1 files changed, 23 insertions, 0 deletions

diff --git a/win32/mingw.c b/win32/mingw.c
index 3183cd78e..a65a0a6d1 100644
--- a/win32/mingw.c
+++ b/win32/mingw.c
@@ -1666,6 +1666,29 @@ int mingw_rmdir(const char *path)
         return rmdir(path);
 }
 
+void mingw_sync(void)
+{
+        HANDLE h;
+        FILE *mnt;
+        struct mntent *entry;
+        char name[] = "\\\\.\\C:";
+
+        mnt = setmntent(bb_path_mtab_file, "r");
+        if (mnt) {
+                while ((entry=getmntent(mnt)) != NULL) {
+                        name[4] = entry->mnt_dir[0];
+                        h = CreateFile(name, GENERIC_READ | GENERIC_WRITE,
+                                                FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
+                                                OPEN_EXISTING, 0, NULL);
+                        if (h != INVALID_HANDLE_VALUE) {
+                                FlushFileBuffers(h);
+                                CloseHandle(h);
+                        }
+                }
+                endmntent(mnt);
+        }
+}
+
 #define NUMEXT 5
 static const char win_suffix[NUMEXT][4] = { "sh", "com", "exe", "bat", "cmd" };