| 1 | /* $Id: RTSemEventMultiWait-generic.cpp 25724 2010-01-11 14:45:34Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - RTSemEventMultiWait, generic RTSemEventMultiWaitNoResume wrapper.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2009 Sun Microsystems, Inc.
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | *
|
|---|
| 26 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
|
|---|
| 27 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
|
|---|
| 28 | * additional information or have any questions.
|
|---|
| 29 | */
|
|---|
| 30 |
|
|---|
| 31 |
|
|---|
| 32 | /*******************************************************************************
|
|---|
| 33 | * Header Files *
|
|---|
| 34 | *******************************************************************************/
|
|---|
| 35 | #define LOG_GROUP RTLOGGROUP_SEM
|
|---|
| 36 | #include <iprt/semaphore.h>
|
|---|
| 37 | #include "internal/iprt.h"
|
|---|
| 38 |
|
|---|
| 39 | #include <iprt/time.h>
|
|---|
| 40 | #include <iprt/err.h>
|
|---|
| 41 | #include <iprt/assert.h>
|
|---|
| 42 |
|
|---|
| 43 |
|
|---|
| 44 | #undef RTSemEventMultiWait /* undo debug mapping */
|
|---|
| 45 | RTDECL(int) RTSemEventMultiWait(RTSEMEVENTMULTI EventSem, RTMSINTERVAL cMillies)
|
|---|
| 46 | {
|
|---|
| 47 | int rc;
|
|---|
| 48 | if (cMillies == RT_INDEFINITE_WAIT)
|
|---|
| 49 | {
|
|---|
| 50 | do rc = RTSemEventMultiWaitNoResume(EventSem, cMillies);
|
|---|
| 51 | while (rc == VERR_INTERRUPTED);
|
|---|
| 52 | }
|
|---|
| 53 | else
|
|---|
| 54 | {
|
|---|
| 55 | const uint64_t u64Start = RTTimeMilliTS();
|
|---|
| 56 | rc = RTSemEventMultiWaitNoResume(EventSem, cMillies);
|
|---|
| 57 | if (rc == VERR_INTERRUPTED)
|
|---|
| 58 | {
|
|---|
| 59 | do
|
|---|
| 60 | {
|
|---|
| 61 | uint64_t u64Elapsed = RTTimeMilliTS() - u64Start;
|
|---|
| 62 | if (u64Elapsed >= cMillies)
|
|---|
| 63 | return VERR_TIMEOUT;
|
|---|
| 64 | rc = RTSemEventMultiWaitNoResume(EventSem, cMillies - (RTMSINTERVAL)u64Elapsed);
|
|---|
| 65 | } while (rc == VERR_INTERRUPTED);
|
|---|
| 66 | }
|
|---|
| 67 | }
|
|---|
| 68 | return rc;
|
|---|
| 69 | }
|
|---|
| 70 | RT_EXPORT_SYMBOL(RTSemEventMultiWait);
|
|---|
| 71 |
|
|---|
