misc stuff

Signed-off-by: Mattias Andrée <m@maandree.se>

1 files changed, 22 insertions, 1 deletions

diff --git a/src/common.h b/src/common.h
index aa9af94..b50bb6a 100644
--- a/src/common.h
+++ b/src/common.h
@@ -368,6 +368,11 @@ enum program_mode {
 	PROGRAM_MODE_ONE_SHOT,
 
 	/**
+	 * Update temperature once and reset when killed
+	 */
+	PROGRAM_MODE_UNTIL_DEATH,
+
+	/**
 	 * Print setting and exit
 	 */
 	PROGRAM_MODE_PRINT,
@@ -632,8 +637,8 @@ struct setting_time {
 };
 
 struct settings {
-	/* Path to config file */
 	const char *config_file;
+	int until_death;
 
 	struct config_ini_state config;
 
@@ -1103,6 +1108,22 @@ void run_period_change_hooks(enum period prev_period, enum period period);
  */
 void install_signal_handlers(void);
 
+/**
+ * Install signal handlers for forcefully terminating
+ * the process
+ * 
+ * This is useful if slave thread is blocked
+ * 
+ * SIGINT, SIGTERM, and SIGQUIT are set to at the
+ * first arrival arm a SIGARLM timer with a short
+ * expiration time, and on the second arrival
+ * immediately terminate the process. SIGARLM is
+ * set to immediately terminate the process.
+ */
+#ifndef WINDOWS
+void install_forceful_exit_signal_handlers(void);
+#endif
+
 
 /* util.c */