- if (SymbolValue(GC_INHIBIT,thread) == NIL)
- set_pseudo_atomic_interrupted(thread);
+ if (SymbolValue(GC_INHIBIT,thread) == NIL) {
+ set_pseudo_atomic_interrupted(thread);
+#ifdef LISP_FEATURE_PPC
+ /* PPC calls alloc() from a trap or from pa_alloc(),
+ * look up the most context if it's from a trap. */
+ {
+ os_context_t *context =
+ thread->interrupt_data->allocation_trap_context;
+ maybe_save_gc_mask_and_block_deferrables
+ (context ? os_context_sigmask_addr(context) : NULL);
+ }
+#else
+ maybe_save_gc_mask_and_block_deferrables(NULL);
+#endif
+ }