1 files changed, 67 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/i386/sync_file_range.S b/libc/sysdeps/linux/i386/sync_file_range.S
new file mode 100644
index 000000000..6cdaf452a
--- /dev/null
+++ b/libc/sysdeps/linux/i386/sync_file_range.S
@@ -0,0 +1,67 @@
+/* Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#define _ERRNO_H	1
+#include <features.h>
+#include <bits/errno.h>
+#include <sys/syscall.h>
+
+.text
+.global sync_file_range
+.type   sync_file_range,%function
+sync_file_range:
+#ifdef __NR_sync_file_range
+
+	/* Save regs */
+	pushl	%ebx
+	pushl	%esi
+	pushl	%edi
+	pushl	%ebp
+
+	movl $__NR_sync_file_range, %eax	/* Syscall number in %eax.  */
+
+	movl	20(%esp), %ebx
+	movl	24(%esp), %ecx
+	movl	28(%esp), %edx
+	movl	32(%esp), %esi
+	movl	36(%esp), %edi
+	movl	40(%esp), %ebp
+
+	/* Do the system call trap.  */
+	int $0x80
+
+	/* Restore regs  */
+	popl	%ebp
+	popl	%edi
+	popl	%esi
+	popl	%ebx
+
+	/* If 0 > %eax > -4096 there was an error.  */
+	cmpl $-4096, %eax
+	ja __syscall_error
+#else
+	movl	$-ENOSYS, %eax
+	jmp __syscall_error
+#endif
+	/* Successful; return the syscall's value.  */
+	ret
+
+.size sync_file_range,.-sync_file_range
+
+libc_hidden_def(sync_file_range)
+