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authorRich Felker <dalias@aerifal.cx>2012-07-23 16:50:56 -0400
committerRich Felker <dalias@aerifal.cx>2012-07-23 16:50:56 -0400
commit53147f902b7f84d8108bd9738641a53722a4a205 (patch)
tree6fbf24617ba8a13af52da8713a49f9d1e052d402
parent207460d09742304941f1a010a89fc2efa46bcb29 (diff)
downloadmusl-53147f902b7f84d8108bd9738641a53722a4a205.tar.gz
add splice and vmsplice syscalls
based on patches by orc and Isaac Dunham.
-rw-r--r--include/fcntl.h12
-rw-r--r--src/linux/splice.c8
-rw-r--r--src/linux/vmsplice.c8
3 files changed, 28 insertions, 0 deletions
diff --git a/include/fcntl.h b/include/fcntl.h
index fcb622a2..f0e5671e 100644
--- a/include/fcntl.h
+++ b/include/fcntl.h
@@ -9,6 +9,12 @@ extern "C" {
#define __NEED_pid_t
#define __NEED_mode_t
+#ifdef _GNU_SOURCE
+#define __NEED_size_t
+#define __NEED_ssize_t
+#define __NEED_struct_iovec
+#endif
+
#include <bits/alltypes.h>
#include <bits/fcntl.h>
@@ -108,6 +114,12 @@ struct f_owner_ex {
int type;
pid_t pid;
};
+#define SPLICE_F_MOVE 1
+#define SPLICE_F_NONBLOCK 2
+#define SPLICE_F_MORE 4
+#define SPLICE_F_GIFT 8
+ssize_t vmsplice(int, const struct iovec *, size_t, unsigned);
+ssize_t splice(int, off_t *, int, off_t *, size_t, unsigned);
#endif
#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
diff --git a/src/linux/splice.c b/src/linux/splice.c
new file mode 100644
index 00000000..78b6220d
--- /dev/null
+++ b/src/linux/splice.c
@@ -0,0 +1,8 @@
+#define _GNU_SOURCE
+#include <fcntl.h>
+#include "syscall.h"
+
+ssize_t splice(int fd_in, off_t *off_in, int fd_out, off_t *off_out, size_t len, unsigned flags)
+{
+ return syscall(SYS_splice, fd_in, off_in, fd_out, off_out, len, flags);
+}
diff --git a/src/linux/vmsplice.c b/src/linux/vmsplice.c
new file mode 100644
index 00000000..ebf13ee4
--- /dev/null
+++ b/src/linux/vmsplice.c
@@ -0,0 +1,8 @@
+#define _GNU_SOURCE
+#include <fcntl.h>
+#include "syscall.h"
+
+ssize_t vmsplice(int fd, const struct iovec *iov, size_t cnt, unsigned flags)
+{
+ return syscall(SYS_vmsplice, fd, iov, cnt, flags);
+}