added critical sections

Author: Rajmund Szymanski

IntrOS/interface/src/os_bar.c

@@ -2,7 +2,7 @@
 
     @file    IntrOS: os_bar.c
     @author  Rajmund Szymanski
-    @date    27.02.2017
+    @date    20.03.2017
     @brief   This file provides set of functions for IntrOS.
 
  ******************************************************************************
@@ -36,18 +36,19 @@ void bar_wait( bar_t *bar )
 
 	assert(bar);
 
-	bar->count--;
+	signal = bar->signal;
 
-	if (bar->count == 0)
+	port_sys_lock();
+
+	if (--bar->count == 0)
 	{
 		bar->count = bar->limit;
 		bar->signal++;
 	}
-	else
-	{
-		signal = bar->signal;
-		while (bar->signal == signal) tsk_yield();
-	}
+
+	port_sys_unlock();
+
+	while (bar->signal == signal) tsk_yield();
 }
 
 /* -------------------------------------------------------------------------- */

IntrOS/interface/src/os_cnd.c

@@ -2,7 +2,7 @@
 
     @file    IntrOS: os_cnd.c
     @author  Rajmund Szymanski
-    @date    27.02.2017
+    @date    20.03.2017
     @brief   This file provides set of functions for IntrOS.
 
  ******************************************************************************
@@ -40,7 +40,6 @@ void cnd_wait( cnd_t *cnd, mtx_t *mtx )
 	mtx_give(mtx);
 
 	signal = cnd->signal;
-
 	while (cnd->signal == signal) tsk_yield();
 
 	mtx_wait(mtx);

IntrOS/interface/src/os_mtx.c

@@ -2,7 +2,7 @@
 
     @file    IntrOS: os_mtx.c
     @author  Rajmund Szymanski
-    @date    11.01.2017
+    @date    20.03.2017
     @brief   This file provides set of functions for IntrOS.
 
  ******************************************************************************
@@ -37,13 +37,17 @@ unsigned mtx_take( mtx_t *mtx )
 	assert(mtx);
 	assert(mtx->owner != Current);
 
+	port_sys_lock();
+
 	if (mtx->owner == 0)
 	{
 		mtx->owner = Current;
 
 		event = E_SUCCESS;
 	}
 
+	port_sys_unlock();
+
 	return event;
 }
 
@@ -62,13 +66,17 @@ unsigned mtx_give( mtx_t *mtx )
 
 	assert(mtx);
 
+	port_sys_lock();
+
 	if (mtx->owner == Current)
 	{
 	    mtx->owner = 0;
 
 		event = E_SUCCESS;
 	}
 
+	port_sys_unlock();
+
 	return event;
 }
 

IntrOS/kernel/oskernel.h

@@ -2,7 +2,7 @@
 
     @file    IntrOS: oskernel.h
     @author  Rajmund Szymanski
-    @date    08.03.2017
+    @date    20.03.2017
     @brief   This file defines set of kernel functions for IntrOS.
 
  ******************************************************************************
@@ -42,6 +42,11 @@ extern sys_t System; // system data
 
 /* -------------------------------------------------------------------------- */
 
+#define Counter System.cnt
+#define Current System.cur
+
+/* -------------------------------------------------------------------------- */
+
 // initiating and running the system timer
 // the port_sys_init procedure is normally called as a constructor
 __CONSTRUCTOR

IntrOS/port/osport.h

@@ -2,7 +2,7 @@
 
     @file    IntrOS: osport.h
     @author  Rajmund Szymanski
-    @date    24.01.2017
+    @date    20.03.2017
     @brief   IntrOS port definitions for Cortex-Mx uC.
 
  ******************************************************************************
@@ -44,11 +44,6 @@ extern "C" {
 
 /* -------------------------------------------------------------------------- */
 
-#define  Counter System.cnt
-#define  Current System.cur
-
-/* -------------------------------------------------------------------------- */
-
 #ifndef CPU_FREQUENCY
 #error   osconfig.h: Undefined CPU_FREQUENCY value!
 #endif