--- acpica-unix-20060310/include/platform/acfreebsd.h	Tue Mar 14 14:50:52 2006
+++ acpica-unix-20060310/include/platform/acfreebsd.h	Tue Mar 14 15:43:30 2006
@@ -124,6 +124,7 @@
 #include <sys/types.h>
 #include <machine/acpica_machdep.h>
 
+#define ACPI_THREAD_ID			pid_t
 #define ACPI_UINTPTR_T                  uintptr_t
 #define ACPI_USE_LOCAL_CACHE
 #define __cdecl