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Filter the flag bits we get from Darwin's sigaction when giving them to 

our native sigaction beacause unknown bits cause sigaction to fail with EINVAL.
This commit is contained in:
manu 2002-11-29 13:17:22 +00:00
parent 1fc7ef95dc
commit 65adabf7aa
2 changed files with 8 additions and 6 deletions
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11
sys/compat/darwin/darwin_signal.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: darwin_signal.c,v 1.3 2002/11/27 16:44:01 atatat Exp $ */
/* $NetBSD: darwin_signal.c,v 1.4 2002/11/29 13:17:22 manu Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: darwin_signal.c,v 1.3 2002/11/27 16:44:01 atatat Exp $");
__KERNEL_RCSID(0, "$NetBSD: darwin_signal.c,v 1.4 2002/11/29 13:17:22 manu Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -83,9 +83,10 @@ darwin_sys_sigaction(p, v, retval)
sa.sa_handler = dsa.darwin_sa_handler.__sa_handler;
native_sigset13_to_sigset(&dsa.darwin_sa_mask, &sa.sa_mask);
if (dsa.darwin_sa_mask & DARWIN_SA_USERTRAMP)
DPRINTF(("darwin_sys_sigaction: ignoring SA_USERTRAMP\n"));
sa.sa_flags = dsa.darwin_sa_mask & ~DARWIN_SA_USERTRAMP;
if (dsa.darwin_sa_flags & ~DARWIN_SA_ALLBITS)
DPRINTF(("darwin_sys_sigaction: ignoring bits (flags = %x)\n",
dsa.darwin_sa_flags));
sa.sa_flags = dsa.darwin_sa_flags & DARWIN_SA_ALLBITS;
if ((error = copyout(&sa, nsa, sizeof(sa))) != 0)
return error;

3
sys/compat/darwin/darwin_signal.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: darwin_signal.h,v 1.3 2002/11/27 16:44:01 atatat Exp $ */
/* $NetBSD: darwin_signal.h,v 1.4 2002/11/29 13:17:23 manu Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
@ -40,6 +40,7 @@
#define _DARWIN_DARWIN_H_
#define DARWIN_SA_USERTRAMP 0x0100
#define DARWIN_SA_ALLBITS 0x017f
union darwin_sigval {
int sigval_int;