diff --git a/kernel/kernel/Process.cpp b/kernel/kernel/Process.cpp
index 33e910cf..43d19763 100644
--- a/kernel/kernel/Process.cpp
+++ b/kernel/kernel/Process.cpp
@@ -2983,6 +2983,9 @@ namespace Kernel
 
 	void Process::wait_while_stopped()
 	{
+		if (!m_stopped) [[likely]]
+			return;
+
 		for (;;)
 		{
 			while (Thread::current().will_exit_because_of_signal())
diff --git a/kernel/kernel/Thread.cpp b/kernel/kernel/Thread.cpp
index 112adffc..cbf6a70e 100644
--- a/kernel/kernel/Thread.cpp
+++ b/kernel/kernel/Thread.cpp
@@ -609,16 +609,15 @@ namespace Kernel
 			SpinLockGuard _2(m_process->m_signal_lock);
 
 			const uint64_t process_signal_pending_mask = m_process->m_signal_pending_mask;
-			const uint64_t full_pending_mask = m_signal_pending_mask | process_signal_pending_mask;
-			for (signal = _SIGMIN; signal <= _SIGMAX; signal++)
-			{
-				const uint64_t mask = 1ull << signal;
-				if ((full_pending_mask & mask) && !(m_signal_block_mask & mask))
-					break;
-			}
-			if (signal > _SIGMAX)
+			const uint64_t full_pending_mask = (m_signal_pending_mask | process_signal_pending_mask) & ~m_signal_block_mask;
+			if (full_pending_mask == 0) [[likely]]
 				return false;
 
+			for (signal = _SIGMIN; signal <= _SIGMAX; signal++)
+				if (full_pending_mask & (1ull << signal))
+					break;
+			ASSERT(signal <= _SIGMAX);
+
 			if (process_signal_pending_mask & (1ull << signal))
 				signal_info = m_process->m_signal_infos[signal];
 			else