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child_return broke Linux fork()

This commit is contained in:
fvdl 1995-10-14 14:06:16 +00:00
parent 79053fd0de
commit 6ce6eef6d8
1 changed files with 11 additions and 1 deletions
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12
sys/arch/i386/i386/trap.c
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@ -1,4 +1,4 @@
/* $NetBSD: trap.c,v 1.87 1995/10/11 04:19:50 mycroft Exp $ */ /* $NetBSD: trap.c,v 1.88 1995/10/14 14:06:16 fvdl Exp $ */
#undef DEBUG #undef DEBUG
#define DEBUG #define DEBUG
@ -653,9 +653,19 @@ child_return(p, frame)
struct proc *p; struct proc *p;
struct trapframe frame; struct trapframe frame;
{ {
#ifdef COMPAT_LINUX
extern struct emul emul_linux_aout, emul_linux_elf;
if (p->p_emul == &emul_linux_aout || p->p_emul == &emul_linux_elf)
frame.tf_eax = frame.tf_edx = 0;
else {
frame.tf_eax = p->p_pid;
frame.tf_edx = 1;
}
#else
frame.tf_eax = p->p_pid; frame.tf_eax = p->p_pid;
frame.tf_edx = 1; frame.tf_edx = 1;
#endif
frame.tf_eflags &= ~PSL_C; frame.tf_eflags &= ~PSL_C;
userret(p, frame.tf_eip, 0); userret(p, frame.tf_eip, 0);