diff options
Diffstat (limited to 'src/VBox/Runtime/generic/RTSemEventMultiWait-generic.cpp')
-rw-r--r-- | src/VBox/Runtime/generic/RTSemEventMultiWait-generic.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/VBox/Runtime/generic/RTSemEventMultiWait-generic.cpp b/src/VBox/Runtime/generic/RTSemEventMultiWait-generic.cpp new file mode 100644 index 00000000..c5fd6c3b --- /dev/null +++ b/src/VBox/Runtime/generic/RTSemEventMultiWait-generic.cpp @@ -0,0 +1,67 @@ +/* $Id: RTSemEventMultiWait-generic.cpp $ */ +/** @file + * IPRT - RTSemEventMultiWait, generic RTSemEventMultiWaitNoResume wrapper. + */ + +/* + * Copyright (C) 2006-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#define LOG_GROUP RTLOGGROUP_SEM +#define RTSEMEVENTMULTI_WITHOUT_REMAPPING +#include <iprt/semaphore.h> +#include "internal/iprt.h" + +#include <iprt/time.h> +#include <iprt/errcore.h> +#include <iprt/assert.h> + + +RTDECL(int) RTSemEventMultiWait(RTSEMEVENTMULTI EventSem, RTMSINTERVAL cMillies) +{ + int rc; + if (cMillies == RT_INDEFINITE_WAIT) + { + do rc = RTSemEventMultiWaitNoResume(EventSem, cMillies); + while (rc == VERR_INTERRUPTED); + } + else + { + const uint64_t u64Start = RTTimeMilliTS(); + rc = RTSemEventMultiWaitNoResume(EventSem, cMillies); + if (rc == VERR_INTERRUPTED) + { + do + { + uint64_t u64Elapsed = RTTimeMilliTS() - u64Start; + if (u64Elapsed >= cMillies) + return VERR_TIMEOUT; + rc = RTSemEventMultiWaitNoResume(EventSem, cMillies - (RTMSINTERVAL)u64Elapsed); + } while (rc == VERR_INTERRUPTED); + } + } + return rc; +} +RT_EXPORT_SYMBOL(RTSemEventMultiWait); + |