added alive_sleep() function to let GDB alive packets be sent

[openocd.git] / src / helper / log.c

diff --git a/src/helper/log.c b/src/helper/log.c
index f8dc1a3a199f95cca7f1a3bd0e3ff3c51da7431c..efe5d5bb949ff2bafc816d82fef3f90e4be03cb9 100644 (file)
--- a/src/helper/log.c
+++ b/src/helper/log.c
@@ -107,9 +107,12 @@ static void log_puts(enum log_levels level, const char *file, int line, const ch
                }
                else
                {
-                       /* print human readable output */
-                       fprintf(log_output, "%s%s",
-                                       (level > LOG_LVL_USER)?log_strings[level+1]:"", string);
+                       if (strcmp(string, "\n")!=0)
+                       {
+                               /* print human readable output - but skip empty lines */
+                               fprintf(log_output, "%s%s",
+                                               (level > LOG_LVL_USER)?log_strings[level+1]:"", string);
+                       }
                }
        } else
        {
@@ -382,3 +385,20 @@ void kept_alive()
        current_time=timeval_ms();
        last_time=current_time;
 }
+
+/* if we sleep for extended periods of time, we must invoke keep_alive() intermittantly */
+void alive_sleep(int ms)
+{
+       int i;
+       for (i=0; i<ms; i+=500)
+       {
+               int sleep_a_bit=ms-i;
+               if (sleep_a_bit>500)
+               {
+                       sleep_a_bit=500;
+               }
+               keep_alive();
+               usleep(sleep_a_bit*1000);
+               keep_alive();
+       }
+}