/* Copyright (C) 1993 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include ENTRY (__waitpid) /* The `waitpid' system call is distinguished from plain `wait' by setting lots of bits in the processor flags. */ pushfl /* Push the flags word. */ popl %eax /* Pop it into the accumulator. */ orl $0x8c4, %eax /* Set lots of bits. */ pushl $eax /* Push the new flags word. */ popfl /* Pop it into the flags. */ DO_CALL (wait, 2) movl 4(%esp), scratch /* Put status pointer in scratch register. */ testl scratch, scratch /* Is it non-nil? */ je null movl r1, (scratch) /* Yes; store the status there. */ null: ret