diff options
Diffstat (limited to 'src/VBox/Runtime/r3/win/fileaio-win.cpp')
| -rw-r--r-- | src/VBox/Runtime/r3/win/fileaio-win.cpp | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/VBox/Runtime/r3/win/fileaio-win.cpp b/src/VBox/Runtime/r3/win/fileaio-win.cpp index 95e20e12..73c99a7e 100644 --- a/src/VBox/Runtime/r3/win/fileaio-win.cpp +++ b/src/VBox/Runtime/r3/win/fileaio-win.cpp @@ -4,7 +4,7 @@ */ /* - * Copyright (C) 2006-2011 Oracle Corporation + * Copyright (C) 2006-2012 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; @@ -72,6 +72,8 @@ typedef struct RTFILEAIOCTXINTERNAL volatile bool fWokenUp; /** Flag whether the thread is currently waiting. */ volatile bool fWaiting; + /** Flags given during creation. */ + uint32_t fFlags; /** Magic value (RTFILEAIOCTX_MAGIC). */ uint32_t u32Magic; } RTFILEAIOCTXINTERNAL; @@ -266,10 +268,12 @@ RTDECL(int) RTFileAioReqGetRC(RTFILEAIOREQ hReq, size_t *pcbTransfered) return rc; } -RTDECL(int) RTFileAioCtxCreate(PRTFILEAIOCTX phAioCtx, uint32_t cAioReqsMax) +RTDECL(int) RTFileAioCtxCreate(PRTFILEAIOCTX phAioCtx, uint32_t cAioReqsMax, + uint32_t fFlags) { PRTFILEAIOCTXINTERNAL pCtxInt; AssertPtrReturn(phAioCtx, VERR_INVALID_POINTER); + AssertReturn(!(fFlags & ~RTFILEAIOCTX_FLAGS_VALID_MASK), VERR_INVALID_PARAMETER); pCtxInt = (PRTFILEAIOCTXINTERNAL)RTMemAllocZ(sizeof(RTFILEAIOCTXINTERNAL)); if (RT_UNLIKELY(!pCtxInt)) @@ -285,7 +289,8 @@ RTDECL(int) RTFileAioCtxCreate(PRTFILEAIOCTX phAioCtx, uint32_t cAioReqsMax) return VERR_NO_MEMORY; } - pCtxInt->u32Magic = RTFILEAIOCTX_MAGIC; + pCtxInt->fFlags = fFlags; + pCtxInt->u32Magic = RTFILEAIOCTX_MAGIC; *phAioCtx = (RTFILEAIOCTX)pCtxInt; @@ -398,7 +403,8 @@ RTDECL(int) RTFileAioCtxWait(RTFILEAIOCTX hAioCtx, size_t cMinReqs, RTMSINTERVAL /* * Can't wait if there are no requests around. */ - if (RT_UNLIKELY(ASMAtomicUoReadS32(&pCtxInt->cRequests) == 0)) + if ( RT_UNLIKELY(ASMAtomicUoReadS32(&pCtxInt->cRequests) == 0) + && !(pCtxInt->fFlags & RTFILEAIOCTX_FLAGS_WAIT_WITHOUT_PENDING_REQUESTS)) return VERR_FILE_AIO_NO_REQUEST; /* Wait for at least one. */ |