--- src/sys/emulation/ibcs2/i386/Attic/ibcs2_signal.c	2003/08/27 06:30:03	1.7
+++ src/sys/emulation/ibcs2/i386/Attic/ibcs2_signal.c	2005/06/27 01:49:59	1.8
@@ -33,6 +33,7 @@
 #include <sys/systm.h>
 #include <sys/signalvar.h>
 #include <sys/sysproto.h>
+#include <sys/thread2.h>
 
 #include "ibcs2_types.h"
 #include "ibcs2_signal.h"
@@ -402,7 +403,7 @@ ibcs2_sigprocmask(struct ibcs2_sigprocma
 
 	ibcs2_to_bsd_sigset(&iss, &bss);
 
-	(void) splhigh();
+	crit_enter();
 
 	switch (SCARG(uap, how)) {
 	case IBCS2_SIG_BLOCK:
@@ -424,7 +425,7 @@ ibcs2_sigprocmask(struct ibcs2_sigprocma
 		break;
 	}
 
-	(void) spl0();
+	crit_exit();
 
 	return error;
 }