Fix async resume in the timer dedicated timer.

The timer dedicated timer may end up running script routes (like failure route), so it may trigger some async operations. So, the dedicated timer process must be async enabled.

timer.c

@@ -33,6 +33,10 @@
  * \brief Timer handling
  */
 
+/* keep this first as it needs to include some glib h file with
+ * special defines enabled (mainly sys/types.h) */
+#include "reactor.h"
+
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/select.h>
@@ -601,34 +605,69 @@ int start_timer_processes(void)
 }
 
 
+inline static int handle_io(struct fd_map* fm, int idx,int event_type)
+{
+	switch(fm->type){
+		case F_TIMER_JOB:
+			handle_timer_job();
+			return 0;
+		case F_SCRIPT_ASYNC:
+			async_script_resume_f( &fm->fd, fm->data);
+			return 0;
+		case F_FD_ASYNC:
+			async_fd_resume( &fm->fd, fm->data);
+			return 0;
+		default:
+			LM_CRIT("unknown fd type %d in Timer Extra\n", fm->type);
+			return -1;
+	}
+	return -1;
+}
+
+
 int start_timer_extra_processes(int *chd_rank)
 {
 	pid_t pid;
 
 	(*chd_rank)++;
 	if ( (pid=internal_fork( "Timer handler"))<0 ) {
 		LM_CRIT("cannot fork Timer handler process\n");
-		goto error;
+		return -1;
 	} else if (pid==0) {
 		/* new Timer process */
 		/* set a more detailed description */
 			set_proc_attrs("Timer handler");
 			if (init_child(*chd_rank) < 0) {
 				report_failure_status();
-				exit(-1);
+				goto error;
 			}
 
 			report_conditional_status( 1, 0);
 
-			while(1) { handle_timer_job(); }
+			/* create the reactor for timer proc */
+			if ( init_worker_reactor( "Timer_extra", RCT_PRIO_MAX)<0 ) {
+				LM_ERR("failed to init reactor\n");
+				goto error;
+			}
+
+			/* init: start watching for the timer jobs */
+			if (reactor_add_reader( timer_fd_out, F_TIMER_JOB,
+			RCT_PRIO_TIMER,NULL)<0){
+				LM_CRIT("failed to add timer pipe_out to reactor\n");
+				goto error;
+			}
+
+			/* launch the reactor */
+			reactor_main_loop( 1/*timeout in sec*/, error , );
 
 			exit(-1);
 	}
 	/*parent*/
 	return 0;
 
+/* only from child process */
 error:
-	return -1;
+	exit(-1);
 }
 
 
@@ -645,6 +684,7 @@ void handle_timer_job(void)
 		LM_ERR("read failed:[%d] %s\n", errno, strerror(errno));
 		return;
 	}
+	LM_WARN("----running <%s>\n",t->label);
 
 	/* run the handler */
 	if (t->flags&TIMER_FLAG_IS_UTIMER) {