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authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2008-05-03 12:49:10 +0000
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2008-05-03 12:49:10 +0000
commit7145fac593684e0df4113ff20c4436a6e5ae467b (patch)
tree0b3bb7c867bf9391e1f78ca1a06834236a0c252e /libc/sysdeps/linux/e1/bits/fcntl.h
parent8b6643eeb2b42676b295575d0caa59300fefd3ad (diff)
- implement splice,vmsplice,tee for all arches
- synch F_LINUX_SPECIFIC_BASE related fcntls for all arches
Diffstat (limited to 'libc/sysdeps/linux/e1/bits/fcntl.h')
-rw-r--r--libc/sysdeps/linux/e1/bits/fcntl.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/e1/bits/fcntl.h b/libc/sysdeps/linux/e1/bits/fcntl.h
index 4b41b4715..d41d353b1 100644
--- a/libc/sysdeps/linux/e1/bits/fcntl.h
+++ b/libc/sysdeps/linux/e1/bits/fcntl.h
@@ -93,6 +93,8 @@
# define F_SETLEASE 1024 /* Set a lease. */
# define F_GETLEASE 1025 /* Enquire what lease is active. */
# define F_NOTIFY 1026 /* Request notfications on a directory. */
+# define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with
+ close-on-exit set on new fd. */
#endif
/* For F_[GET|SET]FL. */
@@ -178,3 +180,58 @@ struct flock64
# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
#endif
+
+
+#ifdef __USE_GNU
+#if 0
+/* Flags for SYNC_FILE_RANGE. */
+# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages
+ in the range before performing the
+ write. */
+# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those
+ dirty pages in the range which are
+ not presently under writeback. */
+# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
+ the range after performing the
+ write. */
+#endif
+
+/* Flags for SPLICE and VMSPLICE. */
+# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */
+# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing
+ (but we may still block on the fd
+ we splice from/to). */
+# define SPLICE_F_MORE 4 /* Expect more data. */
+# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
+#endif
+
+__BEGIN_DECLS
+
+#ifdef __USE_GNU
+
+/* Provide kernel hint to read ahead. */
+extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
+ __THROW;
+
+
+#if 0
+/* Selective file content synch'ing. */
+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
+ unsigned int __flags);
+#endif
+
+/* Splice address range into a pipe. */
+extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
+ size_t __count, unsigned int __flags);
+
+/* Splice two files together. */
+extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
+ __off64_t *__offout, size_t __len,
+ unsigned int __flags);
+
+/* In-kernel implementation of tee for pipe buffers. */
+extern ssize_t tee (int __fdin, int __fdout, size_t __len,
+ unsigned int __flags);
+
+__END_DECLS
+