backup_thread_state = thread_state;
open_stack_allocation(&thread_state);
+ /* Reserve a 256 byte zone for signal handlers
+ * to use on the interrupted thread stack.
+ */
+ stack_allocate(&thread_state, 256);
/* Save thread state */
target_thread_state =
addr < undefined_alien_address + os_vm_page_size) {
backup_thread_state = thread_state;
open_stack_allocation(&thread_state);
+ stack_allocate(&thread_state, 256);
/* Save thread state */
target_thread_state =
backup_thread_state = thread_state;
open_stack_allocation(&thread_state);
+ stack_allocate(&thread_state, 256);
/* Save thread state */
target_thread_state =
backup_thread_state = thread_state;
open_stack_allocation(&thread_state);
+ stack_allocate(&thread_state, 256);
/* Save thread state */
target_thread_state =