I've got a shared library (.so) I wrote in C, with initialization and
finalization code declared by using the GCC attributes constructor and
destructor. These init and fini functions simply print out "start" and
"stop" to stdout. The .so exports one function, which prints out
"Hello".
I've got a test program (also written in C) which calls the .so's
function. What I see on stdout is
start
Hello
stop
Just like you'd expect.
I wrote a Free Pascal test program which also uses the .so. However,
what I see is this:
start
Hello
So for some reason, the fini never seems to get called! I thought this
was strange, so I wrote a similar library in free pascal:
==============================================
library subs;
procedure SayHello (); cdecl; export;
begin
writeln('Hello ');
end;
exports
SayHello;
initialization
writeln('start');
finalization
writeln('done');
end.
==============================================
Again, I ran a c test program against it and a fpc test program
against it. The C program's output was:
start
Hello
stop
The freepascal program's output was:
Hello
What's going on here?
With humble thanks,
Seth Grover
--
Seth Grover
sethdgrover[at]gmail[dot]com
http://grovers.us/seth
Who is John Galt?
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