kc3-lang/gnulib/doc/posix-functions/sigprocmask.texi

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  Date : 2024-10-27T17:01:29
  

  doc: Add a module index.
  
  * doc/Makefile (undocumented-modules.texi): New rule.
  (%.info, %.html, %.dvi, %.pdf): Depend on undocumented-modules.texi.
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  (force): New rule.
  * doc/*.texi: Add module index entries.
  * doc/*/*.texi: Likewise.
  

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• doc/posix-functions/sigprocmask.texi

• @node sigprocmask
  @subsection @code{sigprocmask}
  @findex sigprocmask
  
  POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/sigprocmask.html}
  
  Gnulib module: sigprocmask
  @mindex sigprocmask
  
  Portability problems fixed by Gnulib:
  @itemize
  @item
  This function is missing on some platforms:
  mingw, MSVC 14.
  @end itemize
  
  Portability problems not fixed by Gnulib:
  @itemize
  @item
  In case of failure, the return value is wrong on some platforms:
  @c https://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=57213
  NetBSD 10.0 when libpthread is in use.
  @end itemize
  
  Note: Although @code{sigprocmask} officially has undefined behaviour in
  multi-threaded programs, in practice it is essentially equivalent to
  @code{pthread_sigmask}, with only a difference regarding the error
  return convention.  It's simpler to use @code{sigprocmask}, since it does
  not require linking with @code{-lpthread} on some platforms:
  glibc, NetBSD, OpenBSD, AIX.
  

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