That may be the wrong place, but R5's libroot prints 'Abort' when abort() was called. That's at least a helpful clue, when you see your program terminate spontaneously.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10951 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kernel/libroot/posix/stdlib/exit.c

@@ -25,6 +25,8 @@ static int32 sExitStackIndex = 0;
 void
 abort()
 {
+	fprintf(stderr, "Abort\n");
+
 	raise(SIGABRT);
 	exit(EXIT_FAILURE);
 }