* A kludgy alternative is to propagate the sigmask change to the
* outer context.
*/
-#ifndef LISP_FEATURE_WIN32
+#if !(defined(LISP_FEATURE_WIN32) || defined(LISP_FEATURE_SB_SAFEPOINT))
check_gc_signals_unblocked_or_lose(os_context_sigmask_addr(context));
unblock_gc_signals(0, 0);
#endif
sigset_t *context_sigmask = os_context_sigmask_addr(context);
if (!deferrables_blocked_p(context_sigmask)) {
thread_sigmask(SIG_SETMASK, context_sigmask, 0);
+#ifndef LISP_FEATURE_SB_SAFEPOINT
check_gc_signals_unblocked_or_lose(0);
#endif
+#endif
FSHOW((stderr, "/maybe_gc: calling POST_GC\n"));
funcall0(StaticSymbolFunction(POST_GC));
#ifndef LISP_FEATURE_WIN32