Initial commit

common/os/CMakeLists.txt

@@ -0,0 +1,15 @@
+include_directories(${CMAKE_SOURCE_DIR}/common)
+
+add_library(os STATIC
+  Mutex.cxx
+  Thread.cxx
+  w32tiger.c
+  os.cxx)
+
+if(UNIX)
+  target_link_libraries(os pthread)
+endif()
+
+if(UNIX)
+  libtool_create_control_file(os)
+endif()

common/os/Mutex.cxx

@@ -0,0 +1,154 @@
+/* Copyright 2015 Pierre Ossman for Cendio AB
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+#ifdef WIN32
+#include <windows.h>
+#else
+#include <pthread.h>
+#endif
+
+#include <rdr/Exception.h>
+
+#include <os/Mutex.h>
+
+using namespace os;
+
+Mutex::Mutex()
+{
+#ifdef WIN32
+  systemMutex = new CRITICAL_SECTION;
+  InitializeCriticalSection((CRITICAL_SECTION*)systemMutex);
+#else
+  int ret;
+
+  systemMutex = new pthread_mutex_t;
+  ret = pthread_mutex_init((pthread_mutex_t*)systemMutex, NULL);
+  if (ret != 0)
+    throw rdr::SystemException("Failed to create mutex", ret);
+#endif
+}
+
+Mutex::~Mutex()
+{
+#ifdef WIN32
+  DeleteCriticalSection((CRITICAL_SECTION*)systemMutex);
+  delete (CRITICAL_SECTION*)systemMutex;
+#else
+  pthread_mutex_destroy((pthread_mutex_t*)systemMutex);
+  delete (pthread_mutex_t*)systemMutex;
+#endif
+}
+
+void Mutex::lock()
+{
+#ifdef WIN32
+  EnterCriticalSection((CRITICAL_SECTION*)systemMutex);
+#else
+  int ret;
+
+  ret = pthread_mutex_lock((pthread_mutex_t*)systemMutex);
+  if (ret != 0)
+    throw rdr::SystemException("Failed to lock mutex", ret);
+#endif
+}
+
+void Mutex::unlock()
+{
+#ifdef WIN32
+  LeaveCriticalSection((CRITICAL_SECTION*)systemMutex);
+#else
+  int ret;
+
+  ret = pthread_mutex_unlock((pthread_mutex_t*)systemMutex);
+  if (ret != 0)
+    throw rdr::SystemException("Failed to unlock mutex", ret);
+#endif
+}
+
+Condition::Condition(Mutex* mutex)
+{
+  this->mutex = mutex;
+
+#ifdef WIN32
+  systemCondition = new CONDITION_VARIABLE;
+  InitializeConditionVariable((CONDITION_VARIABLE*)systemCondition);
+#else
+  int ret;
+
+  systemCondition = new pthread_cond_t;
+  ret = pthread_cond_init((pthread_cond_t*)systemCondition, NULL);
+  if (ret != 0)
+    throw rdr::SystemException("Failed to create condition variable", ret);
+#endif
+}
+
+Condition::~Condition()
+{
+#ifdef WIN32
+  delete (CONDITION_VARIABLE*)systemCondition;
+#else
+  pthread_cond_destroy((pthread_cond_t*)systemCondition);
+  delete (pthread_cond_t*)systemCondition;
+#endif
+}
+
+void Condition::wait()
+{
+#ifdef WIN32
+  BOOL ret;
+
+  ret = SleepConditionVariableCS((CONDITION_VARIABLE*)systemCondition,
+                                 (CRITICAL_SECTION*)mutex->systemMutex,
+                                 INFINITE);
+  if (!ret)
+    throw rdr::SystemException("Failed to wait on condition variable", GetLastError());
+#else
+  int ret;
+
+  ret = pthread_cond_wait((pthread_cond_t*)systemCondition,
+                          (pthread_mutex_t*)mutex->systemMutex);
+  if (ret != 0)
+    throw rdr::SystemException("Failed to wait on condition variable", ret);
+#endif
+}
+
+void Condition::signal()
+{
+#ifdef WIN32
+  WakeConditionVariable((CONDITION_VARIABLE*)systemCondition);
+#else
+  int ret;
+
+  ret = pthread_cond_signal((pthread_cond_t*)systemCondition);
+  if (ret != 0)
+    throw rdr::SystemException("Failed to signal condition variable", ret);
+#endif
+}
+
+void Condition::broadcast()
+{
+#ifdef WIN32
+  WakeAllConditionVariable((CONDITION_VARIABLE*)systemCondition);
+#else
+  int ret;
+
+  ret = pthread_cond_broadcast((pthread_cond_t*)systemCondition);
+  if (ret != 0)
+    throw rdr::SystemException("Failed to broadcast condition variable", ret);
+#endif
+}

common/os/Mutex.h

@@ -0,0 +1,64 @@
+/* Copyright 2015 Pierre Ossman for Cendio AB
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+#ifndef __OS_MUTEX_H__
+#define __OS_MUTEX_H__
+
+namespace os {
+  class Condition;
+
+  class Mutex {
+  public:
+    Mutex();
+    ~Mutex();
+
+    void lock();
+    void unlock();
+
+  private:
+    friend class Condition;
+
+    void* systemMutex;
+  };
+
+  class AutoMutex {
+  public:
+    AutoMutex(Mutex* mutex) { m = mutex; m->lock(); }
+    ~AutoMutex() { m->unlock(); }
+  private:
+    Mutex* m;
+  };
+
+  class Condition {
+  public:
+    Condition(Mutex* mutex);
+    ~Condition();
+
+    void wait();
+
+    void signal();
+    void broadcast();
+
+  private:
+    Mutex* mutex;
+    void* systemCondition;
+  };
+
+}
+
+#endif

common/os/Thread.cxx

@@ -0,0 +1,165 @@
+/* Copyright 2015 Pierre Ossman for Cendio AB
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+#ifdef WIN32
+#include <windows.h>
+#else
+#include <pthread.h>
+#include <signal.h>
+#include <unistd.h>
+#endif
+
+#include <rdr/Exception.h>
+
+#include <os/Mutex.h>
+#include <os/Thread.h>
+
+using namespace os;
+
+Thread::Thread() : running(false), threadId(NULL)
+{
+  mutex = new Mutex;
+
+#ifdef WIN32
+  threadId = new HANDLE;
+#else
+  threadId = new pthread_t;
+#endif
+}
+
+Thread::~Thread()
+{
+#ifdef WIN32
+  delete (HANDLE*)threadId;
+#else
+  if (isRunning())
+    pthread_cancel(*(pthread_t*)threadId);
+  delete (pthread_t*)threadId;
+#endif
+
+  delete mutex;
+}
+
+void Thread::start()
+{
+  AutoMutex a(mutex);
+
+#ifdef WIN32
+  *(HANDLE*)threadId = CreateThread(NULL, 0, startRoutine, this, 0, NULL);
+  if (*(HANDLE*)threadId == NULL)
+    throw rdr::SystemException("Failed to create thread", GetLastError());
+#else
+  int ret;
+  sigset_t all, old;
+
+  // Creating threads from libraries is a bit evil, so mitigate the
+  // issue by at least avoiding signals on these threads
+  sigfillset(&all);
+  ret = pthread_sigmask(SIG_SETMASK, &all, &old);
+  if (ret != 0)
+    throw rdr::SystemException("Failed to mask signals", ret);
+
+  ret = pthread_create((pthread_t*)threadId, NULL, startRoutine, this);
+
+  pthread_sigmask(SIG_SETMASK, &old, NULL);
+
+  if (ret != 0)
+    throw rdr::SystemException("Failed to create thread", ret);
+#endif
+
+  running = true;
+}
+
+void Thread::wait()
+{
+  if (!isRunning())
+    return;
+
+#ifdef WIN32
+  DWORD ret;
+
+  ret = WaitForSingleObject(*(HANDLE*)threadId, INFINITE);
+  if (ret != WAIT_OBJECT_0)
+    throw rdr::SystemException("Failed to join thread", GetLastError());
+#else
+  int ret;
+
+  ret = pthread_join(*(pthread_t*)threadId, NULL);
+  if (ret != 0)
+    throw rdr::SystemException("Failed to join thread", ret);
+#endif
+}
+
+bool Thread::isRunning()
+{
+  AutoMutex a(mutex);
+
+  return running;
+}
+
+size_t Thread::getSystemCPUCount()
+{
+#ifdef WIN32
+  SYSTEM_INFO si;
+  size_t count;
+  DWORD mask;
+
+  GetSystemInfo(&si);
+
+  count = 0;
+  for (mask = si.dwActiveProcessorMask;mask != 0;mask >>= 1) {
+    if (mask & 0x1)
+      count++;
+  }
+
+  if (count > si.dwNumberOfProcessors)
+    count = si.dwNumberOfProcessors;
+
+  return count;
+#else
+  long ret;
+
+  ret = sysconf(_SC_NPROCESSORS_ONLN);
+  if (ret == -1)
+    return 0;
+
+  return ret;
+#endif
+}
+
+#ifdef WIN32
+long unsigned __stdcall Thread::startRoutine(void* data)
+#else
+void* Thread::startRoutine(void* data)
+#endif
+{
+  Thread *self;
+
+  self = (Thread*)data;
+
+  try {
+    self->worker();
+  } catch(...) {
+  }
+
+  self->mutex->lock();
+  self->running = false;
+  self->mutex->unlock();
+
+  return 0;
+}

common/os/Thread.h

@@ -0,0 +1,58 @@
+/* Copyright 2015 Pierre Ossman for Cendio AB
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+#ifndef __OS_THREAD_H__
+#define __OS_THREAD_H__
+
+#include <stddef.h>
+
+namespace os {
+  class Mutex;
+
+  class Thread {
+  public:
+    Thread();
+    virtual ~Thread();
+
+    void start();
+    void wait();
+
+    bool isRunning();
+
+  public:
+    static size_t getSystemCPUCount();
+
+  protected:
+    virtual void worker() = 0;
+
+  private:
+#ifdef WIN32
+    static long unsigned __stdcall startRoutine(void* data);
+#else
+    static void* startRoutine(void* data);
+#endif
+
+  private:
+    Mutex *mutex;
+    bool running;
+
+    void *threadId;
+  };
+}
+
+#endif

common/os/os.cxx

@@ -0,0 +1,97 @@
+/* Copyright (C) 2010 TightVNC Team.  All Rights Reserved.
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <os/os.h>
+
+#include <assert.h>
+
+#ifndef WIN32
+#include <pwd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+#else
+#include <windows.h>
+#include <wininet.h> /* MinGW needs it */
+#include <shlobj.h>
+#endif
+
+int getvnchomedir(char **dirp)
+{
+#ifndef WIN32
+	char *homedir, *dir;
+	size_t len;
+	uid_t uid;
+	struct passwd *passwd;
+#else
+	TCHAR *dir;
+	BOOL ret;
+#endif
+
+	assert(dirp != NULL && *dirp == NULL);
+
+#ifndef WIN32
+	homedir = getenv("HOME");
+	if (homedir == NULL) {
+		uid = getuid();
+		passwd = getpwuid(uid);
+		if (passwd == NULL) {
+			/* Do we want emit error msg here? */
+			return -1;
+		}
+		homedir = passwd->pw_dir;
+	}
+
+	len = strlen(homedir);
+	dir = new char[len+7];
+	if (dir == NULL)
+		return -1;
+
+	memcpy(dir, homedir, len);
+	memcpy(dir + len, "/.vnc/\0", 7);
+#else
+	dir = new TCHAR[MAX_PATH];
+	if (dir == NULL)
+		return -1;
+
+	ret = SHGetSpecialFolderPath(NULL, dir, CSIDL_APPDATA, FALSE);
+	if (ret == FALSE) {
+		delete [] dir;
+		return -1;
+	}
+	memcpy(dir+strlen(dir), (TCHAR *)"\\vnc\\\0", 6);
+#endif
+	*dirp = dir;
+	return 0;
+}
+
+int fileexists(char *file)
+{
+#ifdef WIN32
+  return (GetFileAttributes(file) == INVALID_FILE_ATTRIBUTES) ? -1 : 0;
+#else
+  return access(file, R_OK);
+#endif
+}
+
+

common/os/os.h

@@ -0,0 +1,51 @@
+/* Copyright (C) 2010 TightVNC Team.  All Rights Reserved.
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+#ifndef OS_OS_H
+#define OS_OS_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <os/w32tiger.h>
+
+/*
+ * Get VNC home directory ($HOME/.vnc or %APPDATA%/vnc/).
+ * If HOME environment variable is set then it is used.
+ * Otherwise home directory is obtained via getpwuid function.
+ *
+ * Note for Windows:
+ * This functions returns array of TCHARs, not array of chars.
+ *
+ * Returns:
+ * 0 - Success
+ * -1 - Failure
+ */
+int getvnchomedir(char **dirp);
+
+/*
+ * Check if the file exists
+ *
+ * Returns:
+ * 0 - Success
+ * -1 - Failure
+ */
+int fileexists(char *file);
+
+#endif /* OS_OS_H */

common/os/w32tiger.c

@@ -0,0 +1,33 @@
+/* Copyright (C) 2011 TigerVNC Team.  All Rights Reserved.
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifdef WIN32 
+
+#define INITGUID
+#include <basetyps.h>
+
+#ifndef HAVE_ACTIVE_DESKTOP_L
+DEFINE_GUID(CLSID_ActiveDesktop,0x75048700L,0xEF1F,0x11D0,0x98,0x88,0x00,0x60,0x97,0xDE,0xAC,0xF9);
+DEFINE_GUID(IID_IActiveDesktop,0xF490EB00L,0x1240,0x11D1,0x98,0x88,0x00,0x60,0x97,0xDE,0xAC,0xF9);
+#endif
+
+#endif /* WIN32 */

common/os/w32tiger.h

@@ -0,0 +1,187 @@
+/* Copyright (C) 2011 TigerVNC Team.  All Rights Reserved.
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+#ifndef OS_W32TIGER_H
+#define OS_W32TIGER_H
+
+#ifdef WIN32 
+
+#include <windows.h>
+#include <wininet.h>
+#include <shlobj.h>
+#include <shlguid.h>
+#include <wininet.h>
+
+
+/* Windows has different names for these */
+#define strcasecmp _stricmp
+#define strncasecmp _strnicmp
+
+
+/* MSLLHOOKSTRUCT structure*/
+#ifndef LLMHF_INJECTED
+#define LLMHF_INJECTED          0x00000001
+#endif
+
+
+/* IActiveDesktop. As of 2011-10-12, MinGW does not define
+   IActiveDesktop in any way (see tracker 2877129), while MinGW64 is
+   broken: has the headers but not the lib symbols. */
+#ifndef HAVE_ACTIVE_DESKTOP_H
+extern const GUID CLSID_ActiveDesktop;
+extern const GUID IID_IActiveDesktop;
+
+/* IActiveDesktop::AddUrl */
+#define ADDURL_SILENT		0x0001
+
+/* IActiveDesktop::AddDesktopItemWithUI */
+#define DTI_ADDUI_DEFAULT	0x00000000
+#define DTI_ADDUI_DISPSUBWIZARD	0x00000001
+#define DTI_ADDUI_POSITIONITEM	0x00000002
+
+/* IActiveDesktop::ModifyDesktopItem */
+#define COMP_ELEM_TYPE		0x00000001
+#define COMP_ELEM_CHECKED	0x00000002
+#define COMP_ELEM_DIRTY		0x00000004
+#define COMP_ELEM_NOSCROLL	0x00000008
+#define COMP_ELEM_POS_LEFT	0x00000010
+#define COMP_ELEM_POS_TOP	0x00000020
+#define COMP_ELEM_SIZE_WIDTH	0x00000040
+#define COMP_ELEM_SIZE_HEIGHT	0x00000080
+#define COMP_ELEM_POS_ZINDEX	0x00000100
+#define COMP_ELEM_SOURCE	0x00000200
+#define COMP_ELEM_FRIENDLYNAME	0x00000400
+#define COMP_ELEM_SUBSCRIBEDURL	0x00000800
+#define COMP_ELEM_ORIGINAL_CSI	0x00001000
+#define COMP_ELEM_RESTORED_CSI	0x00002000
+#define COMP_ELEM_CURITEMSTATE	0x00004000
+#define COMP_ELEM_ALL		0x00007FFF /* OR-ed all COMP_ELEM_ */
+
+/* IActiveDesktop::GetWallpaper */
+#define AD_GETWP_BMP		0x00000000
+#define AD_GETWP_IMAGE		0x00000001
+#define AD_GETWP_LAST_APPLIED	0x00000002
+
+/* IActiveDesktop::ApplyChanges */
+#define AD_APPLY_SAVE		0x00000001
+#define AD_APPLY_HTMLGEN	0x00000002
+#define AD_APPLY_REFRESH	0x00000004
+#define AD_APPLY_ALL		0x00000007 /* OR-ed three AD_APPLY_ above */
+#define AD_APPLY_FORCE		0x00000008
+#define AD_APPLY_BUFFERED_REFRESH 0x00000010
+#define AD_APPLY_DYNAMICREFRESH	0x00000020
+
+/* Structures for IActiveDesktop */
+typedef struct {
+	DWORD dwSize;
+	int iLeft;
+	int iTop;
+	DWORD dwWidth;
+	DWORD dwHeight;
+	DWORD dwItemState;
+} COMPSTATEINFO, *LPCOMPSTATEINFO;
+typedef const COMPSTATEINFO *LPCCOMPSTATEINFO;
+
+typedef struct {
+	DWORD dwSize;
+	int iLeft;
+	int iTop;
+	DWORD dwWidth;
+	DWORD dwHeight;
+	int izIndex;
+	BOOL fCanResize;
+	BOOL fCanResizeX;
+	BOOL fCanResizeY;
+	int iPreferredLeftPercent;
+	int iPreferredTopPercent;
+} COMPPOS, *LPCOMPPOS;
+typedef const COMPPOS *LPCCOMPPOS;
+
+typedef struct {
+	DWORD dwSize;
+	DWORD dwID;
+	int iComponentType;
+	BOOL fChecked;
+	BOOL fDirty;
+	BOOL fNoScroll;
+	COMPPOS cpPos;
+	WCHAR wszFriendlyName[MAX_PATH];
+	WCHAR wszSource[INTERNET_MAX_URL_LENGTH];
+	WCHAR wszSubscribedURL[INTERNET_MAX_URL_LENGTH];
+	DWORD dwCurItemState;
+	COMPSTATEINFO csiOriginal;
+	COMPSTATEINFO csiRestored;
+} COMPONENT, *LPCOMPONENT;
+typedef const COMPONENT *LPCCOMPONENT;
+
+typedef struct {
+	DWORD dwSize;
+	BOOL fEnableComponents;
+	BOOL fActiveDesktop;
+} COMPONENTSOPT, *LPCOMPONENTSOPT;
+typedef const COMPONENTSOPT *LPCCOMPONENTSOPT;
+
+typedef struct {
+    DWORD dwSize;
+    DWORD dwStyle;
+} WALLPAPEROPT, *LPWALLPAPEROPT;
+typedef const WALLPAPEROPT *LPCWALLPAPEROPT;
+
+/* WALLPAPEROPT styles */
+#define WPSTYLE_CENTER		0x0
+#define WPSTYLE_TILE		0x1
+#define WPSTYLE_STRETCH		0x2
+#define WPSTYLE_MAX		0x3
+
+/* Those two are defined in Windows 7 and newer, we don't need them now */
+#if 0
+#define WPSTYLE_KEEPASPECT	0x3
+#define WPSTYLE_CROPTOFIT	0x4
+#endif
+
+#define INTERFACE IActiveDesktop
+DECLARE_INTERFACE_(IActiveDesktop, IUnknown)
+{
+	STDMETHOD(QueryInterface)(THIS_ REFIID,PVOID*) PURE;
+	STDMETHOD_(ULONG,AddRef)(THIS) PURE;
+	STDMETHOD_(ULONG,Release)(THIS) PURE;
+	STDMETHOD(AddDesktopItem)(THIS_ LPCOMPONENT,DWORD) PURE;
+	STDMETHOD(AddDesktopItemWithUI)(THIS_ HWND,LPCOMPONENT,DWORD) PURE;
+	STDMETHOD(AddUrl)(THIS_ HWND,LPCWSTR,LPCOMPONENT,DWORD) PURE;
+	STDMETHOD(ApplyChanges)(THIS_ DWORD) PURE;
+	STDMETHOD(GenerateDesktopItemHtml)(THIS_ LPCWSTR,LPCOMPONENT,DWORD) PURE;
+	STDMETHOD(GetDesktopItem)(THIS_ int,LPCOMPONENT,DWORD) PURE;
+	STDMETHOD(GetDesktopItemByID)(THIS_ DWORD,LPCOMPONENT,DWORD) PURE;
+	STDMETHOD(GetDesktopItemBySource)(THIS_ LPCWSTR,LPCOMPONENT,DWORD) PURE;
+	STDMETHOD(GetDesktopItemCount)(THIS_ LPINT,DWORD) PURE;
+	STDMETHOD(GetDesktopItemOptions)(THIS_ LPCOMPONENTSOPT,DWORD) PURE;
+	STDMETHOD(GetPattern)(THIS_ LPWSTR,UINT,DWORD) PURE;
+	STDMETHOD(GetWallpaper)(THIS_ LPWSTR,UINT,DWORD) PURE;
+	STDMETHOD(GetWallpaperOptions)(THIS_ LPWALLPAPEROPT,DWORD) PURE;
+	STDMETHOD(ModifyDesktopItem)(THIS_ LPCCOMPONENT,DWORD) PURE;
+	STDMETHOD(RemoveDesktopItem)(THIS_ LPCCOMPONENT,DWORD) PURE;
+	STDMETHOD(SetDesktopItemOptions)(THIS_ LPCCOMPONENTSOPT,DWORD) PURE;
+	STDMETHOD(SetPattern)(THIS_ LPCWSTR,DWORD) PURE;
+	STDMETHOD(SetWallpaper)(THIS_ LPCWSTR,DWORD) PURE;
+	STDMETHOD(SetWallpaperOptions)(THIS_ LPCWALLPAPEROPT,DWORD) PURE;
+};
+#undef INTERFACE
+#endif /* HAVE_ACTIVE_DESKTOP_H */
+
+#endif /* WIN32 */
+#endif /* OS_W32TIGER_H */

common/os/winerrno.h

@@ -0,0 +1,89 @@
+
+/* Generated with:
+cat /usr/i686-pc-mingw32/sys-root/mingw/include/winerror.h \
+ | awk '/#define WSAE.*WSABASE/{gsub("WSA", ""); print "#undef " $2 "\n#define " $2 " WSA" $2}' \
+ | egrep -v 'EINTR|EBADF|EACCES|EFAULT|EINVAL|EMFILE|_QOS|PROVIDER|PROCTABLE'
+*/
+
+#undef EWOULDBLOCK
+#define EWOULDBLOCK WSAEWOULDBLOCK
+#undef EINPROGRESS
+#define EINPROGRESS WSAEINPROGRESS
+#undef EALREADY
+#define EALREADY WSAEALREADY
+#undef ENOTSOCK
+#define ENOTSOCK WSAENOTSOCK
+#undef EDESTADDRREQ
+#define EDESTADDRREQ WSAEDESTADDRREQ
+#undef EMSGSIZE
+#define EMSGSIZE WSAEMSGSIZE
+#undef EPROTOTYPE
+#define EPROTOTYPE WSAEPROTOTYPE
+#undef ENOPROTOOPT
+#define ENOPROTOOPT WSAENOPROTOOPT
+#undef EPROTONOSUPPORT
+#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
+#undef ESOCKTNOSUPPORT
+#define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
+#undef EOPNOTSUPP
+#define EOPNOTSUPP WSAEOPNOTSUPP
+#undef EPFNOSUPPORT
+#define EPFNOSUPPORT WSAEPFNOSUPPORT
+#undef EAFNOSUPPORT
+#define EAFNOSUPPORT WSAEAFNOSUPPORT
+#undef EADDRINUSE
+#define EADDRINUSE WSAEADDRINUSE
+#undef EADDRNOTAVAIL
+#define EADDRNOTAVAIL WSAEADDRNOTAVAIL
+#undef ENETDOWN
+#define ENETDOWN WSAENETDOWN
+#undef ENETUNREACH
+#define ENETUNREACH WSAENETUNREACH
+#undef ENETRESET
+#define ENETRESET WSAENETRESET
+#undef ECONNABORTED
+#define ECONNABORTED WSAECONNABORTED
+#undef ECONNRESET
+#define ECONNRESET WSAECONNRESET
+#undef ENOBUFS
+#define ENOBUFS WSAENOBUFS
+#undef EISCONN
+#define EISCONN WSAEISCONN
+#undef ENOTCONN
+#define ENOTCONN WSAENOTCONN
+#undef ESHUTDOWN
+#define ESHUTDOWN WSAESHUTDOWN
+#undef ETOOMANYREFS
+#define ETOOMANYREFS WSAETOOMANYREFS
+#undef ETIMEDOUT
+#define ETIMEDOUT WSAETIMEDOUT
+#undef ECONNREFUSED
+#define ECONNREFUSED WSAECONNREFUSED
+#undef ELOOP
+#define ELOOP WSAELOOP
+#undef ENAMETOOLONG
+#define ENAMETOOLONG WSAENAMETOOLONG
+#undef EHOSTDOWN
+#define EHOSTDOWN WSAEHOSTDOWN
+#undef EHOSTUNREACH
+#define EHOSTUNREACH WSAEHOSTUNREACH
+#undef ENOTEMPTY
+#define ENOTEMPTY WSAENOTEMPTY
+#undef EPROCLIM
+#define EPROCLIM WSAEPROCLIM
+#undef EUSERS
+#define EUSERS WSAEUSERS
+#undef EDQUOT
+#define EDQUOT WSAEDQUOT
+#undef ESTALE
+#define ESTALE WSAESTALE
+#undef EREMOTE
+#define EREMOTE WSAEREMOTE
+#undef EDISCON
+#define EDISCON WSAEDISCON
+#undef ENOMORE
+#define ENOMORE WSAENOMORE
+#undef ECANCELLED
+#define ECANCELLED WSAECANCELLED
+#undef EREFUSED
+#define EREFUSED WSAEREFUSED