Index: ui/gfx/surface/transport_dib_linux.cc |
diff --git a/ui/gfx/surface/transport_dib_linux.cc b/ui/gfx/surface/transport_dib_linux.cc |
deleted file mode 100644 |
index c41ea9ea9c4166ca6cf0e222b0f92ceb077bce4f..0000000000000000000000000000000000000000 |
--- a/ui/gfx/surface/transport_dib_linux.cc |
+++ /dev/null |
@@ -1,141 +0,0 @@ |
-// 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 "ui/gfx/surface/transport_dib.h" |
- |
-#include <errno.h> |
-#include <stdlib.h> |
-#include <sys/ipc.h> |
-#include <sys/shm.h> |
- |
-#include "base/logging.h" |
-#include "base/memory/scoped_ptr.h" |
-#include "skia/ext/platform_canvas.h" |
-#include "ui/base/x/x11_util.h" |
-#include "ui/gfx/size.h" |
- |
-// The shmat system call uses this as it's invalid return address |
-static void *const kInvalidAddress = (void*) -1; |
- |
-TransportDIB::TransportDIB() |
- : address_(kInvalidAddress), |
- x_shm_(0), |
- display_(NULL), |
- size_(0) { |
-} |
- |
-TransportDIB::~TransportDIB() { |
- if (address_ != kInvalidAddress) { |
- shmdt(address_); |
- address_ = kInvalidAddress; |
- } |
- |
- if (x_shm_) { |
- DCHECK(display_); |
- ui::DetachSharedMemory(display_, x_shm_); |
- } |
-} |
- |
-// static |
-TransportDIB* TransportDIB::Create(size_t size, uint32 sequence_num) { |
- // We use a mode of 0666 since the X server won't attach to memory which is |
- // 0600 since it can't know if it (as a root process) is being asked to map |
- // someone else's private shared memory region. |
- const int shmkey = shmget(IPC_PRIVATE, size, 0666); |
- if (shmkey == -1) { |
- DLOG(ERROR) << "Failed to create SysV shared memory region" |
- << " errno:" << errno; |
- return NULL; |
- } |
- |
- void* address = shmat(shmkey, NULL /* desired address */, 0 /* flags */); |
- // Here we mark the shared memory for deletion. Since we attached it in the |
- // line above, it doesn't actually get deleted but, if we crash, this means |
- // that the kernel will automatically clean it up for us. |
- shmctl(shmkey, IPC_RMID, 0); |
- if (address == kInvalidAddress) |
- return NULL; |
- |
- TransportDIB* dib = new TransportDIB; |
- |
- dib->key_.shmkey = shmkey; |
- dib->address_ = address; |
- dib->size_ = size; |
- return dib; |
-} |
- |
-// static |
-TransportDIB* TransportDIB::Map(Handle handle) { |
- scoped_ptr<TransportDIB> dib(CreateWithHandle(handle)); |
- if (!dib->Map()) |
- return NULL; |
- return dib.release(); |
-} |
- |
-// static |
-TransportDIB* TransportDIB::CreateWithHandle(Handle shmkey) { |
- TransportDIB* dib = new TransportDIB; |
- dib->key_.shmkey = shmkey; |
- return dib; |
-} |
- |
-// static |
-bool TransportDIB::is_valid_handle(Handle dib) { |
- return dib >= 0; |
-} |
- |
-// static |
-bool TransportDIB::is_valid_id(Id id) { |
- return id.shmkey != -1; |
-} |
- |
-skia::PlatformCanvas* TransportDIB::GetPlatformCanvas(int w, int h) { |
- if (address_ == kInvalidAddress && !Map()) |
- return NULL; |
- scoped_ptr<skia::PlatformCanvas> canvas(new skia::PlatformCanvas); |
- if (!canvas->initialize(w, h, true, reinterpret_cast<uint8_t*>(memory()))) |
- return NULL; |
- return canvas.release(); |
-} |
- |
-bool TransportDIB::Map() { |
- if (!is_valid_id(key_)) |
- return false; |
- if (address_ != kInvalidAddress) |
- return true; |
- |
- struct shmid_ds shmst; |
- if (shmctl(key_.shmkey, IPC_STAT, &shmst) == -1) |
- return false; |
- |
- void* address = shmat(key_.shmkey, NULL /* desired address */, 0 /* flags */); |
- if (address == kInvalidAddress) |
- return false; |
- |
- address_ = address; |
- size_ = shmst.shm_segsz; |
- return true; |
-} |
- |
-void* TransportDIB::memory() const { |
- DCHECK_NE(address_, kInvalidAddress); |
- return address_; |
-} |
- |
-TransportDIB::Id TransportDIB::id() const { |
- return key_; |
-} |
- |
-TransportDIB::Handle TransportDIB::handle() const { |
- return key_.shmkey; |
-} |
- |
-XID TransportDIB::MapToX(Display* display) { |
- if (!x_shm_) { |
- x_shm_ = ui::AttachSharedMemory(display, key_.shmkey); |
- display_ = display; |
- } |
- |
- return x_shm_; |
-} |