blob: eb142993383181d62560d9199d17bc24d12de5ce [file] [log] [blame]
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/shared_memory.h"
#include "base/sync_socket.h"
#include "native_client/src/trusted/desc/nacl_desc_base.h"
#include "native_client/src/trusted/desc/nacl_desc_sync_socket.h"
#include "native_client/src/trusted/desc/nacl_desc_wrapper.h"
#include "ui/gfx/surface/transport_dib.h"
namespace nacl {
DescWrapper* DescWrapperFactory::ImportPepperSharedMemory(intptr_t shm_int,
size_t size) {
base::SharedMemory* shm = reinterpret_cast<base::SharedMemory*>(shm_int);
#if defined(OS_LINUX) || defined(OS_MACOSX)
return ImportShmHandle(shm->handle().fd, size);
#elif defined(OS_WIN)
return ImportShmHandle(shm->handle(), size);
#else
# error "What platform?"
#endif
}
DescWrapper* DescWrapperFactory::ImportPepper2DSharedMemory(intptr_t shm_int) {
TransportDIB* dib = reinterpret_cast<TransportDIB*>(shm_int);
#if defined(OS_LINUX)
// TransportDIBs use SysV (X) shared memory on Linux.
return ImportSysvShm(dib->handle(), dib->size());
#elif defined(OS_MACOSX)
// TransportDIBs use mmap shared memory on OSX.
return ImportShmHandle(dib->handle().fd, dib->size());
#elif defined(OS_WIN)
// TransportDIBs use MapViewOfFile shared memory on Windows.
return ImportShmHandle(dib->handle(), dib->size());
#else
# error "What platform?"
#endif
}
DescWrapper* DescWrapperFactory::ImportPepperSync(intptr_t sync_int) {
base::SyncSocket* sock = reinterpret_cast<base::SyncSocket*>(sync_int);
struct NaClDescSyncSocket* ss_desc = NULL;
DescWrapper* wrapper = NULL;
ss_desc = static_cast<NaClDescSyncSocket*>(
calloc(1, sizeof(*ss_desc)));
if (NULL == ss_desc) {
// TODO(sehr): Gotos are awful. Add a scoped_ptr variant that
// invokes NaClDescSafeUnref.
goto cleanup;
}
if (!NaClDescSyncSocketCtor(ss_desc, sock->handle())) {
free(ss_desc);
ss_desc = NULL;
goto cleanup;
}
wrapper = new DescWrapper(common_data_, &ss_desc->base);
if (NULL == wrapper) {
goto cleanup;
}
ss_desc = NULL; // DescWrapper takes ownership of ss_desc.
return wrapper;
cleanup:
NaClDescSafeUnref(&ss_desc->base);
return NULL;
}
} // namespace nacl