X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=compat_arch_x86.c;h=9cbd3c8c808d794ac5ad63292479b67e99a96ed4;hb=ef6ca0226ee82ef2f0b2d9a60c646019e20a5fa4;hp=33bf13df41b7bcae348e3d4e6dcb3661d97b64d5;hpb=985b35b18796edab591775098fef83a50a1e55ce;p=urcu.git

diff --git a/compat_arch_x86.c b/compat_arch_x86.c
index 33bf13d..9cbd3c8 100644
--- a/compat_arch_x86.c
+++ b/compat_arch_x86.c
@@ -24,7 +24,7 @@
 #include <pthread.h>
 #include <signal.h>
 #include <assert.h>
-#include <urcu/uatomic_arch.h>
+#include <urcu/uatomic.h>
 
 /*
  * It does not really matter if the constructor is called before using
@@ -226,6 +226,31 @@ void _compat_uatomic_or(void *addr, unsigned long v, int len)
 	mutex_lock_signal_restore(&compat_mutex, &mask);
 }
 
+void _compat_uatomic_and(void *addr, unsigned long v, int len)
+{
+	sigset_t mask;
+
+	mutex_lock_signal_save(&compat_mutex, &mask);
+	switch (len) {
+	case 1:
+		*(unsigned char *)addr &= (unsigned char)v;
+		break;
+	case 2:
+		*(unsigned short *)addr &= (unsigned short)v;
+		break;
+	case 4:
+		*(unsigned int *)addr &= (unsigned int)v;
+		break;
+	default:
+		/*
+		 * generate an illegal instruction. Cannot catch this with
+		 * linker tricks when optimizations are disabled.
+		 */
+		__asm__ __volatile__("ud2");
+	}
+	mutex_lock_signal_restore(&compat_mutex, &mask);
+}
+
 unsigned long _compat_uatomic_add_return(void *addr, unsigned long v, int len)
 {
 	sigset_t mask;