log0log.c InnoDB now prints timestamp at startup and shutdown

srv0start.c	InnoDB now prints timestamp at startup and shutdown
ut0ut.h 	InnoDB now prints timestamp at startup and shutdown
ut0ut.c 	InnoDB now prints timestamp at startup and shutdown


innobase/ut/ut0ut.c:
  InnoDB now prints timestamp at startup and shutdown
innobase/include/ut0ut.h:
  InnoDB now prints timestamp at startup and shutdown
innobase/srv/srv0start.c:
  InnoDB now prints timestamp at startup and shutdown
innobase/log/log0log.c:
  InnoDB now prints timestamp at startup and shutdown

innobase/include/ut0ut.h

@@ -136,6 +136,13 @@ ut_difftime(
 				/* out: time2 - time1 expressed in seconds */
 	ib_time_t	time2,	/* in: time */
 	ib_time_t	time1);	/* in: time */
+/**************************************************************
+Prints a timestamp to a file. */
+
+void
+ut_print_timestamp(
+/*===============*/
+	FILE*  file); /* in: file where to print */
 /*****************************************************************
 Runs an idle loop on CPU. The argument gives the desired delay
 in microseconds on 100 MHz Pentium + Visual C++. */

innobase/log/log0log.c

@@ -2634,8 +2634,9 @@ logs_empty_and_mark_files_at_shutdown(void)
 {
 	dulint	lsn;
 	ulint	arch_log_no;
-	
-	fprintf(stderr, "InnoDB: Starting shutdown...\n");
+
+	ut_print_timestamp(stderr);
+	fprintf(stderr, "  InnoDB: Starting shutdown...\n");
 
 	/* Wait until the master thread and all other operations are idle: our
 	algorithm only works if the server is idle at shutdown */
@@ -2725,7 +2726,8 @@ logs_empty_and_mark_files_at_shutdown(void)
 
 	fil_flush_file_spaces(FIL_TABLESPACE);
 
-	fprintf(stderr, "InnoDB: Shutdown completed\n");
+	ut_print_timestamp(stderr);
+	fprintf(stderr, "  InnoDB: Shutdown completed\n");
 }
 
 /**********************************************************

innobase/srv/srv0start.c

@@ -813,7 +813,8 @@ innobase_start_or_create_for_mysql(void)
 	/* Create the thread which watches the timeouts for lock waits */
 	os_thread_create(&srv_lock_timeout_monitor_thread, NULL,
 					thread_ids + 2 + SRV_MAX_N_IO_THREADS);	
-	fprintf(stderr, "InnoDB: Started\n");
+	ut_print_timestamp(stderr);
+	fprintf(stderr, "  InnoDB: Started\n");
 
 	srv_was_started = TRUE;
 	srv_is_being_started = FALSE;
@@ -835,8 +836,9 @@ innobase_shutdown_for_mysql(void)
 {
         if (!srv_was_started) {
 	  if (srv_is_being_started) {
+	    ut_print_timestamp(stderr);
             fprintf(stderr, 
-	"InnoDB: Warning: shutting down not properly started database\n");
+	"  InnoDB: Warning: shutting down a not properly started database\n");
 	  }
 	  return(DB_SUCCESS);
 	}

innobase/ut/ut0ut.c

@@ -49,6 +49,43 @@ ut_difftime(
 	return(difftime(time2, time1));
 }
 
+/**************************************************************
+Prints a timestamp to a file. */
+
+void
+ut_print_timestamp(
+/*===============*/
+	FILE*  file) /* in: file where to print */
+{
+  struct tm* cal_tm_ptr;
+  struct tm  cal_tm;
+  time_t     tm;
+
+ try_again:
+  time(&tm);
+
+  cal_tm_ptr = localtime(&tm);
+
+  memcpy(&cal_tm, cal_tm_ptr, sizeof(struct tm));
+
+  /* In theory localtime may return a wrong result because its return
+  struct is not protected with a mutex */
+
+  if (difftime(tm, mktime(&cal_tm)) > 0.5
+      || difftime(tm, mktime(&cal_tm)) < -0.5) {
+
+    goto try_again;
+  }
+
+  fprintf(file,"%02d%02d%02d %2d:%02d:%02d",
+	  cal_tm.tm_year % 100,
+	  cal_tm.tm_mon+1,
+	  cal_tm.tm_mday,
+	  cal_tm.tm_hour,
+	  cal_tm.tm_min,
+	  cal_tm.tm_sec);
+}
+
 /*****************************************************************
 Runs an idle loop on CPU. The argument gives the desired delay
 in microseconds on 100 MHz Pentium + Visual C++. */