diff options
Diffstat (limited to 'sysdeps/unix/sysv/sco3.2.4/waitpid.S')
| -rw-r--r-- | sysdeps/unix/sysv/sco3.2.4/waitpid.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/sco3.2.4/waitpid.S b/sysdeps/unix/sysv/sco3.2.4/waitpid.S new file mode 100644 index 0000000000..523ef37e53 --- /dev/null +++ b/sysdeps/unix/sysv/sco3.2.4/waitpid.S @@ -0,0 +1,36 @@ +/* Copyright (C) 1993, 1994, 1995 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 + +weak_alias (__waitpid, waitpid) |