win: Export eio__pread and eio__pwrite so node_file can use it

deps/libeio/eio.c

@@ -810,7 +810,7 @@ int eio_poll (void)
 # define pread  eio__pread
 # define pwrite eio__pwrite
 
-static ssize_t
+ssize_t
 eio__pread (int fd, void *buf, size_t count, off_t offset)
 {
   ssize_t res;
@@ -826,7 +826,7 @@ eio__pread (int fd, void *buf, size_t count, off_t offset)
   return res;
 }
 
-static ssize_t
+ssize_t
 eio__pwrite (int fd, void *buf, size_t count, off_t offset)
 {
   ssize_t res;

deps/libeio/eio.h

@@ -332,6 +332,14 @@ void eio_destroy (eio_req *req);
 
 ssize_t eio_sendfile_sync (int ofd, int ifd, off_t offset, size_t count);
 
+/*****************************************************************************/
+/* export these so node_file can use these function instead of pread/write */
+
+#if !HAVE_PREADWRITE
+ssize_t eio__pread (int fd, void *buf, size_t count, off_t offset);
+ssize_t eio__pwrite (int fd, void *buf, size_t count, off_t offset);
+#endif
+
 #ifdef __cplusplus
 }
 #endif