dev, kernel: scheduler, timer: hw timer and scheduler improvements.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 10 insertions, 1 deletions

diff --git a/dev/kernel/src/UserProcessScheduler.cc b/dev/kernel/src/UserProcessScheduler.cc
index 8df98f87..7aded611 100644
--- a/dev/kernel/src/UserProcessScheduler.cc
+++ b/dev/kernel/src/UserProcessScheduler.cc
@@ -31,8 +31,10 @@ namespace Kernel
 
 	STATIC UInt32 kLastExitCode = 0U;
 
+	STATIC BOOL kCurrentlySwitching = No;
+
 	/***********************************************************************************/
-	/// @brief External reference of the thread scheduler.
+	/// @brief Scheduler itself.
 	/***********************************************************************************/
 
 	STATIC UserProcessScheduler kScheduler;
@@ -470,6 +472,8 @@ namespace Kernel
 			return 0UL;
 		}
 
+		kCurrentlySwitching = Yes;
+
 		for (; process_index < mTeam.AsArray().Capacity(); ++process_index)
 		{
 			auto& process = mTeam.AsArray()[process_index];
@@ -502,6 +506,8 @@ namespace Kernel
 			}
 		}
 
+		kCurrentlySwitching = No;
+
 		return process_index;
 	}
 
@@ -524,6 +530,9 @@ namespace Kernel
 		if (team.AsArray().Count() < 1)
 			return No;
 
+		if (kCurrentlySwitching)
+			return No;
+
 		kScheduler.mTeam = team;
 
 		return Yes;