srv0start.c, ut0mem.c, ut0dbg.c, ut0dbg.h, srv0start.h:

  Changes for NetWare to exit the InnoDB gracefully instead of crashing the server (patch by PRam@novell.com, polished a little by Heikki Tuuri)
mysqld.cc, ha_innodb.cc:
  Changes for NetWare to exit the InnoDB gracefully instead of crashing the server (patch by PRam@novell.com, polished a little by Heikki Tuuri) 


sql/ha_innodb.cc:
  Changes for NetWare to exit the InnoDB gracefully instead of crashing the server (patch by PRam@novell.com, polished a little by Heikki Tuuri)
sql/mysqld.cc:
  Changes for NetWare to exit the InnoDB gracefully instead of crashing the server (patch by PRam@novell.com, polished a little by Heikki Tuuri)
innobase/include/srv0start.h:
  Changes for NetWare to exit the InnoDB gracefully instead of crashing the server (patch by PRam@novell.com, polished a little by Heikki Tuuri)
innobase/include/ut0dbg.h:
  Changes for NetWare to exit the InnoDB gracefully instead of crashing the server (patch by PRam@novell.com, polished a little by Heikki Tuuri)
innobase/ut/ut0dbg.c:
  Changes for NetWare to exit the InnoDB gracefully instead of crashing the server (patch by PRam@novell.com, polished a little by Heikki Tuuri)
innobase/ut/ut0mem.c:
  Changes for NetWare to exit the InnoDB gracefully instead of crashing the server (patch by PRam@novell.com, polished a little by Heikki Tuuri)
innobase/srv/srv0start.c:
  Changes for NetWare to exit the InnoDB gracefully instead of crashing the server (patch by PRam@novell.com, polished a little by Heikki Tuuri)

5 files changed, 66 insertions, 9 deletions

diff --git a/innobase/include/srv0start.h b/innobase/include/srv0start.h
index c4c8dac5d7a..539ccb32744 100644
--- a/innobase/include/srv0start.h
+++ b/innobase/include/srv0start.h
@@ -63,11 +63,13 @@ innobase_start_or_create_for_mysql(void);
 				/* out: DB_SUCCESS or error code */
 /********************************************************************
 Shuts down the Innobase database. */
-
 int
 innobase_shutdown_for_mysql(void);
 /*=============================*/
 				/* out: DB_SUCCESS or error code */
+#ifdef __NETWARE__
+void set_panic_flag_for_netware(void);
+#endif
 
 extern  ulint   srv_sizeof_trx_t_in_ha_innodb_cc;
 
diff --git a/innobase/include/ut0dbg.h b/innobase/include/ut0dbg.h
index bec9cdd42b5..fe6aba2cccb 100644
--- a/innobase/include/ut0dbg.h
+++ b/innobase/include/ut0dbg.h
@@ -22,7 +22,38 @@ extern ulint*	ut_dbg_null_ptr;
 extern const char*	ut_dbg_msg_assert_fail;
 extern const char*	ut_dbg_msg_trap;
 extern const char*	ut_dbg_msg_stop;
-
+/* Have a graceful exit on NetWare rather than a segfault to avoid abends */
+#ifdef __NETWARE__
+extern ibool 	panic_shutdown;
+#define ut_a(EXPR) do {\
+	if (!((ulint)(EXPR) + ut_dbg_zero)) {\
+                ut_print_timestamp(stderr);\
+	   	fprintf(stderr, ut_dbg_msg_assert_fail,\
+		os_thread_pf(os_thread_get_curr_id()), __FILE__,\
+                (ulint)__LINE__);\
+		fputs("InnoDB: Failing assertion: " #EXPR "\n", stderr);\
+		fputs(ut_dbg_msg_trap, stderr);\
+		ut_dbg_stop_threads = TRUE;\
+		if (ut_dbg_stop_threads) {\
+        		fprintf(stderr, ut_dbg_msg_stop,\
+	    os_thread_pf(os_thread_get_curr_id()), __FILE__, (ulint)__LINE__);\
+	    	}\
+		if(!panic_shutdown){\
+		panic_shutdown = TRUE;\
+		innobase_shutdown_for_mysql();}\
+		exit(1);\
+		}\
+} while (0)
+#define ut_error do {\
+		ut_print_timestamp(stderr);\
+		fprintf(stderr, ut_dbg_msg_assert_fail,\
+		os_thread_pf(os_thread_get_curr_id()), __FILE__, (ulint)__LINE__);\
+		fprintf(stderr, ut_dbg_msg_trap);\
+		ut_dbg_stop_threads = TRUE;\
+		if(!panic_shutdown){panic_shutdown = TRUE;\
+		innobase_shutdown_for_mysql();}\
+} while (0)
+#else
 #define ut_a(EXPR) do {\
 	if (!((ulint)(EXPR) + ut_dbg_zero)) {\
                 ut_print_timestamp(stderr);\
@@ -49,6 +80,7 @@ extern const char*	ut_dbg_msg_stop;
 	ut_dbg_stop_threads = TRUE;\
 	if (*(ut_dbg_null_ptr)) ut_dbg_null_ptr = NULL;\
 } while (0)
+#endif
 
 #ifdef UNIV_DEBUG
 # define ut_ad(EXPR)  	ut_a(EXPR)
diff --git a/innobase/srv/srv0start.c b/innobase/srv/srv0start.c
index 30c9982068e..9baa86234a0 100644
--- a/innobase/srv/srv0start.c
+++ b/innobase/srv/srv0start.c
@@ -1079,6 +1079,7 @@ NetWare. */
 	for (i = 0; i < srv_n_file_io_threads; i++) {
 		n[i] = i;
 
+
 		os_thread_create(io_handler_thread, n + i, thread_ids + i);
     	}
 
@@ -1440,7 +1441,6 @@ NetWare. */
 	}
 
 	fflush(stderr);
-
 	return((int) DB_SUCCESS);
 }
 
@@ -1453,7 +1453,9 @@ innobase_shutdown_for_mysql(void)
 				/* out: DB_SUCCESS or error code */
 {
 	ulint   i;
-
+#ifdef __NETWARE__
+	extern ibool panic_shutdown;
+#endif
         if (!srv_was_started) {
 	  	if (srv_is_being_started) {
 	    		ut_print_timestamp(stderr);
@@ -1471,8 +1473,11 @@ innobase_shutdown_for_mysql(void)
 	The step 1 is the real InnoDB shutdown. The remaining steps
 	just free data structures after the shutdown. */
 
+#ifdef __NETWARE__
+	if(!panic_shutdown)
+#endif 
 	logs_empty_and_mark_files_at_shutdown();
-	
+
 	if (srv_conc_n_threads != 0) {
 		fprintf(stderr,
 		"InnoDB: Warning: query counter shows %ld queries still\n"
@@ -1540,12 +1545,11 @@ innobase_shutdown_for_mysql(void)
 			mem_free(srv_monitor_file_name);
 		}
 	}
-
+	
 	mutex_free(&srv_monitor_file_mutex);
 
 	/* 3. Free all InnoDB's own mutexes and the os_fast_mutexes inside
 	them */
-
 	sync_close();
 
 	/* 4. Free the os_conc_mutex and all os_events and os_mutexes */
@@ -1556,7 +1560,7 @@ innobase_shutdown_for_mysql(void)
 	/* 5. Free all allocated memory and the os_fast_mutex created in
 	ut0mem.c */
 
-        ut_free_all_mem();
+	ut_free_all_mem();
 
 	if (os_thread_count != 0
 	    || os_event_count != 0
@@ -1583,3 +1587,11 @@ innobase_shutdown_for_mysql(void)
 
 	return((int) DB_SUCCESS);
 }
+
+#ifdef __NETWARE__
+void set_panic_flag_for_netware()
+{
+	extern ibool panic_shutdown;
+	panic_shutdown = TRUE;
+}
+#endif
diff --git a/innobase/ut/ut0dbg.c b/innobase/ut/ut0dbg.c
index 65703ec1c86..2a0cfe1f13a 100644
--- a/innobase/ut/ut0dbg.c
+++ b/innobase/ut/ut0dbg.c
@@ -14,7 +14,12 @@ ulint	ut_dbg_zero	= 0;
 /* If this is set to TRUE all threads will stop into the next assertion
 and assert */
 ibool	ut_dbg_stop_threads	= FALSE;
-
+#ifdef __NETWARE__ 
+ibool panic_shutdown = FALSE;  	/* This is set to TRUE when on NetWare there
+				happens an InnoDB assertion failure or other
+				fatal error condition that requires an
+				immediate shutdown. */
+#endif
 /* Null pointer used to generate memory trap */
 
 ulint*	ut_dbg_null_ptr		= NULL;
diff --git a/innobase/ut/ut0mem.c b/innobase/ut/ut0mem.c
index 2cab36a9580..9b08b1e79aa 100644
--- a/innobase/ut/ut0mem.c
+++ b/innobase/ut/ut0mem.c
@@ -106,7 +106,13 @@ ut_malloc_low(
 
 		/* Make an intentional seg fault so that we get a stack
 		trace */
+		/* Intentional segfault on NetWare causes an abend. Avoid this 
+		by graceful exit handling in ut_a(). */
+#if (!defined __NETWARE__) 
 		if (*ut_mem_null_ptr) ut_mem_null_ptr = 0;
+#else
+		ut_a(0);
+#endif
 	}		
 
 	if (set_to_zero) {