Changeset 37209 in vbox for trunk/include

Timestamp:

May 25, 2011 9:33:12 AM (14 years ago)

Author:

vboxsync

Message:

circbuf: Use ASMAtomic*Z instead of ASMAtomic*Size because the latter is causing trouble on recent microsoft compilers.

File:

• trunk/include/iprt/asm.h (modified) (1 diff)

trunk/include/iprt/asm.h

@@ -1754 +1754 @@
 
 /**
+ * Atomically reads a size_t value, ordered.
+ *
+ * @returns Current *pcb value
+ * @param   pcb     Pointer to the size_t variable to read.
+ */
+DECLINLINE(size_t) ASMAtomicReadZ(size_t volatile *pcb)
+{
+#if ARCH_BITS == 64
+    return ASMAtomicReadU64((uint64_t volatile *)pcb);
+#elif ARCH_BITS == 32
+    return ASMAtomicReadU32((uint32_t volatile *)pcb);
+#else
+# error "Unsupported ARCH_BITS value"
+#endif
+}
+
+
+/**
+ * Atomically reads a size_t value, unordered.
+ *
+ * @returns Current *pcb value
+ * @param   pcb     Pointer to the size_t variable to read.
+ */
+DECLINLINE(size_t) ASMAtomicUoReadZ(size_t volatile *pcb)
+{
+#if ARCH_BITS == 64
+    return ASMAtomicUoReadU64((uint64_t volatile *)pcb);
+#elif ARCH_BITS == 32
+    return ASMAtomicUoReadU32((uint32_t volatile *)pcb);
+#else
+# error "Unsupported ARCH_BITS value"
+#endif
+}
+
+
+/**
  * Atomically reads a pointer value, ordered.
  *