xnu-1699.22.73.tar.gz

[apple/xnu.git] / bsd / sys / fcntl.h

diff --git a/bsd/sys/fcntl.h b/bsd/sys/fcntl.h
index e9302b184da3c987a86b71e7747eaa3095893102..f6cbe9d5ac83153dd0c3e0cc72a04e6f81da92f3 100644 (file)
--- a/bsd/sys/fcntl.h
+++ b/bsd/sys/fcntl.h
@@ -77,6 +77,9 @@
  */
 #include <sys/_types.h>
 #include <sys/cdefs.h>
+#ifndef KERNEL
+#include <Availability.h>
+#endif
 
 /* We should not be exporting size_t here.  Temporary for gcc bootstrapping. */
 #ifndef _SIZE_T
@@ -168,6 +171,14 @@ typedef __darwin_pid_t     pid_t;
 #define                O_DSYNC 0x400000        /* synch I/O data integrity */
 #endif
 
+#ifdef KERNEL
+#define FNODIRECT      0x800000        /* fcntl(F_NODIRECT, 1) */
+#endif
+
+#if __DARWIN_C_LEVEL >= 200809L
+#define        O_CLOEXEC       0x1000000       /* implicitly set FD_CLOEXEC */
+#endif
+
 #ifdef KERNEL
 /* convert from open() flags to/from fflags; convert O_RD/WR to FREAD/FWRITE */
 #define        FFLAGS(oflags)  ((oflags) + 1)
@@ -220,6 +231,7 @@ typedef __darwin_pid_t      pid_t;
 #define        F_SETLK         8               /* set record locking information */
 #define        F_SETLKW        9               /* F_SETLK; wait if blocked */
 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+#define F_FLUSH_DATA    40
 #define F_CHKCLEAN      41              /* Used for regression test */
 #define F_PREALLOCATE   42             /* Preallocate storage */
 #define F_SETSIZE       43             /* Truncate a file without zeroing space */     
@@ -248,14 +260,35 @@ typedef __darwin_pid_t    pid_t;
 
 #define F_ADDFILESIGS  61              /* add signature from same file (used by dyld for shared libs) */
 
-#define F_GETPROTECTIONCLASS   62              /* Get the protection class of a file from the EA, returns int */
-#define F_SETPROTECTIONCLASS   63              /* Set the protection class of a file for the EA, requires int */
+#define F_NODIRECT     62              /* used in conjunction with F_NOCACHE to indicate that DIRECT, synchonous writes */
+                                        /* should not be used (i.e. its ok to temporaily create cached pages) */
+
+#define F_GETPROTECTIONCLASS   63              /* Get the protection class of a file from the EA, returns int */
+#define F_SETPROTECTIONCLASS   64              /* Set the protection class of a file for the EA, requires int */
+
+#define F_LOG2PHYS_EXT  65             /* file offset to device offset, extended */
+
+#define        F_GETLKPID              66              /* get record locking information, per-process */
+
+#ifdef PRIVATE
+#define F_MOVEDATAEXTENTS      69      /* Swap only the data associated with two files */
+#endif
+
+#define F_SETBACKINGSTORE      70      /* Mark the file as being the backing store for another filesystem */
+#define F_GETPATH_MTMINFO      71      /* return the full path of the FD, but error in specific mtmd circumstances */
+
+#define F_SETNOSIGPIPE         73      /* No SIGPIPE generated on EPIPE */
+#define F_GETNOSIGPIPE         74      /* Status of SIGPIPE for this fd */
 
 // FS-specific fcntl()'s numbers begin at 0x00010000 and go up
 #define FCNTL_FS_SPECIFIC_BASE  0x00010000
 
 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
 
+#if __DARWIN_C_LEVEL >= 200809L
+#define        F_DUPFD_CLOEXEC         67      /* mark the dup with FD_CLOEXEC */
+#endif
+
 /* file descriptor flags (F_GETFD, F_SETFD) */
 #define        FD_CLOEXEC      1               /* close-on-exec flag */
 
@@ -296,7 +329,7 @@ typedef __darwin_pid_t      pid_t;
 #define        S_IFLNK         0120000         /* [XSI] symbolic link */
 #define        S_IFSOCK        0140000         /* [XSI] socket */
 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
-#define        S_IFWHT         0160000         /* whiteout */
+#define        S_IFWHT         0160000         /* OBSOLETE: whiteout */
 #endif
 
 /* File mode */
@@ -464,13 +497,22 @@ typedef struct user_fbootstraptransfer {
  * For them the fcntl will nedd to switch from using BMAP to CMAP
  * and a per filesystem type flag will be needed to interpret the
  * contiguous bytes count result from CMAP.
+ *
+ * F_LOG2PHYS_EXT is a variant of F_LOG2PHYS that uses a passed in
+ * file offset and length instead of the current file offset.
+ * F_LOG2PHYS_EXT operates on the same structure as F_LOG2PHYS, but
+ * treats it as an in/out.
  */
 #pragma pack(4)
 
 struct log2phys {
-       unsigned int    l2p_flags;              /* unused so far */
-       off_t           l2p_contigbytes;        /* unused so far */
-       off_t           l2p_devoffset;  /* bytes into device */
+       unsigned int    l2p_flags;       /* unused so far */
+       off_t           l2p_contigbytes; /* F_LOG2PHYS:     unused so far */
+                                        /* F_LOG2PHYS_EXT: IN:  number of bytes to be queried */
+                                        /*                 OUT: number of contiguous bytes at this position */
+       off_t           l2p_devoffset;   /* F_LOG2PHYS:     OUT: bytes into device */
+                                        /* F_LOG2PHYS_EXT: IN:  bytes into file */
+                                        /*                 OUT: bytes into device */
 };
 
 #pragma pack()
@@ -544,6 +586,13 @@ int        fcntl(int, int, ...) __DARWIN_ALIAS_C(fcntl);
 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 
 #ifdef PRIVATE
+/*
+ * These definitions are retained temporarily for compatibility.
+ * If you want to use fileports, please use
+ *     #include <sys/fileport.h>
+ * or
+ *     #include <System/sys/fileport.h>
+ */
 #ifndef _FILEPORT_T
 #define _FILEPORT_T
 typedef __darwin_mach_port_t fileport_t;
@@ -561,7 +610,7 @@ void        filesec_free(filesec_t);
 int    filesec_get_property(filesec_t, filesec_property_t, void *);
 int    filesec_query_property(filesec_t, filesec_property_t, int *);
 int    filesec_set_property(filesec_t, filesec_property_t, const void *);
-int    filesec_unset_property(filesec_t, filesec_property_t);
+int    filesec_unset_property(filesec_t, filesec_property_t) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
 #define _FILESEC_UNSET_PROPERTY        ((void *)0)
 #define _FILESEC_REMOVE_ACL    ((void *)1)
 #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */