Adding upstream version 4.22.0.upstream/4.22.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 667 insertions, 0 deletions

diff --git a/po/pt_BR/man2/vfork.2.po b/po/pt_BR/man2/vfork.2.po
new file mode 100644
index 00000000..08ded9bb
--- /dev/null
+++ b/po/pt_BR/man2/vfork.2.po
@@ -0,0 +1,667 @@
+# Brazilian Portuguese translation of manpages
+# This file is distributed under the same license as the manpages-l10n package.
+# Copyright © of this file:
+# André Luiz Fassone <lonely_wolf@ig.com.br>, 2001.
+# Marcelo Pereira da Silva <marcelo@pereira.com>, 2001.
+msgid ""
+msgstr ""
+"Project-Id-Version: manpages-l10n\n"
+"POT-Creation-Date: 2024-03-09 15:51+0100\n"
+"PO-Revision-Date: 2001-06-02 19:20-0300\n"
+"Last-Translator: Marcelo Pereira da Silva <marcelo@pereira.com>\n"
+"Language-Team: Brazilian Portuguese <debian-l10n-portuguese@lists.debian."
+"org>\n"
+"Language: pt_BR\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+"X-Generator: Virtaal 1.0.0-beta1\n"
+
+#. type: TH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "vfork"
+msgstr "vfork"
+
+#. type: TH
+#: archlinux fedora-40 fedora-rawhide mageia-cauldron
+#, no-wrap
+msgid "2023-10-31"
+msgstr "31 outubro 2023"
+
+#. type: TH
+#: archlinux fedora-40 fedora-rawhide mageia-cauldron
+#, no-wrap
+msgid "Linux man-pages 6.06"
+msgstr "Linux man-pages 6.06"
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "NAME"
+msgstr "NOME"
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "vfork - create a child process and block parent"
+msgstr "vfork - cria um processo filho e bloqueia o processo pai"
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "LIBRARY"
+msgstr "BIBLIOTECA"
+
+#. 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 "Biblioteca C Padrão (I<libc>, I<-lc>)"
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "SYNOPSIS"
+msgstr "SINOPSE"
+
+#. 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>unistd.hE<gt>>\n"
+msgstr "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
+#, fuzzy, no-wrap
+#| msgid "B<pid_t vfork(void);>"
+msgid "B<pid_t vfork(void);>\n"
+msgstr "B<pid_t vfork(void);>"
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Feature Test Macro Requirements for glibc (see B<feature_test_macros>(7)):"
+msgstr ""
+"Requisitos de macro de teste de recursos para o glibc (consulte "
+"B<feature_test_macros>(7)):"
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid "B<vfork>():"
+msgstr "B<vfork>():"
+
+#.      || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, fuzzy, no-wrap
+#| msgid ""
+#| "_ISOC99_SOURCE || _POSIX_C_SOURCE\\ E<gt>=\\ 200112L\n"
+#| "    || /* Since glibc 2.19: */ _DEFAULT_SOURCE\n"
+#| "    || /* Glibc versions E<lt>= 2.19: */ _BSD_SOURCE || _SVID_SOURCE\n"
+msgid ""
+"    Since glibc 2.12:\n"
+"        (_XOPEN_SOURCE E<gt>= 500) && ! (_POSIX_C_SOURCE E<gt>= 200809L)\n"
+"            || /* Since glibc 2.19: */ _DEFAULT_SOURCE\n"
+"            || /* glibc E<lt>= 2.19: */ _BSD_SOURCE\n"
+"    Before glibc 2.12:\n"
+"        _BSD_SOURCE || _XOPEN_SOURCE E<gt>= 500\n"
+msgstr ""
+"_ISOC99_SOURCE || _POSIX_C_SOURCE\\ E<gt>=\\ 200112L\n"
+"    || /* Desde o glibc 2.19: */ _DEFAULT_SOURCE\n"
+"    || /* Glibc versões E<lt>= 2.19: */ _BSD_SOURCE || _SVID_SOURCE\n"
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "DESCRIPTION"
+msgstr "DESCRIÇÃO"
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Standard description"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, fuzzy
+#| msgid ""
+#| "(From XPG4 / SUSv2 / POSIX draft.)  The I<vfork>()  function has the same "
+#| "effect as I<fork>(), except that the behaviour is undefined if the "
+#| "process created by I<vfork>()  either modifies any data other than a "
+#| "variable of type pid_t used to store the return value from I<vfork>(), or "
+#| "returns from the function in which I<vfork>()  was called, or calls any "
+#| "other function before successfully calling I<_exit>()  or one of the "
+#| "I<exec> family of functions."
+msgid ""
+"(From POSIX.1)  The B<vfork>()  function has the same effect as B<fork>(2), "
+"except that the behavior is undefined if the process created by B<vfork>()  "
+"either modifies any data other than a variable of type I<pid_t> used to "
+"store the return value from B<vfork>(), or returns from the function in "
+"which B<vfork>()  was called, or calls any other function before "
+"successfully calling B<_exit>(2)  or one of the B<exec>(3)  family of "
+"functions."
+msgstr ""
+"(A partir de XPG4 / SUSv2 / rascunho da POSIX.) A função I<vfork>() tem o "
+"mesmo efeito de I<fork>(), exceto que o comportamento é indefinido se o "
+"processo criado por I<vfork>() modifica quaisquer dados diferentes de uma "
+"variável do tipo pid_t usadas para armazenar o valor retornado de "
+"I<vfork>(), ou retornos da função na qual I<vfork>() foi chamada, ou chama "
+"qualquer outra função antes de chamar, com sucesso, I<_exit>() ou umas das "
+"famílias de funções I<exec>."
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Linux description"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, fuzzy
+#| msgid ""
+#| "B<vfork>, just like B<fork>(2), creates a child process of the calling "
+#| "process.  For details and return value and errors, see B<fork>(2)."
+msgid ""
+"B<vfork>(), just like B<fork>(2), creates a child process of the calling "
+"process.  For details and return value and errors, see B<fork>(2)."
+msgstr ""
+"B<vfork>, como B<fork>(2), cria um processo filho do processo solicitante. "
+"Para detalhes, valores devolvidos e erros, veja B<fork>(2)."
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, fuzzy
+#| msgid ""
+#| "B<vfork()> is a special case of B<clone>(2).  It is used to create new "
+#| "processes without copying the page tables of the parent process.  It may "
+#| "be useful in performance sensitive applications where a child will be "
+#| "created which then immediately issues an I<execve()>."
+msgid ""
+"B<vfork>()  is a special case of B<clone>(2).  It is used to create new "
+"processes without copying the page tables of the parent process.  It may be "
+"useful in performance-sensitive applications where a child is created which "
+"then immediately issues an B<execve>(2)."
+msgstr ""
+"B<vfork()> é um caso especial de B<clone>(2). Ele é usado para criar um novo "
+"processo sem copiar as tabelas de página do processo pai. Pode ser útil em "
+"aplicações sensíveis quanto ao desempenho, onde um filho será criado, então, "
+"imediatamente emite um I<execve()>."
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, fuzzy
+#| msgid ""
+#| "B<vfork()> differs from fork in that the parent is suspended until the "
+#| "child makes a call to B<execve>(2)  or B<_exit>(2).  The child shares all "
+#| "memory with its parent, including the stack, until I<execve()> is issued "
+#| "by the child.  The child must not return from the current function or "
+#| "call I<exit()>, but may call I<_exit()>."
+msgid ""
+"B<vfork>()  differs from B<fork>(2)  in that the calling thread is suspended "
+"until the child terminates (either normally, by calling B<_exit>(2), or "
+"abnormally, after delivery of a fatal signal), or it makes a call to "
+"B<execve>(2).  Until that point, the child shares all memory with its "
+"parent, including the stack.  The child must not return from the current "
+"function or call B<exit>(3)  (which would have the effect of calling exit "
+"handlers established by the parent process and flushing the parent's "
+"B<stdio>(3)  buffers), but may call B<_exit>(2)."
+msgstr ""
+"B<vfork()>difere do fork em que o pai é suspenso até que o filho faça uma "
+"chamada para B<execve>(2) ou B<_exit>(2). O filho compartilha toda memória "
+"com seu pai, incluindo a pilha, até que I<execve()> seja emitida pelo filho. "
+"O filho não deve retornar a partir da função atual ou chamada I<exit()>, mas "
+"pode chamar I<_exit()>."
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"As with B<fork>(2), the child process created by B<vfork>()  inherits copies "
+"of various of the caller's process attributes (e.g., file descriptors, "
+"signal dispositions, and current working directory); the B<vfork>()  call "
+"differs only in the treatment of the virtual address space, as described "
+"above."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Signals sent to the parent arrive after the child releases the parent's "
+"memory (i.e., after the child terminates or calls B<execve>(2))."
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "Historic description"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, fuzzy
+#| msgid ""
+#| "Under Linux, I<fork>()  is implemented using copy-on-write pages, so the "
+#| "only penalty incurred by I<fork>()  is the time and memory required to "
+#| "duplicate the parent's page tables, and to create a unique task structure "
+#| "for the child.  However, in the bad old days a I<fork()> would require "
+#| "making a complete copy of the caller's data space, often needlessly, "
+#| "since usually immediately afterwards an I<exec>()  is done. Thus, for "
+#| "greater efficiency, BSD introduced the B<vfork> system call, that did not "
+#| "fully copy the address space of the parent process, but borrowed the "
+#| "parent's memory and thread of control until a call to I<execve>()  or an "
+#| "exit occurred. The parent process was suspended while the child was using "
+#| "its resources.  The use of vfork was tricky - for example, not modifying "
+#| "data in the parent process depended on knowing which variables are held "
+#| "in a register."
+msgid ""
+"Under Linux, B<fork>(2)  is implemented using copy-on-write pages, so the "
+"only penalty incurred by B<fork>(2)  is the time and memory required to "
+"duplicate the parent's page tables, and to create a unique task structure "
+"for the child.  However, in the bad old days a B<fork>(2)  would require "
+"making a complete copy of the caller's data space, often needlessly, since "
+"usually immediately afterward an B<exec>(3)  is done.  Thus, for greater "
+"efficiency, BSD introduced the B<vfork>()  system call, which did not fully "
+"copy the address space of the parent process, but borrowed the parent's "
+"memory and thread of control until a call to B<execve>(2)  or an exit "
+"occurred.  The parent process was suspended while the child was using its "
+"resources.  The use of B<vfork>()  was tricky: for example, not modifying "
+"data in the parent process depended on knowing which variables were held in "
+"a register."
+msgstr ""
+"No Linux, I<fork>() é implementado usando páginas cópia-na-escrita, assim a "
+"única penalidade incorrida por I<fork>() é o tempo e a memória requerida "
+"para duplicar as tabelas de páginas do pai, e para criar uma única estrutura "
+"de tarefas para o filho. De outra forma, nos velhos e maus dias um "
+"I<<fork()> requeria a cópia completa do espaço de dados do solicitante, "
+"freqüentemente desnecessária, desde então, normalmente, imediatamente depois "
+"que um I<exec>() é acabado. Assim, para alta eficiência, BSD introduziu a "
+"chamada de sistema B<vfork>, ela não copia o espaço de endereço "
+"completamente do processo pai, mas obtém emprestando a memória do pai e a "
+"'thread' de controle até que uma chamada para I<execve>() ou a saída "
+"ocorram. O processo pai foi suspendido enquanto o filho estava usando seus "
+"recursos. O uso de vfork era enganador, por exemplo, não modificando dados "
+"no processo pai dependendo de saber quais variáveis são contidas em um "
+"registro."
+
+#. type: SH
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "VERSIONS"
+msgstr "VERSÕES"
+
+#.  In AIXv3.1 vfork is equivalent to fork.
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, fuzzy
+#| msgid ""
+#| "The B<vfork> call may be a bit similar to calls with the same name in "
+#| "other operating systems. The requirements put on B<vfork> by the "
+#| "standards are weaker than those put on B<fork>, so an implementation "
+#| "where the two are synonymous is compliant. In particular, the programmer "
+#| "cannot rely on the parent remaining blocked until a call of I<execve()> "
+#| "or I<_exit()> and cannot rely on any specific behaviour w.r.t. shared "
+#| "memory."
+msgid ""
+"The requirements put on B<vfork>()  by the standards are weaker than those "
+"put on B<fork>(2), so an implementation where the two are synonymous is "
+"compliant.  In particular, the programmer cannot rely on the parent "
+"remaining blocked until the child either terminates or calls B<execve>(2), "
+"and cannot rely on any specific behavior with respect to shared memory."
+msgstr ""
+"A chamada B<vfork> pode ter um bit semelhante para chamadas que tem o mesmo "
+"nome em outros sistemas operacionais. As exigências colocadas no B<vfork> "
+"pelos padrões são mais fracas que as colocadas no B<fork>, assim uma "
+"implementação onde as duas são sinônimos é compatível. Em particular, o "
+"programador não pode confiar que o processo pai permanece bloqueado até que "
+"uma chamada de I<execve()> ou I<_exit()>, e não pode confiar em um "
+"comportamento w.r.t. específico da memória compartilhada."
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-tumbleweed
+#, fuzzy
+#| msgid ""
+#| "It is rather unfortunate that Linux revived this spectre from the past.  "
+#| "The BSD manpage states: \"This system call will be eliminated when proper "
+#| "system sharing mechanisms are implemented. Users should not depend on the "
+#| "memory sharing semantics of I<vfork> as it will, in that case, be made "
+#| "synonymous to I<fork>.\""
+msgid ""
+"Some consider the semantics of B<vfork>()  to be an architectural blemish, "
+"and the 4.2BSD man page stated: \\[lq]This system call will be eliminated "
+"when proper system sharing mechanisms are implemented.  Users should not "
+"depend on the memory sharing semantics of I<vfork> as it will, in that case, "
+"be made synonymous to I<fork>.\\[rq] However, even though modern memory "
+"management hardware has decreased the performance difference between "
+"B<fork>(2)  and B<vfork>(), there are various reasons why Linux and other "
+"systems have retained B<vfork>():"
+msgstr ""
+"É desgraça bastante que o Linux tenha reativado este espectro do passado. O "
+"situação na página de manual do BSD: \"A chamada de sistema será eliminada "
+"quando o sistema que compartilha mecanismos formais são implementados. "
+"Usuários não deveriam depender da semântica de compartilhamento da memória "
+"do I<vfork> como for, neste caso, pode ser feito um sinônimo para I<fork>.\""
+
+#. type: IP
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "\\[bu]"
+msgstr "\\[bu]"
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Some performance-critical applications require the small performance "
+"advantage conferred by B<vfork>()."
+msgstr ""
+
+#.  http://stackoverflow.com/questions/4259629/what-is-the-difference-between-fork-and-vfork
+#.  http://developers.sun.com/solaris/articles/subprocess/subprocess.html
+#.  http://mailman.uclinux.org/pipermail/uclinux-dev/2009-April/000684.html
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"B<vfork>()  can be implemented on systems that lack a memory-management unit "
+"(MMU), but B<fork>(2)  can't be implemented on such systems.  (POSIX.1-2008 "
+"removed B<vfork>()  from the standard; the POSIX rationale for the "
+"B<posix_spawn>(3)  function notes that that function, which provides "
+"functionality equivalent to B<fork>(2)+ B<exec>(3), is designed to be "
+"implementable on systems that lack an MMU.)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"On systems where memory is constrained, B<vfork>()  avoids the need to "
+"temporarily commit memory (see the description of I</proc/sys/vm/"
+"overcommit_memory> in B<proc>(5))  in order to execute a new program.  (This "
+"can be especially beneficial where a large parent process wishes to execute "
+"a small helper program in a child process.)  By contrast, using B<fork>(2)  "
+"in this scenario requires either committing an amount of memory equal to the "
+"size of the parent process (if strict overcommitting is in force)  or "
+"overcommitting memory with the risk that a process is terminated by the out-"
+"of-memory (OOM) killer."
+msgstr ""
+
+#. type: SS
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, fuzzy, no-wrap
+#| msgid "Linux"
+msgid "Linux notes"
+msgstr "Linux"
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Fork handlers established using B<pthread_atfork>(3)  are not called when a "
+"multithreaded program employing the NPTL threading library calls "
+"B<vfork>().  Fork handlers are called in this case in a program using the "
+"LinuxThreads threading library.  (See B<pthreads>(7)  for a description of "
+"Linux threading libraries.)"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"A call to B<vfork>()  is equivalent to calling B<clone>(2)  with I<flags> "
+"specified as:"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, fuzzy, no-wrap
+#| msgid "     CLONE_VM | CLONE_VFORK | SIGCHLD\n"
+msgid " CLONE_VM | CLONE_VFORK | SIGCHLD\n"
+msgstr "     CLONE_VM | CLONE_VFORK | SIGCHLD\n"
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "STANDARDS"
+msgstr "PADRÕES"
+
+#. type: Plain text
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+msgid "None."
+msgstr ""
+
+#. type: SH
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "HISTORY"
+msgstr "HISTÓRICO"
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"4.3BSD; POSIX.1-2001 (but marked OBSOLETE).  POSIX.1-2008 removes the "
+"specification of B<vfork>()."
+msgstr ""
+
+#.  In the release notes for 4.2BSD Sam Leffler wrote: `vfork: Is still
+#.  present, but definitely on its way out'.
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, fuzzy
+#| msgid ""
+#| "The I<vfork>()  system call appeared in 3.0BSD.  In BSD 4.4 it was made "
+#| "synonymous to I<fork>(), but NetBSD introduced it again, cf. http://www."
+#| "netbsd.org/Documentation/kernel/vfork.html .  In Linux, it has been "
+#| "equivalent to I<fork>()  until 2.2.0-pre6 or so. Since 2.2.0-pre9 (on "
+#| "i386, somewhat later on other architectures) it is an independent system "
+#| "call. Support was added in glibc 2.0.112."
+msgid ""
+"The B<vfork>()  system call appeared in 3.0BSD.  In 4.4BSD it was made "
+"synonymous to B<fork>(2)  but NetBSD introduced it again; see E<.UR http://"
+"www.netbsd.org\\:/Documentation\\:/kernel\\:/vfork.html> E<.UE .> In Linux, "
+"it has been equivalent to B<fork>(2)  until Linux 2.2.0-pre6 or so.  Since "
+"Linux 2.2.0-pre9 (on i386, somewhat later on other architectures) it is an "
+"independent system call.  Support was added in glibc 2.0.112."
+msgstr ""
+"A chamada de sistema I<vfork>() apareceu no BSD 3.0. No BSD 4.4 e foi feito "
+"um sinônimo para I<fork>(), mas o NetBSD a introduziu novamente, cf. http://"
+"www.netbsd.org/Documentation/kernel/vfork.html>. No Linux, é equivalente "
+"para I<fork>() até o 2.2.0-pre6 ou algo assim. Desde o 2.2.0-pre9 (em i386, "
+"um pouco mais tarde em outra arquiteturas) ela é independente da chamada de "
+"sistema. O suporte foi adicionada na glibc 2.0.112."
+
+#. type: SH
+#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
+#: opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "CAVEATS"
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"The child process should take care not to modify the memory in unintended "
+"ways, since such changes will be seen by the parent process once the child "
+"terminates or executes another program.  In this regard, signal handlers can "
+"be especially problematic: if a signal handler that is invoked in the child "
+"of B<vfork>()  changes memory, those changes may result in an inconsistent "
+"process state from the perspective of the parent process (e.g., memory "
+"changes would be visible in the parent, but changes to the state of open "
+"file descriptors would not be visible)."
+msgstr ""
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"When B<vfork>()  is called in a multithreaded process, only the calling "
+"thread is suspended until the child terminates or executes a new program.  "
+"This means that the child is sharing an address space with other running "
+"code.  This can be dangerous if another thread in the parent process changes "
+"credentials (using B<setuid>(2)  or similar), since there are now two "
+"processes with different privilege levels running in the same address "
+"space.  As an example of the dangers, suppose that a multithreaded program "
+"running as root creates a child using B<vfork>().  After the B<vfork>(), a "
+"thread in the parent process drops the process to an unprivileged user in "
+"order to run some untrusted code (e.g., perhaps via plug-in opened with "
+"B<dlopen>(3)).  In this case, attacks are possible where the parent process "
+"uses B<mmap>(2)  to map in code that will be executed by the privileged "
+"child process."
+msgstr ""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "BUGS"
+msgstr "BUGS"
+
+#.  As far as I can tell, the following is not true in Linux 2.6.19:
+#.  Currently (Linux 2.3.25),
+#.  .BR strace (1)
+#.  cannot follow
+#.  .BR vfork ()
+#.  and requires a kernel patch.
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"Details of the signal handling are obscure and differ between systems.  The "
+"BSD man page states: \"To avoid a possible deadlock situation, processes "
+"that are children in the middle of a B<vfork>()  are never sent B<SIGTTOU> "
+"or B<SIGTTIN> signals; rather, output or I<ioctl>s are allowed and input "
+"attempts result in an end-of-file indication.\""
+msgstr ""
+"Detalhes da manipulação de sinais são obscuros e diferem entre sistemas. O "
+"situação na página de manual do BSD: \"Para vitar uma possível situação de "
+"paralisação completa, para processos que são filhos, no meio de um "
+"I<vfork>() nunca devem ser enviados sinais B<SIGTTOU> ou B<SIGTTIN>; saídas "
+"ou I<ioctls> são permitidas e tentativas de entradas resultarão em um "
+"indicação de fim de arquivo.\""
+
+#. type: SH
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+#, no-wrap
+msgid "SEE ALSO"
+msgstr "VEJA TAMBÉM"
+
+#. type: Plain text
+#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
+#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
+msgid ""
+"B<clone>(2), B<execve>(2), B<_exit>(2), B<fork>(2), B<unshare>(2), B<wait>(2)"
+msgstr ""
+"B<clone>(2), B<execve>(2), B<_exit>(2), B<fork>(2), B<unshare>(2), B<wait>(2)"
+
+#. type: TH
+#: debian-bookworm
+#, no-wrap
+msgid "2023-02-05"
+msgstr "5 fevereiro 2023"
+
+#. 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 "NOTES"
+msgstr "NOTAS"
+
+#. type: Plain text
+#: debian-bookworm opensuse-leap-15-6
+#, fuzzy
+#| msgid ""
+#| "It is rather unfortunate that Linux revived this spectre from the past.  "
+#| "The BSD manpage states: \"This system call will be eliminated when proper "
+#| "system sharing mechanisms are implemented. Users should not depend on the "
+#| "memory sharing semantics of I<vfork> as it will, in that case, be made "
+#| "synonymous to I<fork>.\""
+msgid ""
+"Some consider the semantics of B<vfork>()  to be an architectural blemish, "
+"and the 4.2BSD man page stated: \"This system call will be eliminated when "
+"proper system sharing mechanisms are implemented.  Users should not depend "
+"on the memory sharing semantics of B<vfork>()  as it will, in that case, be "
+"made synonymous to B<fork>(2).  \" However, even though modern memory "
+"management hardware has decreased the performance difference between "
+"B<fork>(2)  and B<vfork>(), there are various reasons why Linux and other "
+"systems have retained B<vfork>():"
+msgstr ""
+"É desgraça bastante que o Linux tenha reativado este espectro do passado. O "
+"situação na página de manual do BSD: \"A chamada de sistema será eliminada "
+"quando o sistema que compartilha mecanismos formais são implementados. "
+"Usuários não deveriam depender da semântica de compartilhamento da memória "
+"do I<vfork> como for, neste caso, pode ser feito um sinônimo para I<fork>.\""
+
+#. type: SS
+#: debian-bookworm
+#, no-wrap
+msgid "Caveats"
+msgstr ""
+
+#. type: SS
+#: debian-bookworm
+#, no-wrap
+msgid "History"
+msgstr "História"
+
+#. type: TH
+#: debian-unstable opensuse-tumbleweed
+#, no-wrap
+msgid "2023-07-28"
+msgstr "28 julho 2023"
+
+#. type: TH
+#: debian-unstable opensuse-tumbleweed
+#, no-wrap
+msgid "Linux man-pages 6.05.01"
+msgstr "Linux man-pages 6.05.01"
+
+#. type: TH
+#: opensuse-leap-15-6
+#, no-wrap
+msgid "2023-03-30"
+msgstr "30 março 2023"
+
+#. type: TH
+#: opensuse-leap-15-6
+#, no-wrap
+msgid "Linux man-pages 6.04"
+msgstr "Linux man-pages 6.04"