void
foundation_finalize(void) {
_foundation_initialized = false;
profile_finalize();
_config_finalize();
_fs_finalize();
_stream_finalize();
_system_finalize();
_library_finalize();
_environment_finalize();
_random_finalize();
_thread_finalize();
_time_finalize();
_log_finalize();
_stacktrace_finalize();
_static_hash_finalize();
_memory_finalize();
_atomic_finalize();
}
/*
* Call all handlers registered with __cxa_atexit() for the shared
* object owning 'dso'.
* Note: if 'dso' is NULL, then all remaining handlers are called.
*/
void
__cxa_finalize(void *dso)
{
struct atexit *p, *q;
struct atexit_fn fn;
int n, pgsize = getpagesize();
static int call_depth;
if (dso == NULL)
_thread_finalize();
_ATEXIT_LOCK();
call_depth++;
restart:
restartloop = 0;
for (p = __atexit; p != NULL; p = p->next) {
for (n = p->ind; --n >= 0;) {
if (p->fns[n].fn_ptr == NULL)
continue; /* already called */
if (dso != NULL && dso != p->fns[n].fn_dso)
continue; /* wrong DSO */
/*
* Mark handler as having been already called to avoid
* dupes and loops, then call the appropriate function.
*/
fn = p->fns[n];
if (mprotect(p, pgsize, PROT_READ | PROT_WRITE) == 0) {
p->fns[n].fn_ptr = NULL;
mprotect(p, pgsize, PROT_READ);
}
_ATEXIT_UNLOCK();
(*fn.fn_ptr)(fn.fn_arg);
_ATEXIT_LOCK();
if (restartloop)
goto restart;
}
}
call_depth--;
/*
* If called via exit(), unmap the pages since we have now run
* all the handlers. We defer this until calldepth == 0 so that
* we don't unmap things prematurely if called recursively.
*/
if (dso == NULL && call_depth == 0) {
for (p = __atexit; p != NULL; ) {
q = p;
p = p->next;
munmap(q, pgsize);
}
__atexit = NULL;
}
_ATEXIT_UNLOCK();
/*
* If unloading a DSO, unregister any atfork handlers registered
* by it. Skip the locking if the list is currently empty.
*/
if (dso != NULL && TAILQ_FIRST(&_atfork_list) != NULL) {
struct atfork_fn *af, *afnext;
_ATFORK_LOCK();
TAILQ_FOREACH_SAFE(af, &_atfork_list, fn_next, afnext)
if (af->fn_dso == dso) {
TAILQ_REMOVE(&_atfork_list, af, fn_next);
free(af);
}
_ATFORK_UNLOCK();
}
}
