1 files changed, 33 insertions, 27 deletions

diff --git a/xlators/debug/error-gen/src/error-gen.h b/xlators/debug/error-gen/src/error-gen.h
index 1c902cf4f21..2478cd5b21c 100644
--- a/xlators/debug/error-gen/src/error-gen.h
+++ b/xlators/debug/error-gen/src/error-gen.h
@@ -1,43 +1,49 @@
 /*
-  Copyright (c) 2008-2010 Gluster, Inc. <http://www.gluster.com>
-  This file is part of GlusterFS.
+   Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
+   This file is part of GlusterFS.
 
-  GlusterFS is free software; you can redistribute it and/or modify
-  it under the terms of the GNU Affero General Public License as published
-  by the Free Software Foundation; either version 3 of the License,
-  or (at your option) any later version.
-
-  GlusterFS 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
-  Affero General Public License for more details.
-
-  You should have received a copy of the GNU Affero General Public License
-  along with this program.  If not, see
-  <http://www.gnu.org/licenses/>.
+   This file is licensed to you under your choice of the GNU Lesser
+   General Public License, version 3 or any later version (LGPLv3 or
+   later), or the GNU General Public License, version 2 (GPLv2), in all
+   cases as published by the Free Software Foundation.
 */
-
 #ifndef _ERROR_GEN_H
 #define _ERROR_GEN_H
 
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
+#include "error-gen-mem-types.h"
 
 #define GF_FAILURE_DEFAULT 10
 
+/*
+ * Pseudo-errors refer to errors beyond the scope of traditional <-1, op_errno>
+ * returns. This facilitates the ability to return unexpected, but not -1 values
+ * and/or to inject operations that lead to implicit error conditions. The range
+ * for pseudo errors resides at a high value to avoid conflicts with the errno
+ * range.
+ */
+enum GF_PSEUDO_ERRORS {
+    GF_ERROR_SHORT_WRITE = 1000, /* short writev return value */
+    GF_ERROR_MAX
+};
+
 typedef struct {
-        int enable[GF_FOP_MAXVALUE];
-        int op_count;
-        int failure_iter_no;
-        char *error_no;
-        gf_lock_t lock;
+    int enable[GF_FOP_MAXVALUE];
+    int op_count;
+    /*
+     * This is only an iteration number in the random-failure case.  For
+     * the normal controlled-probability case, it's actually a numerator
+     * for the failure probability (see FAILURE_GRANULARITY declaration).
+     * It's just not worth blowing up the diff by changing it.
+     */
+    int failure_iter_no;
+    int error_no_int;
+    gf_boolean_t random_failure;
+    gf_lock_t lock;
 } eg_t;
 
 typedef struct {
-        int error_no_count;
-	int error_no[20];
+    int error_no_count;
+    int error_no[20];
 } sys_error_t;
 
 #endif