internal static void DecrementCallbackCount(int processId)
{
lock (syncLock) {
var c = callbackCount[processId];
CfxDebug.Assert(c > 0);
//Debug.Print("DecrementCallbackCount: callbackCount[{0}] = {1}", processId, c - 1);
if (c == 1)
{
// The main callback returned
callbackCount.Remove(processId);
suspensionCount.Remove(processId);
return;
}
callbackCount[processId] = c - 1;
if (c == 2)
{
// All callbacks except the main callback returned,
// release any threads waiting in SuspendCallbacks.
Monitor.PulseAll(syncLock);
}
}
}
private static void Load()
{
CfxDebug.Announce();
string libCfx, libCef;
FindLibraries(out libCef, out libCfx);
var loader = NativeFunctionLoader.Create();
var libcfxPath = System.IO.Path.Combine(libCfxDirPath, libCfx);
var libcefPath = System.IO.Path.Combine(libCefDirPath, libCef);
// as of 3.2883, this must be in the path due to libcef dependencies.
var path = Environment.GetEnvironmentVariable("PATH");
Environment.SetEnvironmentVariable("PATH", libCefDirPath + ";" + path);
libcefPtr = loader.LoadNativeLibrary(libcefPath);
if (libcefPtr == IntPtr.Zero)
{
throw new CfxException("Unable to load libcef library " + libcefPath);
}
libcfxPtr = loader.LoadNativeLibrary(libcfxPath);
if (libcfxPtr == IntPtr.Zero)
{
throw new CfxException("Unable to load libcfx library " + libcfxPath);
}
cfx_gc_handle_switch = SwitchGcHandle;
int platform;
IntPtr release;
IntPtr string_get_pointer;
IntPtr string_destroy;
IntPtr get_function_pointer;
cfx_api_initialize_delegate api_initialize = (cfx_api_initialize_delegate)LoadDelegate(loader, libcfxPtr, "cfx_api_initialize", typeof(cfx_api_initialize_delegate));
int retval = api_initialize(
libcefPtr,
Marshal.GetFunctionPointerForDelegate(cfx_gc_handle_switch),
out platform,
out CW_USEDEFAULT,
out release,
out string_get_pointer,
out string_destroy,
out get_function_pointer
);
if (retval != 0)
{
switch (retval)
{
case 1:
throw new CfxException("Unable to get native function cef_api_hash from libcef library");
case 2:
Runtime.cfx_api_hash_delegate api_hash = (Runtime.cfx_api_hash_delegate)LoadDelegate(loader, libcefPtr, "cef_api_hash", typeof(Runtime.cfx_api_hash_delegate));
var apiHash = System.Runtime.InteropServices.Marshal.PtrToStringAnsi(api_hash(0));
throw new CfxException("API hash mismatch: incompatible libcef.dll (" + apiHash + ")");
}
}
PlatformOS = (CfxPlatformOS)platform;
cfx_release = (cfx_release_delegate)Marshal.GetDelegateForFunctionPointer(release, typeof(cfx_release_delegate));
cfx_string_get_ptr = (cfx_string_get_ptr_delegate)Marshal.GetDelegateForFunctionPointer(string_get_pointer, typeof(cfx_string_get_ptr_delegate));
cfx_string_destroy = (cfx_string_destroy_delegate)Marshal.GetDelegateForFunctionPointer(string_destroy, typeof(cfx_string_destroy_delegate));
cfx_get_function_pointer = (cfx_get_function_pointer_delegate)Marshal.GetDelegateForFunctionPointer(get_function_pointer, typeof(cfx_get_function_pointer_delegate));
cef_string_userfree_utf16_free = (cef_string_userfree_utf16_free_delegate)LoadDelegate(loader, libcefPtr, "cef_string_userfree_utf16_free", typeof(cef_string_userfree_utf16_free_delegate));
CfxApiLoader.LoadCfxRuntimeApi();
librariesLoaded = true;
}