4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
25 #include "libzfs_impl.h"
28 #define F_SETPIPE_SZ (F_SETLEASE + 7)
29 #endif /* F_SETPIPE_SZ */
32 #define F_GETPIPE_SZ (F_GETLEASE + 7)
33 #endif /* F_GETPIPE_SZ */
36 libzfs_set_pipe_max(int infd)
38 FILE *procf = fopen("/proc/sys/fs/pipe-max-size", "r");
41 unsigned long max_psize;
43 if (fscanf(procf, "%lu", &max_psize) > 0) {
44 cur_psize = fcntl(infd, F_GETPIPE_SZ);
46 max_psize > (unsigned long) cur_psize)
47 fcntl(infd, F_SETPIPE_SZ,