Date: Sun, 1 Jun 1997 02:40:43 +0200 From: j@uriah.heep.sax.de (J Wunsch) To: freebsd-hackers@freebsd.org (FreeBSD hackers) Cc: un_x@anchorage.net (Steve Howe) Subject: Re: Borland 16bit bcc vs cc/gcc (float) Message-ID: <19970601024043.PG35696@uriah.heep.sax.de> In-Reply-To: <1.5.4.32.19970531220152.008b46f0@mindspring.com>; from Kevin P. Neal on May 31, 1997 18:01:52 -0400 References: <1.5.4.32.19970531220152.008b46f0@mindspring.com>
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As Kevin P. Neal wrote:
> Who says you always have to use exit()?
>
> In fact, I've observed C++ code that never calls the destructors if you
> exit() of out a program.
Global destructors should be called. Destructors for objects local to
main(), of course, not.
j@uriah 119% cat foo.cc
#include <ostream.h>
#include <stdlib.h>
class myobj {
static int count;
public:
myobj() { cout << "Created my object # " << ++count << "\n"; }
~myobj() { cout << "Destroyed my object, " << --count <<
" remaining.\n"; }
};
int myobj::count = 0;
myobj y;
int
main(int argc, char **argv)
{
myobj x;
if (argc > 1)
exit(0);
}
j@uriah 120% c++ foo.cc
j@uriah 121% ./a.out
Created my object # 1
Created my object # 2
Destroyed my object, 1 remaining.
Destroyed my object, 0 remaining.
j@uriah 122% ./a.out "call exit() now"
Created my object # 1
Created my object # 2
Destroyed my object, 1 remaining.
--
cheers, J"org
joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)
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