Main: Let main-block use HOOK_RETRY / HOOK_IDLE as suggested by the docs

diff --git a/ucw/main-block.c b/ucw/main-block.c
index c3e173ce15ad8305d5f3ffbb02290ba2a696c9b7..dab3c8e68883a5d698e2dcb19782abd3a1a1c6e4 100644 (file)
--- a/ucw/main-block.c
+++ b/ucw/main-block.c
@@ -56,7 +56,7 @@ block_io_read_handler(struct main_file *fi)
        {
          if (errno != EINTR && errno != EAGAIN && bio->error_handler)
            bio->error_handler(bio, BIO_ERR_READ);
-         return 0;
+         return HOOK_IDLE;
        }
       else if (!l)
        break;
@@ -66,7 +66,7 @@ block_io_read_handler(struct main_file *fi)
   fi->read_handler = NULL;
   file_chg(fi);
   bio->read_done(bio);
-  return 1;
+  return HOOK_RETRY;
 }
 
 static int
@@ -82,7 +82,7 @@ block_io_write_handler(struct main_file *fi)
        {
          if (errno != EINTR && errno != EAGAIN && bio->error_handler)
            bio->error_handler(bio, BIO_ERR_WRITE);
-         return 0;
+         return HOOK_IDLE;
        }
       bio->wpos += l;
     }
@@ -90,7 +90,7 @@ block_io_write_handler(struct main_file *fi)
   fi->write_handler = NULL;
   file_chg(fi);
   bio->write_done(bio);
-  return 1;
+  return HOOK_RETRY;
 }
 
 void