X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Finterrupt.h;h=83514d7892703526d851de6c6befb295dca3718d;hb=eac461c1f1ca91cfe282c779291d582ed6b336cb;hp=93a53876cbef3f14dc516d75cb2f977ac2afa3bb;hpb=ce73c961ea089afea8ec523e1a5556c27d1aa6d2;p=sbcl.git

diff --git a/src/runtime/interrupt.h b/src/runtime/interrupt.h
index 93a5387..83514d7 100644
--- a/src/runtime/interrupt.h
+++ b/src/runtime/interrupt.h
@@ -12,7 +12,7 @@
 #if !defined(_INCLUDE_INTERRUPT_H_)
 #define _INCLUDE_INTERRUPT_H_
 
-#include <signal.h>
+#include "runtime.h"
 #include <string.h>
 
 /*
@@ -24,7 +24,12 @@
  * stack by the kernel, so copying a libc-sized sigset_t into it will
  * overflow and cause other data on the stack to be corrupted */
 /* FIXME: do not rely on NSIG being a multiple of 8 */
-#define REAL_SIGSET_SIZE_BYTES ((NSIG/8))
+
+#ifdef LISP_FEATURE_WIN32
+# define REAL_SIGSET_SIZE_BYTES (4)
+#else
+# define REAL_SIGSET_SIZE_BYTES ((NSIG/8))
+#endif
 
 static inline void
 sigcopyset(sigset_t *new, sigset_t *old)
@@ -113,7 +118,7 @@ struct interrupt_data {
      * and with no pending handler. Both deferrable interrupt handlers
      * and gc are careful not to clobber each other's pending_mask. */
     boolean gc_blocked_deferrables;
-#ifdef LISP_FEATURE_PPC
+#ifdef GENCGC_IS_PRECISE
     /* On PPC when consing wants to turn to alloc(), it does so via a
      * trap. When alloc() wants to save the sigmask it consults
      * allocation_trap_context. It does not look up the most recent
@@ -123,10 +128,15 @@ struct interrupt_data {
 #endif
 };
 
+typedef lispobj (*call_into_lisp_lookalike)(
+    lispobj fun, lispobj *args, int nargs);
+
 extern boolean interrupt_handler_pending_p(void);
 extern void interrupt_init(void);
 extern void fake_foreign_function_call(os_context_t* context);
 extern void undo_fake_foreign_function_call(os_context_t* context);
+extern void arrange_return_to_c_function(
+    os_context_t *, call_into_lisp_lookalike, lispobj);
 extern void arrange_return_to_lisp_function(os_context_t *, lispobj);
 extern void interrupt_handle_now(int, siginfo_t*, os_context_t*);
 extern void interrupt_handle_pending(os_context_t*);
@@ -166,4 +176,15 @@ extern void lisp_memory_fault_error(os_context_t *context,
                                     os_vm_address_t addr);
 #endif
 
+#include "thread.h"
+
+extern void lower_thread_control_stack_guard_page(struct thread *th);
+extern void reset_thread_control_stack_guard_page(struct thread *th);
+
+#if defined(LISP_FEATURE_SB_SAFEPOINT) && !defined(LISP_FEATURE_WIN32)
+# ifdef LISP_FEATURE_SB_THRUPTION
+void thruption_handler(int signal, siginfo_t *info, os_context_t *context);
+# endif
+#endif
+
 #endif