sysdeps/unix/sysv/linux/hppa/arch-fork.h

   1 /* ARCH_FORK definition for Linux fork implementation.  HPPA version.
   2    Copyright (C) 2005-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library.  If not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <sched.h>
  20 #include <signal.h>
  21 #include <sysdep.h>
  22 #include <tls.h>
  23
  24 /* Argument 1 - Clone flags.
  25             2 - Child stack pointer.
  26             3 - Parent tid pointer.
  27             4 - New TLS area pointer.
  28             5 - Child tid pointer. */
  29 #define ARCH_FORK() \
  30   INLINE_SYSCALL (clone, 5,                                             \
  31                   CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD,  \
  32                   NULL, NULL, NULL, &THREAD_SELF->tid)