[klibc] Add support for sendfile()
Add the sendfile() system call and a header file for it.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/usr/include/sys/sendfile.h b/usr/include/sys/sendfile.h
new file mode 100644
index 0000000..a745f10
--- /dev/null
+++ b/usr/include/sys/sendfile.h
@@ -0,0 +1,14 @@
+/*
+ * sys/sendfile.h
+ */
+
+#ifndef _SYS_SENDFILE_H
+#define _SYS_SENDFILE_H
+
+#include <klibc/extern.h>
+#include <stddef.h>
+#include <sys/types.h>
+
+__extern ssize_t sendfile(int, int, off_t *, size_t, off_t);
+
+#endif /* _SYS_SENDFILE_H */
diff --git a/usr/klibc/SYSCALLS.def b/usr/klibc/SYSCALLS.def
index 8c257ba..64b92be 100644
--- a/usr/klibc/SYSCALLS.def
+++ b/usr/klibc/SYSCALLS.def
@@ -179,6 +179,7 @@
int sync_file_range,fdatasync,fsync::sync_file_range(int, off_t, off_t, unsigned int);
<?> int splice(int, off_t *, int, off_t *, size_t, unsigned int);
<?> int tee(int, int, size_t, unsigned int);
+ssize_t sendfile64,sendfile::sendfile(int, int, off_t *, size_t, off_t);
/*
* Signal operations
