From 95d85de7d5eb11653e1060168904171238a85721 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Thu, 5 Sep 2013 10:34:09 +0000
Subject: git-svn-id:
 svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6263
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/nil/include/nil.h | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'os/nil/include')

diff --git a/os/nil/include/nil.h b/os/nil/include/nil.h
index ea6839d6b..da79370d7 100644
--- a/os/nil/include/nil.h
+++ b/os/nil/include/nil.h
@@ -549,6 +549,17 @@ typedef struct {
  */
 #define chSysUnlockFromISR() port_unlock_from_isr()
 
+/**
+ * @brief   Evaluates if a reschedule is required.
+ *
+ * @retval true         if there is a thread that must go in running state
+ *                      immediately.
+ * @retval false        if preemption is not required.
+ *
+ * @iclass
+ */
+#define chSchIsRescRequiredI() ((bool)(nil.current != nil.next))
+
 /**
  * @brief   Delays the invoking thread for the specified number of seconds.
  * @note    The specified time is rounded up to a value allowed by the real
@@ -716,8 +727,8 @@ extern "C" {
   syssts_t chSysGetStatusAndLockX(void);
   void chSysRestoreStatusX(syssts_t sts);
   thread_reference_t chSchReadyI(thread_reference_t trp, msg_t msg);
-  msg_t chSchGoSleepTimeoutS(tstate_t newstate, systime_t timeout);
   void chSchRescheduleS(void);
+  msg_t chSchGoSleepTimeoutS(tstate_t newstate, systime_t timeout);
   msg_t chThdSuspendTimeoutS(thread_reference_t *trp, systime_t timeout);
   void chThdResumeI(thread_reference_t *trp, msg_t msg);
   void chThdSleep(systime_t time);
-- 
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