0.pre8.54

[sbcl.git] / src / runtime / interrupt.h

diff --git a/src/runtime/interrupt.h b/src/runtime/interrupt.h
index 73ab2d2..0996471 100644 (file)
--- a/src/runtime/interrupt.h
+++ b/src/runtime/interrupt.h
@@ -18,23 +18,36 @@
  *
  * Note: In CMU CL, this was 4096, but there was no explanation given,
  * and it's hard to see why we'd need that many nested interrupts, so
- * I've scaled it back to see what happens. -- WHN 20000730 */
-#define MAX_INTERRUPTS 256
+ * I've scaled it back (to 256) to see what happens. -- WHN 20000730 
 
-extern os_context_t *lisp_interrupt_contexts[MAX_INTERRUPTS];
+ * Nothing happened, so let's creep it back a bit further -- dan 20030411 */
+#define MAX_INTERRUPTS 32
 
 union interrupt_handler {
-       lispobj lisp;
-       void (*c)(int, siginfo_t*, void*);
+    lispobj lisp;
+    void (*c)(int, siginfo_t*, void*);
 };
 
-extern void interrupt_init(void);
+struct interrupt_data {
+    void (*interrupt_low_level_handlers[NSIG]) (int, siginfo_t*, void*) ;
+    union interrupt_handler interrupt_handlers[NSIG];
+
+    /* signal number, siginfo_t, and old mask information for pending
+     * signal.  pending_signal=0 when there is no pending signal. */
+    int pending_signal ;
+    siginfo_t pending_info;
+    sigset_t pending_mask;
+};
+
+
+extern void interrupt_init();
 extern void fake_foreign_function_call(os_context_t* context);
 extern void undo_fake_foreign_function_call(os_context_t* context);
 extern void interrupt_handle_now(int, siginfo_t*, void*);
 extern void interrupt_handle_pending(os_context_t*);
 extern void interrupt_internal_error(int, siginfo_t*, os_context_t*,
                                     boolean continuable);
+extern boolean handle_control_stack_guard_triggered(os_context_t *,void *);
 extern boolean interrupt_maybe_gc(int, siginfo_t*, void*);
 extern void undoably_install_low_level_interrupt_handler (int signal,
                                                          void