[apple/xnu.git] / libsyscall / wrappers / cancelable / fcntl-base.c

/*
 * Copyright (c) 2004, 2006 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
#include <stdarg.h>

int __FCNTL(int, int, void *);

/*
 * Stub function to account for the differences in the size of the third
 * argument when int and void * are different sizes. Also add pthread
 * cancelability.
 *
 * This is for LP64 only.
 */
int
fcntl(int fd, int cmd, ...)
{
	va_list	ap;
	void *arg;

	va_start(ap, cmd);
	switch(cmd) {
	 case F_GETLK:
	 case F_SETLK:
	 case F_SETLKW:
	 case F_PREALLOCATE:
	 case F_SETSIZE:
	 case F_RDADVISE:
	 case F_READBOOTSTRAP:
	 case F_WRITEBOOTSTRAP:
	 case F_LOG2PHYS:
	 case F_GETPATH:
	 case F_GETPATH_MTMINFO:
	 case F_PATHPKG_CHECK:
	 case F_OPENFROM:
	 case F_UNLINKFROM:
	 case F_ADDSIGS:
		arg = va_arg(ap, void *);
		break;
	 default:
		arg = (void *)((unsigned long)va_arg(ap, int));
		break;
	}
	va_end(ap);
	return (__FCNTL(fd, cmd, arg));
}
Commit	Line	Data
2d21ac55	1	/*
6d2010ae	2	* Copyright (c) 2004, 2006 Apple Computer, Inc. All rights reserved.
2d21ac55 A	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	*/
6d2010ae	23	#include <stdarg.h>
2d21ac55	24
6d2010ae	25	int __FCNTL(int, int, void *);
2d21ac55	26
6d2010ae A	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	* This is for LP64 only.
	33	*/
	34	int
	35	fcntl(int fd, int cmd, ...)
	36	{
	37	va_list ap;
	38	void *arg;
2d21ac55	39
6d2010ae A	40	va_start(ap, cmd);
	41	switch(cmd) {
	42	case F_GETLK:
	43	case F_SETLK:
	44	case F_SETLKW:
	45	case F_PREALLOCATE:
	46	case F_SETSIZE:
	47	case F_RDADVISE:
	48	case F_READBOOTSTRAP:
	49	case F_WRITEBOOTSTRAP:
	50	case F_LOG2PHYS:
	51	case F_GETPATH:
	52	case F_GETPATH_MTMINFO:
	53	case F_PATHPKG_CHECK:
	54	case F_OPENFROM:
	55	case F_UNLINKFROM:
	56	case F_ADDSIGS:
	57	arg = va_arg(ap, void *);
	58	break;
	59	default:
	60	arg = (void *)((unsigned long)va_arg(ap, int));
	61	break;
	62	}
	63	va_end(ap);
	64	return (__FCNTL(fd, cmd, arg));
	65	}