libsyscall/wrappers/sfi.c

   1 /*
   2  * Copyright (c) 2013 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
  24 #include <sys/errno.h>
  25 #include <sys/sfi.h>
  26 #include <sys/types.h>
  27 #include <unistd.h>
  28
  29 int
  30 system_set_sfi_window(uint64_t sfi_window_usec)
  31 {
  32         return __sfi_ctl(SFI_CTL_OPERATION_SFI_SET_WINDOW, 0, sfi_window_usec, NULL);
  33 }
  34
  35 int
  36 system_get_sfi_window(uint64_t *sfi_window_usec)
  37 {
  38         return __sfi_ctl(SFI_CTL_OPERATION_SFI_GET_WINDOW, 0, 0, sfi_window_usec);
  39 }
  40
  41 int
  42 sfi_set_class_offtime(sfi_class_id_t class_id, uint64_t offtime_usec)
  43 {
  44         return __sfi_ctl(SFI_CTL_OPERATION_SET_CLASS_OFFTIME, class_id, offtime_usec, NULL);
  45 }
  46
  47 int
  48 sfi_get_class_offtime(sfi_class_id_t class_id, uint64_t *offtime_usec)
  49 {
  50         return __sfi_ctl(SFI_CTL_OPERATION_GET_CLASS_OFFTIME, class_id, 0, offtime_usec);
  51 }
  52
  53 int
  54 sfi_process_set_flags(pid_t pid, uint32_t flags)
  55 {
  56         return __sfi_pidctl(SFI_PIDCTL_OPERATION_PID_SET_FLAGS, pid, flags, NULL);
  57 }
  58
  59 int
  60 sfi_process_get_flags(pid_t pid, uint32_t *flags)
  61 {
  62         return __sfi_pidctl(SFI_PIDCTL_OPERATION_PID_GET_FLAGS, pid, 0, flags);
  63 }