From a9b4e8fc7225e8e2f26554b388f9d069d8f05b5e Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Fri, 16 Jan 2009 15:41:08 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@621
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 src/chsys.c | 32 ++++++++------------------------
 1 file changed, 8 insertions(+), 24 deletions(-)

(limited to 'src/chsys.c')

diff --git a/src/chsys.c b/src/chsys.c
index 45ce8b0f8..2f4c796a8 100644
--- a/src/chsys.c
+++ b/src/chsys.c
@@ -52,6 +52,7 @@ static void idle_thread(void *p) {
 void chSysInit(void) {
   static Thread mainthread;
 
+  sys_init();
   chSchInit();
   chDbgInit();
   chVTInit();
@@ -94,37 +95,20 @@ void chSysTimerHandlerI(void) {
   chVTDoTickI();
 }
 
-#if !defined(CH_OPTIMIZE_SPEED)
-/**
- * Enters the ChibiOS/RT system mutual exclusion zone.
- * @note The use of system mutual exclusion zone is not recommended in
- *       the user code, it is a better idea to use the semaphores or mutexes
- *       instead.
- * @note The code of this API is may be inlined or not depending on the
- *       @p CH_OPTIMIZE_SPEED setting.
- * @see CH_USE_NESTED_LOCKS, chSysLockInline()
- */
+#if defined(CH_USE_NESTED_LOCKS) && !defined(CH_OPTIMIZE_SPEED)
 void chSysLock(void) {
 
-  chSysLockInline();
+  chDbgAssert(currp->p_locks >= 0, "chinit.c, chSysLock()");
+  if (currp->p_locks++ == 0)
+    sys_lock();
 }
 
-/**
- * Leaves the ChibiOS/RT system mutual exclusion zone.
- * @note The use of system mutual exclusion zone is not recommended in
- *       the user code, it is a better idea to use the semaphores or mutexes
- *       instead.
- * @note The code of this API is may be inlined or not depending on the
- *       @p CH_OPTIMIZE_SPEED setting.
- * @see CH_USE_NESTED_LOCKS, chSysUnlockInline()
- */
 void chSysUnlock(void) {
 
-#ifdef CH_USE_NESTED_LOCKS
   chDbgAssert(currp->p_locks > 0, "chinit.c, chSysUnlock()");
-#endif
-  chSysUnlockInline();
+  if (--currp->p_locks == 0)
+    sys_unlock();
 }
-#endif /* !CH_OPTIMIZE_SPEED */
+#endif /* defined(CH_USE_NESTED_LOCKS) && !defined(CH_OPTIMIZE_SPEED) */
 
 /** @} */
-- 
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