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Add child_return()

This commit is contained in:
gwr 1995-05-24 21:07:46 +00:00
parent 55cb8a7f53
commit bf7679cb99
1 changed files with 19 additions and 1 deletions
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20
sys/arch/sun3/sun3/trap.c
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@ -1,4 +1,4 @@
/* $NetBSD: trap.c,v 1.49 1995/04/26 23:39:04 gwr Exp $ */
/* $NetBSD: trap.c,v 1.50 1995/05/24 21:07:46 gwr Exp $ */
/*
* Copyright (c) 1994 Gordon W. Ross
@ -687,3 +687,21 @@ syscall(code, frame)
ktrsysret(p->p_tracep, code, error, rval[0]);
#endif
}
void
child_return(p)
struct proc *p;
{
struct frame *f;
f = (struct frame *)p->p_md.md_regs;
f->f_regs[D0] = 0;
f->f_sr &= ~PSL_C;
f->f_format = FMT0;
userret(p, f, p->p_sticks, (u_int)0, 0);
#ifdef KTRACE
if (KTRPOINT(p, KTR_SYSRET))
ktrsysret(p->p_tracep, SYS_fork, 0, 0);
#endif
}