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- /* Copyright (C) 1993, 1994 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 <sysdep.h>
-
- 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 8(%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
-