/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <machine/machine_routines.h>
/* XXX should be elsewhere (cpeak) */
-extern struct proc *i386_current_proc(void);
extern void *get_bsduthreadarg(thread_t);
extern int *get_bsduthreadrval(thread_t);
extern void *find_user_regs(thread_t);
return 0;
}
-/*
- * This is just current_proc() from bsd/kern/bsd_stubs.c, but instead of
- * returning kernproc in the non-vfork() case, it can return NULL. This is
- * needed because the system call entry point is in osfmk/i386/bsd_i386.c
- * instead of bsd/dev/i386, and therefore cannot see some BSD thread
- * internals. We need to distinguish kernproc defaulting in the vfork and
- * non-vfork cases vs. actually being the real process context.
- */
-struct proc *
-i386_current_proc(void)
-{
- struct uthread * ut;
- struct proc *p;
- thread_t thr_act = current_thread();
-
- ut = (struct uthread *)get_bsdthread_info(thr_act);
- if (ut && (ut->uu_flag & UT_VFORK)) {
- if (ut->uu_proc) {
- p = ut->uu_proc;
- if ((p->p_flag & P_INVFORK) == 0)
- panic("returning child proc not under vfork");
- if (p->p_vforkact != (void *)thr_act)
- panic("returning child proc which is not cur_act");
- return(p);
- } else {
- return (kernproc);
- }
- }
-
- /* Not in vfork - may return NULL */
- p = (struct proc *)get_bsdtask_info(current_task());
-
- return (p);
-}
-
void *
get_bsduthreadarg(thread_t th)
{
void *arg_ptr;
- struct uthread *ut;
+struct uthread *ut;
ut = get_bsdthread_info(th);
int *
get_bsduthreadrval(thread_t th)
{
- struct uthread *ut;
+struct uthread *ut;
ut = get_bsdthread_info(th);
return(&ut->uu_rval[0]);