xnu-6153.81.5.tar.gz

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

diff --git a/bsd/sys/fcntl.h b/bsd/sys/fcntl.h
index de413f34c85c721a8cdbba477d894cf1f57f1e85..f0f301865bef853472623c4c11ddb8567348be57 100644 (file)
--- a/bsd/sys/fcntl.h
+++ b/bsd/sys/fcntl.h
@@ -146,6 +146,13 @@
 #define AT_SYMLINK_NOFOLLOW     0x0020  /* Act on the symlink itself not the target */
 #define AT_SYMLINK_FOLLOW       0x0040  /* Act on target of symlink */
 #define AT_REMOVEDIR            0x0080  /* Path refers to directory */
+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+#ifdef PRIVATE
+#define AT_REMOVEDIR_DATALESS   0x0100  /* Remove a dataless directory without materializing first */
+#endif
+#define AT_REALDEV              0x0200  /* Return real device inodes resides on for fstatat(2) */
+#define AT_FDONLY               0x0400  /* Use only the fd and Ignore the path for fstatat(2) */
+#endif
 #endif
 
 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
@@ -366,7 +373,11 @@
 
 #define F_PUNCHHOLE     99              /* Deallocate a range of the file */
 
-#define F_TRIM_ACTIVE_FILE      100 /* Trim an active file */
+#define F_TRIM_ACTIVE_FILE      100     /* Trim an active file */
+
+#define F_SPECULATIVE_READ     101      /* Synchronous advisory read fcntl for regular and compressed file */
+
+#define F_GETPATH_NOFIRMLINK       102              /* return the full path without firmlinks of the fd */
 
 // FS-specific fcntl()'s numbers begin at 0x00010000 and go up
 #define FCNTL_FS_SPECIFIC_BASE  0x00010000
@@ -618,6 +629,14 @@ typedef struct ftrimactivefile {
        off_t fta_length; /* IN: size of the region */
 } ftrimactivefile_t;
 
+/* fspecread_t used by F_SPECULATIVE_READ */
+typedef struct fspecread {
+       unsigned int fsr_flags;  /* IN: flags word */
+       unsigned int reserved;   /* to maintain 8-byte alignment */
+       off_t fsr_offset;        /* IN: start of the region */
+       off_t fsr_length;        /* IN: size of the region */
+} fspecread_t;
+
 /* fbootstraptransfer_t used by F_READBOOTSTRAP and F_WRITEBOOTSTRAP commands */
 
 typedef struct fbootstraptransfer {