/// <summary>
/// Set the given mailslot's read timeout.
/// </summary>
/// <param name="readTimeout">Timeout for read operations in milliseconds. Set to uint.MaxValue for infinite timeout.</param>
public static void SetMailslotTimeout(SafeMailslotHandle mailslotHandle, uint readTimeout)
{
if (!Imports.SetMailslotInfo(mailslotHandle, readTimeout))
{
throw Error.GetExceptionForLastError();
}
}
/// <summary>
/// Get information for the given mailslot.
/// </summary>
public unsafe static MailslotInfo GetMailslotInfo(SafeMailslotHandle mailslotHandle)
{
MailslotInfo info = new MailslotInfo();
Error.ThrowLastErrorIfFalse(
Imports.GetMailslotInfo(
hMailslot: mailslotHandle,
lpMaxMessageSize: &info.MaxMessageSize,
lpNextSize: &info.NextSize,
lpMessageCount: &info.MessageCount,
lpReadTimeout: &info.ReadTimeout));
return(info);
}
/// <summary>
/// Create a mailslot.
/// </summary>
/// <param name="name">Name of the mailslot.</param>
/// <param name="maxMessageSize">Maximum size, in bytes, of messages that can be posted to the mailslot. 0 means any size.</param>
/// <param name="readTimeout">
/// Timeout, in milliseconds, that a read operation will wait for a message to be posted. 0 means do not wait, uint.MaxValue means
/// wait indefinitely.
/// </param>
public unsafe static SafeMailslotHandle CreateMailslot(string name, uint maxMessageSize = 0, uint readTimeout = 0)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentNullException(nameof(name));
}
SafeMailslotHandle handle = Imports.CreateMailslotW(name, maxMessageSize, readTimeout, null);
if (handle.IsInvalid)
{
Error.ThrowLastError(name);
}
return(handle);
}
/// <summary>
/// Get information for the given mailslot.
/// </summary>
public static MailslotInfo GetMailslotInfo(SafeMailslotHandle mailslotHandle)
{
MailslotInfo info = new MailslotInfo();
unsafe
{
if (!Imports.GetMailslotInfo(
hMailslot: mailslotHandle,
lpMaxMessageSize: &info.MaxMessageSize,
lpNextSize: &info.NextSize,
lpMessageCount: &info.MessageCount,
lpReadTimeout: &info.ReadTimeout))
{
throw Error.GetExceptionForLastError();
}
}
return(info);
}
/// <summary> /// Set the given mailslot's read timeout. /// </summary> /// <param name="readTimeout">Timeout for read operations in milliseconds. Set to uint.MaxValue for infinite timeout.</param> public static void SetMailslotTimeout(SafeMailslotHandle mailslotHandle, uint readTimeout) => Error.ThrowLastErrorIfFalse(Imports.SetMailslotInfo(mailslotHandle, readTimeout));