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Enable probes to work with Mac OS X Leopard and other OSes that will

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support DTrace in the future.

Switch from using DTRACE_PROBEn macros to the dynamically generated macros.
Use "dtrace -h" to create a header file that contains the dynamically
generated macros to be used in the source code instead of the DTRACE_PROBEn
macros.  A dummy header file is generated for builds without DTrace support.

Author: Robert Lor <Robert.Lor@sun.com>
This commit is contained in:
Peter Eisentraut
2008-03-17 19:44:41 +00:00
parent e7115a224a
commit a7b7b07af3
9 changed files with 64 additions and 62 deletions

41
src/include/pg_trace.h

@ -5,50 +5,13 @@
*
* Copyright (c) 2006-2008, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/include/pg_trace.h,v 1.3 2008/01/02 02:42:06 momjian Exp $
* $PostgreSQL: pgsql/src/include/pg_trace.h,v 1.4 2008/03/17 19:44:41 petere Exp $
* ----------
*/
#ifndef PG_TRACE_H
#define PG_TRACE_H
#ifdef ENABLE_DTRACE
#include <sys/sdt.h>
/*
* The PG_TRACE macros are mapped to the appropriate macros used by DTrace.
*
* Only one DTrace provider called "postgresql" will be used for PostgreSQL,
* so the name is hard-coded here to avoid having to specify it in the
* source code.
*/
#define PG_TRACE(name) \
DTRACE_PROBE(postgresql, name)
#define PG_TRACE1(name, arg1) \
DTRACE_PROBE1(postgresql, name, arg1)
#define PG_TRACE2(name, arg1, arg2) \
DTRACE_PROBE2(postgresql, name, arg1, arg2)
#define PG_TRACE3(name, arg1, arg2, arg3) \
DTRACE_PROBE3(postgresql, name, arg1, arg2, arg3)
#define PG_TRACE4(name, arg1, arg2, arg3, arg4) \
DTRACE_PROBE4(postgresql, name, arg1, arg2, arg3, arg4)
#define PG_TRACE5(name, arg1, arg2, arg3, arg4, arg5) \
DTRACE_PROBE5(postgresql, name, arg1, arg2, arg3, arg4, arg5)
#else /* not ENABLE_DTRACE */
/*
* Unless DTrace is explicitly enabled with --enable-dtrace, the PG_TRACE
* macros will expand to no-ops.
*/
#define PG_TRACE(name)
#define PG_TRACE1(name, arg1)
#define PG_TRACE2(name, arg1, arg2)
#define PG_TRACE3(name, arg1, arg2, arg3)
#define PG_TRACE4(name, arg1, arg2, arg3, arg4)
#define PG_TRACE5(name, arg1, arg2, arg3, arg4, arg5)
#endif /* not ENABLE_DTRACE */
#include "utils/probes.h"
#endif /* PG_TRACE_H */