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 system_set_sfi_window(uint64_t sfi_window_usec)
  30 {
  31         return __sfi_ctl(SFI_CTL_OPERATION_SFI_SET_WINDOW, 0, sfi_window_usec, NULL);
  32 }
  33
  34 int system_get_sfi_window(uint64_t *sfi_window_usec)
  35 {
  36         return __sfi_ctl(SFI_CTL_OPERATION_SFI_GET_WINDOW, 0, 0, sfi_window_usec);
  37 }
  38
  39 int sfi_set_class_offtime(sfi_class_id_t class_id, uint64_t offtime_usec)
  40 {
  41         return __sfi_ctl(SFI_CTL_OPERATION_SET_CLASS_OFFTIME, class_id, offtime_usec, NULL);
  42 }
  43
  44 int sfi_get_class_offtime(sfi_class_id_t class_id, uint64_t *offtime_usec)
  45 {
  46         return __sfi_ctl(SFI_CTL_OPERATION_GET_CLASS_OFFTIME, class_id, 0, offtime_usec);
  47 }
  48
  49 int sfi_process_set_flags(pid_t pid, uint32_t flags)
  50 {
  51         return __sfi_pidctl(SFI_PIDCTL_OPERATION_PID_SET_FLAGS, pid, flags, NULL);
  52 }
  53
  54 int sfi_process_get_flags(pid_t pid, uint32_t *flags)
  55 {
  56         return __sfi_pidctl(SFI_PIDCTL_OPERATION_PID_GET_FLAGS, pid, 0, flags);
  57 }