libsyscall/wrappers/cancelable/fcntl-base.c

   1 /*
   2  * Copyright (c) 2004, 2006 Apple Computer, 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 <stdarg.h>
  24
  25 int __FCNTL(int, int, void *);
  26
  27 /*
  28  * Stub function to account for the differences in the size of the third
  29  * argument when int and void * are different sizes. Also add pthread
  30  * cancelability.
  31  */
  32 int
  33 fcntl(int fd, int cmd, ...)
  34 {
  35         va_list ap;
  36         void *arg;
  37
  38         va_start(ap, cmd);
  39         switch (cmd) {
  40         case F_GETLK:
  41         case F_GETLKPID:
  42         case F_SETLK:
  43         case F_SETLKW:
  44         case F_SETLKWTIMEOUT:
  45         case F_OFD_GETLK:
  46         case F_OFD_GETLKPID:
  47         case F_OFD_SETLK:
  48         case F_OFD_SETLKW:
  49         case F_OFD_SETLKWTIMEOUT:
  50         case F_PREALLOCATE:
  51         case F_PUNCHHOLE:
  52         case F_SETSIZE:
  53         case F_RDADVISE:
  54         case F_LOG2PHYS:
  55         case F_LOG2PHYS_EXT:
  56         case F_GETPATH:
  57         case F_GETPATH_NOFIRMLINK:
  58         case F_GETPATH_MTMINFO:
  59         case F_GETCODEDIR:
  60         case F_PATHPKG_CHECK:
  61         case F_OPENFROM:
  62         case F_UNLINKFROM:
  63         case F_ADDSIGS:
  64         case F_ADDFILESIGS:
  65         case F_ADDFILESIGS_FOR_DYLD_SIM:
  66         case F_ADDFILESIGS_RETURN:
  67         case F_ADDFILESIGS_INFO:
  68         case F_ADDFILESUPPL:
  69         case F_FINDSIGS:
  70         case F_TRANSCODEKEY:
  71         case F_TRIM_ACTIVE_FILE:
  72         case F_SPECULATIVE_READ:
  73         case F_CHECK_LV:
  74         case F_GETSIGSINFO:
  75                 arg = va_arg(ap, void *);
  76                 break;
  77         default:
  78                 arg = (void *)((unsigned long)va_arg(ap, int));
  79                 break;
  80         }
  81         va_end(ap);
  82         return __FCNTL(fd, cmd, arg);
  83 }