public unsafe EventWaitHandle(bool initialState, EventResetMode mode, string name, out bool createdNew, EventWaitHandleSecurity eventSecurity)
{
bool flag;
if ((name != null) && (260 < name.Length))
{
throw new ArgumentException(Environment.GetResourceString("Argument_WaitHandleNameTooLong", new object[] { name }));
}
Win32Native.SECURITY_ATTRIBUTES structure = null;
if (eventSecurity != null)
{
structure = new Win32Native.SECURITY_ATTRIBUTES {
nLength = Marshal.SizeOf(structure)
};
byte[] securityDescriptorBinaryForm = eventSecurity.GetSecurityDescriptorBinaryForm();
byte* pDest = stackalloc byte[1 * securityDescriptorBinaryForm.Length];
Buffer.memcpy(securityDescriptorBinaryForm, 0, pDest, 0, securityDescriptorBinaryForm.Length);
structure.pSecurityDescriptor = pDest;
}
SafeWaitHandle handle = null;
switch (mode)
{
case EventResetMode.AutoReset:
flag = false;
break;
case EventResetMode.ManualReset:
flag = true;
break;
default:
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidFlag", new object[] { name }));
}
handle = Win32Native.CreateEvent(structure, flag, initialState, name);
int errorCode = Marshal.GetLastWin32Error();
if (handle.IsInvalid)
{
handle.SetHandleAsInvalid();
if (((name != null) && (name.Length != 0)) && (6 == errorCode))
{
throw new WaitHandleCannotBeOpenedException(Environment.GetResourceString("Threading.WaitHandleCannotBeOpenedException_InvalidHandle", new object[] { name }));
}
__Error.WinIOError(errorCode, name);
}
createdNew = errorCode != 0xb7;
base.SetHandleInternal(handle);
}
public unsafe EventWaitHandle(bool initialState, EventResetMode mode, string name, out bool createdNew, EventWaitHandleSecurity eventSecurity)
{
if(null != name && System.IO.Path.MAX_PATH < name.Length)
{
throw new ArgumentException(Environment.GetResourceString("Argument_WaitHandleNameTooLong",name));
}
Contract.EndContractBlock();
Win32Native.SECURITY_ATTRIBUTES secAttrs = null;
#if FEATURE_MACL
// For ACL's, get the security descriptor from the EventWaitHandleSecurity.
if (eventSecurity != null) {
secAttrs = new Win32Native.SECURITY_ATTRIBUTES();
secAttrs.nLength = (int)Marshal.SizeOf(secAttrs);
byte[] sd = eventSecurity.GetSecurityDescriptorBinaryForm();
byte* pSecDescriptor = stackalloc byte[sd.Length];
Buffer.Memcpy(pSecDescriptor, 0, sd, 0, sd.Length);
secAttrs.pSecurityDescriptor = pSecDescriptor;
}
#endif
SafeWaitHandle _handle = null;
Boolean isManualReset;
switch(mode)
{
case EventResetMode.ManualReset:
isManualReset = true;
break;
case EventResetMode.AutoReset:
isManualReset = false;
break;
default:
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidFlag",name));
};
_handle = Win32Native.CreateEvent(secAttrs, isManualReset, initialState, name);
int errorCode = Marshal.GetLastWin32Error();
if (_handle.IsInvalid)
{
_handle.SetHandleAsInvalid();
if(null != name && 0 != name.Length && Win32Native.ERROR_INVALID_HANDLE == errorCode)
throw new WaitHandleCannotBeOpenedException(Environment.GetResourceString("Threading.WaitHandleCannotBeOpenedException_InvalidHandle",name));
__Error.WinIOError(errorCode, name);
}
createdNew = errorCode != Win32Native.ERROR_ALREADY_EXISTS;
SetHandleInternal(_handle);
}
