From 6329c8c982ea078c237bc2f4febdfd1d1668a188 Mon Sep 17 00:00:00 2001
From: Rodrigo Arias <rodrigo.arias@bsc.es>
Date: Thu, 8 Sep 2022 09:51:39 +0200
Subject: [PATCH] Add support for Nanos6 signal event

---
 emu.h        | 1 +
 emu_nanos6.c | 1 +
 pcf.c        | 1 +
 3 files changed, 3 insertions(+)

diff --git a/emu.h b/emu.h
index f4d38da..574d9fa 100644
--- a/emu.h
+++ b/emu.h
@@ -130,6 +130,7 @@ enum nanos6_ss_state {
 	EV_NANOS6_SCHED_SELF,
 	EV_NANOS6_CPU_IDLE,
 	EV_NANOS6_CPU_ACTIVE,
+	EV_NANOS6_SIGNAL,
 };
 
 enum nanos6_thread_type {
diff --git a/emu_nanos6.c b/emu_nanos6.c
index 22450d9..8decea4 100644
--- a/emu_nanos6.c
+++ b/emu_nanos6.c
@@ -383,6 +383,7 @@ pre_worker(struct ovni_emu *emu)
 		case 'S': chan_pop (chan_th, ST_NANOS6_SUSPEND); break;
 		case 'r': chan_push(chan_th, ST_NANOS6_RESUME); break;
 		case 'R': chan_pop (chan_th, ST_NANOS6_RESUME); break;
+		case '*': chan_ev  (chan_th, EV_NANOS6_SIGNAL); break;
 		default:
 			edie(emu, "unknown Nanos6 worker event\n");
 	}
diff --git a/pcf.c b/pcf.c
index 1037657..e03140d 100644
--- a/pcf.c
+++ b/pcf.c
@@ -200,6 +200,7 @@ struct pcf_value_label nanos6_ss_values[] = {
 	{ EV_NANOS6_SCHED_SELF,       "EV Scheduler: Self-assign task" },
 	{ EV_NANOS6_CPU_IDLE,         "EV CPU: Becomes idle" },
 	{ EV_NANOS6_CPU_ACTIVE,       "EV CPU: Becomes active" },
+	{ EV_NANOS6_SIGNAL,           "EV Worker: Wakening another thread" },
 	{ -1, NULL },
 };