#include <stdlib.h>
#include <stdio.h>
-#ifdef MAC_OS_X_VERSION_10_5
+#if __DARWIN_UNIX03
#include <sys/_structs.h>
#endif
-#ifdef MAC_OS_X_VERSION_10_5
+#if __DARWIN_UNIX03
typedef struct __darwin_ucontext darwin_ucontext;
typedef struct __darwin_mcontext64 darwin_mcontext;
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 =