xref: /xnu-8792.61.2/libsyscall/wrappers/cancelable/fcntl-base.c (revision 42e220869062b56f8d7d0726fd4c88954f87902c)
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
fcntl(int fd,int cmd,...)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 	case F_ASSERT_BG_ACCESS:
76 		arg = va_arg(ap, void *);
77 		break;
78 	default:
79 		arg = (void *)((unsigned long)va_arg(ap, int));
80 		break;
81 	}
82 	va_end(ap);
83 	return __FCNTL(fd, cmd, arg);
84 }
85