Kernel: Fix spinlock bugs found by the new spinlock security

kernel/kernel/Networking/UNIX/Socket.cpp

@@ -281,10 +281,11 @@ namespace Kernel
 		if (!is_streaming())
 			m_packet_sizes.push(packet.size());
 
-		epoll_notify(EPOLLIN);
-
 		m_packet_thread_blocker.unblock();
 		m_packet_lock.unlock(state);
+
+		epoll_notify(EPOLLIN);
+
 		return {};
 	}
 

kernel/kernel/Terminal/PseudoTerminal.cpp

@@ -87,6 +87,7 @@ namespace Kernel
 	}
 
 	bool PseudoTerminalMaster::putchar(uint8_t ch)
+	{
 		{
 			SpinLockGuard _(m_buffer_lock);
 
@@ -96,9 +97,10 @@ namespace Kernel
 			reinterpret_cast<uint8_t*>(m_buffer->vaddr())[(m_buffer_tail + m_buffer_size) % m_buffer->size()] = ch;
 			m_buffer_size++;
 
-		epoll_notify(EPOLLIN);
-
 			m_buffer_blocker.unblock();
+		}
+
+		epoll_notify(EPOLLIN);
 
 		return true;
 	}
@@ -130,10 +132,10 @@ namespace Kernel
 		m_buffer_size -= to_copy;
 		m_buffer_tail = (m_buffer_tail + to_copy) % m_buffer->size();
 
-		epoll_notify(EPOLLOUT);
-
 		m_buffer_lock.unlock(state);
 
+		epoll_notify(EPOLLOUT);
+
 		return to_copy;
 	}