Merge work:/home/bk/mysql into hundin.mysql.fi:/my/bk/mysql

BitKeeper/etc/logging_ok:
  auto-union
configure.in:
  Auto merged
Docs/manual.texi:
  Auto merged

11 files changed, 220 insertions, 17 deletions

diff --git a/BitKeeper/etc/logging_ok b/BitKeeper/etc/logging_ok
index 0d845c1e172..50fea447bdd 100644
--- a/BitKeeper/etc/logging_ok
+++ b/BitKeeper/etc/logging_ok
@@ -1,2 +1,3 @@
 jani@janikt.pp.saunalahti.fi
+monty@hundin.mysql.fi
 mwagner@evoq.mwagner.org
diff --git a/Docs/manual.texi b/Docs/manual.texi
index 1aa20b95937..73eb55999ff 100644
--- a/Docs/manual.texi
+++ b/Docs/manual.texi
@@ -8488,7 +8488,7 @@ The following @code{configure} command should work:
 @example
 shell> CFLAGS="-D_XOPEN_XPG4" CXX=gcc CXXFLAGS="-D_XOPEN_XPG4" \
        ./configure \
-           --with-debug --prefix=/usr/local/mysql \
+           --prefix=/usr/local/mysql \
            --with-named-thread-libs="-lgthreads -lsocket -lgen -lgthreads" \
            --with-named-curses-libs="-lcurses"
 @end example
@@ -9525,19 +9525,19 @@ and are configured with the following compilers and options:
 @code{CC=gcc CXX=gcc CXXFLAGS="-O3 -felide-constructors" ./configure --prefix=/usr/local/mysql --disable-shared --with-extra-charsets=complex --enable-assembler}
 
 @item SunOS 5.5.1 sun4u with @code{egcs} 1.0.3a
-@code{CC=gcc CFLAGS="-O3 -fomit-frame-pointer" CXX=gcc CXXFLAGS="-O3 -fomit-frame-pointer -felide-constructors -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local/mysql --with-low-memory --with-extra-charsets=complex}
+@code{CC=gcc CFLAGS="-O3" CXX=gcc CXXFLAGS="-O3 -felide-constructors -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local/mysql --with-low-memory --with-extra-charsets=complex}
 
 @item SunOS 5.6 sun4u with @code{egcs} 2.90.27
-@code{CC=gcc CFLAGS="-O3 -fomit-frame-pointer" CXX=gcc CXXFLAGS="-O3 -fomit-frame-pointer -felide-constructors -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local/mysql --with-low-memory --with-extra-charsets=complex}
+@code{CC=gcc CFLAGS="-O3" CXX=gcc CXXFLAGS="-O3 -felide-constructors -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local/mysql --with-low-memory --with-extra-charsets=complex}
 
 @item SunOS 5.6 i86pc with @code{gcc} 2.8.1
 @code{CC=gcc CXX=gcc CXXFLAGS=-O3 ./configure --prefix=/usr/local/mysql --with-low-memory --with-extra-charsets=complex}
 
 @item Linux 2.0.33 i386 with @code{pgcc} 2.90.29 (@code{egcs} 1.0.3a)
-@code{CFLAGS="-O3 -mpentium -mstack-align-double -fomit-frame-pointer" CXX=gcc CXXFLAGS="-O3 -mpentium -mstack-align-double -fomit-frame-pointer -felide-constructors -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local/mysql --enable-assembler --with-mysqld-ldflags=-all-static --with-extra-charsets=complex}
+@code{CFLAGS="-O3 -mpentium -mstack-align-double" CXX=gcc CXXFLAGS="-O3 -mpentium -mstack-align-double -felide-constructors -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local/mysql --enable-assembler --with-mysqld-ldflags=-all-static --with-extra-charsets=complex}
 
 @item Linux 2.2.x with x686 with @code{gcc} 2.95.2
-@code{CFLAGS="-O3 -mpentiumpro -fomit-frame-pointer" CXX=gcc CXXFLAGS="-O3 -mpentiumpro -fomit-frame-pointer -felide-constructors -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local/mysql --enable-assembler --with-mysqld-ldflags=-all-static --disable-shared --with-extra-charset=complex}
+@code{CFLAGS="-O3 -mpentiumpro" CXX=gcc CXXFLAGS="-O3 -mpentiumpro -felide-constructors -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local/mysql --enable-assembler --with-mysqld-ldflags=-all-static --disable-shared --with-extra-charset=complex}
 
 @item SCO 3.2v5.0.4 i386 with @code{gcc} 2.7-95q4
 @code{CC=gcc CXX=gcc CXXFLAGS=-O3 ./configure --prefix=/usr/local/mysql --with-extra-charsets=complex}
@@ -10740,8 +10740,8 @@ the old @code{ISAM} type.  You don't have to convert your old tables to
 use these with Version 3.23.  By default, all new tables will be created with
 type @code{MyISAM} (unless you start @code{mysqld} with the
 @code{--default-table-type=isam} option). You can change an @code{ISAM}
-table to a @code{MyISAM} table with @code{ALTER TABLE} or the Perl script
-@code{mysql_convert_table_format}.
+table to a @code{MyISAM} table with @code{ALTER TABLE table_name TYPE=MyISAM}
+or the Perl script @code{mysql_convert_table_format}.
 
 Version 3.22 and 3.21 clients will work without any problems with a Version
 3.23 server.
diff --git a/configure.in b/configure.in
index 38df0e950c4..37bc22ff63e 100644
--- a/configure.in
+++ b/configure.in
@@ -755,6 +755,11 @@ case $SYSTEM_TYPE in
     echo "Enabling snprintf workaround for hpux 10.20"
     CFLAGS="$CFLAGS -DHAVE_BROKEN_SNPRINTF -DSIGNALS_DONT_BREAK_READ"
     CXXFLAGS="$CXXFLAGS -DHAVE_BROKEN_SNPRINTF -D_INCLUDE_LONGLONG -DSIGNALS_DONT_BREAK_READ"
+    if test "$with_named_thread" = "no"
+    then 
+      echo "Using --with-named-thread=-lpthread"
+      with_named_thread="-lcma"
+    fi
     ;;
   *hpux11.*)
     echo "Enabling pread/pwrite workaround for hpux 11"
@@ -1051,7 +1056,7 @@ fi
 AC_MSG_CHECKING("named thread libs:")
 if test "$with_named_thread" != "no"
 then
-  LIBS="$LIBS $with_named_thread"
+  LIBS="$with_named_thread $LIBS $with_named_thread"
   with_posix_threads="yes"
   with_mit_threads="no"
   AC_MSG_RESULT("$with_named_thread")
diff --git a/include/my_sys.h b/include/my_sys.h
index 44faddad405..e2eb7ac30d5 100644
--- a/include/my_sys.h
+++ b/include/my_sys.h
@@ -62,6 +62,8 @@ extern int NEAR my_errno;		/* Last error in mysys */
 #define MY_DONT_CHECK_FILESIZE 128	/* Option to init_io_cache() */
 #define MY_LINK_WARNING 32	/* my_redel() gives warning if links */
 #define MY_COPYTIME	64	/* my_redel() copys time */
+#define MY_DELETE_OLD	256	/* my_create_with_symlink() */
+#define MY_RESOLVE_LINK 128	/* my_realpath(); Only resolve links */
 #define MY_HOLD_ORIGINAL_MODES 128  /* my_copy() holds to file modes */
 #define MY_REDEL_MAKE_BACKUP 256
 #define MY_SEEK_NOT_DONE 32	/* my_lock may have to do a seek */
@@ -378,6 +380,12 @@ extern File my_create(const char *FileName,int CreateFlags,
 		      int AccsesFlags, myf MyFlags);
 extern int my_close(File Filedes,myf MyFlags);
 extern int my_mkdir(const char *dir, int Flags, myf MyFlags);
+extern int my_readlink(char *to, const char *filename, myf MyFlags);
+extern int my_realpath(char *to, const char *filename, myf MyFlags);
+extern File my_create_with_symlink(const char *linkname, const char *filename,
+				   int createflags, int access_flags,
+				   myf MyFlags);
+extern int my_symlink(const char *content, const char *linkname, myf MyFlags);
 extern uint my_read(File Filedes,byte *Buffer,uint Count,myf MyFlags);
 extern uint my_pread(File Filedes,byte *Buffer,uint Count,my_off_t offset,
 		     myf MyFlags);
@@ -428,8 +436,14 @@ extern int my_redel(const char *from, const char *to, int MyFlags);
 extern int my_copystat(const char *from, const char *to, int MyFlags);
 extern my_string my_filename(File fd);
 
+#ifndef THREAD
 extern void dont_break(void);
 extern void allow_break(void);
+#else
+#define dont_break()
+#define allow_break()
+#endif
+
 extern void my_remember_signal(int signal_number,sig_handler (*func)(int));
 extern void caseup(my_string str,uint length);
 extern void casedn(my_string str,uint length);
diff --git a/include/mysys_err.h b/include/mysys_err.h
index b379f5bcbc9..2d23ead36b6 100644
--- a/include/mysys_err.h
+++ b/include/mysys_err.h
@@ -22,7 +22,7 @@ extern "C" {
 #endif
 
 #define GLOB		0	/* Error maps */
-#define GLOBERRS	24	/* Max number of error messages in map's */
+#define GLOBERRS	27	/* Max number of error messages in map's */
 #define EE(X)	globerrs[ X ]	/* Defines to add error to right map */
 
 extern const char * NEAR globerrs[];	/* my_error_messages is here */
@@ -51,6 +51,9 @@ extern const char * NEAR globerrs[];	/* my_error_messages is here */
 #define EE_CANT_MKDIR		21
 #define EE_UNKNOWN_CHARSET	22
 #define EE_OUT_OF_FILERESOURCES	23
+#define EE_CANT_READLINK	24
+#define EE_CANT_SYMLINK		25
+#define EE_REALPATH		26
 
 #ifdef	__cplusplus
 }
diff --git a/innobase/include/sync0sync.ic b/innobase/include/sync0sync.ic
index e23e2b68e14..5a872c6b093 100644
--- a/innobase/include/sync0sync.ic
+++ b/innobase/include/sync0sync.ic
@@ -134,9 +134,10 @@ mutex_reset_lock_word(
         __asm   XCHG    EDX, DWORD PTR [ECX]                    
 #else
 	mutex->lock_word = 0;
-
+#if !(defined(__GNUC__) && defined(UNIV_INTEL_X86))
 	os_fast_mutex_unlock(&(mutex->os_fast_mutex));
 #endif
+#endif
 }
 
 /**********************************************************************
diff --git a/mysys/Makefile.am b/mysys/Makefile.am
index 5a7293bc680..827367ac755 100644
--- a/mysys/Makefile.am
+++ b/mysys/Makefile.am
@@ -33,6 +33,7 @@ libmysys_a_SOURCES =	my_init.c my_getwd.c mf_getdate.c\
 			my_alloc.c safemalloc.c my_fopen.c my_fstream.c \
 			my_error.c errors.c my_div.c my_messnc.c \
 			mf_format.c mf_same.c mf_dirname.c mf_fn_ext.c \
+			my_symlink.c \
 			mf_pack.c mf_pack2.c mf_unixpath.c mf_stripp.c \
 			mf_casecnv.c mf_soundex.c mf_wcomp.c mf_wfile.c \
 			mf_qsort.c mf_qsort2.c mf_sort.c \
diff --git a/mysys/errors.c b/mysys/errors.c
index 6e9f1fabab0..77e52c2f0b3 100644
--- a/mysys/errors.c
+++ b/mysys/errors.c
@@ -46,6 +46,9 @@ const char * NEAR globerrs[GLOBERRS]=
   "Can't create directory '%s' (Errcode: %d)",
   "Character set '%s' is not a compiled character set and is not specified in the '%s' file",
   "Out of resources when opening file '%s' (Errcode: %d)",
+  "Can't read value for symlink '%s' (Error %d)",
+  "Can't create symlink '%s' pointing at '%s' (Error %d)",
+  "Error on realpath() on '%s' (Error %d)",
 };
 
 void init_glob_errs(void)
@@ -81,6 +84,9 @@ void init_glob_errs()
   EE(EE_DISK_FULL)	= "Disk is full writing '%s'. Waiting for someone to free space...";
   EE(EE_CANT_MKDIR)	="Can't create directory '%s' (Errcode: %d)";
   EE(EE_UNKNOWN_CHARSET)= "Character set is not a compiled character set and is not specified in the %s file";
-  EE(EE_OUT_OF_FILERESOURCES)="Out of resources when opening file '%s' (Errcode: %d)",
+  EE(EE_OUT_OF_FILERESOURCES)="Out of resources when opening file '%s' (Errcode: %d)";
+  EE(EE_CANT_READLINK)="Can't read value for symlink '%s' (Error %d)";
+  EE(EE_CANT_SYMLINK)="Can't create symlink '%s' pointing at '%s' (Error %d)";
+  EE(EE_REALPATH)="Error on realpath() on '%s' (Error %d)";
 }
 #endif
diff --git a/mysys/mf_brkhant.c b/mysys/mf_brkhant.c
index 4e4bc2410f9..debf5d9a712 100644
--- a/mysys/mf_brkhant.c
+++ b/mysys/mf_brkhant.c
@@ -24,17 +24,15 @@
 
 	/* Set variable that we can't break */
 
+#if !defined(THREAD)
 void dont_break(void)
 {
-#if !defined(THREAD)
   my_dont_interrupt=1;
-#endif
   return;
 } /* dont_break */
 
 void allow_break(void)
 {
-#if !defined(THREAD)
   {
     reg1 int index;
 
@@ -54,8 +52,8 @@ void allow_break(void)
       _my_signals=0;
     }
   }
-#endif
 } /* dont_break */
+#endif
 
 	/* Set old status */
 
diff --git a/mysys/my_symlink.c b/mysys/my_symlink.c
new file mode 100644
index 00000000000..e195adcd4c5
--- /dev/null
+++ b/mysys/my_symlink.c
@@ -0,0 +1,171 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
+
+#include "mysys_priv.h"
+#include "mysys_err.h"
+#include <m_string.h>
+#ifdef HAVE_REALPATH
+#include <sys/param.h>
+#include <sys/stat.h>
+#endif
+
+/*
+  Reads the content of a symbolic link
+  If the file is not a symbolic link, return the original file name in to.
+*/
+
+int my_readlink(char *to, const char *filename, myf MyFlags)
+{
+#ifndef HAVE_READLINK
+  strmov(to,filename);
+  return 0;
+#else
+  int result=0;
+  int length;
+  DBUG_ENTER("my_readlink");
+
+  if ((length=readlink(filename, to, FN_REFLEN-1)) < 0)
+  {
+    /* Don't give an error if this wasn't a symlink */
+    if ((my_errno=errno) == EINVAL)
+    {
+      strmov(to,filename);
+    }
+    else
+    {
+      if (MyFlags & MY_WME)
+	my_error(EE_CANT_READLINK, MYF(0), filename, errno);
+      result= -1;
+    }
+  }
+  else
+    to[length]=0;
+  DBUG_RETURN(result);
+#endif /* HAVE_READLINK */
+}
+
+
+/* Create a symbolic link */
+
+int my_symlink(const char *content, const char *linkname, myf MyFlags)
+{
+#ifndef HAVE_READLINK
+  return 0;
+#else
+  int result;
+  DBUG_ENTER("my_symlink");
+
+  result= 0;
+  if (symlink(content, linkname))
+  {
+    result= -1;
+    my_errno=errno;
+    if (MyFlags & MY_WME)
+      my_error(EE_CANT_SYMLINK, MYF(0), linkname, content, errno);
+  }
+  DBUG_RETURN(result);
+#endif /* HAVE_READLINK */
+}
+
+
+/*
+  Create a file and a symbolic link that points to this file
+  If linkname is a null pointer or equal to filename, we don't
+  create a link.
+ */
+
+
+File my_create_with_symlink(const char *linkname, const char *filename,
+			    int createflags, int access_flags, myf MyFlags)
+{
+  File file;
+  int tmp_errno;
+  DBUG_ENTER("my_create_with_symlink");
+  if ((file=my_create(filename, createflags, access_flags, MyFlags)) >= 0)
+  {
+    /* Test if we should create a link */
+    if (linkname && strcmp(linkname,filename))
+    {
+      /* Delete old link/file */
+      if (MyFlags & MY_DELETE_OLD)
+	my_delete(linkname, MYF(0));
+      /* Create link */
+      if (my_symlink(filename, linkname, MyFlags))
+      {
+	/* Fail, remove everything we have done */
+	tmp_errno=my_errno;
+	my_close(file,MYF(0));
+	my_delete(filename, MYF(0));
+	file= -1;
+	my_errno=tmp_errno;
+      }
+    }
+  }
+  DBUG_RETURN(file);
+}
+
+
+/*
+  Resolve all symbolic links in path
+  'to' may be equal to 'filename'
+
+  Because purify gives a lot of UMR errors when using realpath(),
+  this code is disabled when using purify.
+
+  If MY_RESOLVE_LINK is given, only do realpath if the file is a link.
+*/
+
+#if defined(SCO)
+#define BUFF_LEN 4097
+#elif defined(MAXPATHLEN)
+#define BUFF_LEN MAXPATHLEN
+#else
+#define BUFF_LEN FN_LEN
+#endif
+
+int my_realpath(char *to, const char *filename, myf MyFlags)
+{
+#if defined(HAVE_REALPATH) && !defined(HAVE_purify) && !defined(HAVE_BROKEN_REALPATH)
+  int result=0;
+  char buff[BUFF_LEN];
+  struct stat stat_buff;
+  DBUG_ENTER("my_realpath");
+
+  if (!(MyFlags & MY_RESOLVE_LINK) ||
+      (!lstat(filename,&stat_buff) && S_ISLNK(stat_buff.st_mode)))
+  {
+    char *ptr;
+    if ((ptr=realpath(filename,buff)))
+      strmake(to,ptr,FN_REFLEN-1);
+    else
+    {
+      /* Realpath didn't work;  Use original name */
+      my_errno=errno;
+      if (MyFlags & MY_WME)
+	my_error(EE_REALPATH, MYF(0), filename, my_errno);
+      if (to != filename)
+	strmov(to,filename);
+      result= -1;
+    }
+  }
+  return result;
+#else
+  if (to != filename)
+    strmov(to,filename);
+  return 0;
+#endif
+}
diff --git a/sql/sql_select.h b/sql/sql_select.h
index bb97a10128f..1bf7d7863eb 100644
--- a/sql/sql_select.h
+++ b/sql/sql_select.h
@@ -138,8 +138,11 @@ class TMP_TABLE_PARAM {
   }
   inline void cleanup(void)
   {
-    delete [] copy_field;
-    copy_field=0;
+    if (copy_field)				/* Fix for Intel compiler */
+    {
+      delete [] copy_field;
+      copy_field=0;
+    }
   }
 };