From: Árni Dagur <arni@dagur.eu>
Date: Mon, 19 Aug 2019 23:41:14 +0000 (+0000)
Subject: add copy_file_range system call wrapper
X-Git-Tag: v1.1.24~33
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=f76e183111bc4491ee575c3e2fcc793412acff4e;p=oweals%2Fmusl.git

add copy_file_range system call wrapper
---

diff --git a/include/unistd.h b/include/unistd.h
index 9485da7a..b9b23a16 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -188,6 +188,7 @@ char *get_current_dir_name(void);
 int syncfs(int);
 int euidaccess(const char *, int);
 int eaccess(const char *, int);
+ssize_t copy_file_range(int, off_t *, int, off_t *, size_t, unsigned);
 #endif
 
 #if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
diff --git a/src/linux/copy_file_range.c b/src/linux/copy_file_range.c
new file mode 100644
index 00000000..dd4b1333
--- /dev/null
+++ b/src/linux/copy_file_range.c
@@ -0,0 +1,8 @@
+#define _GNU_SOURCE
+#include <unistd.h>
+#include "syscall.h"
+
+ssize_t copy_file_range(int fd_in, off_t *off_in, int fd_out, off_t *off_out, size_t len, unsigned flags)
+{
+	return syscall(SYS_copy_file_range, fd_in, off_in, fd_out, off_out, len, flags);
+}