r3/win/semeventmulti-win.cpp

	semeventmulti-win.cpp revision 2e42e0850e182e37277fe28ba5b5d1c37018e783
de4157257515400c2c25373591135f110227b68cvboxsync/* $Id$ */
de4157257515400c2c25373591135f110227b68cvboxsync/** @file
de4157257515400c2c25373591135f110227b68cvboxsync * IPRT - Multiple Release Event Semaphore, Windows.
de4157257515400c2c25373591135f110227b68cvboxsync *
de4157257515400c2c25373591135f110227b68cvboxsync * @remarks This file is identical to semevent-win.cpp except for the 2nd
de4157257515400c2c25373591135f110227b68cvboxsync *          CreateEvent parameter, the reset function and the "Multi" infix.
e64031e20c39650a7bc902a3e1aba613b9415deevboxsync */
de4157257515400c2c25373591135f110227b68cvboxsync
b263fac6f6e7fa933c7bfb2a45d598fe8e458c09vboxsync/*
b263fac6f6e7fa933c7bfb2a45d598fe8e458c09vboxsync * Copyright (C) 2006-2010 Sun Microsystems, Inc.
b263fac6f6e7fa933c7bfb2a45d598fe8e458c09vboxsync *
b263fac6f6e7fa933c7bfb2a45d598fe8e458c09vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
b263fac6f6e7fa933c7bfb2a45d598fe8e458c09vboxsync * available from http://www.virtualbox.org. This file is free software;
b263fac6f6e7fa933c7bfb2a45d598fe8e458c09vboxsync * you can redistribute it and/or modify it under the terms of the GNU
b263fac6f6e7fa933c7bfb2a45d598fe8e458c09vboxsync * General Public License (GPL) as published by the Free Software
de4157257515400c2c25373591135f110227b68cvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
de4157257515400c2c25373591135f110227b68cvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
de4157257515400c2c25373591135f110227b68cvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
de4157257515400c2c25373591135f110227b68cvboxsync *
de4157257515400c2c25373591135f110227b68cvboxsync * The contents of this file may alternatively be used under the terms
de4157257515400c2c25373591135f110227b68cvboxsync * of the Common Development and Distribution License Version 1.0
de4157257515400c2c25373591135f110227b68cvboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
de4157257515400c2c25373591135f110227b68cvboxsync * VirtualBox OSE distribution, in which case the provisions of the
de4157257515400c2c25373591135f110227b68cvboxsync * CDDL are applicable instead of those of the GPL.
de4157257515400c2c25373591135f110227b68cvboxsync *
de4157257515400c2c25373591135f110227b68cvboxsync * You may elect to license modified versions of this file under the
de4157257515400c2c25373591135f110227b68cvboxsync * terms and conditions of either the GPL or the CDDL or both.
de4157257515400c2c25373591135f110227b68cvboxsync *
de4157257515400c2c25373591135f110227b68cvboxsync * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
de4157257515400c2c25373591135f110227b68cvboxsync * Clara, CA 95054 USA or visit http://www.sun.com if you need
de4157257515400c2c25373591135f110227b68cvboxsync * additional information or have any questions.
de4157257515400c2c25373591135f110227b68cvboxsync */
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync
6dd8f5023a9ba7588212331db90059553136fe33vboxsync/*******************************************************************************
de4157257515400c2c25373591135f110227b68cvboxsync*   Header Files                                                               *
de4157257515400c2c25373591135f110227b68cvboxsync*******************************************************************************/
de4157257515400c2c25373591135f110227b68cvboxsync#define LOG_GROUP RTLOGGROUP_SEMAPHORE
de4157257515400c2c25373591135f110227b68cvboxsync#include <Windows.h>
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync#include <iprt/semaphore.h>
de4157257515400c2c25373591135f110227b68cvboxsync#include "internal/iprt.h"
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync#include <iprt/asm.h>
de4157257515400c2c25373591135f110227b68cvboxsync#include <iprt/assert.h>
de4157257515400c2c25373591135f110227b68cvboxsync#include <iprt/err.h>
de4157257515400c2c25373591135f110227b68cvboxsync#include <iprt/lockvalidator.h>
de4157257515400c2c25373591135f110227b68cvboxsync#include <iprt/mem.h>
de4157257515400c2c25373591135f110227b68cvboxsync#include <iprt/thread.h>
de4157257515400c2c25373591135f110227b68cvboxsync#include "internal/magics.h"
de4157257515400c2c25373591135f110227b68cvboxsync#include "internal/strict.h"
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync/*******************************************************************************
de4157257515400c2c25373591135f110227b68cvboxsync*   Defined Constants And Macros                                               *
de4157257515400c2c25373591135f110227b68cvboxsync*******************************************************************************/
590bfe12ce22cd3716448fbb9f4dc51664bfe5e2vboxsyncstruct RTSEMEVENTMULTIINTERNAL
de4157257515400c2c25373591135f110227b68cvboxsync{
de4157257515400c2c25373591135f110227b68cvboxsync    /** Magic value (RTSEMEVENTMULTI_MAGIC). */
590bfe12ce22cd3716448fbb9f4dc51664bfe5e2vboxsync    uint32_t            u32Magic;
de4157257515400c2c25373591135f110227b68cvboxsync    /** The event handle. */
de4157257515400c2c25373591135f110227b68cvboxsync    HANDLE              hev;
de4157257515400c2c25373591135f110227b68cvboxsync#ifdef RTSEMEVENT_STRICT
de4157257515400c2c25373591135f110227b68cvboxsync    /** Signallers. */
de4157257515400c2c25373591135f110227b68cvboxsync    RTLOCKVALRECSHRD    Signallers;
de4157257515400c2c25373591135f110227b68cvboxsync    /** Indicates that lock validation should be performed. */
de4157257515400c2c25373591135f110227b68cvboxsync    bool volatile       fEverHadSignallers;
de4157257515400c2c25373591135f110227b68cvboxsync#endif
de4157257515400c2c25373591135f110227b68cvboxsync};
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsyncRTDECL(int)  RTSemEventMultiCreate(PRTSEMEVENTMULTI phEventMultiSem)
de4157257515400c2c25373591135f110227b68cvboxsync{
de4157257515400c2c25373591135f110227b68cvboxsync    return RTSemEventMultiCreateEx(phEventMultiSem, 0 /*fFlags*/, NIL_RTLOCKVALCLASS, NULL);
de4157257515400c2c25373591135f110227b68cvboxsync}
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsyncRTDECL(int)  RTSemEventMultiCreateEx(PRTSEMEVENTMULTI phEventMultiSem, uint32_t fFlags, RTLOCKVALCLASS hClass,
de4157257515400c2c25373591135f110227b68cvboxsync                                     const char *pszNameFmt, ...)
de4157257515400c2c25373591135f110227b68cvboxsync{
de4157257515400c2c25373591135f110227b68cvboxsync    AssertReturn(!(fFlags & ~RTSEMEVENTMULTI_FLAGS_NO_LOCK_VAL), VERR_INVALID_PARAMETER);
590bfe12ce22cd3716448fbb9f4dc51664bfe5e2vboxsync
de4157257515400c2c25373591135f110227b68cvboxsync    struct RTSEMEVENTMULTIINTERNAL *pThis = (struct RTSEMEVENTMULTIINTERNAL *)RTMemAlloc(sizeof(*pThis));
de4157257515400c2c25373591135f110227b68cvboxsync    if (!pThis)
590bfe12ce22cd3716448fbb9f4dc51664bfe5e2vboxsync        return VERR_NO_MEMORY;
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync    /*
de4157257515400c2c25373591135f110227b68cvboxsync     * Create the semaphore.
de4157257515400c2c25373591135f110227b68cvboxsync     * (Manual reset, not signaled, private event object.)
de4157257515400c2c25373591135f110227b68cvboxsync     */
de4157257515400c2c25373591135f110227b68cvboxsync    pThis->hev = CreateEvent(NULL, TRUE, FALSE, NULL);
de4157257515400c2c25373591135f110227b68cvboxsync    if (pThis->hev != NULL) /* not INVALID_HANDLE_VALUE */
de4157257515400c2c25373591135f110227b68cvboxsync    {
de4157257515400c2c25373591135f110227b68cvboxsync        pThis->u32Magic = RTSEMEVENTMULTI_MAGIC;
de4157257515400c2c25373591135f110227b68cvboxsync#ifdef RTSEMEVENT_STRICT
de4157257515400c2c25373591135f110227b68cvboxsync        if (!pszNameFmt)
de4157257515400c2c25373591135f110227b68cvboxsync        {
de4157257515400c2c25373591135f110227b68cvboxsync            static uint32_t volatile s_iSemEventMultiAnon = 0;
de4157257515400c2c25373591135f110227b68cvboxsync            RTLockValidatorRecSharedInit(&pThis->Signallers, hClass, RTLOCKVAL_SUB_CLASS_ANY, pThis,
de4157257515400c2c25373591135f110227b68cvboxsync                                         true /*fSignaller*/, !(fFlags & RTSEMEVENTMULTI_FLAGS_NO_LOCK_VAL),
de4157257515400c2c25373591135f110227b68cvboxsync                                         "RTSemEventMulti-%u", ASMAtomicIncU32(&s_iSemEventMultiAnon) - 1);
de4157257515400c2c25373591135f110227b68cvboxsync        }
de4157257515400c2c25373591135f110227b68cvboxsync        else
de4157257515400c2c25373591135f110227b68cvboxsync        {
de4157257515400c2c25373591135f110227b68cvboxsync            va_list va;
de4157257515400c2c25373591135f110227b68cvboxsync            va_start(va, pszNameFmt);
de4157257515400c2c25373591135f110227b68cvboxsync            RTLockValidatorRecSharedInitV(&pThis->Signallers, hClass, RTLOCKVAL_SUB_CLASS_ANY, pThis,
de4157257515400c2c25373591135f110227b68cvboxsync                                          true /*fSignaller*/, !(fFlags & RTSEMEVENTMULTI_FLAGS_NO_LOCK_VAL),
de4157257515400c2c25373591135f110227b68cvboxsync                                          pszNameFmt, va);
de4157257515400c2c25373591135f110227b68cvboxsync            va_end(va);
de4157257515400c2c25373591135f110227b68cvboxsync        }
de4157257515400c2c25373591135f110227b68cvboxsync        pThis->fEverHadSignallers = false;
de4157257515400c2c25373591135f110227b68cvboxsync#endif
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync        *phEventMultiSem = pThis;
590bfe12ce22cd3716448fbb9f4dc51664bfe5e2vboxsync        return VINF_SUCCESS;
de4157257515400c2c25373591135f110227b68cvboxsync    }
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync    DWORD dwErr = GetLastError();
de4157257515400c2c25373591135f110227b68cvboxsync    RTMemFree(pThis);
de4157257515400c2c25373591135f110227b68cvboxsync    return RTErrConvertFromWin32(dwErr);
de4157257515400c2c25373591135f110227b68cvboxsync}
de4157257515400c2c25373591135f110227b68cvboxsync
590bfe12ce22cd3716448fbb9f4dc51664bfe5e2vboxsync
de4157257515400c2c25373591135f110227b68cvboxsyncRTDECL(int)  RTSemEventMultiDestroy(RTSEMEVENTMULTI hEventMultiSem)
de4157257515400c2c25373591135f110227b68cvboxsync{
de4157257515400c2c25373591135f110227b68cvboxsync    struct RTSEMEVENTMULTIINTERNAL *pThis = hEventMultiSem;
de4157257515400c2c25373591135f110227b68cvboxsync    if (pThis == NIL_RTSEMEVENT)        /* don't bitch */
de4157257515400c2c25373591135f110227b68cvboxsync        return VINF_SUCCESS;
de4157257515400c2c25373591135f110227b68cvboxsync    AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
de4157257515400c2c25373591135f110227b68cvboxsync    AssertReturn(pThis->u32Magic == RTSEMEVENTMULTI_MAGIC, VERR_INVALID_HANDLE);
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync    /*
de4157257515400c2c25373591135f110227b68cvboxsync     * Invalidate the handle and close the semaphore.
de4157257515400c2c25373591135f110227b68cvboxsync     */
de4157257515400c2c25373591135f110227b68cvboxsync    int rc = VINF_SUCCESS;
de4157257515400c2c25373591135f110227b68cvboxsync    AssertReturn(ASMAtomicCmpXchgU32(&pThis->u32Magic, ~RTSEMEVENTMULTI_MAGIC, RTSEMEVENTMULTI_MAGIC), VERR_INVALID_HANDLE);
de4157257515400c2c25373591135f110227b68cvboxsync    if (CloseHandle(pThis->hev))
de4157257515400c2c25373591135f110227b68cvboxsync    {
de4157257515400c2c25373591135f110227b68cvboxsync#ifdef RTSEMEVENT_STRICT
de4157257515400c2c25373591135f110227b68cvboxsync        RTLockValidatorRecSharedDelete(&pThis->Signallers);
de4157257515400c2c25373591135f110227b68cvboxsync#endif
de4157257515400c2c25373591135f110227b68cvboxsync        RTMemFree(pThis);
de4157257515400c2c25373591135f110227b68cvboxsync    }
de4157257515400c2c25373591135f110227b68cvboxsync    else
de4157257515400c2c25373591135f110227b68cvboxsync    {
de4157257515400c2c25373591135f110227b68cvboxsync        DWORD dwErr = GetLastError();
de4157257515400c2c25373591135f110227b68cvboxsync        rc = RTErrConvertFromWin32(dwErr);
de4157257515400c2c25373591135f110227b68cvboxsync        AssertMsgFailed(("Destroy hEventMultiSem %p failed, lasterr=%u (%Rrc)\n", pThis, dwErr, rc));
de4157257515400c2c25373591135f110227b68cvboxsync        /* Leak it. */
de4157257515400c2c25373591135f110227b68cvboxsync    }
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync    return rc;
de4157257515400c2c25373591135f110227b68cvboxsync}
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsyncRTDECL(int)  RTSemEventMultiSignal(RTSEMEVENTMULTI hEventMultiSem)
de4157257515400c2c25373591135f110227b68cvboxsync{
de4157257515400c2c25373591135f110227b68cvboxsync    /*
de4157257515400c2c25373591135f110227b68cvboxsync     * Validate input.
de4157257515400c2c25373591135f110227b68cvboxsync     */
de4157257515400c2c25373591135f110227b68cvboxsync    struct RTSEMEVENTMULTIINTERNAL *pThis = hEventMultiSem;
de4157257515400c2c25373591135f110227b68cvboxsync    AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
de4157257515400c2c25373591135f110227b68cvboxsync    AssertReturn(pThis->u32Magic == RTSEMEVENTMULTI_MAGIC, VERR_INVALID_HANDLE);
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync#ifdef RTSEMEVENT_STRICT
de4157257515400c2c25373591135f110227b68cvboxsync    if (pThis->fEverHadSignallers)
de4157257515400c2c25373591135f110227b68cvboxsync    {
2a047f0d7ee5964456dbc4dec9925031482588abvboxsync        int rc9 = RTLockValidatorRecSharedCheckSignaller(&pThis->Signallers, NIL_RTTHREAD);
de4157257515400c2c25373591135f110227b68cvboxsync        if (RT_FAILURE(rc9))
de4157257515400c2c25373591135f110227b68cvboxsync            return rc9;
de4157257515400c2c25373591135f110227b68cvboxsync    }
de4157257515400c2c25373591135f110227b68cvboxsync#endif
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync    /*
de4157257515400c2c25373591135f110227b68cvboxsync     * Signal the object.
de4157257515400c2c25373591135f110227b68cvboxsync     */
de4157257515400c2c25373591135f110227b68cvboxsync    if (SetEvent(pThis->hev))
de4157257515400c2c25373591135f110227b68cvboxsync        return VINF_SUCCESS;
de4157257515400c2c25373591135f110227b68cvboxsync    DWORD dwErr = GetLastError();
de4157257515400c2c25373591135f110227b68cvboxsync    AssertMsgFailed(("Signaling hEventMultiSem %p failed, lasterr=%d\n", pThis, dwErr));
de4157257515400c2c25373591135f110227b68cvboxsync    return RTErrConvertFromWin32(dwErr);
de4157257515400c2c25373591135f110227b68cvboxsync}
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsyncRTDECL(int)  RTSemEventMultiReset(RTSEMEVENTMULTI hEventMultiSem)
de4157257515400c2c25373591135f110227b68cvboxsync{
de4157257515400c2c25373591135f110227b68cvboxsync    /*
de4157257515400c2c25373591135f110227b68cvboxsync     * Validate input.
de4157257515400c2c25373591135f110227b68cvboxsync     */
de4157257515400c2c25373591135f110227b68cvboxsync    struct RTSEMEVENTMULTIINTERNAL *pThis = hEventMultiSem;
de4157257515400c2c25373591135f110227b68cvboxsync    AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
de4157257515400c2c25373591135f110227b68cvboxsync    AssertReturn(pThis->u32Magic == RTSEMEVENTMULTI_MAGIC, VERR_INVALID_HANDLE);
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync    /*
de4157257515400c2c25373591135f110227b68cvboxsync     * Reset the object.
de4157257515400c2c25373591135f110227b68cvboxsync     */
de4157257515400c2c25373591135f110227b68cvboxsync    if (ResetEvent(pThis->hev))
de4157257515400c2c25373591135f110227b68cvboxsync        return VINF_SUCCESS;
de4157257515400c2c25373591135f110227b68cvboxsync    DWORD dwErr = GetLastError();
de4157257515400c2c25373591135f110227b68cvboxsync    AssertMsgFailed(("Resetting hEventMultiSem %p failed, lasterr=%d\n", pThis, dwErr));
2a047f0d7ee5964456dbc4dec9925031482588abvboxsync    return RTErrConvertFromWin32(dwErr);
de4157257515400c2c25373591135f110227b68cvboxsync}
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync/** Goto avoidance. */
de4157257515400c2c25373591135f110227b68cvboxsyncDECL_FORCE_INLINE(int) rtSemEventWaitHandleStatus(struct RTSEMEVENTMULTIINTERNAL *pThis, DWORD rc)
de4157257515400c2c25373591135f110227b68cvboxsync{
de4157257515400c2c25373591135f110227b68cvboxsync    switch (rc)
de4157257515400c2c25373591135f110227b68cvboxsync    {
de4157257515400c2c25373591135f110227b68cvboxsync        case WAIT_OBJECT_0:         return VINF_SUCCESS;
de4157257515400c2c25373591135f110227b68cvboxsync        case WAIT_TIMEOUT:          return VERR_TIMEOUT;
de4157257515400c2c25373591135f110227b68cvboxsync        case WAIT_IO_COMPLETION:    return VERR_INTERRUPTED;
de4157257515400c2c25373591135f110227b68cvboxsync        case WAIT_ABANDONED:        return VERR_SEM_OWNER_DIED;
de4157257515400c2c25373591135f110227b68cvboxsync        default:
de4157257515400c2c25373591135f110227b68cvboxsync            AssertMsgFailed(("%u\n", rc));
de4157257515400c2c25373591135f110227b68cvboxsync        case WAIT_FAILED:
de4157257515400c2c25373591135f110227b68cvboxsync        {
de4157257515400c2c25373591135f110227b68cvboxsync            int rc2 = RTErrConvertFromWin32(GetLastError());
de4157257515400c2c25373591135f110227b68cvboxsync            AssertMsgFailed(("Wait on hEventMultiSem %p failed, rc=%d lasterr=%d\n", pThis, rc, GetLastError()));
de4157257515400c2c25373591135f110227b68cvboxsync            if (rc2)
de4157257515400c2c25373591135f110227b68cvboxsync                return rc2;
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync            AssertMsgFailed(("WaitForSingleObject(event) -> rc=%d while converted lasterr=%d\n", rc, rc2));
de4157257515400c2c25373591135f110227b68cvboxsync            return VERR_INTERNAL_ERROR;
de4157257515400c2c25373591135f110227b68cvboxsync        }
de4157257515400c2c25373591135f110227b68cvboxsync    }
de4157257515400c2c25373591135f110227b68cvboxsync}
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync#undef RTSemEventMultiWaitNoResume
de4157257515400c2c25373591135f110227b68cvboxsyncRTDECL(int)  RTSemEventMultiWaitNoResume(RTSEMEVENTMULTI hEventMultiSem, RTMSINTERVAL cMillies)
de4157257515400c2c25373591135f110227b68cvboxsync{
d61e6f5b11d9031623420bd7ed3013477d8f402dvboxsync    PCRTLOCKVALSRCPOS pSrcPos = NULL;
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync    /*
c7ff622115966b69b482bd2896662e40d823b22fvboxsync     * Validate input.
de4157257515400c2c25373591135f110227b68cvboxsync     */
de4157257515400c2c25373591135f110227b68cvboxsync    struct RTSEMEVENTMULTIINTERNAL *pThis = hEventMultiSem;
de4157257515400c2c25373591135f110227b68cvboxsync    AssertPtrReturn(pThis, VERR_INVALID_HANDLE);
d61e6f5b11d9031623420bd7ed3013477d8f402dvboxsync    AssertReturn(pThis->u32Magic == RTSEMEVENTMULTI_MAGIC, VERR_INVALID_HANDLE);
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync    /*
de4157257515400c2c25373591135f110227b68cvboxsync     * Wait for condition.
de4157257515400c2c25373591135f110227b68cvboxsync     */
de4157257515400c2c25373591135f110227b68cvboxsync#ifdef RTSEMEVENT_STRICT
de4157257515400c2c25373591135f110227b68cvboxsync    RTTHREAD hThreadSelf = RTThreadSelfAutoAdopt();
de4157257515400c2c25373591135f110227b68cvboxsync    if (pThis->fEverHadSignallers)
de4157257515400c2c25373591135f110227b68cvboxsync    {
de4157257515400c2c25373591135f110227b68cvboxsync        DWORD rc = WaitForSingleObjectEx(pThis->hev,
de4157257515400c2c25373591135f110227b68cvboxsync                                         0 /*Timeout*/,
de4157257515400c2c25373591135f110227b68cvboxsync                                         TRUE /*fAlertable*/);
de4157257515400c2c25373591135f110227b68cvboxsync        if (rc != WAIT_TIMEOUT || cMillies == 0)
de4157257515400c2c25373591135f110227b68cvboxsync            return rtSemEventWaitHandleStatus(pThis, rc);
de4157257515400c2c25373591135f110227b68cvboxsync        int rc9 = RTLockValidatorRecSharedCheckBlocking(&pThis->Signallers, hThreadSelf, pSrcPos, false,
de4157257515400c2c25373591135f110227b68cvboxsync                                                        cMillies, RTTHREADSTATE_EVENT_MULTI, true);
de4157257515400c2c25373591135f110227b68cvboxsync        if (RT_FAILURE(rc9))
de4157257515400c2c25373591135f110227b68cvboxsync            return rc9;
de4157257515400c2c25373591135f110227b68cvboxsync    }
de4157257515400c2c25373591135f110227b68cvboxsync#else
de4157257515400c2c25373591135f110227b68cvboxsync    RTTHREAD hThreadSelf = RTThreadSelf();
de4157257515400c2c25373591135f110227b68cvboxsync#endif
de4157257515400c2c25373591135f110227b68cvboxsync    RTThreadBlocking(hThreadSelf, RTTHREADSTATE_EVENT_MULTI, true);
de4157257515400c2c25373591135f110227b68cvboxsync    DWORD rc = WaitForSingleObjectEx(pThis->hev,
de4157257515400c2c25373591135f110227b68cvboxsync                                     cMillies == RT_INDEFINITE_WAIT ? INFINITE : cMillies,
de4157257515400c2c25373591135f110227b68cvboxsync                                     TRUE /*fAlertable*/);
de4157257515400c2c25373591135f110227b68cvboxsync    RTThreadUnblocked(hThreadSelf, RTTHREADSTATE_EVENT_MULTI);
de4157257515400c2c25373591135f110227b68cvboxsync    return rtSemEventWaitHandleStatus(pThis, rc);
de4157257515400c2c25373591135f110227b68cvboxsync}
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsyncRTDECL(void) RTSemEventMultiSetSignaller(RTSEMEVENTMULTI hEventMultiSem, RTTHREAD hThread)
de4157257515400c2c25373591135f110227b68cvboxsync{
de4157257515400c2c25373591135f110227b68cvboxsync#ifdef RTSEMEVENT_STRICT
de4157257515400c2c25373591135f110227b68cvboxsync    struct RTSEMEVENTMULTIINTERNAL *pThis = hEventMultiSem;
de4157257515400c2c25373591135f110227b68cvboxsync    AssertPtrReturnVoid(pThis);
de4157257515400c2c25373591135f110227b68cvboxsync    AssertReturnVoid(pThis->u32Magic == RTSEMEVENTMULTI_MAGIC);
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync    ASMAtomicWriteBool(&pThis->fEverHadSignallers, true);
de4157257515400c2c25373591135f110227b68cvboxsync    RTLockValidatorRecSharedResetOwner(&pThis->Signallers, hThread, NULL);
de4157257515400c2c25373591135f110227b68cvboxsync#endif
de4157257515400c2c25373591135f110227b68cvboxsync}
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsyncRTDECL(void) RTSemEventMultiAddSignaller(RTSEMEVENTMULTI hEventMultiSem, RTTHREAD hThread)
de4157257515400c2c25373591135f110227b68cvboxsync{
de4157257515400c2c25373591135f110227b68cvboxsync#ifdef RTSEMEVENT_STRICT
de4157257515400c2c25373591135f110227b68cvboxsync    struct RTSEMEVENTMULTIINTERNAL *pThis = hEventMultiSem;
de4157257515400c2c25373591135f110227b68cvboxsync    AssertPtrReturnVoid(pThis);
de4157257515400c2c25373591135f110227b68cvboxsync    AssertReturnVoid(pThis->u32Magic == RTSEMEVENTMULTI_MAGIC);
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync    ASMAtomicWriteBool(&pThis->fEverHadSignallers, true);
de4157257515400c2c25373591135f110227b68cvboxsync    RTLockValidatorRecSharedAddOwner(&pThis->Signallers, hThread, NULL);
de4157257515400c2c25373591135f110227b68cvboxsync#endif
de4157257515400c2c25373591135f110227b68cvboxsync}
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsyncRTDECL(void) RTSemEventMultiRemoveSignaller(RTSEMEVENTMULTI hEventMultiSem, RTTHREAD hThread)
de4157257515400c2c25373591135f110227b68cvboxsync{
de4157257515400c2c25373591135f110227b68cvboxsync#ifdef RTSEMEVENT_STRICT
de4157257515400c2c25373591135f110227b68cvboxsync    struct RTSEMEVENTMULTIINTERNAL *pThis = hEventMultiSem;
de4157257515400c2c25373591135f110227b68cvboxsync    AssertPtrReturnVoid(pThis);
de4157257515400c2c25373591135f110227b68cvboxsync    AssertReturnVoid(pThis->u32Magic == RTSEMEVENTMULTI_MAGIC);
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync    RTLockValidatorRecSharedRemoveOwner(&pThis->Signallers, hThread);
de4157257515400c2c25373591135f110227b68cvboxsync#endif
de4157257515400c2c25373591135f110227b68cvboxsync}
de4157257515400c2c25373591135f110227b68cvboxsync
de4157257515400c2c25373591135f110227b68cvboxsync