path: root/po/ru/man2/membarrier.2.po

# Russian translation of manpages
# This file is distributed under the same license as the manpages-l10n package.
# Copyright © of this file:
# aereiae <aereiae@gmail.com>, 2014.
# Alexey <a.chepugov@gmail.com>, 2015.
# Azamat Hackimov <azamat.hackimov@gmail.com>, 2013-2017.
# Dmitriy S. Seregin <dseregin@59.ru>, 2013.
# Dmitry Bolkhovskikh <d20052005@yandex.ru>, 2017.
# ITriskTI <ITriskTI@gmail.com>, 2013.
# Max Is <ismax799@gmail.com>, 2016.
# Yuri Kozlov <yuray@komyakino.ru>, 2011-2019.
# Иван Павлов <pavia00@gmail.com>, 2017.
# Малянов Евгений Викторович <maljanow@outlook.com>, 2014.
msgid ""
msgstr ""
"Project-Id-Version: manpages-l10n\n"
"POT-Creation-Date: 2024-06-01 06:02+0200\n"
"PO-Revision-Date: 2019-10-06 08:59+0300\n"
"Last-Translator: Yuri Kozlov <yuray@komyakino.ru>\n"
"Language-Team: Russian <man-pages-ru-talks@lists.sourceforge.net>\n"
"Language: ru\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
"%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || (n"
"%100>=11 && n%100<=14)? 2 : 3);\n"
"X-Generator: Lokalize 2.0\n"

#. type: TH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "membarrier"
msgstr "membarrier"

#. type: TH
#: archlinux debian-unstable opensuse-tumbleweed
#, no-wrap
msgid "2024-05-02"
msgstr "2 мая 2024 г."

#. type: TH
#: archlinux debian-unstable
#, fuzzy, no-wrap
#| msgid "Linux man-pages 6.7"
msgid "Linux man-pages 6.8"
msgstr "Linux man-pages 6.7"

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "NAME"
msgstr "ИМЯ"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "membarrier - issue memory barriers on a set of threads"
msgstr "membarrier - задаёт барьеры памяти в наборе нитей"

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "LIBRARY"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Standard C library (I<libc>, I<-lc>)"
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "SYNOPSIS"
msgstr "СИНТАКСИС"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
"B<#include E<lt>linux/membarrier.hE<gt>> /* Definition of B<MEMBARRIER_*> constants */\n"
"B<#include E<lt>sys/syscall.hE<gt>>      /* Definition of B<SYS_*> constants */\n"
"B<#include E<lt>unistd.hE<gt>>\n"
msgstr ""
"B<#include E<lt>linux/membarrier.hE<gt>> /* определения констант B<MEMBARRIER_*> */\n"
"B<#include E<lt>sys/syscall.hE<gt>>      /* определения констант B<SYS_*> */\n"
"B<#include E<lt>unistd.hE<gt>>\n"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<int syscall(SYS_membarrier, int >I<cmd>B<, unsigned int >I<flags>B<, int >I<cpu_id>B<);>\n"
msgstr "B<int syscall(SYS_membarrier, int >I<cmd>B<, unsigned int >I<flags>B<, int >I<cpu_id>B<);>\n"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<Note>: glibc provides no wrapper for B<membarrier>(), necessitating the "
"use of B<syscall>(2)."
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "DESCRIPTION"
msgstr "ОПИСАНИЕ"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<membarrier>()  system call helps reducing the overhead of the memory "
"barrier instructions required to order memory accesses on multi-core "
"systems.  However, this system call is heavier than a memory barrier, so "
"using it effectively is I<not> as simple as replacing memory barriers with "
"this system call, but requires understanding of the details below."
msgstr ""
"Системный вызов B<membarrier>() помогает сократить накладные расходы "
"инструкций барьера памяти, которые требуются при доступе к памяти в "
"многоядерных системах. Однако данный системный вызов затратнее чем барьер "
"памяти, поэтому чтобы использовать его эффективно I<недостаточно> просто "
"заменить им барьеры памяти, требуется понимание описанного далее."

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Use of memory barriers needs to be done taking into account that a memory "
"barrier always needs to be either matched with its memory barrier "
"counterparts, or that the architecture's memory model doesn't require the "
"matching barriers."
msgstr ""
"При использовании барьеров памяти нужно принимать во внимание, что барьер "
"памяти всегда должен или иметь противоположную сторону барьера, или что "
"модель памяти архитектуры этого не требует."

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"There are cases where one side of the matching barriers (which we will refer "
"to as \"fast side\") is executed much more often than the other (which we "
"will refer to as \"slow side\").  This is a prime target for the use of "
"B<membarrier>().  The key idea is to replace, for these matching barriers, "
"the fast-side memory barriers by simple compiler barriers, for example:"
msgstr ""
"При работе бывает, что одна сторона барьера (которую будем называть «быстрой "
"стороной») применяется чаще чем другая (которую будем называть «медленной "
"стороной»). Это основная цель использования B<membarrier>(). Основная идея в "
"замене этих барьеров: быстрые стороны барьеров — простыми барьерами "
"компилятора:"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "asm volatile (\"\" : : : \"memory\")\n"
msgstr "asm volatile (\"\" : : : \"memory\")\n"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "and replace the slow-side memory barriers by calls to B<membarrier>()."
msgstr "а медленные стороны барьеров — вызовами B<membarrier>()."

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This will add overhead to the slow side, and remove overhead from the fast "
"side, thus resulting in an overall performance increase as long as the slow "
"side is infrequent enough that the overhead of the B<membarrier>()  calls "
"does not outweigh the performance gain on the fast side."
msgstr ""
"Это добавит накладных расходов к медленной стороне и удалит расходы у "
"быстрой стороны, что в результате повысит общую производительность в "
"зависимости от того, как часто используются вызовы B<membarrier>() у "
"медленной стороны, из-за которой возникают издержки, и не перевесит ли это "
"увеличение производительности быстрой стороны."

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The I<cmd> argument is one of the following:"
msgstr "Аргумент I<cmd> может принимать одно из следующих значений:"

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<MEMBARRIER_CMD_QUERY> (since Linux 4.3)"
msgstr "B<MEMBARRIER_CMD_QUERY> (начиная с Linux 4.3)"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Query the set of supported commands.  The return value of the call is a bit "
"mask of supported commands.  B<MEMBARRIER_CMD_QUERY>, which has the value 0, "
"is not itself included in this bit mask.  This command is always supported "
"(on kernels where B<membarrier>()  is provided)."
msgstr ""
"Запросить набор поддерживаемых команд. Возвращаемое вызовом значение "
"представляет собой битовую маску поддерживаемых команд. Сама команда "
"B<MEMBARRIER_CMD_QUERY> имеет значение 0 и не включается в эту маску. Данная "
"команда поддерживается всегда (в ядрах с поддержкой B<membarrier>())."

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<MEMBARRIER_CMD_GLOBAL> (since Linux 4.16)"
msgstr "B<MEMBARRIER_CMD_GLOBAL> (начиная с Linux 4.16)"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Ensure that all threads from all processes on the system pass through a "
"state where all memory accesses to user-space addresses match program order "
"between entry to and return from the B<membarrier>()  system call.  All "
"threads on the system are targeted by this command."
msgstr ""
"Проверить, что все потоки всех процессов в системе прошли через состояние, "
"где все доступы к памяти по адресам пространства пользователя соответствуют "
"программному порядку между входом и возвратом из системного вызова "
"B<membarrier>(). Все потоки в системе являются целью этой команды."

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<MEMBARRIER_CMD_GLOBAL_EXPEDITED> (since Linux 4.16)"
msgstr "B<MEMBARRIER_CMD_GLOBAL_EXPEDITED> (начиная с Linux 4.16)"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Execute a memory barrier on all running threads of all processes that "
"previously registered with B<MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED>."
msgstr ""
"Установить барьер памяти во всех выполняющихся нитях всех процессов, которые "
"были ранее зарегистрированы с помощью "
"B<MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED>."

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Upon return from the system call, the calling thread has a guarantee that "
"all running threads have passed through a state where all memory accesses to "
"user-space addresses match program order between entry to and return from "
"the system call (non-running threads are de facto in such a state).  This "
"guarantee is provided only for the threads of processes that previously "
"registered with B<MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED>."
msgstr ""
"После возврата из системного вызова вызвавшей нити гарантируется, что все "
"выполняющиеся нити прошли через состояние, где все доступы к памяти по "
"адресам пространства пользователя соответствуют программному порядку между "
"входом и возвратом из системного вызова (не выполняющиеся нити уже в таком "
"состоянии). Это гарантируется только для нитей процессов, которые были ранее "
"зарегистрированы с помощью B<MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED>."

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Given that registration is about the intent to receive the barriers, it is "
"valid to invoke B<MEMBARRIER_CMD_GLOBAL_EXPEDITED> from a process that has "
"not employed B<MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED>."
msgstr ""
"Учтите, что регистрация о намерении получать барьеры допускается вызовом "
"B<MEMBARRIER_CMD_GLOBAL_EXPEDITED> только из процесса, который не "
"использовал B<MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED>."

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The \"expedited\" commands complete faster than the non-expedited ones; they "
"never block, but have the downside of causing extra overhead."
msgstr ""
"«Курируемые» (expedited) команды выполняются быстрее чем не курируемые; они "
"никогда не блокируются, но на них приходятся дополнительные издержки."

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED> (since Linux 4.16)"
msgstr "B<MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED> (начиная с Linux 4.16)"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Register the process's intent to receive B<MEMBARRIER_CMD_GLOBAL_EXPEDITED> "
"memory barriers."
msgstr ""
"Зарегистрировать намерение процесса получать барьеры памяти "
"B<MEMBARRIER_CMD_GLOBAL_EXPEDITED>."

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<MEMBARRIER_CMD_PRIVATE_EXPEDITED> (since Linux 4.14)"
msgstr "B<MEMBARRIER_CMD_PRIVATE_EXPEDITED> (начиная с Linux 4.14)"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Execute a memory barrier on each running thread belonging to the same "
"process as the calling thread."
msgstr ""
"Применить барьер памяти на все выполняющиеся нити, принадлежащие тому же "
"процессу, что и вызвавшая нить."

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Upon return from the system call, the calling thread has a guarantee that "
"all its running thread siblings have passed through a state where all memory "
"accesses to user-space addresses match program order between entry to and "
"return from the system call (non-running threads are de facto in such a "
"state).  This guarantee is provided only for threads in the same process as "
"the calling thread."
msgstr ""
"После возврата из системного вызова вызвавшей нити гарантируется, что все "
"выполняющиеся, одноуровневые с ней нити прошли через состояние, где все "
"доступы к памяти по адресам пространства пользователя соответствуют "
"программному порядку между входом и возвратом из системного вызова "
"(невыполняющиеся нити уже в таком состоянии). Это гарантируется только для "
"нитей того же процесса, что и вызвавшая нить."

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A process must register its intent to use the private expedited command "
"prior to using it."
msgstr ""
"Процессу нужно регистрировать своё намерение использовать частную курируемую "
"команду до её использования."

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED> (since Linux 4.14)"
msgstr "B<MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED> (начиная с Linux 4.14)"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Register the process's intent to use B<MEMBARRIER_CMD_PRIVATE_EXPEDITED>."
msgstr ""
"Зарегистрировать намерение процесса использовать "
"B<MEMBARRIER_CMD_PRIVATE_EXPEDITED>."

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE> (since Linux 4.16)"
msgstr "B<MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE> (начиная с Linux 4.16)"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In addition to providing the memory ordering guarantees described in "
"B<MEMBARRIER_CMD_PRIVATE_EXPEDITED>, upon return from system call the "
"calling thread has a guarantee that all its running thread siblings have "
"executed a core serializing instruction.  This guarantee is provided only "
"for threads in the same process as the calling thread."
msgstr ""
"В дополнении к гарантии упорядочивания памяти, описанной в "
"B<MEMBARRIER_CMD_PRIVATE_EXPEDITED>, после возврата из системного вызова "
"вызвавшей нити гарантируется, что все выполняющиеся, одноуровневые с ней "
"нити выполнили ядерную инструкцию сериализации (core serializing "
"instruction). Это гарантируется только для нитей того же процесса, что и "
"вызвавшая нить."

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The \"expedited\" commands complete faster than the non-expedited ones, they "
"never block, but have the downside of causing extra overhead."
msgstr ""
"«Курируемые» (expedited) команды выполняются быстрее чем не курируемые; они "
"никогда не блокируются, но на них приходятся дополнительные издержки."

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A process must register its intent to use the private expedited sync core "
"command prior to using it."
msgstr ""
"Процессу нужно регистрировать своё намерение использовать частную курируемую "
"ядерную команду синхронизации до её использования."

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE> (since Linux 4.16)"
msgstr "B<MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE> (начиная с Linux 4.16)"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Register the process's intent to use "
"B<MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE>."
msgstr ""
"Зарегистрировать намерение процесса использовать "
"B<MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE>."

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ> (since Linux 5.10)"
msgstr "B<MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ> (начиная с Linux 5.10)"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Ensure the caller thread, upon return from system call, that all its running "
"thread siblings have any currently running rseq critical sections restarted "
"if I<flags> parameter is 0; if I<flags> parameter is "
"B<MEMBARRIER_CMD_FLAG_CPU>, then this operation is performed only on CPU "
"indicated by I<cpu_id>.  This guarantee is provided only for threads in the "
"same process as the calling thread."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "RSEQ membarrier is only available in the \"private expedited\" form."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, fuzzy
#| msgid ""
#| "A process must register its intent to use the private expedited command "
#| "prior to using it."
msgid ""
"A process must register its intent to use the private expedited rseq command "
"prior to using it."
msgstr ""
"Процессу нужно регистрировать своё намерение использовать частную курируемую "
"команду до её использования."

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ> (since Linux 5.10)"
msgstr "B<MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ> (начиная с Linux 5.10)"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Register the process's intent to use "
"B<MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ>."
msgstr ""
"Зарегистрировать намерение процесса использовать "
"B<MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ>."

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<MEMBARRIER_CMD_SHARED> (since Linux 4.3)"
msgstr "B<MEMBARRIER_CMD_SHARED> (начиная с Linux 4.3)"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"This is an alias for B<MEMBARRIER_CMD_GLOBAL> that exists for header "
"backward compatibility."
msgstr ""
"Псевдоним B<MEMBARRIER_CMD_GLOBAL>, существует для обратной совместимости в "
"заголовке."

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<flags> argument must be specified as 0 unless the command is "
"B<MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ>, in which case I<flags> can be "
"either 0 or B<MEMBARRIER_CMD_FLAG_CPU>."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<cpu_id> argument is ignored unless I<flags> is "
"B<MEMBARRIER_CMD_FLAG_CPU>, in which case it must specify the CPU targeted "
"by this membarrier command."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"All memory accesses performed in program order from each targeted thread are "
"guaranteed to be ordered with respect to B<membarrier>()."
msgstr ""
"Все доступы к памяти, выполняемые в программном порядке из каждого целевого "
"потока, гарантированно упорядочены в отношении B<membarrier>()."

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If we use the semantic I<barrier()> to represent a compiler barrier forcing "
"memory accesses to be performed in program order across the barrier, and "
"I<smp_mb()> to represent explicit memory barriers forcing full memory "
"ordering across the barrier, we have the following ordering table for each "
"pairing of I<barrier()>, B<membarrier>(), and I<smp_mb()>.  The pair "
"ordering is detailed as (O: ordered, X: not ordered):"
msgstr ""
"Если использовать семантику I<barrier()> для представления барьера "
"компилятора, обеспечивающего доступа к памяти, выполняемого в программном "
"порядке для пересечения барьера, и I<smp_mb()> — для представления явных "
"барьеров памяти, обеспечивающих полный упорядоченный доступ к памяти через "
"барьер, то получится следующая упорядочивающая таблица для каждой пары "
"I<barrier()>, B<membarrier>() и I<smp_mb()>. Наличие порядка в паре показано "
"знаком (O: упорядочено, X: не упорядочено):"

#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "barrier()"
msgstr "barrier()"

#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "smp_mb()"
msgstr "smp_mb()"

#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "membarrier()"
msgstr "membarrier()"

#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "X"
msgstr "X"

#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "O"
msgstr "O"

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "RETURN VALUE"
msgstr "ВОЗВРАЩАЕМОЕ ЗНАЧЕНИЕ"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, fuzzy
#| msgid ""
#| "On success, the B<MEMBARRIER_CMD_QUERY> operation returns a bit mask of "
#| "supported commands, and the B<MEMBARRIER_CMD_GLOBAL>, "
#| "B<MEMBARRIER_CMD_GLOBAL_EXPEDITED>, "
#| "B<MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED>, "
#| "B<MEMBARRIER_CMD_PRIVATE_EXPEDITED>, "
#| "B<MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED>, "
#| "B<MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE>, and "
#| "B<MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE> operations return "
#| "zero.  On error, -1 is returned, and I<errno> is set appropriately."
msgid ""
"On success, the B<MEMBARRIER_CMD_QUERY> operation returns a bit mask of "
"supported commands, and the B<MEMBARRIER_CMD_GLOBAL>, "
"B<MEMBARRIER_CMD_GLOBAL_EXPEDITED>, "
"B<MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED>, "
"B<MEMBARRIER_CMD_PRIVATE_EXPEDITED>, "
"B<MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED>, "
"B<MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE>, and "
"B<MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE> operations return "
"zero.  On error, -1 is returned, and I<errno> is set to indicate the error."
msgstr ""
"При успешном выполнении операции B<MEMBARRIER_CMD_QUERY> возвращается "
"битовая маска поддерживаемых команд, а операции B<MEMBARRIER_CMD_GLOBAL>, "
"B<MEMBARRIER_CMD_GLOBAL_EXPEDITED>, "
"B<MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED>, "
"B<MEMBARRIER_CMD_PRIVATE_EXPEDITED>, "
"B<MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED>, "
"B<MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE> и "
"B<MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE> возвращают ноль. При "
"ошибке возвращается -1 и в I<errno> устанавливается соответствующее значение."

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"For a given command, with I<flags> set to 0, this system call is guaranteed "
"to always return the same value until reboot.  Further calls with the same "
"arguments will lead to the same result.  Therefore, with I<flags> set to 0, "
"error handling is required only for the first call to B<membarrier>()."
msgstr ""
"Для данной команды, если флаг I<flags> равен 0, то системный вызов всегда "
"гарантирует возврат одного и того же значения до перезагрузки. Последующие "
"вызовы с теми же аргументами всегда возвращают тот же результат. Поэтому, "
"если I<flags> равен 0, то обработка ошибок требуется только при первом "
"вызове B<membarrier>()."

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "ERRORS"
msgstr "ОШИБКИ"

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EINVAL>"
msgstr "B<EINVAL>"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<cmd> is invalid, or I<flags> is nonzero, or the B<MEMBARRIER_CMD_GLOBAL> "
"command is disabled because the I<nohz_full> CPU parameter has been set, or "
"the B<MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE> and "
"B<MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE> commands are not "
"implemented by the architecture."
msgstr ""
"Неверное значение I<cmd>, значение I<flags> не равно нулю, отключена команда "
"B<MEMBARRIER_CMD_GLOBAL>, так как указан параметр ЦП I<nohz_full> или "
"команды B<MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE> "
"иB<MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE> не реализованы для "
"архитектуры."

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<ENOSYS>"
msgstr "B<ENOSYS>"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The B<membarrier>()  system call is not implemented by this kernel."
msgstr "Системный вызов B<membarrier>() не реализован в данном ядре."

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EPERM>"
msgstr "B<EPERM>"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The current process was not registered prior to using private expedited "
"commands."
msgstr ""
"Текущий процесс не зарегистрирован до использования частных курируемых "
"команд."

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "STANDARDS"
msgstr "СТАНДАРТЫ"

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid "Linux."
msgstr "Linux."

#. type: SH
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "HISTORY"
msgstr "ИСТОРИЯ"

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
#, fuzzy
#| msgid "Linux"
msgid "Linux 4.3."
msgstr "Linux"

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid "Before Linux 5.10, the prototype was:"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<int membarrier(int >I<cmd>B<, int >I<flags>B<);>\n"
msgstr "B<int membarrier(int >I<cmd>B<, int >I<flags>B<);>\n"

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "NOTES"
msgstr "ПРИМЕЧАНИЯ"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A memory barrier instruction is part of the instruction set of architectures "
"with weakly ordered memory models.  It orders memory accesses prior to the "
"barrier and after the barrier with respect to matching barriers on other "
"cores.  For instance, a load fence can order loads prior to and following "
"that fence with respect to stores ordered by store fences."
msgstr ""
"Инструкция барьера памяти является частью системы команд архитектуры со "
"слабо упорядоченными моделями памяти. Она упорядочивает доступ к памяти до "
"барьера и после барьера в соответствии совпадающими барьерами на других "
"ядрах. Например, загрузка барьера (fence) может упорядочить загрузку до и "
"после этого барьера в соответствии порядком хранилища, установленного "
"барьерами хранилища."

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Program order is the order in which instructions are ordered in the program "
"assembly code."
msgstr ""
"Программный порядок — это порядок, в котором инструкции упорядочены в "
"ассемблерном коде программы."

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Examples where B<membarrier>()  can be useful include implementations of "
"Read-Copy-Update libraries and garbage collectors."
msgstr ""
"Вызов B<membarrier>() может быть полезным для реализации библиотек чтения-"
"копирования-обновления или сборщиков мусора."

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "EXAMPLES"
msgstr "ПРИМЕРЫ"

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Assuming a multithreaded application where \"fast_path()\" is executed very "
"frequently, and where \"slow_path()\" is executed infrequently, the "
"following code (x86) can be transformed using B<membarrier>():"
msgstr ""
"Предполагая, что в многонитевой программе «fast_path()» выполняется очень "
"часто, а «slow_path()» — редко, следующий код (x86) можно преобразовать "
"используя B<membarrier>():"

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid ""
"#include E<lt>stdlib.hE<gt>\n"
"\\&\n"
"static volatile int a, b;\n"
"\\&\n"
"static void\n"
"fast_path(int *read_b)\n"
"{\n"
"    a = 1;\n"
"    asm volatile (\"mfence\" : : : \"memory\");\n"
"    *read_b = b;\n"
"}\n"
"\\&\n"
"static void\n"
"slow_path(int *read_a)\n"
"{\n"
"    b = 1;\n"
"    asm volatile (\"mfence\" : : : \"memory\");\n"
"    *read_a = a;\n"
"}\n"
"\\&\n"
"int\n"
"main(void)\n"
"{\n"
"    int read_a, read_b;\n"
"\\&\n"
"    /*\n"
"     * Real applications would call fast_path() and slow_path()\n"
"     * from different threads. Call those from main() to keep\n"
"     * this example short.\n"
"     */\n"
"\\&\n"
"    slow_path(&read_a);\n"
"    fast_path(&read_b);\n"
"\\&\n"
"    /*\n"
"     * read_b == 0 implies read_a == 1 and\n"
"     * read_a == 0 implies read_b == 1.\n"
"     */\n"
"\\&\n"
"    if (read_b == 0 && read_a == 0)\n"
"        abort();\n"
"\\&\n"
"    exit(EXIT_SUCCESS);\n"
"}\n"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The code above transformed to use B<membarrier>()  becomes:"
msgstr "Этот же код, переписанный с использованием B<membarrier>():"

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid ""
"#define _GNU_SOURCE\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
"#include E<lt>sys/syscall.hE<gt>\n"
"#include E<lt>linux/membarrier.hE<gt>\n"
"\\&\n"
"static volatile int a, b;\n"
"\\&\n"
"static int\n"
"membarrier(int cmd, unsigned int flags, int cpu_id)\n"
"{\n"
"    return syscall(__NR_membarrier, cmd, flags, cpu_id);\n"
"}\n"
"\\&\n"
"static int\n"
"init_membarrier(void)\n"
"{\n"
"    int ret;\n"
"\\&\n"
"    /* Check that membarrier() is supported. */\n"
"\\&\n"
"    ret = membarrier(MEMBARRIER_CMD_QUERY, 0, 0);\n"
"    if (ret E<lt> 0) {\n"
"        perror(\"membarrier\");\n"
"        return -1;\n"
"    }\n"
"\\&\n"
"    if (!(ret & MEMBARRIER_CMD_GLOBAL)) {\n"
"        fprintf(stderr,\n"
"            \"membarrier does not support MEMBARRIER_CMD_GLOBAL\\en\");\n"
"        return -1;\n"
"    }\n"
"\\&\n"
"    return 0;\n"
"}\n"
"\\&\n"
"static void\n"
"fast_path(int *read_b)\n"
"{\n"
"    a = 1;\n"
"    asm volatile (\"\" : : : \"memory\");\n"
"    *read_b = b;\n"
"}\n"
"\\&\n"
"static void\n"
"slow_path(int *read_a)\n"
"{\n"
"    b = 1;\n"
"    membarrier(MEMBARRIER_CMD_GLOBAL, 0, 0);\n"
"    *read_a = a;\n"
"}\n"
"\\&\n"
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
"    int read_a, read_b;\n"
"\\&\n"
"    if (init_membarrier())\n"
"        exit(EXIT_FAILURE);\n"
"\\&\n"
"    /*\n"
"     * Real applications would call fast_path() and slow_path()\n"
"     * from different threads. Call those from main() to keep\n"
"     * this example short.\n"
"     */\n"
"\\&\n"
"    slow_path(&read_a);\n"
"    fast_path(&read_b);\n"
"\\&\n"
"    /*\n"
"     * read_b == 0 implies read_a == 1 and\n"
"     * read_a == 0 implies read_b == 1.\n"
"     */\n"
"\\&\n"
"    if (read_b == 0 && read_a == 0)\n"
"        abort();\n"
"\\&\n"
"    exit(EXIT_SUCCESS);\n"
"}\n"
msgstr ""

#. type: TH
#: debian-bookworm
#, no-wrap
msgid "2022-12-15"
msgstr "15 декабря 2022 г."

#. type: TH
#: debian-bookworm
#, no-wrap
msgid "Linux man-pages 6.03"
msgstr "Linux man-pages 6.03"

#. type: SH
#: debian-bookworm
#, no-wrap
msgid "VERSIONS"
msgstr "ВЕРСИИ"

#. type: Plain text
#: debian-bookworm
msgid "The B<membarrier>()  system call was added in Linux 4.3."
msgstr "Системный вызов B<membarrier>()  впервые появился в Linux версии 4.3."

#. type: Plain text
#: debian-bookworm
msgid "Before Linux 5.10, the prototype for B<membarrier>()  was:"
msgstr ""

#.  .SH SEE ALSO
#.  FIXME See if the following syscalls make it into Linux 4.15 or later
#.  .BR cpu_opv (2),
#.  .BR rseq (2)
#. type: Plain text
#: debian-bookworm
msgid "B<membarrier>()  is Linux-specific."
msgstr "Вызов B<membarrier>() есть только в Linux."

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid "#include E<lt>stdlib.hE<gt>\n"
msgstr "#include E<lt>stdlib.hE<gt>\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid "static volatile int a, b;\n"
msgstr "static volatile int a, b;\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"static void\n"
"fast_path(int *read_b)\n"
"{\n"
"    a = 1;\n"
"    asm volatile (\"mfence\" : : : \"memory\");\n"
"    *read_b = b;\n"
"}\n"
msgstr ""
"static void\n"
"fast_path(int *read_b)\n"
"{\n"
"    a = 1;\n"
"    asm volatile (\"mfence\" : : : \"memory\");\n"
"    *read_b = b;\n"
"}\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"static void\n"
"slow_path(int *read_a)\n"
"{\n"
"    b = 1;\n"
"    asm volatile (\"mfence\" : : : \"memory\");\n"
"    *read_a = a;\n"
"}\n"
msgstr ""
"static void\n"
"slow_path(int *read_a)\n"
"{\n"
"    b = 1;\n"
"    asm volatile (\"mfence\" : : : \"memory\");\n"
"    *read_a = a;\n"
"}\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"int\n"
"main(void)\n"
"{\n"
"    int read_a, read_b;\n"
msgstr ""
"int\n"
"main(void)\n"
"{\n"
"    int read_a, read_b;\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    /*\n"
"     * Real applications would call fast_path() and slow_path()\n"
"     * from different threads. Call those from main() to keep\n"
"     * this example short.\n"
"     */\n"
msgstr ""
"    /*\n"
"     * В реальных приложениях вызовы fast_path() и slow_path()\n"
"     * были бы в разных нитях. Их вызов из main() сделан только\n"
"     * для укорачивания данного примера.\n"
"     */\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    slow_path(&read_a);\n"
"    fast_path(&read_b);\n"
msgstr ""
"    slow_path(&read_a);\n"
"    fast_path(&read_b);\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    /*\n"
"     * read_b == 0 implies read_a == 1 and\n"
"     * read_a == 0 implies read_b == 1.\n"
"     */\n"
msgstr ""
"    /*\n"
"     * read_b == 0 подразумевает read_a == 1 и\n"
"     * read_a == 0 подразумевает read_b == 1.\n"
"     */\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    if (read_b == 0 && read_a == 0)\n"
"        abort();\n"
msgstr ""
"    if (read_b == 0 && read_a == 0)\n"
"        abort();\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    exit(EXIT_SUCCESS);\n"
"}\n"
msgstr ""
"    exit(EXIT_SUCCESS);\n"
"}\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"#define _GNU_SOURCE\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
"#include E<lt>sys/syscall.hE<gt>\n"
"#include E<lt>linux/membarrier.hE<gt>\n"
msgstr ""
"#define _GNU_SOURCE\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
"#include E<lt>sys/syscall.hE<gt>\n"
"#include E<lt>linux/membarrier.hE<gt>\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"static int\n"
"membarrier(int cmd, unsigned int flags, int cpu_id)\n"
"{\n"
"    return syscall(__NR_membarrier, cmd, flags, cpu_id);\n"
"}\n"
msgstr ""
"static int\n"
"membarrier(int cmd, unsigned int flags, int cpu_id)\n"
"{\n"
"    return syscall(__NR_membarrier, cmd, flags, cpu_id);\n"
"}\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"static int\n"
"init_membarrier(void)\n"
"{\n"
"    int ret;\n"
msgstr ""
"static int\n"
"init_membarrier(void)\n"
"{\n"
"    int ret;\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid "    /* Check that membarrier() is supported. */\n"
msgstr "    /* Проверка поддержки в функции membarrier() */\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    ret = membarrier(MEMBARRIER_CMD_QUERY, 0, 0);\n"
"    if (ret E<lt> 0) {\n"
"        perror(\"membarrier\");\n"
"        return -1;\n"
"    }\n"
msgstr ""
"    ret = membarrier(MEMBARRIER_CMD_QUERY, 0, 0);\n"
"    if (ret E<lt> 0) {\n"
"        perror(\"membarrier\");\n"
"        return -1;\n"
"    }\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    if (!(ret & MEMBARRIER_CMD_GLOBAL)) {\n"
"        fprintf(stderr,\n"
"            \"membarrier does not support MEMBARRIER_CMD_GLOBAL\\en\");\n"
"        return -1;\n"
"    }\n"
msgstr ""
"    if (!(ret & MEMBARRIER_CMD_GLOBAL)) {\n"
"        fprintf(stderr,\n"
"            \"membarrier не поддерживает MEMBARRIER_CMD_GLOBAL\\en\");\n"
"        return -1;\n"
"    }\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    return 0;\n"
"}\n"
msgstr ""
"    return 0;\n"
"}\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"static void\n"
"fast_path(int *read_b)\n"
"{\n"
"    a = 1;\n"
"    asm volatile (\"\" : : : \"memory\");\n"
"    *read_b = b;\n"
"}\n"
msgstr ""
"static void\n"
"fast_path(int *read_b)\n"
"{\n"
"    a = 1;\n"
"    asm volatile (\"\" : : : \"memory\");\n"
"    *read_b = b;\n"
"}\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"static void\n"
"slow_path(int *read_a)\n"
"{\n"
"    b = 1;\n"
"    membarrier(MEMBARRIER_CMD_GLOBAL, 0, 0);\n"
"    *read_a = a;\n"
"}\n"
msgstr ""
"static void\n"
"slow_path(int *read_a)\n"
"{\n"
"    b = 1;\n"
"    membarrier(MEMBARRIER_CMD_GLOBAL, 0, 0);\n"
"    *read_a = a;\n"
"}\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
"    int read_a, read_b;\n"
msgstr ""
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
"    int read_a, read_b;\n"

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    if (init_membarrier())\n"
"        exit(EXIT_FAILURE);\n"
msgstr ""
"    if (init_membarrier())\n"
"        exit(EXIT_FAILURE);\n"

#. type: TH
#: fedora-40 fedora-rawhide mageia-cauldron
#, no-wrap
msgid "2023-10-31"
msgstr "31 октября 2023 г."

#. type: TH
#: fedora-40 mageia-cauldron
#, no-wrap
msgid "Linux man-pages 6.06"
msgstr "Linux man-pages 6.06"

#. type: TH
#: fedora-rawhide
#, no-wrap
msgid "Linux man-pages 6.7"
msgstr "Linux man-pages 6.7"

#. type: TH
#: opensuse-leap-15-6
#, no-wrap
msgid "2023-03-30"
msgstr "30 марта 2023 г."

#. type: TH
#: opensuse-leap-15-6
#, no-wrap
msgid "Linux man-pages 6.04"
msgstr "Linux man-pages 6.04"

#. type: TH
#: opensuse-tumbleweed
#, fuzzy, no-wrap
#| msgid "Linux man-pages 6.7"
msgid "Linux man-pages (unreleased)"
msgstr "Linux man-pages 6.7"