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Comment:Merge trunk changes into experimental branch.
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SHA1:621824092d443425c420ba9010bbe1202fe99ea2
User & Date: dan 2010-07-27 18:36:38
Context
2010-07-28
14:26
Support FCNTL_CHUNK_SIZE on windows too. check-in: a038688c user: dan tags: experimental
2010-07-27
18:36
Merge trunk changes into experimental branch. check-in: 62182409 user: dan tags: experimental
18:34
Add experimental unix-only file-control to grow and truncate the database file by a configurable chunk size. check-in: 7cf0e851 user: dan tags: experimental
16:42
Update the makefiles to prefer TCL version 8.5 instead of 8.4. check-in: 8118de2a user: drh tags: trunk
Changes
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Changes to Makefile.arm-wince-mingw32ce-gcc. 

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SO = dll
SHPREFIX =

#### Extra compiler options needed for programs that use the TCL library.
#
#TCL_FLAGS =
#TCL_FLAGS = -DSTATIC_BUILD=1
TCL_FLAGS = -I/home/drh/tcltk/8.4linux
#TCL_FLAGS = -I/home/drh/tcltk/8.4win -DSTATIC_BUILD=1
#TCL_FLAGS = -I/home/drh/tcltk/8.3hpux

#### Linker options needed to link against the TCL library.
#
#LIBTCL = -ltcl -lm -ldl
LIBTCL = /home/drh/tcltk/8.4linux/libtcl8.4g.a -lm -ldl
#LIBTCL = /home/drh/tcltk/8.4win/libtcl84s.a -lmsvcrt
#LIBTCL = /home/drh/tcltk/8.3hpux/libtcl8.3.a -ldld -lm -lc

#### Additional objects for SQLite library when TCL support is enabled.
TCLOBJ =
#TCLOBJ = tclsqlite.o

#### Compiler options needed for programs that use the readline() library.








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SO = dll
SHPREFIX =

#### Extra compiler options needed for programs that use the TCL library.
#
#TCL_FLAGS =
#TCL_FLAGS = -DSTATIC_BUILD=1
TCL_FLAGS = -I/home/drh/tcltk/8.5linux
#TCL_FLAGS = -I/home/drh/tcltk/8.5win -DSTATIC_BUILD=1
#TCL_FLAGS = -I/home/drh/tcltk/8.3hpux

#### Linker options needed to link against the TCL library.
#
#LIBTCL = -ltcl -lm -ldl
LIBTCL = /home/drh/tcltk/8.5linux/libtcl8.5g.a -lm -ldl
#LIBTCL = /home/drh/tcltk/8.5win/libtcl85s.a -lmsvcrt
#LIBTCL = /home/drh/tcltk/8.3hpux/libtcl8.3.a -ldld -lm -lc

#### Additional objects for SQLite library when TCL support is enabled.
TCLOBJ =
#TCLOBJ = tclsqlite.o

#### Compiler options needed for programs that use the readline() library.

Changes to Makefile.linux-gcc. 

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# SO = dll
# SHPREFIX =

#### Extra compiler options needed for programs that use the TCL library.
#
#TCL_FLAGS =
#TCL_FLAGS = -DSTATIC_BUILD=1
TCL_FLAGS = -I/home/drh/tcltk/8.4linux
#TCL_FLAGS = -I/home/drh/tcltk/8.4win -DSTATIC_BUILD=1
#TCL_FLAGS = -I/home/drh/tcltk/8.3hpux

#### Linker options needed to link against the TCL library.
#
#LIBTCL = -ltcl -lm -ldl
LIBTCL = /home/drh/tcltk/8.4linux/libtcl8.4g.a -lm -ldl
#LIBTCL = /home/drh/tcltk/8.4win/libtcl84s.a -lmsvcrt
#LIBTCL = /home/drh/tcltk/8.3hpux/libtcl8.3.a -ldld -lm -lc

#### Additional objects for SQLite library when TCL support is enabled.
#TCLOBJ =
TCLOBJ = tclsqlite.o

#### Compiler options needed for programs that use the readline() library.








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# SO = dll
# SHPREFIX =

#### Extra compiler options needed for programs that use the TCL library.
#
#TCL_FLAGS =
#TCL_FLAGS = -DSTATIC_BUILD=1
TCL_FLAGS = -I/home/drh/tcltk/8.5linux
#TCL_FLAGS = -I/home/drh/tcltk/8.5win -DSTATIC_BUILD=1
#TCL_FLAGS = -I/home/drh/tcltk/8.3hpux

#### Linker options needed to link against the TCL library.
#
#LIBTCL = -ltcl -lm -ldl
LIBTCL = /home/drh/tcltk/8.5linux/libtcl8.5g.a -lm -ldl
#LIBTCL = /home/drh/tcltk/8.5win/libtcl85s.a -lmsvcrt
#LIBTCL = /home/drh/tcltk/8.3hpux/libtcl8.3.a -ldld -lm -lc

#### Additional objects for SQLite library when TCL support is enabled.
#TCLOBJ =
TCLOBJ = tclsqlite.o

#### Compiler options needed for programs that use the readline() library.

Changes to Makefile.vxworks. 

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SO = so
SHPREFIX = lib

#### Extra compiler options needed for programs that use the TCL library.
#
#TCL_FLAGS =
#TCL_FLAGS = -DSTATIC_BUILD=1
TCL_FLAGS = -I/home/drh/tcltk/8.4linux
#TCL_FLAGS = -I/home/drh/tcltk/8.4win -DSTATIC_BUILD=1
#TCL_FLAGS = -I/home/drh/tcltk/8.3hpux

#### Linker options needed to link against the TCL library.
#
#LIBTCL = -ltcl -lm -ldl
LIBTCL = /home/drh/tcltk/8.4linux/libtcl8.4g.a -lm -ldl
#LIBTCL = /home/drh/tcltk/8.4win/libtcl84s.a -lmsvcrt
#LIBTCL = /home/drh/tcltk/8.3hpux/libtcl8.3.a -ldld -lm -lc

#### Additional objects for SQLite library when TCL support is enabled.
TCLOBJ =
#TCLOBJ = tclsqlite.o

#### Compiler options needed for programs that use the readline() library.








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SO = so
SHPREFIX = lib

#### Extra compiler options needed for programs that use the TCL library.
#
#TCL_FLAGS =
#TCL_FLAGS = -DSTATIC_BUILD=1
TCL_FLAGS = -I/home/drh/tcltk/8.5linux
#TCL_FLAGS = -I/home/drh/tcltk/8.5win -DSTATIC_BUILD=1
#TCL_FLAGS = -I/home/drh/tcltk/8.3hpux

#### Linker options needed to link against the TCL library.
#
#LIBTCL = -ltcl -lm -ldl
LIBTCL = /home/drh/tcltk/8.5linux/libtcl8.5g.a -lm -ldl
#LIBTCL = /home/drh/tcltk/8.5win/libtcl85s.a -lmsvcrt
#LIBTCL = /home/drh/tcltk/8.3hpux/libtcl8.3.a -ldld -lm -lc

#### Additional objects for SQLite library when TCL support is enabled.
TCLOBJ =
#TCLOBJ = tclsqlite.o

#### Compiler options needed for programs that use the readline() library.

Changes to configure. 

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USE_AMALGAMATION=1

#########
# See whether we can run specific tclsh versions known to work well;
# if not, then we fall back to plain tclsh.
# TODO: try other versions before falling back?
#
for ac_prog in tclsh8.4 tclsh
do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if test "${ac_cv_prog_TCLSH_CMD+set}" = set; then
  $as_echo_n "(cached) " >&6








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USE_AMALGAMATION=1

#########
# See whether we can run specific tclsh versions known to work well;
# if not, then we fall back to plain tclsh.
# TODO: try other versions before falling back?
#
for ac_prog in tclsh8.5 tclsh
do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if test "${ac_cv_prog_TCLSH_CMD+set}" = set; then
  $as_echo_n "(cached) " >&6

Changes to configure.ac. 

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USE_AMALGAMATION=1

#########
# See whether we can run specific tclsh versions known to work well;
# if not, then we fall back to plain tclsh.
# TODO: try other versions before falling back?
# 
AC_CHECK_PROGS(TCLSH_CMD, [tclsh8.4 tclsh], none)
if test "$TCLSH_CMD" = "none"; then
  # If we can't find a local tclsh, then building the amalgamation will fail.
  # We act as though --disable-amalgamation has been used.
  echo "Warning: can't find tclsh - defaulting to non-amalgamation build."
  USE_AMALGAMATION=0
  TCLSH_CMD="tclsh"
fi








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USE_AMALGAMATION=1

#########
# See whether we can run specific tclsh versions known to work well;
# if not, then we fall back to plain tclsh.
# TODO: try other versions before falling back?
# 
AC_CHECK_PROGS(TCLSH_CMD, [tclsh8.5 tclsh], none)
if test "$TCLSH_CMD" = "none"; then
  # If we can't find a local tclsh, then building the amalgamation will fail.
  # We act as though --disable-amalgamation has been used.
  echo "Warning: can't find tclsh - defaulting to non-amalgamation build."
  USE_AMALGAMATION=0
  TCLSH_CMD="tclsh"
fi

Changes to src/malloc.c. 

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  if( p==0 && mem0.alarmCallback ){
    sqlite3MallocAlarm(nFull);
    p = sqlite3GlobalConfig.m.xMalloc(nFull);
  }
  if( p ){
    nFull = sqlite3MallocSize(p);
    sqlite3StatusAdd(SQLITE_STATUS_MEMORY_USED, nFull);

  }
  *pp = p;
  return nFull;
}

/*
** Allocate memory.  This routine is like sqlite3_malloc() except that it
................................................................................
      assert( sqlite3MemdebugNoType(p, ~MEMTYPE_SCRATCH) );
      sqlite3MemdebugSetType(p, MEMTYPE_HEAP);
      if( sqlite3GlobalConfig.bMemstat ){
        int iSize = sqlite3MallocSize(p);
        sqlite3_mutex_enter(mem0.mutex);
        sqlite3StatusAdd(SQLITE_STATUS_SCRATCH_OVERFLOW, -iSize);
        sqlite3StatusAdd(SQLITE_STATUS_MEMORY_USED, -iSize);

        sqlite3GlobalConfig.m.xFree(p);
        sqlite3_mutex_leave(mem0.mutex);
      }else{
        sqlite3GlobalConfig.m.xFree(p);
      }
    }else{
      int i;
................................................................................
void sqlite3_free(void *p){
  if( p==0 ) return;
  assert( sqlite3MemdebugNoType(p, MEMTYPE_DB) );
  assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) );
  if( sqlite3GlobalConfig.bMemstat ){
    sqlite3_mutex_enter(mem0.mutex);
    sqlite3StatusAdd(SQLITE_STATUS_MEMORY_USED, -sqlite3MallocSize(p));

    sqlite3GlobalConfig.m.xFree(p);
    sqlite3_mutex_leave(mem0.mutex);
  }else{
    sqlite3GlobalConfig.m.xFree(p);
  }
}









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  if( p==0 && mem0.alarmCallback ){
    sqlite3MallocAlarm(nFull);
    p = sqlite3GlobalConfig.m.xMalloc(nFull);
  }
  if( p ){
    nFull = sqlite3MallocSize(p);
    sqlite3StatusAdd(SQLITE_STATUS_MEMORY_USED, nFull);
    sqlite3StatusAdd(SQLITE_STATUS_MALLOC_COUNT, 1);
  }
  *pp = p;
  return nFull;
}

/*
** Allocate memory.  This routine is like sqlite3_malloc() except that it
................................................................................
      assert( sqlite3MemdebugNoType(p, ~MEMTYPE_SCRATCH) );
      sqlite3MemdebugSetType(p, MEMTYPE_HEAP);
      if( sqlite3GlobalConfig.bMemstat ){
        int iSize = sqlite3MallocSize(p);
        sqlite3_mutex_enter(mem0.mutex);
        sqlite3StatusAdd(SQLITE_STATUS_SCRATCH_OVERFLOW, -iSize);
        sqlite3StatusAdd(SQLITE_STATUS_MEMORY_USED, -iSize);
        sqlite3StatusAdd(SQLITE_STATUS_MALLOC_COUNT, -1);
        sqlite3GlobalConfig.m.xFree(p);
        sqlite3_mutex_leave(mem0.mutex);
      }else{
        sqlite3GlobalConfig.m.xFree(p);
      }
    }else{
      int i;
................................................................................
void sqlite3_free(void *p){
  if( p==0 ) return;
  assert( sqlite3MemdebugNoType(p, MEMTYPE_DB) );
  assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) );
  if( sqlite3GlobalConfig.bMemstat ){
    sqlite3_mutex_enter(mem0.mutex);
    sqlite3StatusAdd(SQLITE_STATUS_MEMORY_USED, -sqlite3MallocSize(p));
    sqlite3StatusAdd(SQLITE_STATUS_MALLOC_COUNT, -1);
    sqlite3GlobalConfig.m.xFree(p);
    sqlite3_mutex_leave(mem0.mutex);
  }else{
    sqlite3GlobalConfig.m.xFree(p);
  }
}

Changes to src/sqlite.h.in. 

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#define SQLITE_STATUS_PAGECACHE_OVERFLOW   2
#define SQLITE_STATUS_SCRATCH_USED         3
#define SQLITE_STATUS_SCRATCH_OVERFLOW     4
#define SQLITE_STATUS_MALLOC_SIZE          5
#define SQLITE_STATUS_PARSER_STACK         6
#define SQLITE_STATUS_PAGECACHE_SIZE       7
#define SQLITE_STATUS_SCRATCH_SIZE         8


/*
** CAPI3REF: Database Connection Status
**
** ^This interface is used to retrieve runtime status information 
** about a single [database connection].  ^The first argument is the
** database connection object to be interrogated.  ^The second argument








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#define SQLITE_STATUS_PAGECACHE_OVERFLOW   2
#define SQLITE_STATUS_SCRATCH_USED         3
#define SQLITE_STATUS_SCRATCH_OVERFLOW     4
#define SQLITE_STATUS_MALLOC_SIZE          5
#define SQLITE_STATUS_PARSER_STACK         6
#define SQLITE_STATUS_PAGECACHE_SIZE       7
#define SQLITE_STATUS_SCRATCH_SIZE         8
#define SQLITE_STATUS_MALLOC_COUNT         9

/*
** CAPI3REF: Database Connection Status
**
** ^This interface is used to retrieve runtime status information 
** about a single [database connection].  ^The first argument is the
** database connection object to be interrogated.  ^The second argument

Changes to src/status.c. 

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#include "vdbeInt.h"

/*
** Variables in which to record status information.
*/
typedef struct sqlite3StatType sqlite3StatType;
static SQLITE_WSD struct sqlite3StatType {
  int nowValue[9];         /* Current value */
  int mxValue[9];          /* Maximum value */
} sqlite3Stat = { {0,}, {0,} };


/* The "wsdStat" macro will resolve to the status information
** state vector.  If writable static data is unsupported on the target,
** we have to locate the state vector at run-time.  In the more common
** case where writable static data is supported, wsdStat can refer directly
................................................................................
    case SQLITE_DBSTATUS_SCHEMA_USED: {
      int i;                      /* Used to iterate through schemas */
      int nByte = 0;              /* Used to accumulate return value */

      db->pnBytesFreed = &nByte;
      for(i=0; i<db->nDb; i++){
        Schema *pSchema = db->aDb[i].pSchema;
        if( pSchema ){
            HashElem *p;

          nByte += sqlite3GlobalConfig.m.xRoundup(sizeof(HashElem)) * (
              pSchema->tblHash.count 
            + pSchema->trigHash.count
            + pSchema->idxHash.count
            + pSchema->fkeyHash.count
          );








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#include "vdbeInt.h"

/*
** Variables in which to record status information.
*/
typedef struct sqlite3StatType sqlite3StatType;
static SQLITE_WSD struct sqlite3StatType {
  int nowValue[10];         /* Current value */
  int mxValue[10];          /* Maximum value */
} sqlite3Stat = { {0,}, {0,} };


/* The "wsdStat" macro will resolve to the status information
** state vector.  If writable static data is unsupported on the target,
** we have to locate the state vector at run-time.  In the more common
** case where writable static data is supported, wsdStat can refer directly
................................................................................
    case SQLITE_DBSTATUS_SCHEMA_USED: {
      int i;                      /* Used to iterate through schemas */
      int nByte = 0;              /* Used to accumulate return value */

      db->pnBytesFreed = &nByte;
      for(i=0; i<db->nDb; i++){
        Schema *pSchema = db->aDb[i].pSchema;
        if( ALWAYS(pSchema!=0) ){
          HashElem *p;

          nByte += sqlite3GlobalConfig.m.xRoundup(sizeof(HashElem)) * (
              pSchema->tblHash.count 
            + pSchema->trigHash.count
            + pSchema->idxHash.count
            + pSchema->fkeyHash.count
          );

Changes to src/test_malloc.c. 

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    { "SQLITE_STATUS_PAGECACHE_USED",      SQLITE_STATUS_PAGECACHE_USED      },
    { "SQLITE_STATUS_PAGECACHE_OVERFLOW",  SQLITE_STATUS_PAGECACHE_OVERFLOW  },
    { "SQLITE_STATUS_PAGECACHE_SIZE",      SQLITE_STATUS_PAGECACHE_SIZE      },
    { "SQLITE_STATUS_SCRATCH_USED",        SQLITE_STATUS_SCRATCH_USED        },
    { "SQLITE_STATUS_SCRATCH_OVERFLOW",    SQLITE_STATUS_SCRATCH_OVERFLOW    },
    { "SQLITE_STATUS_SCRATCH_SIZE",        SQLITE_STATUS_SCRATCH_SIZE        },
    { "SQLITE_STATUS_PARSER_STACK",        SQLITE_STATUS_PARSER_STACK        },

  };
  Tcl_Obj *pResult;
  if( objc!=3 ){
    Tcl_WrongNumArgs(interp, 1, objv, "PARAMETER RESETFLAG");
    return TCL_ERROR;
  }
  zOpName = Tcl_GetString(objv[1]);








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    { "SQLITE_STATUS_PAGECACHE_USED",      SQLITE_STATUS_PAGECACHE_USED      },
    { "SQLITE_STATUS_PAGECACHE_OVERFLOW",  SQLITE_STATUS_PAGECACHE_OVERFLOW  },
    { "SQLITE_STATUS_PAGECACHE_SIZE",      SQLITE_STATUS_PAGECACHE_SIZE      },
    { "SQLITE_STATUS_SCRATCH_USED",        SQLITE_STATUS_SCRATCH_USED        },
    { "SQLITE_STATUS_SCRATCH_OVERFLOW",    SQLITE_STATUS_SCRATCH_OVERFLOW    },
    { "SQLITE_STATUS_SCRATCH_SIZE",        SQLITE_STATUS_SCRATCH_SIZE        },
    { "SQLITE_STATUS_PARSER_STACK",        SQLITE_STATUS_PARSER_STACK        },
    { "SQLITE_STATUS_MALLOC_COUNT",        SQLITE_STATUS_MALLOC_COUNT        },
  };
  Tcl_Obj *pResult;
  if( objc!=3 ){
    Tcl_WrongNumArgs(interp, 1, objv, "PARAMETER RESETFLAG");
    return TCL_ERROR;
  }
  zOpName = Tcl_GetString(objv[1]);

Changes to test/tester.tcl. 

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  if {$::cmdlinearg(binarylog)} {
    vfslog finalize binarylog
  }
  if {$sqlite_open_file_count} {
    puts "$sqlite_open_file_count files were left open"
    incr nErr
  }

  if {[sqlite3_memory_used]>0} {
    puts "Unfreed memory: [sqlite3_memory_used] bytes"

    incr nErr
    ifcapable memdebug||mem5||(mem3&&debug) {
      puts "Writing unfreed memory log to \"./memleak.txt\""
      sqlite3_memdebug_dump ./memleak.txt
    }
  } else {
    puts "All memory allocations freed - no leaks"
................................................................................
#
proc show_memstats {} {
  set x [sqlite3_status SQLITE_STATUS_MEMORY_USED 0]
  set y [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0]
  set val [format {now %10d  max %10d  max-size %10d} \
              [lindex $x 1] [lindex $x 2] [lindex $y 2]]
  puts "Memory used:          $val"



  set x [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0]
  set y [sqlite3_status SQLITE_STATUS_PAGECACHE_SIZE 0]
  set val [format {now %10d  max %10d  max-size %10d} \
              [lindex $x 1] [lindex $x 2] [lindex $y 2]]
  puts "Page-cache used:      $val"
  set x [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0]
  set val [format {now %10d  max %10d} [lindex $x 1] [lindex $x 2]]








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...
487
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  if {$::cmdlinearg(binarylog)} {
    vfslog finalize binarylog
  }
  if {$sqlite_open_file_count} {
    puts "$sqlite_open_file_count files were left open"
    incr nErr
  }
  if {[lindex [sqlite3_status SQLITE_STATUS_MALLOC_COUNT 0] 1]>0 ||
              [sqlite3_memory_used]>0} {
    puts "Unfreed memory: [sqlite3_memory_used] bytes in\
         [lindex [sqlite3_status SQLITE_STATUS_MALLOC_COUNT 0] 1] allocations"
    incr nErr
    ifcapable memdebug||mem5||(mem3&&debug) {
      puts "Writing unfreed memory log to \"./memleak.txt\""
      sqlite3_memdebug_dump ./memleak.txt
    }
  } else {
    puts "All memory allocations freed - no leaks"
................................................................................
#
proc show_memstats {} {
  set x [sqlite3_status SQLITE_STATUS_MEMORY_USED 0]
  set y [sqlite3_status SQLITE_STATUS_MALLOC_SIZE 0]
  set val [format {now %10d  max %10d  max-size %10d} \
              [lindex $x 1] [lindex $x 2] [lindex $y 2]]
  puts "Memory used:          $val"
  set x [sqlite3_status SQLITE_STATUS_MALLOC_COUNT 0]
  set val [format {now %10d  max %10d} [lindex $x 1] [lindex $x 2]]
  puts "Allocation count:     $val"
  set x [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0]
  set y [sqlite3_status SQLITE_STATUS_PAGECACHE_SIZE 0]
  set val [format {now %10d  max %10d  max-size %10d} \
              [lindex $x 1] [lindex $x 2] [lindex $y 2]]
  puts "Page-cache used:      $val"
  set x [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0]
  set val [format {now %10d  max %10d} [lindex $x 1] [lindex $x 2]]

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