Exemplos de RT_ASSERT_PREEMPT_CPUID_SPIN_RELEASE em C++ (Cpp)

Exemplo n.º 1

Arquivo: spinlock-r0drv-linux.c Projeto: gbriones1/clear-vboxadd

RTDECL(void) RTSpinlockRelease(RTSPINLOCK Spinlock)
{
    PRTSPINLOCKINTERNAL pThis = (PRTSPINLOCKINTERNAL)Spinlock;
    RT_ASSERT_PREEMPT_CPUID_SPIN_RELEASE_VARS();
    AssertMsg(pThis && pThis->u32Magic == RTSPINLOCK_MAGIC,
              ("pThis=%p u32Magic=%08x\n", pThis, pThis ? (int)pThis->u32Magic : 0));
    RT_ASSERT_PREEMPT_CPUID_SPIN_RELEASE(pThis);

#ifdef CONFIG_PROVE_LOCKING
    lockdep_off();
#endif
    if (pThis->fFlags & RTSPINLOCK_FLAGS_INTERRUPT_SAFE)
    {
        unsigned long fIntSaved = pThis->fIntSaved;
        pThis->fIntSaved = 0;
        spin_unlock_irqrestore(&pThis->Spinlock, fIntSaved);
    }
    else
        spin_unlock(&pThis->Spinlock);
#ifdef CONFIG_PROVE_LOCKING
    lockdep_on();
#endif

    RT_ASSERT_PREEMPT_CPUID();
}

Exemplo n.º 2

Arquivo: spinlock-r0drv-freebsd.c Projeto: mdaniel/virtualbox-org-svn-vbox-trunk

RTDECL(void) RTSpinlockRelease(RTSPINLOCK Spinlock)
{
    PRTSPINLOCKINTERNAL pThis = (PRTSPINLOCKINTERNAL)Spinlock;
    RT_ASSERT_PREEMPT_CPUID_SPIN_RELEASE_VARS();

    AssertPtr(pThis);
    Assert(pThis->u32Magic == RTSPINLOCK_MAGIC);
    RT_ASSERT_PREEMPT_CPUID_SPIN_RELEASE(pThis);

    if (pThis->fFlags & RTSPINLOCK_FLAGS_INTERRUPT_SAFE)
    {
        uint32_t fIntSaved = pThis->fIntSaved;
        pThis->fIntSaved = 0;
        if (ASMAtomicCmpXchgU32(&pThis->fLocked, 0, 1))
            ASMSetFlags(fIntSaved);
        else
            AssertMsgFailed(("Spinlock %p was not locked!\n", pThis));
    }
    else
    {
        if (!ASMAtomicCmpXchgU32(&pThis->fLocked, 0, 1))
            AssertMsgFailed(("Spinlock %p was not locked!\n", pThis));
    }

    critical_exit();
}

Exemplo n.º 3

Arquivo: spinlock-r0drv-solaris.c Projeto: mdaniel/virtualbox-org-svn-vbox-trunk

RTDECL(void) RTSpinlockRelease(RTSPINLOCK Spinlock)
{
    PRTSPINLOCKINTERNAL pThis = (PRTSPINLOCKINTERNAL)Spinlock;
    RT_ASSERT_PREEMPT_CPUID_SPIN_RELEASE_VARS();

    AssertPtr(pThis);
    Assert(pThis->u32Magic == RTSPINLOCK_MAGIC);
    RT_ASSERT_PREEMPT_CPUID_SPIN_RELEASE(pThis);

    if (pThis->fFlags & RTSPINLOCK_FLAGS_INTERRUPT_SAFE)
    {
#if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)
        uint32_t fIntSaved = pThis->fIntSaved;
        pThis->fIntSaved = 0;
#endif
        mutex_exit(&pThis->Mtx);

#if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)
        ASMSetFlags(fIntSaved);
#endif
    }
    else
    {
#if defined(RT_STRICT) && (defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86))
        bool fIntsOn = ASMIntAreEnabled();
#endif

        mutex_exit(&pThis->Mtx);

#if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)
        AssertMsg(fIntsOn == ASMIntAreEnabled(), ("fIntsOn=%RTbool\n", fIntsOn));
#endif
    }

    RT_ASSERT_PREEMPT_CPUID();
}