Support building without PSEUDO-ATOMIC on POSIX safepoints

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

diff --git a/src/runtime/interrupt.h b/src/runtime/interrupt.h
index 3a6a51b..07b4a2d 100644 (file)
--- 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)
@@ -152,8 +157,9 @@ typedef void (*interrupt_handler_t)(int, siginfo_t *, os_context_t *);
 extern void undoably_install_low_level_interrupt_handler (
                         int signal,
                         interrupt_handler_t handler);
-extern unsigned long install_handler(int signal,
-                                     interrupt_handler_t handler);
+extern uword_t install_handler(int signal,
+                               interrupt_handler_t handler,
+                               int synchronous);
 
 extern union interrupt_handler interrupt_handlers[NSIG];