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authorderaadt <deraadt@openbsd.org>1999-06-07 20:46:09 +0000
committerderaadt <deraadt@openbsd.org>1999-06-07 20:46:09 +0000
commit49578dfdb42e71565bfcb3c63f382128b5c33169 (patch)
tree40c89832a9a711395445a61f1e2096906578e122 /sys/kern/sys_pipe.c
parentreturn a ICMP_UNREACH_PROTOCOL for protocols we do not support; discussion with cmetz (diff)
downloadwireguard-openbsd-49578dfdb42e71565bfcb3c63f382128b5c33169.tar.xz
wireguard-openbsd-49578dfdb42e71565bfcb3c63f382128b5c33169.zip
need seperate sys_pipe() versions, for pipeclose() or soclose() calls
Diffstat (limited to 'sys/kern/sys_pipe.c')
-rw-r--r--sys/kern/sys_pipe.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/sys/kern/sys_pipe.c b/sys/kern/sys_pipe.c
index f14e55a005f..3b2633c3155 100644
--- a/sys/kern/sys_pipe.c
+++ b/sys/kern/sys_pipe.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sys_pipe.c,v 1.13 1999/06/07 07:17:42 deraadt Exp $ */
+/* $OpenBSD: sys_pipe.c,v 1.14 1999/06/07 20:46:09 deraadt Exp $ */
/*
* Copyright (c) 1996 John S. Dyson
@@ -151,6 +151,34 @@ void pipespace __P((struct pipe *));
* The pipe system call for the DTYPE_PIPE type of pipes
*/
+int
+sys_pipe(p, v, retval)
+ struct proc *p;
+ void *v;
+ register_t *retval;
+{
+ register struct filedesc *fdp = p->p_fd;
+ register struct sys_pipe_args /* {
+ syscallarg(int *) fdp;
+ } */ *uap = v;
+ int error;
+
+ if ((error = sys_opipe(p, v, retval)) == -1)
+ return (error);
+
+ error = copyout((caddr_t)retval, (caddr_t)SCARG(uap, fdp),
+ 2 * sizeof (int));
+ if (error) {
+ pipeclose((struct pipe *)(fdp->fd_ofiles[retval[0]]->f_data));
+ ffree(fdp->fd_ofiles[retval[0]]);
+ fdp->fd_ofiles[retval[0]] = NULL;
+ pipeclose((struct pipe *)(fdp->fd_ofiles[retval[1]]->f_data));
+ ffree(fdp->fd_ofiles[retval[1]]);
+ fdp->fd_ofiles[retval[1]] = NULL;
+ }
+ return (error);
+}
+
/* ARGSUSED */
int
#if defined(__FreeBSD__)