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/*
* COmmon routine to call call registered atexit-like routines.
*/
#include <stdlib.h>
#include <reent.h>
#include "atexit.h"
/*
* Call registered exit handlers. If D is null then all handlers are called,
* otherwise only the handlers from that DSO are called.
*/
void
_DEFUN (__call_exitprocs, (code, d),
int code _AND _PTR d)
{
register struct _atexit *p;
struct _atexit **lastp;
register struct _on_exit_args * args;
register int n;
int i;
void (*fn) (void);
p = _GLOBAL_REENT->_atexit;
lastp = &_GLOBAL_REENT->_atexit;
while (p)
{
#ifdef _REENT_SMALL
args = p->_on_exit_args_ptr;
#else
args = &p->_on_exit_args;
#endif
for (n = p->_ind - 1; n >= 0; n--)
{
i = 1 << n;
/* Skip functions not from this dso. */
if (d && (!args || args->_dso_handle[n] != d))
continue;
/* Remove the function now to protect against the
function calling exit recursively. */
fn = p->_fns[n];
if (n == p->_ind - 1)
p->_ind--;
else
p->_fns[n] = NULL;
/* Skip functions that have already been called. */
if (!fn)
continue;
/* Call the function. */
if (!args || (args->_fntypes & i) == 0)
fn ();
else if ((args->_is_cxa & i) == 0)
(*((void (*)(int, _PTR)) fn))(code, args->_fnargs[n]);
else
(*((void (*)(_PTR)) fn))(args->_fnargs[n]);
}
/* Move to the next block. Free empty blocks except the last one,
which is part of _GLOBAL_REENT. */
if (p->_ind == 0 && p->_next)
{
/* Remove empty block from the list. */
*lastp = p->_next;
#ifdef _REENT_SMALL
if (args)
free (args);
#endif
free (p);
p = *lastp;
}
else
{
lastp = &p->_next;
p = p->_next;
}
}
}
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