dbug: DBUG_EXECUTE_IF macro, build user manual automatically, document all features

charset2html moved from mysys to extra
ignore: new files added, garbage removed

.bzrignore

@@ -9,6 +9,7 @@
 *.lo
 *.o
 *.reject
+*.so
 *.spec
 */*_pure_*warnings
 */.pure
@@ -26,24 +27,18 @@
 .out
 .snprj/*
 .vimrc
-50
-=6
 BUILD/compile-pentium-maintainer
-BitKeeper/etc/config
 BitKeeper/etc/csets
 BitKeeper/etc/csets-in
 BitKeeper/etc/csets-out
-BitKeeper/etc/gone
 BitKeeper/etc/level
 BitKeeper/etc/pushed
 BitKeeper/post-commit
 BitKeeper/post-commit-manual
 BitKeeper/tmp/*
-BitKeeper/tmp/bkr3sAHD
 BitKeeper/tmp/gone
 COPYING
 COPYING.LIB
-Docs/#manual.texi#
 Docs/INSTALL-BINARY
 Docs/Images/myaccess-odbc.txt
 Docs/Images/myaccess.txt
@@ -67,7 +62,6 @@ Docs/internals_toc.html
 Docs/manual.aux
 Docs/manual.cp
 Docs/manual.cps
-Docs/manual.de.log
 Docs/manual.dvi
 Docs/manual.fn
 Docs/manual.fns
@@ -76,8 +70,6 @@ Docs/manual.ky
 Docs/manual.log
 Docs/manual.pdf
 Docs/manual.pg
-Docs/manual.texi.orig
-Docs/manual.texi.rej
 Docs/manual.toc
 Docs/manual.tp
 Docs/manual.txt
@@ -98,17 +90,11 @@ Logs/*
 MIRRORS
 Makefile
 Makefile.in
-Makefile.in'
 PENDING/*
 TAGS
 aclocal.m4
-autom4te-2.53.cache/output.0
+autom4te-2.53.cache/*
-autom4te-2.53.cache/requests
-autom4te-2.53.cache/traces.0
 autom4te.cache/*
-autom4te.cache/output.0
-autom4te.cache/requests
-autom4te.cache/traces.0
 bdb/README
 bdb/btree/btree_auto.c
 bdb/build_unix/*
@@ -153,13 +139,8 @@ bdb/db/crdel_auto.c
 bdb/db/db_auto.c
 bdb/dbinc_auto/*.*
 bdb/dbreg/dbreg_auto.c
-bdb/dist/autom4te-2.53.cache/output.0
+bdb/dist/autom4te-2.53.cache/*
-bdb/dist/autom4te-2.53.cache/requests
-bdb/dist/autom4te-2.53.cache/traces.0
 bdb/dist/autom4te.cache/*
-bdb/dist/autom4te.cache/output.0
-bdb/dist/autom4te.cache/requests
-bdb/dist/autom4te.cache/traces.0
 bdb/dist/config.hin
 bdb/dist/configure
 bdb/dist/tags
@@ -238,20 +219,13 @@ bdb/test/include.tcl
 bdb/test/logtrack.list
 bdb/txn/txn_auto.c
 binary/*
-bkpull.log
+bkpull.log*
-bkpull.log.2
+bkpush.log*
-bkpull.log.3
-bkpull.log.4
-bkpull.log.5
-bkpull.log.6
-bkpush.log
 build.log
 build_tags.sh
 client/insert_test
 client/log_event.cc
 client/log_event.h
-client/mf_iocache.c
-client/mf_iocache.cc
 client/mysql
 client/mysqladmin
 client/mysqlbinlog
@@ -262,11 +236,8 @@ client/mysqlmanager-pwgen
 client/mysqlmanagerc
 client/mysqlshow
 client/mysqltest
-client/mysys_priv.h
 client/select_test
 client/ssl_test
-client/thimble
-client/thread_test
 client_test
 cmd-line-utils/libedit/common.h
 cmd-line-utils/libedit/makelist
@@ -279,12 +250,20 @@ config.status
 configure
 configure.lineno
 core
-core.2430
+core.*
 db-*.*.*
+dbug/dbug_analyze
+dbug/example*.r
+dbug/factorial
+dbug/factorial.r
+dbug/main.r
+dbug/output*.r
+dbug/user.ps
 dbug/user.t
 depcomp
 emacs.h
 extra/comp_err
+extra/charset2html
 extra/my_print_defaults
 extra/mysql_install
 extra/mysql_tzinfo_to_sql
@@ -296,6 +275,7 @@ extra/resolveip
 extra/tztime.cc
 fcns.c
 fcns.h
+gdbinit
 gmon.out
 hardcopy.0
 heap/hp_test1
@@ -309,13 +289,8 @@ include/readline
 include/readline/*.h
 include/readline/readline.h
 include/widec.h
-innobase/autom4te-2.53.cache/output.0
+innobase/autom4te-2.53.cache/*
-innobase/autom4te-2.53.cache/requests
-innobase/autom4te-2.53.cache/traces.0
 innobase/autom4te.cache/*
-innobase/autom4te.cache/output.0
-innobase/autom4te.cache/requests
-innobase/autom4te.cache/traces.0
 innobase/configure.lineno
 innobase/conftest.s1
 innobase/conftest.subs
@@ -435,6 +410,7 @@ libmysqld/sql_db.cc
 libmysqld/sql_delete.cc
 libmysqld/sql_derived.cc
 libmysqld/sql_do.cc
+libmysqld/sql_error.cc
 libmysqld/sql_handler.cc
 libmysqld/sql_help.cc
 libmysqld/sql_insert.cc
@@ -445,6 +421,7 @@ libmysqld/sql_manager.cc
 libmysqld/sql_map.cc
 libmysqld/sql_olap.cc
 libmysqld/sql_parse.cc
+libmysqld/sql_prepare.cc
 libmysqld/sql_rename.cc
 libmysqld/sql_repl.cc
 libmysqld/sql_select.cc
@@ -479,15 +456,6 @@ linked_server_sources
 linked_tools_sources
 locked
 man/*.1
-mit-pthreads/config.flags
-mit-pthreads/include/bits
-mit-pthreads/include/pthread/machdep.h
-mit-pthreads/include/pthread/posix.h
-mit-pthreads/include/sys
-mit-pthreads/machdep.c
-mit-pthreads/pg++
-mit-pthreads/pgcc
-mit-pthreads/syscall.S
 myisam/FT1.MYD
 myisam/FT1.MYI
 myisam/ft_dump
@@ -513,9 +481,6 @@ myisam/test1.MYD
 myisam/test1.MYI
 myisam/test2.MYD
 myisam/test2.MYI
-mysql-4.0.2-alpha-pc-linux-gnu-i686.tar.gz
-mysql-4.0.2-alpha.tar.gz
-mysql-max-4.0.2-alpha-pc-linux-gnu-i686.tar.gz
 mysql-test/gmon.out
 mysql-test/install_test_db
 mysql-test/mysql-test-run
@@ -539,12 +504,6 @@ mysql.proj
 mysql_priv.h
 mysqld.S
 mysqld.sym
-mysys/#mf_iocache.c#
-mysys/charset2html
-mysys/getopt.c
-mysys/getopt1.c
-mysys/main.cc
-mysys/ste5KbMa
 mysys/test_charset
 mysys/test_dir
 mysys/test_gethwaddr
@@ -667,14 +626,6 @@ ndb/examples/ndbapi_example2/ndbapi_example2
 ndb/examples/ndbapi_example3/ndbapi_example3
 ndb/examples/ndbapi_example5/ndbapi_example5
 ndb/examples/select_all/select_all
-ndb/lib/libMGM_API.so
-ndb/lib/libNDB_API.so
-ndb/lib/libNDB_ODBC.so
-ndb/lib/libNEWTON_API.so
-ndb/lib/libNEWTON_BASICTEST_COMMON.so
-ndb/lib/libREP_API.so
-ndb/lib/libndbclient.so
-ndb/lib/libndbclient_extra.so
 ndb/src/common/mgmcommon/printConfig/*.d
 ndb/src/cw/cpcd/ndb_cpcd
 ndb/src/kernel/blocks/backup/restore/ndb_restore
@@ -806,7 +757,6 @@ sql-bench/test-insert
 sql-bench/test-select
 sql-bench/test-transactions
 sql-bench/test-wisconsin
-sql/.gdbinit
 sql/client.c
 sql/gen_lex_hash
 sql/gmon.out
@@ -821,24 +771,12 @@ sql/mysqld
 sql/mysqld-purecov
 sql/mysqld-purify
 sql/mysqld-quantify
-sql/new.cc
 sql/pack.c
-sql/safe_to_cache_query.txt
 sql/share/*.sys
-sql/share/charsets/gmon.out
-sql/share/gmon.out
-sql/share/mysql
-sql/share/norwegian-ny/errmsg.sys
-sql/share/norwegian/errmsg.sys
-sql/sql_select.cc.orig
 sql/sql_yacc.cc
 sql/sql_yacc.h
 sql/sql_yacc.output
-sql/sql_yacc.yy.orig
 sql/test_time
-sql/udf_example.so
-sql_error.cc
-sql_prepare.cc
 stamp-h
 stamp-h.in
 stamp-h1
@@ -930,10 +868,8 @@ tests/client_test
 tests/connect_test
 thread_test
 tmp/*
-tools/my_vsnprintf.c
 tools/mysqlmanager
 tools/mysqlmngd
-tools/mysys_priv.h
 vi.h
 vio/test-ssl
 vio/test-sslclient

configure.in

@@ -2861,12 +2861,10 @@ then
   AC_DEFINE([THREAD], [1],
             [Define if you want to have threaded code. This may be undef on client code])
   # Avoid _PROGRAMS names
-  THREAD_LPROGRAMS="test_thr_alarm\$(EXEEXT) test_thr_lock\$(EXEEXT)"
-  AC_SUBST(THREAD_LPROGRAMS)
   THREAD_LOBJECTS="thr_alarm.o thr_lock.o thr_mutex.o thr_rwlock.o my_pthread.o my_thr_init.o"
   AC_SUBST(THREAD_LOBJECTS)
   server_scripts="mysqld_safe mysql_install_db"
-  sql_server_dirs="strings dbug mysys extra regex"
+  sql_server_dirs="strings mysys dbug extra regex"
 
 
   #

dbug/Makefile.am

@@ -15,43 +15,52 @@
 # Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 # MA 02111-1307, USA
 
-INCLUDES =		@MT_INCLUDES@ -I$(top_srcdir)/include
+INCLUDES =              @MT_INCLUDES@ -I$(top_srcdir)/include
-LDADD =			libdbug.a ../strings/libmystrings.a
+LDADD =                 libdbug.a ../mysys/libmysys.a ../strings/libmystrings.a
-pkglib_LIBRARIES =	libdbug.a
+pkglib_LIBRARIES =      libdbug.a
-noinst_HEADERS =	dbug_long.h
+noinst_HEADERS =        dbug_long.h
-libdbug_a_SOURCES =	dbug.c sanity.c
+libdbug_a_SOURCES =     dbug.c sanity.c
-EXTRA_DIST =		example1.c example2.c example3.c \
+EXTRA_DIST =            example1.c example2.c example3.c \
-			user.r monty.doc readme.prof \
+                        user.r monty.doc readme.prof dbug_add_tags.pl \
-			main.c factorial.c dbug_analyze.c
+                        main.c factorial.c dbug_analyze.c
+NROFF_INC =             example1.r example2.r example3.r main.r \
+                        factorial.r output1.r output2.r output3.r \
+                        output4.r output5.r
+
 
 # Must be linked with libs that are not compiled yet
-extra_progs: factorial dbug_analyze
+noinst_PROGRAMS =       factorial dbug_analyze
+factorial_SOURCES =     main.c factorial.c
+dbug_analyze_SOURCES =  dbug_analyze.c
 
-factorial: main.o factorial.o
+all:            user.t user.ps
-	@rm -f factorial
-	$(LINK) main.o factorial.o -lmysys
 
-dbug_analyze: dbug_analyze.o
+user.t:         user.r $(NROFF_INC)
-	@rm -f dbug_analyze
+		nroff -mm user.r > $@
-	$(LINK) dbug_analyze.o -lmysys
 
-user.t:		user.r $(NROFF_INC)
+user.ps:	user.r $(NROFF_INC)
-		nroff -cm user.r > $@
+		groff -mm user.r > $@
 
-output1.r:	$(PROGRAM)
+output1.r:      factorial
-		factorial 1 2 3 4 5 | cat > $@
+		./factorial 1 2 3 4 5 | cat > $@
 
-output2.r:	$(PROGRAM)
+output2.r:      factorial
-		factorial -\#t:o 2 3 | cat >$@
+		./factorial -\#t:o 2 3 | cat >$@
 
-output3.r:	$(PROGRAM)
+output3.r:      factorial
-		factorial -\#d:t:o 3 | cat >$@
+		./factorial -\#d:t:o 3 | cat >$@
 
-output4.r:	$(PROGRAM)
+output4.r:      factorial
-		factorial -\#d,result:o 4 | cat >$@
+		./factorial -\#d,result:o 4 | cat >$@
 
-output5.r:	$(PROGRAM)
+output5.r:      factorial
-		factorial -\#d:f,factorial:F:L:o 3 | cat >$@
+		./factorial -\#d:f,factorial:F:L:o 3 | cat >$@
+.c.r:
+		@RM@ -f $@
+		@SED@ -e 's!\\!\\\\!g' $< > $@
+
+clean:
+		@RM@ -f $(NROFF_INC) user.t user.ps
 
 # Don't update the files from bitkeeper
 %::SCCS/s.%

dbug/dbug.c

@@ -21,8 +21,7 @@
  *	all copies and derivative works.  Thank you.			      *
  *									      *
  *	The author makes no warranty of any kind  with	respect  to  this     *
- *	product  and  explicitly disclaims any implied warranties of mer-     *ct_lex.table_list.first=0;
+ *      product  and  explicitly disclaims any implied warranties of mer-     *
-  thd->lex.selec
  *	chantability or fitness for any particular purpose.		      *
  *									      *
  ******************************************************************************
@@ -60,8 +59,8 @@
  *
  *	Michael Widenius:
  *	DBUG_DUMP	- To dump a block of memory.
- *	PUSH_FLAG "O"	- To be used insted of "o" if we don't
+ *      PUSH_FLAG "O"   - To be used insted of "o" if we
- *			  want flushing (for slow systems)
+ *                        want flushing after each write
  *	PUSH_FLAG "A"	- as 'O', but we will append to the out file instead
  *			  of creating a new one.
  *	Check of malloc on entry/exit (option "S")
@@ -930,7 +929,7 @@ void _db_doprnt_ (const char *format,...)
 /*
  *  FUNCTION
  *
- *	      _db_dump_    dump a string until '\0' is found
+ *            _db_dump_    dump a string in hex
  *
  *  SYNOPSIS
  *
@@ -1204,6 +1203,33 @@ static BOOLEAN DoProfile ()
 }
 #endif
 
+/*
+ *  FUNCTION
+ *
+ *      _db_strict_keyword_     test keyword for member of keyword list
+ *
+ *  SYNOPSIS
+ *
+ *      BOOLEAN _db_strict_keyword_ (keyword)
+ *      char *keyword;
+ *
+ *  DESCRIPTION
+ *
+ *      Similar to _db_keyword_, but keyword is NOT accepted if keyword list
+ *      is empty. Used in DBUG_EXECUTE_IF() - for actions that must not be
+ *      executed by default.
+ *
+ *      Returns TRUE if keyword accepted, FALSE otherwise.
+ *
+ */
+
+BOOLEAN _db_strict_keyword_ (
+const char *keyword)
+{
+  if (stack -> keywords == NULL)
+    return FALSE;
+  return _db_keyword_ (keyword);
+}
 
 /*
  *  FUNCTION

dbug/dbug_analyze.c

@@ -572,6 +572,11 @@ int main (int argc, char **argv)
     FILE *infile;
     FILE *outfile = {stdout};
 
+#if defined(HAVE_PTHREAD_INIT) && defined(THREAD)
+  pthread_init();                       /* Must be called before DBUG_ENTER */
+#endif
+  my_thread_global_init();
+  {
     DBUG_ENTER ("main");
     DBUG_PROCESS (argv[0]);
     my_name = argv[0];
@@ -601,6 +606,7 @@ int main (int argc, char **argv)
     output (outfile);
     DBUG_RETURN (EX_OK);
 }
+}
 
 #ifdef MSDOS
 

dbug/dbug_long.h

@@ -1,3 +1,4 @@
+#error This file is not used in MySQL - see ../include/my_dbug.h instead
 /******************************************************************************
  *									      *
  *				   N O T I C E				      *

dbug/main.c

@@ -13,6 +13,7 @@ char *argv[];
 #if defined(HAVE_PTHREAD_INIT) && defined(THREAD)
   pthread_init();			/* Must be called before DBUG_ENTER */
 #endif
+  my_thread_global_init();
   {
     DBUG_ENTER ("main");
     DBUG_PROCESS (argv[0]);

dbug/user.r

@@ -1,8 +1,13 @@
 .\"           @(#)user.r      1.13 10/29/86
 .\"
+.\" 2004-10-29: documented features implemented since 10/29/86
+.\"             formatting cleanup
+.\"                                               - Sergei Golubchik
+.\"
 .\"           DBUG (Macro Debugger Package) nroff source
 .\"
 .\"           nroff -mm user.r >user.t
+.\"           groff -mm user.r >user.ps
 .\"
 .\" ===================================================
 .\"
@@ -196,7 +201,9 @@ Figure 1 is an example of this type of primitive debugging
 technique.
 .DS I N
 .SP 2
+\fC
 .so example1.r
+\fR
 .SP 2
 .ll -5
 .ce
@@ -222,7 +229,9 @@ C preprocessor.
 Figure 2 is an example of all three techniques.
 .DS I N
 .SP 2
+\fC
 .so example2.r
+\fR
 .SP 2
 .ll -5
 .ce
@@ -255,7 +264,9 @@ like an arbitrary and unreasonable restriction.
 Figure 3 is an example of this usage.
 .DS I N
 .SP 2
+\fC
 .so example3.r
+\fR
 .SP 2
 .ll -5
 .ce
@@ -281,7 +292,9 @@ program is implemented recursively.
 Figure 4 is the main function for this factorial program.
 .DS I N
 .SP 2
+\fC
 .so main.r
+\fR
 .SP 2
 .ll -5
 .ce
@@ -346,7 +359,7 @@ All of these macros will be fully explained in subsequent sections.
 To use the debugger, the factorial program is invoked with a command
 line of the form:
 .DS CB N
-factorial -#d:t 1 2 3
+\fCfactorial -#d:t 1 2 3
 .DE
 The 
 .B main
@@ -373,6 +386,7 @@ by an optional comma separated list of arguments specific
 to the given flag.
 Some examples are:
 .DS CB N
+\fC
 -#d:t:o
 -#d,in,out:f,main:F:L
 .DE
@@ -391,7 +405,9 @@ Note that this is not necessarily the best way to do factorials
 and error conditions are ignored completely.
 .DS I N
 .SP 2
+\fC
 .so factorial.r
+\fR
 .SP 2
 .ll -5
 .ce
@@ -421,7 +437,7 @@ To build the factorial program on a
 system, compile and
 link with the command:
 .DS CB N
-cc -o factorial main.c factorial.c -ldbug
+\fCcc -o factorial main.c factorial.c -ldbug
 .DE
 The "-ldbug" argument tells the loader to link in the
 runtime support modules for the
@@ -429,18 +445,20 @@ runtime support modules for the
 package.
 Executing the factorial program with a command of the form:
 .DS CB N
-factorial 1 2 3 4 5
+\fCfactorial 1 2 3 4 5
 .DE
 generates the output shown in figure 6.
 .DS I N
 .SP 2
+\fC
 .so output1.r
+\fR
 .SP 2
 .ll -5
 .ce
 Figure 6
 .ce
-factorial 1 2 3 4 5
+\fCfactorial 1 2 3 4 5
 .ll +5
 .SP 2
 .DE
@@ -449,16 +467,18 @@ factorial 1 2 3 4 5
 Function level tracing is enabled by passing the debugger
 the 't' flag in the debug control string.
 Figure 7 is the output resulting from the command
-"factorial\ -#t:o\ 3\ 2".
+"factorial\ -#t:o\ 2\ 3".
 .DS I N
 .SP 2
+\fC
 .so output2.r
+\fR
 .SP 2
 .ll -5
 .ce
 Figure 7
 .ce
-factorial -#t:o 3 2
+\fCfactorial -#t:o 2 3
 .ll +5
 .SP 2
 .DE
@@ -510,7 +530,7 @@ output instead, via the 'o' flag character.
 Note that no 'o' implies the default (standard error), a 'o' 
 with no arguments means standard output, and a 'o' 
 with an argument means used the named file.
-I.E, "factorial\ -#t:o,logfile\ 3\ 2" would write the trace
+i.e, "factorial\ -#t:o,logfile\ 3\ 2" would write the trace
 output in "logfile".
 Because of 
 .B UNIX
@@ -566,13 +586,15 @@ to a single macro with a huge format string.
 Figure 8 shows the output for default tracing and debug.
 .DS I N
 .SP 2
+\fC
 .so output3.r
+\fR
 .SP 2
 .ll -5
 .ce
 Figure 8
 .ce
-factorial -#d:t:o 3
+\fCfactorial -#d:t:o 3
 .ll +5
 .SP 2
 .DE
@@ -591,13 +613,15 @@ To demonstrate selection of specific macros for output, figure
 the debug control string "-#d,result:o".
 .DS I N
 .SP 2
+\fC
 .so output4.r
+\fR
 .SP 2
 .ll -5
 .ce
 Figure 9
 .ce
-factorial -#d,result:o 4
+\fCfactorial -#d,result:o 4
 .ll +5
 .SP 2
 .DE
@@ -613,13 +637,15 @@ The 'F' flag enables printing of the source file name and the 'L'
 flag enables printing of the source file line number.
 .DS I N
 .SP 2
+\fC
 .so output5.r
+\fR
 .SP 2
 .ll -5
 .ce
 Figure 10
 .ce
-factorial -#d:f,factorial:F:L:o 3
+\fCfactorial -#d:f,factorial:F:L:o 3
 .ll +5
 .SP 2
 .DE
@@ -671,7 +697,7 @@ will cause warning messages from the
 .I dbug
 package runtime support module.
 .SP 1
-EX:\ DBUG_ENTER\ ("main");
+EX:\ \fCDBUG_ENTER\ ("main");\fR
 .SP 1
 .LI DBUG_RETURN\ 
 Used at each exit point of a function containing a 
@@ -693,16 +719,16 @@ DBUG_ENTER
 macro, and the compiler will complain
 if the macros are actually used (expanded).
 .SP 1
-EX:\ DBUG_RETURN\ (value);
+EX:\ \fCDBUG_RETURN\ (value);\fR
 .br
-EX:\ DBUG_VOID_RETURN;
+EX:\ \fCDBUG_VOID_RETURN;\fR
 .SP 1
 .LI DBUG_PROCESS\ 
 Used to name the current process being executed.
 A typical argument for this macro is "argv[0]", though
 it will be perfectly happy with any other string.
 .SP 1
-EX:\ DBUG_PROCESS\ (argv[0]);
+EX:\ \fCDBUG_PROCESS\ (argv[0]);\fR
 .SP 1
 .LI DBUG_PUSH\ 
 Sets a new debugger state by pushing the current
@@ -720,11 +746,11 @@ The proper usage is to pass a pointer to the first character
 .B after
 the "-#" string.
 .SP 1
-EX:\ DBUG_PUSH\ (\&(argv[i][2]));
+EX:\ \fCDBUG_PUSH\ (\&(argv[i][2]));\fR
 .br
-EX:\ DBUG_PUSH\ ("d:t");
+EX:\ \fCDBUG_PUSH\ ("d:t");\fR
 .br
-EX:\ DBUG_PUSH\ ("");
+EX:\ \fCDBUG_PUSH\ ("");\fR
 .SP 1
 .LI DBUG_POP\ 
 Restores the previous debugger state by popping the state stack.
@@ -734,7 +760,7 @@ The
 DBUG_POP 
 macro has no arguments.
 .SP 1
-EX:\ DBUG_POP\ ();
+EX:\ \fCDBUG_POP\ ();\fR
 .SP 1
 .LI DBUG_FILE\ 
 The 
@@ -744,7 +770,7 @@ stream.
 It is used in the same manner as the symbols "stdout" and "stderr"
 in the standard I/O package.
 .SP 1
-EX:\ fprintf\ (DBUG_FILE,\ "Doing my own I/O!\n");
+EX:\ \fCfprintf\ (DBUG_FILE,\ "Doing\ my\ own\ I/O!\\n");\fR
 .SP 1
 .LI DBUG_EXECUTE\ 
 The DBUG_EXECUTE macro is used to execute any arbitrary C code.
@@ -754,9 +780,19 @@ This macro must be used cautiously because, like the
 DBUG_PRINT 
 macro,
 it is automatically selected by default whenever the 'd' flag has
-no argument list (I.E., a "-#d:t" control string).
+no argument list (i.e., a "-#d:t" control string).
 .SP 1
-EX:\ DBUG_EXECUTE\ ("abort",\ abort\ ());
+EX:\ \fCDBUG_EXECUTE\ ("status",\ print_status\ ());\fR
+.SP 1
+.LI DBUG_EXECUTE_IF\ 
+Works like DBUG_EXECUTE macro, but the code is
+.B not
+executed "by default", if the keyword is not explicitly listed in
+the 'd' flag. Used to conditionally execute "dangerous" actions, e.g
+to crash the program testing how recovery works, or to introduce an
+artificial delay checking for race conditions.
+.SP 1
+EX:\ \fCDBUG_EXECUTE_IF\ ("crashme",\ abort\ ());\fR
 .SP 1
 .LI DBUG_N\ 
 These macros, where N is in the range 2-5, are currently obsolete
@@ -773,11 +809,20 @@ and
 .B must
 be enclosed in parenthesis.
 .SP 1
-EX:\ DBUG_PRINT\ ("eof",\ ("end\ of\ file\ found"));
+EX:\ \fCDBUG_PRINT\ ("eof",\ ("end\ of\ file\ found"));\fR
 .br
-EX:\ DBUG_PRINT\ ("type",\ ("type\ is\ %x", type));
+EX:\ \fCDBUG_PRINT\ ("type",\ ("type\ is\ %x", type));\fR
 .br
-EX:\ DBUG_PRINT\ ("stp",\ ("%x\ ->\ %s", stp, stp\ ->\ name));
+EX:\ \fCDBUG_PRINT\ ("stp",\ ("%x\ ->\ %s", stp, stp\ ->\ name));\fR
+.SP 1
+.LI DBUG_DUMP\ 
+Used to dump a memory block in hex via the "fprintf" library function on the
+current debug stream, DBUG_FILE.
+The first argument is a debug keyword, the second is a pointer to
+a memory to dump, the third is a number of bytes to dump.
+.SP 1
+EX: \fCDBUG_DBUG\ ("net",\ packet,\ len);\fR
+.SP 1
 .LI DBUG_SETJMP\ 
 Used in place of the setjmp() function to first save the current
 debugger state and then execute the standard setjmp call.
@@ -786,7 +831,8 @@ DBUG_LONGJMP macro is used to invoke the standard longjmp() call.
 Currently all instances of DBUG_SETJMP must occur within the
 same function and at the same function nesting level.
 .SP 1
-EX:\ DBUG_SETJMP\ (env);
+EX: \fCDBUG_SETJMP\ (env);\fR
+.SP 1
 .LI DBUG_LONGJMP\ 
 Used in place of the longjmp() function to first restore the
 previous debugger state at the time of the last DBUG_SETJMP
@@ -797,7 +843,38 @@ It would be possible to maintain separate DBUG_SETJMP and DBUG_LONGJMP
 pairs by having the debugger runtime support module use the first
 argument to differentiate the pairs.
 .SP 1
-EX:\ DBUG_LONGJMP\ (env,val);
+EX: \fCDBUG_LONGJMP\ (env,val);\fR
+.SP 1
+.LI DBUG_LOCK_FILE\ 
+Used in multi-threaded environment to lock DBUG_FILE stream.
+It can be used, for example, in functions that need to write something to a
+debug stream more than in one fprintf() call and want to ensure that no other
+thread will write something in between.
+.SP 1
+EX:\fC
+.br
+  DBUG_LOCK_FILE;
+.br
+  fprintf (DBUG_FILE, "a=[");
+.br
+  for (int i=0; i < a_length; i++)
+.br
+    fprintf (DBUG_FILE, "0x%03x ", a[i]);
+.br
+  fprintf (DBUG_FILE, "]");
+.br
+  DBUG_UNLOCK_FILE;\fR
+.SP 1
+.LI DBUG_UNLOCK_FILE\ 
+Unlocks DBUG_FILE stream, that was locked with a DBUG_LOCK_FILE.
+.LI DBUG_ASSERT\ 
+This macro just does a regular assert(). The difference is that it will be
+disabled by DBUG_OFF togeher with the
+.I dbug
+library. So there will be no need to disable asserts separately with NDEBUG.
+.SP 1
+EX:\ \fCDBUG_ASSERT(\ a\ >\ 0);\fR
+.SP 1
 .LE
 
 .SK
@@ -815,6 +892,16 @@ and the flag characters which enable or disable them.
 Argument lists enclosed in '[' and ']' are optional.
 .SP 2
 .BL 22
+.LI a[,file]
+Redirect the debugger output stream and append it to the specified file.
+The default output stream is stderr.
+A null argument list causes output to be redirected to stdout.
+Double the colon, if you want it in the path
+.SP 1
+EX: \fCa,C::\\tmp\\log\fR
+.LI A[,file]
+Like 'a[,file]' but close and reopen file after each write. It helps to get
+a complete log file in case of crashes.
 .LI d[,keywords]
 Enable output from macros with specified keywords.
 A null list of keywords implies that all keywords are selected.
@@ -828,6 +915,14 @@ A null list of functions implies that all functions are selected.
 .LI F
 Mark each debugger output line with the name of the source file
 containing the macro causing the output.
+.LI i
+Mark each debugger output line with the PID of the current process.
+.LI g,[functions]
+Enable profiling for the specified list of functions.
+By default profiling is enabled for all functions.
+See
+.B PROFILING\ WITH\ DBUG
+below.
 .LI L
 Mark each debugger output line with the source file line number of
 the macro causing the output.
@@ -838,9 +933,9 @@ Sequentially number each debugger output line starting at 1.
 This is useful for reference purposes when debugger output is
 interspersed with program output.
 .LI o[,file]
-Redirect the debugger output stream to the specified file.
+Like 'a[,file]' but overwrite old file, do not append.
-The default output stream is stderr.
+.LI O[,file]
-A null argument list causes output to be redirected to stdout.
+Like 'A[,file]' but overwrite old file, do not append.
 .LI p[,processes]
 Limit debugger actions to the specified processes.
 A null list implies all processes.
@@ -865,11 +960,89 @@ Most useful with
 .B DBUG_PUSH 
 macros used to temporarily alter the
 debugger state.
+.LI S
+When compiled with
+.I safemalloc
+this flag forces "sanity" memory checks (for overwrites/underwrites)
+on each
+.B DBUG_ENTER
+and
+.B DBUG_RETURN.
 .LI t[,N]
 Enable function control flow tracing.
 The maximum nesting depth is specified by N, and defaults to
 200.
 .LE
+.SK
+.B
+PROFILING WITH DBUG
+.R
+
+.P
+With
+.I dbug
+one can do profiling in a machine independent fashion,
+without a need for profiled version of system libraries.
+For this,
+.I dbug
+can write out a file
+called
+.B dbugmon.out
+(by default).  This is an ascii file containing lines of the form:
+.DS CB N
+\fC<function-name> E <time-entered>
+<function-name> X <time-exited>
+.DE
+
+.P
+A second program (\fBanalyze\fR) reads this file, and produces a report on
+standard output.
+
+.P
+Profiling is enabled through the 
+.B g
+flag.  It can take a list of
+function names for which profiling is enabled.  By default, it
+profiles all functions.
+
+.P
+The profile file is opened for appending.  This
+is in order that one can run a program several times, and get the
+sum total of all the times, etc.
+
+.P
+An example of the report generated follows:
+.DS CB N
+\fC
+            Profile of Execution
+            Execution times are in milliseconds
+
+                Calls                        Time
+                -----                        ----
+            Times   Percentage   Time Spent    Percentage
+Function    Called  of total     in Function   of total    Importance
+========    ======  ==========   ===========   ==========  ==========
+factorial        5       83.33            30       100.00        8333
+main             1       16.67             0         0.00           0
+========    ======  ==========   ===========   ==========
+Totals           6      100.00            30       100.00
+.DE
+.P
+As you can see, it's quite self-evident.  The 
+.B Importance
+column is a
+metric obtained by multiplying the percentage of the calls and the percentage
+of the time.  Functions with higher 'importance' benefit the most from
+being sped up.
+
+.P
+As a limitation - setjmp/longjmp, or child processes, are ignored
+for the time being. Also, profiling does not work
+in a multi-threaded environment.
+
+.P
+Profiling code is (c) Binayak Banerjee.
+
 .SK
 .B
 HINTS AND MISCELLANEOUS
@@ -934,4 +1107,4 @@ The most common problem is multiply allocated memory.
 .\" .DE nroff dident like this. davida 900108
 .CS
 
-
+.\" vim:filetype=nroff

extra/Makefile.am

@@ -20,6 +20,7 @@ LDADD =			@CLIENT_EXTRA_LDFLAGS@ ../mysys/libmysys.a \
 			../dbug/libdbug.a ../strings/libmystrings.a
 bin_PROGRAMS =		replace comp_err perror resolveip my_print_defaults \
 			resolve_stack_dump mysql_waitpid
+noinst_PROGRAMS =	charset2html
 
 # Don't update the files from bitkeeper
 %::SCCS/s.%

include/my_dbug.h

@@ -25,6 +25,7 @@ extern	int _db_on_,_no_db_;
 extern	FILE *_db_fp_;
 extern	char *_db_process_;
 extern	int _db_keyword_(const char *keyword);
+extern  int _db_strict_keyword_(const char *keyword);
 extern	void _db_setjmp_(void);
 extern	void _db_longjmp_(void);
 extern	void _db_push_(const char *control);
@@ -67,12 +68,15 @@ extern	void _db_unlock_file();
 #define DBUG_LOCK_FILE { _db_lock_file(); }
 #define DBUG_UNLOCK_FILE { _db_unlock_file(); }
 #define DBUG_ASSERT(A) assert(A)
+#define DBUG_EXECUTE_IF(keyword,a1) \
+        {if (_db_on_) {if (_db_strict_keyword_ (keyword)) { a1 }}}
 #else						/* No debugger */
 
 #define DBUG_ENTER(a1)
 #define DBUG_RETURN(a1) return(a1)
 #define DBUG_VOID_RETURN return
 #define DBUG_EXECUTE(keyword,a1) {}
+#define DBUG_EXECUTE_IF(keyword,a1) {}
 #define DBUG_PRINT(keyword,arglist) {}
 #define DBUG_PUSH(a1) {}
 #define DBUG_POP() {}

mysys/Makefile.am

@@ -57,7 +57,6 @@ libmysys_a_SOURCES =	my_init.c my_getwd.c mf_getdate.c \
 EXTRA_DIST =		thr_alarm.c thr_lock.c my_pthread.c my_thr_init.c \
 			thr_mutex.c thr_rwlock.c
 libmysys_a_LIBADD =	@THREAD_LOBJECTS@
-noinst_PROGRAMS =	charset2html @THREAD_LPROGRAMS@
 # test_dir_DEPENDENCIES=	$(LIBRARIES)
 # testhash_DEPENDENCIES=	$(LIBRARIES)
 # test_charset_DEPENDENCIES=	$(LIBRARIES)
@@ -105,9 +104,6 @@ test_dir$(EXEEXT): test_dir.c $(LIBRARIES)
 test_charset$(EXEEXT): test_charset.c $(LIBRARIES)
 	$(LINK) $(FLAGS) -DMAIN $(srcdir)/test_charset.c $(LDADD) $(LIBS)
 
-charset2html$(EXEEXT): charset2html.c $(LIBRARIES)
-	$(LINK) $(FLAGS) -DMAIN $(srcdir)/charset2html.c $(LDADD) $(LIBS)
-
 testhash$(EXEEXT): testhash.c $(LIBRARIES)
 	$(LINK) $(FLAGS) -DMAIN $(srcdir)/testhash.c $(LDADD) $(LIBS)