C++ (Cpp) ion_unmap Exemples

Exemple #1

Fichier : gralloc_module.cpp Projet : Frontier314/t7s_aokp

static int gralloc_unmap(gralloc_module_t const* module,
        buffer_handle_t handle)
{
    private_handle_t* hnd = (private_handle_t*)handle;
    if (!(hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER)) {
        if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_IOCTL) {
            void* base = (void*)(intptr_t(hnd->base) - hnd->offset);
            size_t size = FIMC1_RESERVED_SIZE * 1024;
            if (munmap(base, size) < 0)
                ALOGE("Could not unmap %s", strerror(errno));
        } else if (hnd->flags & private_handle_t::PRIV_FLAGS_USES_ION) {
            void* base = (void*)hnd->base;
            size_t size = hnd->size;
            if (ion_unmap(base, size) < 0)
                ALOGE("Could not ion_unmap %s", strerror(errno));
            ion_client_destroy(hnd->ion_client);
        } else {
            void* base = (void*)hnd->base;
            size_t size = hnd->size;
#if PMEM_HACK
            base = (void*)(intptr_t(base) - hnd->offset);
            size += hnd->offset;
#endif
            if (munmap(base, size) < 0)
                ALOGE("Could not unmap %s", strerror(errno));
        }
    }
    hnd->base = 0;
    return 0;
}

Exemple #2

Fichier : MemoryHeapIon.cpp Projet : AOSB/android_frameworks_native

MemoryHeapIon::~MemoryHeapIon()
{
    if (mIonClient != -1) {
        ion_unmap(getBase(), getSize());
        ion_client_destroy(mIonClient);
        mIonClient = -1;
    }
}

Exemple #3

Fichier : ExynosVirtualDisplay.cpp Projet : TeamEOS/hardware_samsung_slsi_exynos

void ExynosVirtualDisplay::unmapAddrFBTarget()
{
    for (int i = 0; i < NUM_FB_TARGET; i++) {
        if (fbTargetInfo[i].fd != -1) {
            ion_unmap((void *)fbTargetInfo[i].mappedAddr, fbTargetInfo[i].mapSize);
            fbTargetInfo[i].fd = -1;
            fbTargetInfo[i].mappedAddr = 0;
            fbTargetInfo[i].mapSize = 0;
        }
    }
}