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MAILSLOT_CREATE_PARAMETERS structure (wdm.h)

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The MAILSLOT_CREATE_PARAMETERS is used by the Windows subsystem to create a mailslot.

Syntax

typedef struct _MAILSLOT_CREATE_PARAMETERS {
  ULONG         MailslotQuota;
  ULONG         MaximumMessageSize;
  LARGE_INTEGER ReadTimeout;
  BOOLEAN       TimeoutSpecified;
} MAILSLOT_CREATE_PARAMETERS, *PMAILSLOT_CREATE_PARAMETERS;

Members

MailslotQuota

Pool quota that is reserved for writes to this mailslot.

MaximumMessageSize

Size, in bytes, of the largest message that can be written to this mailslot.

ReadTimeout

The timeout period for the read operation, specified as a relative time.

TimeoutSpecified

Boolean value that specifies whether a timeout period was provided in the ReadTimeout member.

Remarks

For an IRP_MJ_CREATE_MAILSLOT operation, FLT_PARAMETERS is a CreateMailslot structure, and CreateMailslot.Parameters points to a MAILSLOT_CREATE_PARAMETERS structure that describes the mailslot to create or open.

Requirements

Requirement Value
Header wdm.h (include Ntifs.h)

See also

FLT_PARAMETERS

IRP_MJ_CREATE_MAILSLOT