usr/src/lib/libc/port/sys/rctlsys.c

   1 /*
   2  * CDDL HEADER START
   3  *
   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.
   7  *
   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.
  12  *
  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]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #pragma weak _getrctl = getrctl
  30 #pragma weak _setrctl = setrctl
  31
  32 #include "lint.h"
  33 #include <sys/types.h>
  34 #include <sys/syscall.h>
  35 #include <sys/rctl.h>
  36
  37 int
  38 getrctl(const char *name, rctlblk_t *old_rblk, rctlblk_t *new_rblk,
  39     int flags)
  40 {
  41         return (syscall(SYS_rctlsys,
  42             0, name, old_rblk, new_rblk, 0, flags));
  43 }
  44
  45 int
  46 setrctl(const char *name, rctlblk_t *old_rblk, rctlblk_t *new_rblk,
  47     int flags)
  48 {
  49         return (syscall(SYS_rctlsys,
  50             1, name, old_rblk, new_rblk, 0, flags));
  51 }
  52
  53 size_t
  54 rctllist(char *list_buf, size_t list_bufsz)
  55 {
  56         sysret_t rval;
  57         int error;
  58
  59         error = __systemcall(&rval, SYS_rctlsys, 2, NULL, list_buf, NULL,
  60             list_bufsz, 0);
  61
  62         if (error)
  63                 (void) __set_errno(error);
  64         return ((size_t)rval.sys_rval1);
  65 }
  66
  67 int
  68 rctlctl(const char *name, rctlblk_t *rblk, int flags)
  69 {
  70         return (syscall(SYS_rctlsys, 3, name, rblk, NULL, 0, flags));
  71 }
  72
  73 int
  74 setprojrctl(const char *name, rctlblk_t *new_rblk, size_t size, int flags)
  75 {
  76         return (syscall(SYS_rctlsys,
  77             4, name, NULL, new_rblk, size, flags));
  78 }