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authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2008-05-02 07:18:29 +0000
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2008-05-02 07:18:29 +0000
commit2167a906ffd7499685e25af093107db4770a7069 (patch)
treefcc6ce5131e7d728602fc95201d5fde1f25fce6d /libc/sysdeps/linux
parent86d7cc836dafc8bf3b6f8be7db2917e8c1f5d54b (diff)
- add vmsplice, splice, tee (Timo Teräs)
- pull bits/fcntl.h from glibc (Timo Teräs)
Diffstat (limited to 'libc/sysdeps/linux')
-rw-r--r--libc/sysdeps/linux/common/splice.c28
-rw-r--r--libc/sysdeps/linux/common/tee.c28
-rw-r--r--libc/sysdeps/linux/common/vmsplice.c28
-rw-r--r--libc/sysdeps/linux/i386/bits/fcntl.h32
4 files changed, 106 insertions, 10 deletions
diff --git a/libc/sysdeps/linux/common/splice.c b/libc/sysdeps/linux/common/splice.c
new file mode 100644
index 000000000..7e8f4e3e0
--- /dev/null
+++ b/libc/sysdeps/linux/common/splice.c
@@ -0,0 +1,28 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * splice() for uClibc
+ *
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+#include <fcntl.h>
+
+libc_hidden_proto(splice)
+
+#ifdef __NR_splice
+_syscall6(ssize_t, splice, int, __fdin, __off64_t *, __offin, int, __fdout,
+ __off64_t *, __offout, size_t, __len, unsigned int, __flags);
+#else
+ssize_t splice(int __fdin, __off64_t *__offin, int __fdout,
+ __off64_t *__offout, size_t __len, unsigned int __flags)
+{
+ __set_errno(ENOSYS);
+ return -1;
+}
+#endif
+
+libc_hidden_def(splice)
+
diff --git a/libc/sysdeps/linux/common/tee.c b/libc/sysdeps/linux/common/tee.c
new file mode 100644
index 000000000..647440815
--- /dev/null
+++ b/libc/sysdeps/linux/common/tee.c
@@ -0,0 +1,28 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * tee() for uClibc
+ *
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+#include <fcntl.h>
+
+libc_hidden_proto(tee)
+
+#ifdef __NR_tee
+_syscall4(ssize_t, tee, int, __fdin, int, __fdout, size_t, __len,
+ unsigned int, __flags);
+#else
+ssize_t tee(int __fdin, int __fdout, size_t __len, unsigned int __flags)
+{
+ __set_errno(ENOSYS);
+ return -1;
+}
+#endif
+
+libc_hidden_def(tee)
+
+
diff --git a/libc/sysdeps/linux/common/vmsplice.c b/libc/sysdeps/linux/common/vmsplice.c
new file mode 100644
index 000000000..a0156d772
--- /dev/null
+++ b/libc/sysdeps/linux/common/vmsplice.c
@@ -0,0 +1,28 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * vmsplice() for uClibc
+ *
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+#include <fcntl.h>
+
+libc_hidden_proto(vmsplice)
+
+#ifdef __NR_vmsplice
+_syscall4(ssize_t, vmsplice, int, __fdout, const struct iovec *, __iov,
+ size_t, __count, unsigned int, __flags);
+#else
+ssize_t vmsplice(int __fdout, const struct iovec *__iov, size_t __count,
+ unsigned int __flags)
+{
+ __set_errno(ENOSYS);
+ return -1;
+}
+#endif
+
+libc_hidden_def(vmsplice)
+
diff --git a/libc/sysdeps/linux/i386/bits/fcntl.h b/libc/sysdeps/linux/i386/bits/fcntl.h
index 10286a88d..c5cc8b2bd 100644
--- a/libc/sysdeps/linux/i386/bits/fcntl.h
+++ b/libc/sysdeps/linux/i386/bits/fcntl.h
@@ -1,5 +1,5 @@
/* O_*, F_*, FD_* bit values for Linux.
- Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004, 2006
+ Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004, 2006, 2007, 2008
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -50,6 +50,7 @@
# define O_DIRECTORY 0200000 /* Must be a directory. */
# define O_NOFOLLOW 0400000 /* Do not follow links. */
# define O_NOATIME 01000000 /* Do not set atime. */
+# define O_CLOEXEC 02000000 /* Set close_on_exec. */
#endif
/* For now Linux has synchronisity options for data and read operations.
@@ -97,9 +98,11 @@
# 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. */
#endif
-/* For F_[GET|SET]FL. */
+/* For F_[GET|SET]FD. */
#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
@@ -185,6 +188,7 @@ struct flock64
#ifdef __USE_GNU
+/* 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. */
@@ -194,6 +198,14 @@ struct flock64
# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
the range after performing the
write. */
+
+/* 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
@@ -209,20 +221,20 @@ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
/* 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 int vmsplice (int __fdout, const struct iovec *__iov, size_t __count,
- unsigned int __flags);
+extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
+ size_t __count, unsigned int __flags);
/* Splice two files together. */
-extern int splice (int __fdin, int __fdout, size_t __len, unsigned int __flags)
- __THROW;
+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 int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
- __THROW;
-#endif
+extern ssize_t tee (int __fdin, int __fdout, size_t __len,
+ unsigned int __flags);
#endif