1 files changed, 8 insertions, 0 deletions
diff --git a/libgo/syscalls/sysfile_posix.go b/libgo/syscalls/sysfile_posix.go
index 1458bf56097..655eb7353e6 100644
--- a/libgo/syscalls/sysfile_posix.go
+++ b/libgo/syscalls/sysfile_posix.go
@@ -16,6 +16,7 @@ func libc_open(name *byte, mode int, perm Mode_t) int __asm__ ("open");
 func libc_close(fd int) int __asm__ ("close");
 func libc_read(fd int, buf *byte, count Size_t) Ssize_t __asm__ ("read");
 func libc_write(fd int, buf *byte, count Size_t) Ssize_t __asm__ ("write");
+func libc_fsync(fd int) int __asm__ ("fsync")
 func libc_pipe(filedes *int) int __asm__("pipe");
 func libc_stat(name *byte, buf *Stat_t) int __asm__ ("stat");
 func libc_fstat(fd int, buf *Stat_t) int __asm__ ("fstat");
@@ -87,6 +88,13 @@ func Write(fd int, p []byte) (n int, errno int) {
   return;
 }
 
+func Fsync(fd int) (errno int) {
+	if libc_fsync(fd) < 0 {
+		errno = GetErrno()
+	}
+	return
+}
+
 func Pread(fd int, p []byte, offset int64) (n int, errno int) {
   var _p0 *byte;
   if len(p) > 0 { _p0 = &p[0]; }