nptl: Move fork into libc

This is part of the libpthread removal project:

   <https://sourceware.org/ml/libc-alpha/2019-10/msg00080.html>

Checked on x86_64-linux-gnu.

3 files changed, 0 insertions, 52 deletions

diff --git a/nptl/Makefile b/nptl/Makefile
index e5d69e8..b51deff 100644
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -114,7 +114,6 @@ libpthread-routines = \
   pt-allocrtsig \
   pt-cleanup \
   pt-fcntl \
-  pt-fork \
   pt-interp \
   pt-longjmp \
   pt-raise \
diff --git a/nptl/Versions b/nptl/Versions
index 186befe..039cff3 100644
--- a/nptl/Versions
+++ b/nptl/Versions
@@ -107,7 +107,6 @@ libpthread {
     __connect;
     __errno_location;
     __fcntl;
-    __fork;
     __h_errno_location;
     __lseek;
     __open;
@@ -138,7 +137,6 @@ libpthread {
     connect;
     fcntl;
     flockfile;
-    fork;
     fsync;
     ftrylockfile;
     funlockfile;
diff --git a/nptl/pt-fork.c b/nptl/pt-fork.c
deleted file mode 100644
index 5d694cd..0000000
--- a/nptl/pt-fork.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/* ABI compatibility for 'fork' symbol in libpthread ABI.
-   Copyright (C) 2002-2021 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#include <unistd.h>
-#include <shlib-compat.h>
-
-/* libpthread once had its own fork, though there was no apparent reason
-   for it.  There is no use in having a separate symbol in libpthread, but
-   the historical ABI requires it.  For static linking, there is no need to
-   provide anything here--the libc version will be linked in.  For shared
-   library ABI compatibility, there must be __fork and fork symbols in
-   libpthread.so.
-
-   With an IFUNC resolver, it would be possible to avoid the
-   indirection, but the IFUNC resolver might run before the
-   __libc_fork symbol has been relocated, in which case the IFUNC
-   resolver would not be able to provide the correct address.  */
-
-#if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_22)
-
-static pid_t __attribute__ ((used))
-fork_compat (void)
-{
-  return __libc_fork ();
-}
-
-strong_alias (fork_compat, fork_alias)
-compat_symbol (libpthread, fork_alias, fork, GLIBC_2_0);
-
-strong_alias (fork_compat, __fork_alias)
-compat_symbol (libpthread, __fork_alias, __fork, GLIBC_2_0);
-
-#endif