From: Matthias Kruk <m@m10k.eu>
Date: Mon, 25 Nov 2019 06:22:45 +0000 (+0900)
Subject: Suspend the executing task, if the caller of sched_task_suspend() is attempting to... 
X-Git-Url: https://git.corax.cc/?a=commitdiff_plain;h=57530ebfa537fca2fa0ccd2f8b5629f99c159042;p=corax

Suspend the executing task, if the caller of sched_task_suspend() is attempting to suspend itself
---

diff --git a/kernel/core/sched.c b/kernel/core/sched.c
index 00f458f..15a8a0f 100644
--- a/kernel/core/sched.c
+++ b/kernel/core/sched.c
@@ -225,12 +225,14 @@ int sched_signal(pid_t pid)
 
 int sched_task_suspend(task_t *t)
 {
+	task_t *ctask;
 	int ret_val;
 
 	ret_val = -EALREADY;
+    ctask = task_get_current();
 
 	if(!t) {
-		t = task_get_current();
+		t = ctask;
 	}
 
 	task_lock(t);
@@ -248,5 +250,10 @@ int sched_task_suspend(task_t *t)
 
 	task_unlock(t);
 
+	if(t == ctask) {
+		/* schedule a different task */
+		sched_tick();
+	}
+
 	return(ret_val);
 }