Fix for IO_CACHE.

Portability fixes.

BUILD/compile-alpha-debug

+/bin/rm -f */.deps/*.P */*.o
 make -k clean
-/bin/rm -f */.deps/*.P
-/bin/rm -f config.cache
+/bin/rm -f */.deps/*.P */*.o
+/bin/rm -f */.deps/*.P config.cache innobase/config.cache bdb/build_unix/config.cache mysql-*.tar.gz
 aclocal; autoheader; aclocal; automake; autoconf
 
-CFLAGS=-O6 CXX=gcc CXXFLAGS="-O6 -felide-constructors -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local/mysql --with-debug --with-extra-charsets=complex
+CFLAGS=-O1 CC=gcc CXX=gcc CXXFLAGS="-O1 -felide-constructors -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local/mysql --with-debug --with-extra-charsets=complex  --without-extra-tools
 make

libmysqld/lib_vio.c

@@ -110,7 +110,7 @@ int vio_read(Vio * vio, gptr buf, int size)
   vio->reading = 1;
   if (vio->where_in_packet >= vio->end_of_packet)
   {
-    dbug_assert(vio->packets);
+    DBUG_ASSERT(vio->packets);
     vio->where_in_packet = vio->packets + sizeof(char *) + 4;
     vio->end_of_packet = vio->where_in_packet +
       			 uint4korr(vio->packets + sizeof(char *));

mysql-test/r/symlink.result

@@ -21,7 +21,6 @@ insert into t1 (b) select b from t2;
 insert into t2 (b) select b from t1;
 insert into t1 (b) select b from t2;
 drop table t2;
- create table t9 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam data directory="/home/sasha/bk/mysql-4.0/mysql-test/var/tmp" index directory="/home/sasha/bk/mysql-4.0/mysql-test/var/run";
 insert into t9 select * from t1;
 check table t9;
 Table	Op	Msg_type	Msg_text
@@ -45,18 +44,11 @@ alter table t9 rename t8, add column d int not null;
 alter table t8 rename t7;
 rename table t7 to t9;
 drop table t1;
-create table t1 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam data directory="tmp";
-Incorrect table name 'tmp'
-drop database if exists test_mysqltest;
-create database test_mysqltest;
-create table test_mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam index directory="/this-dir-does-not-exist";
-Can't create/write to file '/this-dir-does-not-exist/t9.MYI' (Errcode: 2)
-create table test_mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam index directory="not-hard-path";
-Incorrect table name 'not-hard-path'
- create table test_mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam index directory="/home/sasha/bk/mysql-4.0/mysql-test/var/run";
-Can't create/write to file '/home/sasha/bk/mysql-4.0/mysql-test/var/run/t9.MYI' (Errcode: 17)
- create table test_mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam data directory="/home/sasha/bk/mysql-4.0/mysql-test/var/tmp";
-Can't create/write to file '/home/sasha/bk/mysql-4.0/mysql-test/var/tmp/t9.MYD' (Errcode: 17)
+Got one of the listed errors
+Got one of the listed errors
+Got one of the listed errors
+Got one of the listed errors
+Got one of the listed errors
 alter table t9 rename test_mysqltest.t9;
 select count(*) from test_mysqltest.t9;
 count(*)

mysql-test/t/symlink.test

 -- require r/have_symlink.require
+disable_query_log;
 show variables like "have_symlink";
+enable_query_log;
 
 #
 # First create little data to play with
@@ -33,7 +35,10 @@ drop table t2;
 # We use t9 here to not crash with tables generated by the backup test
 # 
 
+disable_query_log;
 eval create table t9 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam data directory="$MYSQL_TEST_DIR/var/tmp" index directory="$MYSQL_TEST_DIR/var/run";
+enable_query_log;
+
 insert into t9 select * from t1;
 check table t9;
 optimize table t9;
@@ -53,7 +58,8 @@ drop table t1;
 # Note that we are using the above table t9 here!
 #
 
---error 1103
+disable_query_log;
+--error 1103,1103
 create table t1 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam data directory="tmp";
 
 # Check that we cannot link over a table from another database.
@@ -61,17 +67,18 @@ create table t1 (a int not null auto_increment, b char(16) not null, primary key
 drop database if exists test_mysqltest;
 create database test_mysqltest;
 
---error 1
+--error 1,1
 create table test_mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam index directory="/this-dir-does-not-exist";
 
---error 1103
+--error 1103,1103
 create table test_mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam index directory="not-hard-path";
 
---error 1
+--error 1,1
 eval create table test_mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam index directory="$MYSQL_TEST_DIR/var/run";
 
---error 1
+--error 1,1
 eval create table test_mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam data directory="$MYSQL_TEST_DIR/var/tmp";
+enable_query_log;
 
 # Check moving table t9 from default database to test_mysqltest;
 # In this case the symlinks should be removed.

mysys/mf_iocache2.c

@@ -32,17 +32,16 @@
 
 void my_b_seek(IO_CACHE *info,my_off_t pos)
 {
+  my_off_t offset = (pos - info->pos_in_file);
   DBUG_ENTER("my_b_seek");
   DBUG_PRINT("enter",("pos: %lu", (ulong) pos));
 
   if (info->type == READ_CACHE)
   {
-    byte* try_pos=info->read_pos + (pos - info->pos_in_file);
-    if (try_pos >= info->buffer &&
-	try_pos <= info->read_end)
+    if ((ulonglong) offset < (ulonglong) (info->read_end - info->buffer))
     {
-      /* The position is in the current buffer; Reuse it */
-      info->read_pos = try_pos;
+      /* The read is in the current buffer; Reuse it */
+      info->read_pos = info->buffer + offset;
       DBUG_VOID_RETURN;
     }
     else
@@ -53,16 +52,13 @@ void my_b_seek(IO_CACHE *info,my_off_t pos)
   }
   else if (info->type == WRITE_CACHE)
   {
-    byte* try_pos;
     /* If write is in current buffer, reuse it */
-    try_pos = info->write_pos + (pos - info->pos_in_file);
-    if (try_pos >= info->write_buffer &&
-	try_pos <= info->write_end)
+    if ((ulonglong) offset <
+	(ulonglong) (info->write_end - info->write_buffer))
     {
-      info->write_pos = try_pos;
+      info->write_pos = info->write_buffer + offset;
       DBUG_VOID_RETURN;
     }
-    else
     flush_io_cache(info);
   }
   info->pos_in_file=pos;

sql-bench/test-transactions.sh

 #!@PERL@
-#
 # Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
 #
 # This library is free software; you can redistribute it and/or
@@ -28,7 +27,7 @@ use warnings;
 
 $opt_groups=27;		    # Characters are 'A' -> Z
 
-$opt_loop_count=100000;	    # Change this to make test harder/easier
+$opt_loop_count=10000;	    # Change this to make test harder/easier
 $opt_medium_loop_count=100; # Change this to make test harder/easier
 
 chomp($pwd = `pwd`); $pwd = "." if ($pwd eq '');
@@ -114,86 +113,109 @@ sub test_insert
 }
 
 ###
-### Test update perfomance
+### Test rollback performance
 ###
 
-test_update("bench1","update_commit",0);
-test_update("bench2","update_autocommit",1);
+print "Test transactions rollback performance\n" if($opt_debug);
+
+##
+## Insert rollback test
+##
+
+#
+# Test is done by inserting 100 rows in a table with lots of rows and
+# then doing a rollback on these
+#
 
-sub test_update
 {
-  my ($table, $test_name, $auto_commit)= @_;
-  my ($loop_time,$end_time,$id);
+  my ($id,$rev_id,$grp,$region,$end,$loop_time,$end_time,$commit_loop,$count);
 
-  $dbh->{AutoCommit}= $auto_commit;
+  $dbh->{AutoCommit} = 0;
   $loop_time=new Benchmark;
+  $end=$opt_loop_count*2;
+  $count=0;
 
-  for ($id=0 ; $id < $opt_loop_count ; $id++)
+  for ($commit_loop=1, $id=$opt_loop_count ; $id < $end ;
+       $id++, $commit_loop++)
   {
-    do_query($dbh,"update bench1 set updated=1 where idn=$id");
+    $rev_id=$end-$id;
+    $grp=$id/$opt_groups;
+    $region=chr(65+$id%$opt_groups);
+    do_query($dbh,"insert into bench1 values ($id,$rev_id,'$region',$grp,0)");
+    if ($commit_loop >= $opt_medium_loop_count)
+    {
+      $dbh->rollback;
+      $commit_loop=0;
+      $count++;
+    }
+  }
+  if ($commit_loop > 1)
+  {
+    $dbh->rollback;
+    $count++;
   }
-
-  $dbh->commit if (!$auto_commit);
   $end_time=new Benchmark;
-  print "Time for $test_name  ($opt_loop_count): " .
+  print "Time for insert_rollback ($count:$opt_loop_count): " .
     timestr(timediff($end_time, $loop_time),"all") . "\n\n";
 }
 
-###
-### Test delete perfomance
-###
+##
+## Update rollback test
+##
 
-test_delete("bench1","delete_commit",0);
-test_delete("bench2","delete_autocommit",1);
+#
+# Test is done by updating 100 rows in a table with lots of rows and
+# then doing a rollback on these
+#
 
-sub test_delete
 {
-  my ($table, $test_name, $auto_commit)= @_;
-  my ($loop_time,$end_time,$id);
+  my ($id,$loop_time,$end_time,$commit_loop,$count);
 
-  $dbh->{AutoCommit}= $auto_commit;
+  $dbh->{AutoCommit} = 0;
   $loop_time=new Benchmark;
+  $end=$opt_loop_count*2;
+  $count=0;
 
-  for ($id=0 ; $id < $opt_loop_count ; $id++)
+  for ($commit_loop=1, $id=0 ; $id < $opt_loop_count ; $id++, $commit_loop++)
   {
-    do_query($dbh,"delete from $table where idn=$id");
+    do_query($dbh,"update bench1 set updated=2 where idn=$id");
+    if ($commit_loop >= $opt_medium_loop_count)
+    {
+      $dbh->rollback;
+      $commit_loop=0;
+      $count++;
+    }
+  }
+  if ($commit_loop > 1)
+  {
+    $dbh->rollback;
+    $count++;
   }
-  $dbh->commit if (!$auto_commit);
   $end_time=new Benchmark;
-  print "Time for $test_name  ($opt_loop_count): " .
+  print "Time for update_rollback ($count:$opt_loop_count): " .
     timestr(timediff($end_time, $loop_time),"all") . "\n\n";
 }
 
-###
-### Test rollback performance
-###
-
-print "Test transactions rollback performance\n" if($opt_debug);
-
 ##
-## Insert rollback test
+## Delete rollback test
 ##
 
 #
-# Test is done by inserting 10 rows in a table with lots of rows and
+# Test is done by deleting 100 rows in a table with lots of rows and
 # then doing a rollback on these
 #
 
 {
-  my ($id,$rev_id,$grp,$region,$end,$loop_time,$end_time,$commit_loop,$count);
+  my ($id,$loop_time,$end_time,$commit_loop,$count);
 
   $dbh->{AutoCommit} = 0;
   $loop_time=new Benchmark;
   $end=$opt_loop_count*2;
   $count=0;
 
-  for ($commit_loop=1, $id=$opt_loop_count ; $id < $end ;
-       $id++, $commit_loop++)
+  for ($commit_loop=1, $id=0 ; $id < $opt_loop_count ; $id++, $commit_loop++)
   {
-    $rev_id=$end-$id;
-    $grp=$id/$opt_groups;
-    $region=chr(65+$id%$opt_groups);
-    do_query($dbh,"insert into bench1 values ($id,$rev_id,'$region',$grp,0)");
+    do_query($dbh,"delete from bench1 where idn=$id");
     if ($commit_loop >= $opt_medium_loop_count)
     {
       $dbh->rollback;
@@ -207,56 +229,62 @@ print "Test transactions rollback performance\n" if($opt_debug);
     $count++;
   }
   $end_time=new Benchmark;
-  print "Time for insert_rollback ($count:$opt_loop_count): " .
+  print "Time for delete_rollback ($count:$opt_loop_count): " .
     timestr(timediff($end_time, $loop_time),"all") . "\n\n";
 }
 
+
 ###
-### Update rollback test
+### Test update perfomance
 ###
 
-if (0)
-{
+test_update("bench1","update_commit",0);
+test_update("bench2","update_autocommit",1);
 
-  $dbh->{AutoCommit} = 0;
+sub test_update
+{
+  my ($table, $test_name, $auto_commit)= @_;
+  my ($loop_time,$end_time,$id);
 
+  $dbh->{AutoCommit}= $auto_commit;
   $loop_time=new Benchmark;
 
-  for ($id=0,$rev_id=$opt_medium_loop_count ; $id < $opt_medium_loop_count; $id++,$rev_id--)
+  for ($id=0 ; $id < $opt_loop_count ; $id++)
   {
-    $grp=$id/$opt_groups;
-    $region=chr(65+$id%$opt_groups);
-    do_query($dbh,"update bench1 set region='$region',grp=$grp where idn=$id");
+    do_query($dbh,"update bench1 set updated=1 where idn=$id");
   }
 
-  $dbh->rollback;
-
+  $dbh->commit if (!$auto_commit);
   $end_time=new Benchmark;
-  print "Time for update rollback (" . ($opt_medium_loop_count) . "): " .
+  print "Time for $test_name  ($opt_loop_count): " .
     timestr(timediff($end_time, $loop_time),"all") . "\n\n";
+}
 
-### Delete rollback test
-  $dbh->{AutoCommit} = 0;
+###
+### Test delete perfomance
+###
+
+test_delete("bench1","delete_commit",0);
+test_delete("bench2","delete_autocommit",1);
+
+sub test_delete
+{
+  my ($table, $test_name, $auto_commit)= @_;
+  my ($loop_time,$end_time,$id);
 
+  $dbh->{AutoCommit}= $auto_commit;
   $loop_time=new Benchmark;
 
-  for ($id=0,$rev_id=$opt_medium_loop_count; $id < $opt_medium_loop_count; $id++,$rev_id--)
+  for ($id=0 ; $id < $opt_loop_count ; $id++)
  {
-    $grp=$id/$opt_groups;
-    $region=chr(65+$id%$opt_groups);
-    do_query($dbh,"delete from bench1 where idn=$id");
+    do_query($dbh,"delete from $table where idn=$id");
   }
-
-  $dbh->rollback;
-
+  $dbh->commit if (!$auto_commit);
   $end_time=new Benchmark;
-  print "Time for delete rollback (" . ($opt_medium_loop_count) . "): " .
+  print "Time for $test_name  ($opt_loop_count): " .
    timestr(timediff($end_time, $loop_time),"all") . "\n\n";
-
-  $dbh->{AutoCommit} = 1;
 }
 
-
 ####
 #### End of benchmark
 ####

sql/mysqld.cc

@@ -686,6 +686,11 @@ pthread_handler_decl(kill_server_thread,arg __attribute__((unused)))
 }
 #endif
 
+#if defined(__amiga__)
+#undef sigset
+#define sigset signal
+#endif
+
 static sig_handler print_signal_warning(int sig)
 {
   sql_print_error("Warning: Got signal %d from thread %d",
@@ -1310,7 +1315,11 @@ static void init_signals(void)
     sigprocmask(SIG_SETMASK,&sa.sa_mask,NULL);
 
     init_stacktrace();
+#if defined(__amiga__)
+    sa.sa_handler=(void(*)())handle_segfault;
+#else
     sa.sa_handler=handle_segfault;
+#endif
     sigaction(SIGSEGV, &sa, NULL);
 #ifdef SIGBUS
     sigaction(SIGBUS, &sa, NULL);

sql/sql_string.cc

@@ -781,8 +781,8 @@ int wild_compare(const char *str,const char *str_end,
 	  str++;
 	if (str++ == str_end)
 	{ 
-	  DBUG_RETURN(-1) 
-	};
+	  DBUG_RETURN(-1);
+	}
 	{
 	  int tmp=wild_compare(str,str_end,wildstr,wildend,escape);
 	  if (tmp <= 0)

sql/stacktrace.c

@@ -218,7 +218,7 @@ void write_core(int sig)
 {
   signal(sig, SIG_DFL);
   pthread_kill(pthread_self(), sig);
-#if defined(P_MYID)
+#if defined(P_MYID) && !defined(SCO)
   /* On Solaris, the above kill is not enough */
   sigsend(P_PID,P_MYID,sig);
 #endif