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Date: Sun, 19 Aug 2012 18:26:45 +0200
From: musl <b.brezillon.musl@...il.com>
To: musl@...ts.openwall.com
Subject: ldso: dlclose.
Hi,
I noticed that the dlclose function is not implemented (always return 0).
It might be a problem in my case cause I use dlfuncs to implement a plugin system and when I unload a plugin, the memory
is not released.
Do you plan to implement this function ?
I can work on this but it seems that __cxa_finalize is not implemented either and the 'struct fl' (atexit.c) does not
contain any dso field.
Do you have some concern about how this should be done.
BTW I think there is a bug in the '__funcs_on_exit' (atexit.c) : only the first non null function of each function pool
is called.
Something like this should do the trick.
void __funcs_on_exit()
{
int i;
void (*func)(void *), *arg;
LOCK(lock);
for (; head; head=head->next) {
for (i=COUNT-1; i>=0 && !head->f[i]; i--);
if (i<0) continue;
for (; i>=0; i--) {
func = head->f[i];
arg = head->a[i];
head->f[i] = 0;
UNLOCK(lock);
func(arg);
LOCK(lock);
}
}
}
Regards,
Boris
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