
* hurd: Make send* cancellation pointsSamuel Thibault2020-06-143-0/+10
| | | | | | | * sysdeps/mach/hurd/send.c (__send): Make the __socket_send call a cancellation point. * sysdeps/mach/hurd/sendto.c (__sendto): Likewise. * sysdeps/mach/hurd/sendmsg.c (__libc_sendmsg): Likewise.
* hurd: Make write and pwrite64 cancellation pointsSamuel Thibault2020-06-149-19/+94
| | | | | | | | | | | | | | | | | | | | | | | | | and add _nocancel variants. * sysdeps/mach/hurd/write.c (__libc_write): Call __write_nocancel surrounded by enabling async cancel, to replace implementation moved to... * sysdeps/mach/hurd/write_nocancel.c (__write_nocancel): ... here. * sysdeps/mach/hurd/pwrite64.c (__libc_pwrite64): Call __pwrite64_nocancel surrounded by enabling async cancel, to replace implementation moved to... * sysdeps/mach/hurd/pwrite64_nocancel.c (__pwrite64_nocancel): ... here. * sysdeps/mach/hurd/Makefile (sysdep_routines): Add write_nocancel and pwrite64_nocancel. * sysdeps/mach/hurd/not-cancel.h (__write_nocancel, __pwrite64_nocancel): Replace macros with prototypes with a hidden proto on libc. * sysdeps/mach/hurd/dl-sysdep.c (__write_nocancel): New alias, check that it is not hidden. * sysdeps/mach/hurd/Versions (libc.GLIBC_PRIVATE): Add __write_nocancel. (ld.GLIBC_PRIVATE): Add __write_nocancel. * sysdeps/mach/hurd/i386/localplt.data (__write_nocancel): Add reference.
* hurd: Make recv* cancellation pointsSamuel Thibault2020-06-143-12/+38
| | | | | | | | | | * sysdeps/mach/hurd/recv.c (__recv): Make the __socket_recv call cancellable. * sysdeps/mach/hurd/recvfrom.c (__recvfrom): Make the __socket_recv and __socket_whatis_address calls cancellable. * sysdeps/mach/hurd/recvmsg.c (__libc_recvmsg): Make the __socket_recv, __socket_whatis_address, __io_reauthenticate, and __auth_user_authenticate calls cancellable.
* hurd: document that gcc&gdb look at the trampoline codeSamuel Thibault2020-06-081-1/+5
| | | | | * sysdeps/mach/hurd/i386/trampoline.c (rpc_wait_trampoline): Document which gcc and gdb files look at the code of the trampoline.
* htl: Fix tls initialization for already-created threadsSamuel Thibault2020-06-071-0/+3
| | | | | | | | | * sysdeps/htl/pthreadP.h: Include <link.h> (__pthread_init_static_tls): New prototype. * htl/pt-alloc.c (__pthread_init_static_tls): New function. * sysdeps/mach/hurd/htl/pt-sysdep.c (_init_routine): Initialize tcb field of initial thread. Set GL(dl_init_static_tls) to &__pthread_init_static_tls.
* hurd: Make read and pread64 cancellableSamuel Thibault2020-06-0710-21/+106
| | | | | | | | | | | | | | | | | | | | | | | | | | | and add _nocancel variants. * sysdeps/mach/hurd/pread64.c (__libc_pread64): Call __pread64_nocancel surrounded by enabling async cancel, to replace implementation moved to... * sysdeps/mach/hurd/pread64_nocancel.c (__pread64_nocancel): ... here. * sysdeps/mach/hurd/read.c (__libc_read): Call __read_nocancel surrounded by enabling async cancel, to replace implementation moved to... * sysdeps/mach/hurd/read_nocancel.c (__read_nocancel): ... here. * sysdeps/mach/hurd/Makefile (sysdep_routines): Add read_nocancel and pread64_nocancel. * sysdeps/mach/hurd/not-cancel.h (__read_nocancel, __pread64_nocancel): Replace macros with prototypes with a hidden proto on libc. * sysdeps/mach/hurd/dl-sysdep.c: Include <not-cancel.h>. (__pread64_nocancel): New alias, check that it is not hidden. (__read_nocancel): New alias, check that it is not hidden. * sysdeps/mach/hurd/Versions (libc.GLIBC_PRIVATE): Add __read_nocancel and __pread64_nocancel. (ld.GLIBC_2.1): Add __pread64. (ld.GLIBC_PRIVATE): Add __read_nocancel and __pread64_nocancel. * sysdeps/mach/hurd/i386/ld.abilist (__pread64): Add symbol. * sysdeps/mach/hurd/i386/localplt.data (__read_nocancel, __pread64, __pread64_nocancel): Add references.
* hurd: Fix unwinding over interruptible RPCSamuel Thibault2020-06-071-0/+2
| | | | | * sysdeps/mach/hurd/i386/intr-msg.h (INTR_MSG_TRAP): Set CFA register to %ecx while %esp is altered.
* htl: Enable but XFAIL tst-flock2, tst-signal1, tst-signal2Samuel Thibault2020-06-071-0/+3
| | | | | | | | | | | They need setpshared support. * nptl/tst-flock2.c, tst-signal1.c, tst-signal2.c: Move to... * sysdeps/pthread: ... here. * nptl/Makefile: Move corresponding tests references to... * sysdeps/pthread/Makefile: ... here. * sysdeps/mach/hurd/i386/Makefile (test-xfail-tst-flock2, test-xfail-tst-signal1, test-xfail-tst-signal2): Add.
* hurd: XFAIL more tests that require setpshared supportSamuel Thibault2020-06-071-0/+3
| | | | | * sysdeps/mach/hurd/i386/Makefile (test-xfail-tst-pututxline-cache, test-xfail-tst-pututxline-lockfail, test-xfail-tst-mallocfork2): Add.
* hurd: Briefly document in xfails the topics of the bugzilla entriesSamuel Thibault2020-06-071-0/+6
| | | | * sysdeps/mach/hurd/i386/Makefile: Add comments.
* htl: Add sem_clockwait supportSamuel Thibault2020-06-071-0/+1
| | | | | | | | | | | | | * sysdeps/htl/sem-timedwait.c (__sem_timedwait_internal): Add clock_id parameter instead of hardcoding CLOCK_REALTIME. (__sem_clockwait): New function. (sem_clockwait): New weak alias. * sysdeps/htl/sem-wait.c (__sem_timedwait_internal): Update declaration. (__sem_wait): Update call to __sem_timedwait_internal. * htl/Versions (GLIBC_2.32): Add sem_clockwait. * sysdeps/mach/hurd/i386/libpthread.abilist (sem_clockwait): Add symbol. * nptl/Makefile (tests): Move tst-sem5 to... * sysdeps/pthread/Makefile (tests): ... here.
* hurd: fix clearing SS_ONSTACK when longjmp-ing from sighandlerSamuel Thibault2020-06-063-32/+126
| | | | | | | | | | | * sysdeps/i386/htl/Makefile: New file. * sysdeps/i386/htl/tcb-offsets.sym: New file. * sysdeps/mach/hurd/i386/Makefile [setjmp] (gen-as-const-headers): Add signal-defines.sym. * sysdeps/mach/hurd/i386/____longjmp_chk.S: Include tcb-offsets.h. (____longjmp_chk): Harmonize with i386's __longjmp. Clear SS_ONSTACK when jumping off the alternate stack. * sysdeps/mach/hurd/i386/__longjmp.S: New file.
* hurd: Add pointer guard supportSamuel Thibault2020-06-061-0/+7
| | | | | * sysdeps/mach/hurd/i386/tls.h (THREAD_SET_POINTER_GUARD, THREAD_COPY_POINTER_GUARD): New macros.
* hurd: Add stack guard supportSamuel Thibault2020-06-062-1/+9
| | | | | | * sysdeps/mach/hurd/i386/tls.h (THREAD_SET_STACK_GUARD, THREAD_COPY_STACK_GUARD): New macros * sysdeps/mach/hurd/i386/ld.abilist (__stack_chk_guard): Remove symbol.
* htl: Make pthread_cond_destroy wait for threads to be wokenSamuel Thibault2020-06-011-0/+11
| | | | | | | | | | | | | | | | | | This allows to reuse the storage after calling pthread_cond_destroy. * sysdeps/htl/bits/types/struct___pthread_cond.h (__pthread_cond): Replace unused struct __pthread_condimpl *__impl field with unsigned int __wrefs. (__PTHREAD_COND_INITIALIZER): Update accordingly. * sysdeps/htl/pt-cond-timedwait.c (__pthread_cond_timedwait_internal): Register as waiter in __wrefs field. On unregistering, wake any pending pthread_cond_destroy. * sysdeps/htl/pt-cond-destroy.c (__pthread_cond_destroy): Register wake request in __wrefs. * nptl/Makefile (tests): Move tst-cond20 tst-cond21 to... * sysdeps/pthread/Makefile (tests): ... here. * nptl/tst-cond20.c nptl/tst-cond21.c: Move to... * sysdeps/pthread/tst-cond20.c sysdeps/pthread/tst-cond21.c: ... here.
* hurd: Fix fexecveSamuel Thibault2020-05-281-3/+16
| | | | | * sysdeps/mach/hurd/fexecve.c (fexecve): Re-lookup fd with O_EXEC before calling _hurd_exec_paths.
* hurd: fix ptsname error when called on a non-ttySamuel Thibault2020-05-281-1/+5
| | | | | * sysdeps/mach/hurd/ptsname.c (__ptsname_internal): Replace not-supported errors from __term_get_peername with ENOTTY.
* hurd: Fix fdopendir checking for directory typeSamuel Thibault2020-05-281-1/+1
| | | | | * sysdeps/mach/hurd/fdopendir.c (__fdopendir): Lookup "./" instead of "/" that would designate the root of the filesystem.
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