doc/glibc-functions/initgroups.texi

   1 @node initgroups
   2 @subsection @code{initgroups}
   3 @findex initgroups
   4
   5 LSB specification:@* @url{https://refspecs.linuxbase.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/baselib-initgroups-3.html}
   6
   7 Documentation:
   8 @itemize
   9 @item
  10 @ifinfo
  11 @ref{Setting Groups,,Setting the Group IDs,libc},
  12 @end ifinfo
  13 @ifnotinfo
  14 @url{https://www.gnu.org/software/libc/manual/html_node/Setting-Groups.html},
  15 @end ifnotinfo
  16 @item
  17 @uref{https://www.kernel.org/doc/man-pages/online/pages/man3/initgroups.3.html,,man initgroups}.
  18 @end itemize
  19
  20 Gnulib module: ---
  21
  22 Portability problems fixed by Gnulib:
  23 @itemize
  24 @end itemize
  25
  26 Portability problems not fixed by Gnulib:
  27 @itemize
  28 @item
  29 This function is unsafe to call between @code{fork} and @code{exec} if
  30 the parent process is multi-threaded.  Instead, use @code{getgroups} or
  31 @code{getgrouplist} (or use the gnulib module @code{mgetgroups})
  32 before forking, and @code{setgroups} in the child.
  33 @item
  34 This function is missing on some platforms:
  35 mingw, MSVC 14.
  36 @end itemize