libsyscall/wrappers/coalition.c

   1 /*
   2  * Copyright (c) 2012 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 #include <sys/cdefs.h>
  24 #include <sys/types.h>
  25 #include <stdarg.h>
  26 #include <stdint.h>
  27 #include <sys/fcntl.h>
  28 #include <sys/coalition.h>
  29
  30 /* Syscall entry points */
  31 int __coalition(uint32_t operation, uint64_t *cid, uint32_t flags);
  32 int __coalition_info(uint32_t operation, uint64_t *cid, void *buffer, size_t *bufsize);
  33 int __coalition_ledger(uint32_t operation, uint64_t *cid, void *buffer, size_t *bufsize);
  34
  35 int
  36 coalition_create(uint64_t *cid_out, uint32_t flags)
  37 {
  38         return __coalition(COALITION_OP_CREATE, cid_out, flags);
  39 }
  40
  41 int
  42 coalition_terminate(uint64_t cid, uint32_t flags)
  43 {
  44         return __coalition(COALITION_OP_TERMINATE, &cid, flags);
  45 }
  46
  47 int
  48 coalition_reap(uint64_t cid, uint32_t flags)
  49 {
  50         return __coalition(COALITION_OP_REAP, &cid, flags);
  51 }
  52
  53 int
  54 coalition_info_resource_usage(uint64_t cid, struct coalition_resource_usage *cru, size_t sz)
  55 {
  56         return __coalition_info(COALITION_INFO_RESOURCE_USAGE, &cid, cru, &sz);
  57 }
  58
  59 int
  60 coalition_info_set_name(uint64_t cid, const char *name, size_t size)
  61 {
  62         return __coalition_info(COALITION_INFO_SET_NAME, &cid, (void *)name, &size);
  63 }
  64
  65 int
  66 coalition_info_set_efficiency(uint64_t cid, uint64_t flags)
  67 {
  68         size_t size = sizeof(flags);
  69         return __coalition_info(COALITION_INFO_SET_EFFICIENCY, &cid, (void *)&flags, &size);
  70 }
  71
  72 int
  73 coalition_ledger_set_logical_writes_limit(uint64_t cid, int64_t limit)
  74 {
  75         size_t size = sizeof(limit);
  76         return __coalition_ledger(COALITION_LEDGER_SET_LOGICAL_WRITES_LIMIT, &cid, (void *)&limit, &size);
  77 }