feat: c++abi: introduce atexit ptr to cleanup data when exiting program.

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

1 files changed, 11 insertions, 1 deletions

diff --git a/dev/LibC++/base_process.h b/dev/LibC++/base_process.h
index 126ac60..900198f 100644
--- a/dev/LibC++/base_process.h
+++ b/dev/LibC++/base_process.h
@@ -12,7 +12,10 @@
 /// @param code the exit code.
 /// @return the return > 0 for non successful.
 extern "C" int exit_(int code);
-extern "C" int signal_(int code);
+
+/// @brief CRT signal handler.
+/// @param code the signal code.
+extern "C" void signal_(int code);
 
 /// @brief Standard C++ namespace
 namespace std::base_process {
@@ -21,7 +24,14 @@ inline int signal(int code) {
   return -1;
 }
 
+extern "C" void (*__atexit_lst_ptr)(void);
+extern "C" size_t __atexit_lst_cnt;
+
 inline int exit(int code) {
+  for (auto i = 0UL; i < __atexit_lst_cnt; ++i) {
+    __atexit_lst_ptr();
+  }
+
   exit_(code);
   return -1;
 }