apps/system/init: Add C++ terminate handler support

This patch adds global terminate handler for unhandled C++ exceptions.
The handler will print exception information and call PANIC() when
an unhandled exception occurs.

and Corrected a typo in `init.c`

Author: pcs1265

apps/system/init/Makefile

@@ -65,14 +65,21 @@ endif
 
 ASRCS =
 CSRCS =
+
+ifeq ($(CONFIG_HAVE_CXX)$(CONFIG_LIBCXX_EXCEPTION),yy)
+CXXSRCS = terminate_handler.cxx
+else
+CXXSRCS =
+endif
 MAINSRC = init.c
 
 AOBJS = $(ASRCS:.S=$(OBJEXT))
 COBJS = $(CSRCS:.c=$(OBJEXT))
+CXXOBJS = $(CXXSRCS:.cxx=$(OBJEXT))
 MAINOBJ = $(MAINSRC:.c=$(OBJEXT))
 
-SRCS = $(ASRCS) $(CSRCS) $(MAINSRC)
-OBJS = $(AOBJS) $(COBJS)
+SRCS = $(ASRCS) $(CSRCS) $(CXXSRCS) $(MAINSRC)
+OBJS = $(AOBJS) $(COBJS) $(CXXOBJS)
 
 ifneq ($(CONFIG_BUILD_KERNEL),y)
   OBJS += $(MAINOBJ)
@@ -112,6 +119,9 @@ $(AOBJS): %$(OBJEXT): %.S
 $(COBJS) $(MAINOBJ): %$(OBJEXT): %.c
 	$(call COMPILE, $<, $@)
 
+$(CXXOBJS): %$(OBJEXT): %.cxx
+	$(call COMPILEXX, $<, $@)
+
 .built: $(OBJS)
 	$(call ARCHIVE, $(BIN), $(OBJS))
 	$(Q) touch .built

apps/system/init/init.c

@@ -58,6 +58,9 @@
 #include <semaphore.h>
 #include <errno.h>
 #endif
+#ifdef CONFIG_LIBCXX_EXCEPTION
+extern void register_cxx_terminate_handler(void);
+#endif
 
 /****************************************************************************
  * Pre-processor Definitions
@@ -74,7 +77,7 @@ extern void iotjs_register_cmds(void);
 #endif
 
 /****************************************************************************
- * Pravite Functions
+ * Private Functions
  ****************************************************************************/
 #ifdef CONFIG_TASH
 static void tash_register_cmds(void)
@@ -131,6 +134,9 @@ int preapp_start(int argc, char *argv[])
 
 	up_cxxinitialize();
 #endif
+#ifdef CONFIG_LIBCXX_EXCEPTION
+	register_cxx_terminate_handler();
+#endif
 
 #ifdef CONFIG_SYSTEM_INFORMATION
 	sysinfo();

apps/system/init/terminate_handler.cxx

@@ -0,0 +1,75 @@
+/****************************************************************************
+ *
+ * Copyright 2026 Samsung Electronics All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ ****************************************************************************/
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <tinyara/config.h>
+#include <tinyara/security_level.h>
+
+#include <cstdio>
+#include <debug.h>
+#include <exception>
+#include <stdlib.h>
+#include <typeinfo>
+#include <sched.h>
+
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+static void __global_terminate_handler(void)
+{
+	if (!IS_SECURE_STATE()) {
+		sched_lock();
+		printf("C++ terminate handler called! PID: %d\n", getpid());
+		
+#ifdef CONFIG_LIBCXX_EXCEPTION
+		// Check if there's an active exception
+		std::exception_ptr exptr = std::current_exception();
+		if (exptr) {
+			try {
+				std::rethrow_exception(exptr);
+			} catch (const std::exception& e) {
+				try {
+					printf("Exception Type: %s\n", typeid(e).name());
+					printf("Exception Message: %s\n", e.what());
+				} catch (...) {
+					printf("Exception info extraction failed\n");
+				}
+			} catch (...) {
+				printf("Unknown exception type\n");
+			}
+		} else {
+			printf("No active exception\n");
+		}
+#endif
+	}
+
+	PANIC();
+}
+
+//***************************************************************************
+// Public Functions
+//***************************************************************************
+
+extern "C" void register_cxx_terminate_handler(void)
+{
+    std::set_terminate(__global_terminate_handler);
+}