[tyndur-devel] [PATCH] kernel2: pm_scheduler_yield()

[Antoine Kaufmann <toni@xxxxxxxxxx>]

From: Kevin Wolf <kevin@xxxxxxxxxx>

+ kernel2: pm_scheduler_yield um Kontrolle an einen anderen Thread zu
           uebergeben.

Signed-off-by: Kevin Wolf <kevin@xxxxxxxxxx>
---
 src/kernel2/include/tasks.h       |    3 +++
 src/kernel2/src/tasks/scheduler.c |    9 +++++++++
 2 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/src/kernel2/include/tasks.h b/src/kernel2/include/tasks.h
index d1b031c..bba42d5 100644
--- a/src/kernel2/include/tasks.h
+++ b/src/kernel2/include/tasks.h
@@ -197,6 +197,9 @@ void pm_scheduler_get(pm_thread_t* thread);
 /// Einen ausgefuerten Thread wieder zurueck an den Scheduler geben
 void pm_scheduler_push(pm_thread_t* thread);
 
+/// Kontrolle vom aktuellen Kernelthread an einen anderen Thread abgeben
+void pm_scheduler_yield(void);
+
 /**
  * Initialisierung
  */
diff --git a/src/kernel2/src/tasks/scheduler.c b/src/kernel2/src/tasks/scheduler.c
index 90e457a..84c7348 100644
--- a/src/kernel2/src/tasks/scheduler.c
+++ b/src/kernel2/src/tasks/scheduler.c
@@ -37,6 +37,7 @@
 #include <lost/config.h>
 #include <stdlib.h>
 #include <collections.h>
+#include <syscallno.h>
 
 #include "kernel.h"
 #include "tasks.h"
@@ -211,3 +212,11 @@ void pm_scheduler_push(pm_thread_t* thread)
     unlock(&thread->lock);
 }
 
+/**
+ * Kontrolle vom aktuellen Kernelthread an einen anderen Thread abgeben
+ */
+void pm_scheduler_yield(void)
+{
+    asm volatile("int $0x30;" : : "a" (SYSCALL_PM_SLEEP));
+}
+
-- 
1.6.4.4