--- a/thermferm/thermferm.c Sat Aug 16 17:11:09 2014 +0200
+++ b/thermferm/thermferm.c Mon Aug 18 15:10:09 2014 +0200
@@ -35,6 +35,8 @@
int my_shutdown = FALSE;
static pid_t pgrp, mypid;
+int run_pause = FALSE;
+int run_hold = FALSE;
extern int debug;
extern sys_config Config;
@@ -500,6 +502,31 @@
if (my_shutdown)
run = 0;
+ /*
+ * Use to stop processing units. Should be used when a unit is
+ * added or removed.
+ */
+ if (run_pause) {
+ run_hold = TRUE;
+ syslog(LOG_NOTICE, "run_pause: entering hold state");
+ for (;;) {
+ usleep(100000);
+ if (! run_pause)
+ break;
+ }
+ syslog(LOG_NOTICE, "run_pause: leaving hold state");
+ run_hold = FALSE;
+#ifdef HAVE_WIRINGPI_H
+ /*
+ * In case the LCD buffers were cleared, setup the first page.
+ */
+ piLock(LOCK_LCD);
+ lcd_buf_write(1, (char *)" ThermFerm ");
+ lcd_buf_write(2, (char *)" Version %s ", VERSION);
+ piUnlock(LOCK_LCD);
+#endif
+ }
+
now = time(NULL);
if (now != last) {
/*