diff options
Diffstat (limited to 'sys/kern/kern_sig.c')
| -rw-r--r-- | sys/kern/kern_sig.c | 46 |
1 files changed, 1 insertions, 45 deletions
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c index c0b5f18dc3f..97870a3dff8 100644 --- a/sys/kern/kern_sig.c +++ b/sys/kern/kern_sig.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_sig.c,v 1.124 2011/07/07 18:11:24 art Exp $ */ +/* $OpenBSD: kern_sig.c,v 1.125 2011/07/09 05:31:26 matthew Exp $ */ /* $NetBSD: kern_sig.c,v 1.54 1996/04/22 01:38:32 christos Exp $ */ /* @@ -470,50 +470,6 @@ sys_sigsuspend(struct proc *p, void *v, register_t *retval) return (EINTR); } -/* ARGSUSED */ -int -sys_osigaltstack(struct proc *p, void *v, register_t *retval) -{ - struct sys_osigaltstack_args /* { - syscallarg(const struct osigaltstack *) nss; - syscallarg(struct osigaltstack *) oss; - } */ *uap = v; - struct osigaltstack ss; - const struct osigaltstack *nss; - struct osigaltstack *oss; - int error; - - nss = SCARG(uap, nss); - oss = SCARG(uap, oss); - - if (oss) { - ss.ss_sp = p->p_sigstk.ss_sp; - ss.ss_size = p->p_sigstk.ss_size; - ss.ss_flags = p->p_sigstk.ss_flags; - if ((error = copyout(&ss, oss, sizeof(ss)))) - return (error); - } - if (nss == NULL) - return (0); - error = copyin(nss, &ss, sizeof(ss)); - if (error) - return (error); - if (p->p_sigstk.ss_flags & SS_ONSTACK) - return (EPERM); - if (ss.ss_flags & ~SS_DISABLE) - return (EINVAL); - if (ss.ss_flags & SS_DISABLE) { - p->p_sigstk.ss_flags = ss.ss_flags; - return (0); - } - if (ss.ss_size < MINSIGSTKSZ) - return (ENOMEM); - p->p_sigstk.ss_sp = ss.ss_sp; - p->p_sigstk.ss_size = ss.ss_size; - p->p_sigstk.ss_flags = ss.ss_flags; - return (0); -} - int sys_sigaltstack(struct proc *p, void *v, register_t *retval) { |