コード例 #1
0
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();
}
コード例 #2
0
ファイル: atexit.c プロジェクト: robertbachmann/openbsd-libc
/*
 * 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();

	}
}