diff options
-rw-r--r-- | .bzrignore | 100 | ||||
-rw-r--r-- | configure.in | 4 | ||||
-rw-r--r-- | dbug/Makefile.am | 63 | ||||
-rw-r--r-- | dbug/dbug.c | 36 | ||||
-rw-r--r-- | dbug/dbug_analyze.c | 6 | ||||
-rw-r--r-- | dbug/dbug_long.h | 1 | ||||
-rw-r--r-- | dbug/main.c | 1 | ||||
-rw-r--r-- | dbug/user.r | 233 | ||||
-rw-r--r-- | extra/Makefile.am | 1 | ||||
-rw-r--r-- | extra/charset2html.c (renamed from mysys/charset2html.c) | 0 | ||||
-rw-r--r-- | include/my_dbug.h | 4 | ||||
-rw-r--r-- | mysys/Makefile.am | 4 |
12 files changed, 302 insertions, 151 deletions
diff --git a/.bzrignore b/.bzrignore index c83b4ed4388..ac17052c71f 100644 --- a/.bzrignore +++ b/.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/requests -autom4te-2.53.cache/traces.0 +autom4te-2.53.cache/* 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/requests -bdb/dist/autom4te-2.53.cache/traces.0 +bdb/dist/autom4te-2.53.cache/* 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.2 -bkpull.log.3 -bkpull.log.4 -bkpull.log.5 -bkpull.log.6 -bkpush.log +bkpull.log* +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/requests -innobase/autom4te-2.53.cache/traces.0 +innobase/autom4te-2.53.cache/* 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 diff --git a/configure.in b/configure.in index 754494f7d70..0518ea7c76d 100644 --- a/configure.in +++ b/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" # diff --git a/dbug/Makefile.am b/dbug/Makefile.am index bd512ee1d1d..b54e0011a77 100644 --- a/dbug/Makefile.am +++ b/dbug/Makefile.am @@ -15,43 +15,52 @@ # Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, # MA 02111-1307, USA -INCLUDES = @MT_INCLUDES@ -I$(top_srcdir)/include -LDADD = libdbug.a ../strings/libmystrings.a -pkglib_LIBRARIES = libdbug.a -noinst_HEADERS = dbug_long.h -libdbug_a_SOURCES = dbug.c sanity.c -EXTRA_DIST = example1.c example2.c example3.c \ - user.r monty.doc readme.prof \ - main.c factorial.c dbug_analyze.c +INCLUDES = @MT_INCLUDES@ -I$(top_srcdir)/include +LDADD = libdbug.a ../mysys/libmysys.a ../strings/libmystrings.a +pkglib_LIBRARIES = libdbug.a +noinst_HEADERS = dbug_long.h +libdbug_a_SOURCES = dbug.c sanity.c +EXTRA_DIST = example1.c example2.c example3.c \ + user.r monty.doc readme.prof dbug_add_tags.pl \ + 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 + +all: user.t user.ps -factorial: main.o factorial.o - @rm -f factorial - $(LINK) main.o factorial.o -lmysys +user.t: user.r $(NROFF_INC) + nroff -mm user.r > $@ -dbug_analyze: dbug_analyze.o - @rm -f dbug_analyze - $(LINK) dbug_analyze.o -lmysys +user.ps: user.r $(NROFF_INC) + groff -mm user.r > $@ -user.t: user.r $(NROFF_INC) - nroff -cm user.r > $@ +output1.r: factorial + ./factorial 1 2 3 4 5 | cat > $@ -output1.r: $(PROGRAM) - factorial 1 2 3 4 5 | cat > $@ +output2.r: factorial + ./factorial -\#t:o 2 3 | cat >$@ -output2.r: $(PROGRAM) - factorial -\#t:o 2 3 | cat >$@ +output3.r: factorial + ./factorial -\#d:t:o 3 | cat >$@ -output3.r: $(PROGRAM) - factorial -\#d:t:o 3 | cat >$@ +output4.r: factorial + ./factorial -\#d,result:o 4 | cat >$@ -output4.r: $(PROGRAM) - factorial -\#d,result:o 4 | cat >$@ +output5.r: factorial + ./factorial -\#d:f,factorial:F:L:o 3 | cat >$@ +.c.r: + @RM@ -f $@ + @SED@ -e 's!\\!\\\\!g' $< > $@ -output5.r: $(PROGRAM) - factorial -\#d:f,factorial:F:L:o 3 | cat >$@ +clean: + @RM@ -f $(NROFF_INC) user.t user.ps # Don't update the files from bitkeeper %::SCCS/s.% diff --git a/dbug/dbug.c b/dbug/dbug.c index 1796d883c5e..c5238eac122 100644 --- a/dbug/dbug.c +++ b/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; - thd->lex.selec + * product and explicitly disclaims any implied warranties of mer- * * 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 - * want flushing (for slow systems) + * PUSH_FLAG "O" - To be used insted of "o" if we + * 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 diff --git a/dbug/dbug_analyze.c b/dbug/dbug_analyze.c index de228c64aa5..0841e8e0b70 100644 --- a/dbug/dbug_analyze.c +++ b/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 diff --git a/dbug/dbug_long.h b/dbug/dbug_long.h index 07266b51553..829df181ef1 100644 --- a/dbug/dbug_long.h +++ b/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 * diff --git a/dbug/main.c b/dbug/main.c index da56c00feb3..4f37dd7a96d 100644 --- a/dbug/main.c +++ b/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]); diff --git a/dbug/user.r b/dbug/user.r index e8321243962..2d46c6663bd 100644 --- a/dbug/user.r +++ b/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:\ \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:\ DBUG_EXECUTE\ ("abort",\ abort\ ()); +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. -The default output stream is stderr. -A null argument list causes output to be redirected to stdout. +Like 'a[,file]' but overwrite old file, do not append. +.LI O[,file] +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. @@ -865,6 +960,14 @@ 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 @@ -872,6 +975,76 @@ The maximum nesting depth is specified by N, and defaults to .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 .R @@ -934,4 +1107,4 @@ The most common problem is multiply allocated memory. .\" .DE nroff dident like this. davida 900108 .CS - +.\" vim:filetype=nroff diff --git a/extra/Makefile.am b/extra/Makefile.am index aec7ad7dda5..08f3985c34c 100644 --- a/extra/Makefile.am +++ b/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.% diff --git a/mysys/charset2html.c b/extra/charset2html.c index 96862ff16a1..96862ff16a1 100644 --- a/mysys/charset2html.c +++ b/extra/charset2html.c diff --git a/include/my_dbug.h b/include/my_dbug.h index 9174a8b1ef9..4dd795cf4c0 100644 --- a/include/my_dbug.h +++ b/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() {} diff --git a/mysys/Makefile.am b/mysys/Makefile.am index 3ffeeab0411..8eae7551f34 100644 --- a/mysys/Makefile.am +++ b/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) |