Made signal handling more uniform. Fixes #82102

platform/linuxbsd/crash_handler_linuxbsd.cpp

@@ -49,6 +49,10 @@
 #include <stdlib.h>
 
 static void handle_crash(int sig) {
+	signal(SIGSEGV, SIG_DFL);
+	signal(SIGFPE, SIG_DFL);
+	signal(SIGILL, SIG_DFL);
+
 	if (OS::get_singleton() == nullptr) {
 		abort();
 	}
@@ -156,9 +160,9 @@ void CrashHandler::disable() {
 	}
 
 #ifdef CRASH_HANDLER_ENABLED
-	signal(SIGSEGV, nullptr);
-	signal(SIGFPE, nullptr);
-	signal(SIGILL, nullptr);
+	signal(SIGSEGV, SIG_DFL);
+	signal(SIGFPE, SIG_DFL);
+	signal(SIGILL, SIG_DFL);
 #endif
 
 	disabled = true;

platform/macos/crash_handler_macos.mm

@@ -72,6 +72,10 @@ static uint64_t load_address() {
 }
 
 static void handle_crash(int sig) {
+	signal(SIGSEGV, SIG_DFL);
+	signal(SIGFPE, SIG_DFL);
+	signal(SIGILL, SIG_DFL);
+
 	if (OS::get_singleton() == nullptr) {
 		abort();
 	}
@@ -186,9 +190,9 @@ void CrashHandler::disable() {
 	}
 
 #ifdef CRASH_HANDLER_ENABLED
-	signal(SIGSEGV, nullptr);
-	signal(SIGFPE, nullptr);
-	signal(SIGILL, nullptr);
+	signal(SIGSEGV, SIG_DFL);
+	signal(SIGFPE, SIG_DFL);
+	signal(SIGILL, SIG_DFL);
 #endif
 
 	disabled = true;