1 /* $NetBSD: Ovfork.S,v 1.4 2002/07/30 06:07:59 matt Exp $ */
6 * r4 == 0 in parent process, 1 in child process.
7 * r3 == pid of child in parent, pid of parent in child.
12 WARN_REFERENCES(vfork, \
13 "warning: reference to compatibility vfork(); include <unistd.h> for correct reference")
16 addi %r4,%r4,-1 # from 1 to 0 in child, 0 to -1 in parent
17 and %r3,%r3,%r4 # return 0 in child, pid in parent