Changeset 45678 in vbox for trunk/include

Timestamp:

Apr 23, 2013 11:28:41 AM (12 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

85204

Message:

Runtime/aio: Add flags parameter to RTFileAioCtxCreate

File:

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

trunk/include/iprt/file.h

@@ -1216 +1216 @@
  *                          context should support an unlimited number of
  *                          requests.
- */
-RTDECL(int) RTFileAioCtxCreate(PRTFILEAIOCTX phAioCtx, uint32_t cAioReqsMax);
+ * @param   fFlags          Combination of RTFILEAIOCTX_FLAGS_*.
+ */
+RTDECL(int) RTFileAioCtxCreate(PRTFILEAIOCTX phAioCtx, uint32_t cAioReqsMax,
+                               uint32_t fFlags);
 
 /** Unlimited number of requests.
  * Used with RTFileAioCtxCreate and RTFileAioCtxGetMaxReqCount. */
 #define RTFILEAIO_UNLIMITED_REQS    UINT32_MAX
+
+/** When set RTFileAioCtxWait() will always wait for completing requests,
+ * even when there is none waiting currently, instead of returning 
+ * VERR_FILE_AIO_NO_REQUEST. */
+#define RTFILEAIOCTX_FLAGS_WAIT_WITHOUT_PENDING_REQUESTS RT_BIT_32(0)
+/** mask of valid flags. */
+#define RTFILEAIOCTX_FLAGS_VALID_MASK (RTFILEAIOCTX_FLAGS_WAIT_WITHOUT_PENDING_REQUESTS)
 
 /**