82 lines
1.9 KiB
C
82 lines
1.9 KiB
C
/*++ BUILD Version: 0001 // Increment this if a change has global effects
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Copyright (c) 1990 Microsoft Corporation
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Module Name:
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memprint.h
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Abstract:
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Include file for in-memory DbgPrint function. Including this file
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will change DbgPrints to a routine which puts the display text in a
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circular buffer in memory. By default, the text is then sent to the
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console via DbgPrint. By changing the value of the MemPrintFlags
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flag, however, the text may be routed to a file instead, thereby
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significantly speeding up the DbgPrint operation.
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Author:
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David Treadwell (davidtr) 05-Oct-1990
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Revision History:
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*/
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#ifndef _MEMPRINT_
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#define _MEMPRINT_
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#define MEM_PRINT_FLAG_CONSOLE 0x01
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#define MEM_PRINT_FLAG_FILE 0x02
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#define MEM_PRINT_FLAG_HEADER 0x04
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extern ULONG MemPrintFlags;
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#ifdef MIPS
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#define MEM_PRINT_DEF_BUFFER_SIZE 16384
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#else
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#define MEM_PRINT_DEF_BUFFER_SIZE 65536
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#endif
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// The subbuffer count is the number of subbuffers within the circular
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// buffer. A subbuffer is the method used to buffer data between
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// MemPrint and writing to disk--when a subbuffer is filled, its
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// contents are written to the log file. This value should be a power
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// of two between two and sixty-four (two is necessary to allow writing
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// to disk and RAM simultaneously, sixty-four is the maximum number of
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// things a thread can wait on at once).
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#define MEM_PRINT_DEF_SUBBUFFER_COUNT 16
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#define MEM_PRINT_MAX_SUBBUFFER_COUNT 64
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#define MEM_PRINT_LOG_FILE_NAME "\\SystemRoot\\Logfile"
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// Exported routines. MemPrintInitialize sets up the circular buffer
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// and other memory, MemPrint writes text to the console and/or a
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// log file, and MemPrintFlush writes the current subbuffer to disk
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// whether or not it is full.
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VOID
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MemPrintInitialize (
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VOID
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);
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VOID
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MemPrint (
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CHAR *Format, ...
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);
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VOID
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MemPrintFlush (
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VOID
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);
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#define DbgPrint MemPrint
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#endif // def _MEMPRINT_
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