X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/9bccf70c0258c7cac2dcb80011b2a964d884c552..4452a7af2eac33dbad800bcc91f2399d62c18f53:/bsd/sys/fcntl.h diff --git a/bsd/sys/fcntl.h b/bsd/sys/fcntl.h index 6e274f663..07499ad42 100644 --- a/bsd/sys/fcntl.h +++ b/bsd/sys/fcntl.h @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000-2001 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * 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. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * 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 OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * 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@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /*- @@ -69,9 +75,28 @@ * described by POSIX for ; it also includes * related kernel definitions. */ +#include +#include -#ifndef KERNEL -#include +/* We should not be exporting size_t here. Temporary for gcc bootstrapping. */ +#ifndef _SIZE_T +#define _SIZE_T +typedef __darwin_size_t size_t; +#endif + +#ifndef _MODE_T +typedef __darwin_mode_t mode_t; +#define _MODE_T +#endif + +#ifndef _OFF_T +typedef __darwin_off_t off_t; +#define _OFF_T +#endif + +#ifndef _PID_T +typedef __darwin_pid_t pid_t; +#define _PID_T #endif /* @@ -95,19 +120,20 @@ * FREAD and FWRITE are excluded from the #ifdef KERNEL so that TIOCFLUSH, * which was documented to use FREAD/FWRITE, continues to work. */ -#ifndef _POSIX_SOURCE +#ifndef _POSIX_C_SOURCE #define FREAD 0x0001 #define FWRITE 0x0002 #endif #define O_NONBLOCK 0x0004 /* no delay */ #define O_APPEND 0x0008 /* set append mode */ -#ifndef _POSIX_SOURCE +#define O_SYNC 0x0080 /* synchronous writes */ +#ifndef _POSIX_C_SOURCE #define O_SHLOCK 0x0010 /* open with shared file lock */ #define O_EXLOCK 0x0020 /* open with exclusive file lock */ #define O_ASYNC 0x0040 /* signal pgrp when data ready */ -#define O_FSYNC 0x0080 /* synchronous writes */ +#define O_FSYNC O_SYNC /* source compatibility: do not use */ #define O_NOFOLLOW 0x0100 /* don't follow symlinks */ -#endif +#endif /* _POSIX_C_SOURCE */ #define O_CREAT 0x0200 /* create if nonexistant */ #define O_TRUNC 0x0400 /* truncate to zero length */ #define O_EXCL 0x0800 /* error if already exists */ @@ -116,9 +142,21 @@ #define FDEFER 0x2000 /* defer for next gc pass */ #define FHASLOCK 0x4000 /* descriptor holds advisory lock */ #endif +#ifndef _POSIX_C_SOURCE +#define O_EVTONLY 0x8000 /* descriptor requested for event notifications only */ +#endif + +#ifdef KERNEL +#define FWASWRITTEN 0x10000 /* descriptor was written */ +#endif + +#ifndef _POSIX_C_SOURCE +#define O_DIRECTORY 0x100000 +#endif /* defined by POSIX 1003.1; BSD default, so no bit required */ #define O_NOCTTY 0 /* don't assign controlling terminal */ +//#define O_SYNC /* ??? POSIX: Write according to synchronized I/O file integrity completion */ #ifdef KERNEL /* convert from open() flags to/from fflags; convert O_RD/WR to FREAD/FWRITE */ @@ -136,7 +174,7 @@ * and by fcntl. We retain the F* names for the kernel f_flags field * and for backward compatibility for fcntl. */ -#ifndef _POSIX_SOURCE +#ifndef _POSIX_C_SOURCE #define FAPPEND O_APPEND /* kernel/compat */ #define FASYNC O_ASYNC /* kernel/compat */ #define FFSYNC O_FSYNC /* kernel */ @@ -149,7 +187,7 @@ * Flags used for copyfile(2) */ -#ifndef _POSIX_SOURCE +#ifndef _POSIX_C_SOURCE #define CPF_OVERWRITE 1 #define CPF_IGNORE_MODE 2 #define CPF_MASK (CPF_OVERWRITE|CPF_IGNORE_MODE) @@ -165,13 +203,13 @@ #define F_SETFD 2 /* set file descriptor flags */ #define F_GETFL 3 /* get file status flags */ #define F_SETFL 4 /* set file status flags */ -#ifndef _POSIX_SOURCE #define F_GETOWN 5 /* get SIGIO/SIGURG proc/pgrp */ #define F_SETOWN 6 /* set SIGIO/SIGURG proc/pgrp */ -#endif #define F_GETLK 7 /* get record locking information */ #define F_SETLK 8 /* set record locking information */ #define F_SETLKW 9 /* F_SETLK; wait if blocked */ +#ifndef _POSIX_C_SOURCE +#define F_CHKCLEAN 41 /* Used for regression test */ #define F_PREALLOCATE 42 /* Preallocate storage */ #define F_SETSIZE 43 /* Truncate a file without zeroing space */ #define F_RDADVISE 44 /* Issue an advisory read async with no copy to user */ @@ -180,6 +218,16 @@ #define F_WRITEBOOTSTRAP 47 /* Write bootstrap on disk */ #define F_NOCACHE 48 /* turning data caching off/on */ #define F_LOG2PHYS 49 /* file offset to device offset */ +#define F_GETPATH 50 /* return the full path of the fd */ +#define F_FULLFSYNC 51 /* fsync + ask the drive to flush to the media */ +#define F_PATHPKG_CHECK 52 /* find which component (if any) is a package */ +#define F_FREEZE_FS 53 /* "freeze" all fs operations */ +#define F_THAW_FS 54 /* "thaw" all fs operations */ +#define F_GLOBAL_NOCACHE 55 /* turn data caching off/on (globally) for this file */ + +// FS-specific fcntl()'s numbers begin at 0x00010000 and go up +#define FCNTL_FS_SPECIFIC_BASE 0x00010000 +#endif /* _POSIX_C_SOURCE */ /* file descriptor flags (F_GETFD, F_SETFD) */ #define FD_CLOEXEC 1 /* close-on-exec flag */ @@ -194,6 +242,65 @@ #define F_POSIX 0x040 /* Use POSIX semantics for lock */ #endif +/* + * [XSI] The values used for l_whence shall be defined as described + * in + */ +#ifndef SEEK_SET +#define SEEK_SET 0 /* set file offset to offset */ +#define SEEK_CUR 1 /* set file offset to current plus offset */ +#define SEEK_END 2 /* set file offset to EOF plus offset */ +#endif /* !SEEK_SET */ + +/* + * [XSI] The symbolic names for file modes for use as values of mode_t + * shall be defined as described in + */ +#ifndef S_IFMT +/* File type */ +#define S_IFMT 0170000 /* [XSI] type of file mask */ +#define S_IFIFO 0010000 /* [XSI] named pipe (fifo) */ +#define S_IFCHR 0020000 /* [XSI] character special */ +#define S_IFDIR 0040000 /* [XSI] directory */ +#define S_IFBLK 0060000 /* [XSI] block special */ +#define S_IFREG 0100000 /* [XSI] regular */ +#define S_IFLNK 0120000 /* [XSI] symbolic link */ +#define S_IFSOCK 0140000 /* [XSI] socket */ +#ifndef _POSIX_C_SOURCE +#define S_IFWHT 0160000 /* whiteout */ +#define S_IFXATTR 0200000 /* extended attribute */ +#endif + +/* File mode */ +/* Read, write, execute/search by owner */ +#define S_IRWXU 0000700 /* [XSI] RWX mask for owner */ +#define S_IRUSR 0000400 /* [XSI] R for owner */ +#define S_IWUSR 0000200 /* [XSI] W for owner */ +#define S_IXUSR 0000100 /* [XSI] X for owner */ +/* Read, write, execute/search by group */ +#define S_IRWXG 0000070 /* [XSI] RWX mask for group */ +#define S_IRGRP 0000040 /* [XSI] R for group */ +#define S_IWGRP 0000020 /* [XSI] W for group */ +#define S_IXGRP 0000010 /* [XSI] X for group */ +/* Read, write, execute/search by others */ +#define S_IRWXO 0000007 /* [XSI] RWX mask for other */ +#define S_IROTH 0000004 /* [XSI] R for other */ +#define S_IWOTH 0000002 /* [XSI] W for other */ +#define S_IXOTH 0000001 /* [XSI] X for other */ + +#define S_ISUID 0004000 /* [XSI] set user id on execution */ +#define S_ISGID 0002000 /* [XSI] set group id on execution */ +#define S_ISVTX 0001000 /* [XSI] directory restrcted delete */ + +#ifndef _POSIX_C_SOURCE +#define S_ISTXT S_ISVTX /* sticky bit: not supported */ +#define S_IREAD S_IRUSR /* backward compatability */ +#define S_IWRITE S_IWUSR /* backward compatability */ +#define S_IEXEC S_IXUSR /* backward compatability */ +#endif +#endif /* !S_IFMT */ + +#ifndef _POSIX_C_SOURCE /* allocate flags (F_PREALLOCATE) */ #define F_ALLOCATECONTIG 0x00000002 /* allocate contigious space */ @@ -204,6 +311,7 @@ #define F_PEOFPOSMODE 3 /* Make it past all of the SEEK pos modes so that */ /* we can keep them in sync should we desire */ #define F_VOLPOSMODE 4 /* specify volume starting postion */ +#endif /* _POSIX_C_SOURCE */ /* * Advisory file segment locking data type - @@ -218,6 +326,7 @@ struct flock { }; +#ifndef _POSIX_C_SOURCE /* * advisory file read data type - * information passed by user to system @@ -228,18 +337,16 @@ struct radvisory { }; -#ifndef _POSIX_SOURCE /* lock operations for flock(2) */ #define LOCK_SH 0x01 /* shared file lock */ #define LOCK_EX 0x02 /* exclusive file lock */ #define LOCK_NB 0x04 /* don't block when locking */ #define LOCK_UN 0x08 /* unlock file */ -#endif /* fstore_t type used by F_DEALLOCATE and F_PREALLOCATE commands */ typedef struct fstore { - u_int32_t fst_flags; /* IN: flags word */ + unsigned int fst_flags; /* IN: flags word */ int fst_posmode; /* IN: indicates use of offset field */ off_t fst_offset; /* IN: start of the region */ off_t fst_length; /* IN: size of the region */ @@ -250,10 +357,26 @@ typedef struct fstore { typedef struct fbootstraptransfer { off_t fbt_offset; /* IN: offset to start read/write */ - size_t fbt_length; /* IN: number of bytes to transfer */ + size_t fbt_length; /* IN: number of bytes to transfer */ void *fbt_buffer; /* IN: buffer to be read/written */ } fbootstraptransfer_t; + +// LP64todo - should this move? +#ifdef KERNEL +/* LP64 version of fbootstraptransfer. all pointers + * grow when we're dealing with a 64-bit process. + * WARNING - keep in sync with fbootstraptransfer + */ + +typedef struct user_fbootstraptransfer { + off_t fbt_offset; /* IN: offset to start read/write */ + user_size_t fbt_length; /* IN: number of bytes to transfer */ + user_addr_t fbt_buffer; /* IN: buffer to be read/written */ +} user_fbootstraptransfer_t; + +#endif // KERNEL + /* * For F_LOG2PHYS this information is passed back to user * Currently only devoffset is returned - that is the VOP_BMAP @@ -270,27 +393,62 @@ typedef struct fbootstraptransfer { * and a per filesystem type flag will be needed to interpret the * contiguous bytes count result from CMAP. */ +#pragma pack(4) + struct log2phys { - u_int32_t l2p_flags; /* unused so far */ + unsigned int l2p_flags; /* unused so far */ off_t l2p_contigbytes; /* unused so far */ off_t l2p_devoffset; /* bytes into device */ }; -#ifndef _POSIX_SOURCE +#pragma pack() + #define O_POPUP 0x80000000 /* force window to popup on open */ #define O_ALERT 0x20000000 /* small, clean popup window */ -#endif +#endif /* _POSIX_C_SOURCE */ #ifndef KERNEL -#include + +#ifndef _POSIX_C_SOURCE +#ifndef _FILESEC_T +struct _filesec; +typedef struct _filesec *filesec_t; +#define _FILESEC_T +#endif +typedef enum { + FILESEC_OWNER = 1, + FILESEC_GROUP = 2, + FILESEC_UUID = 3, + FILESEC_MODE = 4, + FILESEC_ACL = 5, + FILESEC_GRPUUID = 6, + +/* XXX these are private to the implementation */ + FILESEC_ACL_RAW = 100, + FILESEC_ACL_ALLOCSIZE = 101 +} filesec_property_t; + +/* XXX backwards compatibility */ +#define FILESEC_GUID FILESEC_UUID +#endif /* _POSIX_C_SOURCE */ __BEGIN_DECLS -int open __P((const char *, int, ...)); -int creat __P((const char *, mode_t)); -int fcntl __P((int, int, ...)); -#ifndef _POSIX_SOURCE -int flock __P((int, int)); -#endif /* !_POSIX_SOURCE */ +int open(const char *, int, ...); +int creat(const char *, mode_t); +int fcntl(int, int, ...); +#ifndef _POSIX_C_SOURCE +int openx_np(const char *, int, filesec_t); +int flock(int, int); +filesec_t filesec_init(void); +filesec_t filesec_dup(filesec_t); +void filesec_free(filesec_t); +int filesec_get_property(filesec_t, filesec_property_t, void *); +int filesec_set_property(filesec_t, filesec_property_t, const void *); +int filesec_unset_property(filesec_t, filesec_property_t); +int filesec_query_property(filesec_t, filesec_property_t, int *); +#define _FILESEC_UNSET_PROPERTY ((void *)0) +#define _FILESEC_REMOVE_ACL ((void *)1) +#endif /* !_POSIX_C_SOURCE */ __END_DECLS #endif