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Overview
Comment:Merge Win32 native heap support into trunk.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 5238a74987507f27af4080e2842f53e049b5b111
User & Date: mistachkin 2011-08-26 11:18:44
Context
2011-08-26
11:25
Update compiler error message regarding the choice of memory allocator defines. check-in: 1dada515 user: mistachkin tags: trunk
11:18
Merge Win32 native heap support into trunk. check-in: 5238a749 user: mistachkin tags: trunk
05:40
In the MSVC makefile, allow symbols to be enabled without NDEBUG defined. Also, for the win32lock test, make sure the database is closed prior to shutdown. Closed-Leaf check-in: 5ed7633d user: mistachkin tags: winNativeHeap
00:34
Create a new pager type, PAGER_SORTER, for use in the external merge sort. Such pagers are always held in memory but do report when they are under memory pressure by calling pagerStress. check-in: c71d7320 user: drh tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to Makefile.msc.

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# that contains this "Makefile.msc".
#
TOP = .

# Set this non-0 to create and use the SQLite amalgamation file.
#
USE_AMALGAMATION = 1


















# Version numbers and release number for the SQLite being compiled.
#
VERSION = 3.7
VERSION_NUMBER = 3007007
RELEASE = 3.7.7

# C Compiler and options for use in building executables that
# will run on the platform that is doing the build.
#
BCC = cl.exe -O2

# C Compile and options for use in building executables that
# will run on the target platform.  (BCC and TCC are usually the
# same unless your are cross-compiling.)
#
TCC = cl.exe -W3 -O2 -DSQLITE_OS_WIN=1 -I. -I$(TOP)\src -fp:precise

# The mksqlite3c.tcl and mksqlite3h.tcl scripts will pull in 
# any extension header files by default.  For non-amalgamation
# builds, we need to make sure the compiler can find these.
#
!IF $(USE_AMALGAMATION)==0
TCC = $(TCC) -I$(TOP)\ext\fts3
................................................................................
TCC = $(TCC) -I$(TOP)\ext\rtree
!ENDIF

# Define -DNDEBUG to compile without debugging (i.e., for production usage)
# Omitting the define will cause extra debugging code to be inserted and
# includes extra comments when "EXPLAIN stmt" is used.
#

TCC = $(TCC) -DNDEBUG














#
# Prevent warnings about "insecure" runtime library functions being used.
#
TCC = $(TCC) -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS













# The locations of the Tcl header and library files.  Also, the library that
# non-stubs enabled programs using Tcl must link against.  These variables
# (TCLINCDIR, TCLLIBDIR, and LIBTCL) may be overridden via the environment
# prior to running nmake in order to match the actual installed location and
# version on this machine.
#
!if "$(TCLINCDIR)" == ""
................................................................................
# END required Windows option

TCC = $(TCC) $(OPT_FEATURE_FLAGS)

# Add in any optional parameters specified on the make commane line
# ie.  make "OPTS=-DSQLITE_ENABLE_FOO=1 -DSQLITE_OMIT_FOO=1".
TCC = $(TCC) $(OPTS)













# libtool compile/link
LTCOMPILE = $(TCC) -Fo$@
LTLIB = lib.exe
LTLINK = $(TCC) -Fe$@

# If a platform was set, force the linker to target that.
................................................................................
# Note that the vcvars*.bat family of batch files typically
# set this for you.  Otherwise, the linker will attempt
# to deduce the binary type based on the object files.
!IF "$(PLATFORM)"!=""
LTLINKOPTS = /MACHINE:$(PLATFORM)
LTLIBOPTS = /MACHINE:$(PLATFORM)
!ENDIF






# nawk compatible awk.
NAWK = gawk.exe

# You should not have to change anything below this line
###############################################################################








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# that contains this "Makefile.msc".
#
TOP = .

# Set this non-0 to create and use the SQLite amalgamation file.
#
USE_AMALGAMATION = 1

# Set this to non-0 to create and use PDBs.
#
SYMBOLS = 1

# Set this to one of the following values to enable various debugging
# features.  Each level includes the debugging options from the previous
# levels.  Currently, the recognized values for DEBUG are:
#
# 0 == NDEBUG: Disables assert() and other runtime diagnostics.
# 1 == Disables NDEBUG and all optimizations and then enables PDBs.
# 2 == SQLITE_DEBUG: Enables various diagnostics messages and code.
# 3 == SQLITE_WIN32_MALLOC_VALIDATE: Validate the Win32 native heap per call.
# 4 == SQLITE_DEBUG_OS_TRACE: Enables output from the OSTRACE() macros.
# 5 == SQLITE_ENABLE_IOTRACE: Enables output from the IOTRACE() macros.
#
DEBUG = 0

# Version numbers and release number for the SQLite being compiled.
#
VERSION = 3.7
VERSION_NUMBER = 3007007
RELEASE = 3.7.7

# C Compiler and options for use in building executables that
# will run on the platform that is doing the build.
#
BCC = cl.exe

# C Compile and options for use in building executables that
# will run on the target platform.  (BCC and TCC are usually the
# same unless your are cross-compiling.)
#
TCC = cl.exe -W3 -DSQLITE_OS_WIN=1 -I. -I$(TOP)\src -fp:precise

# The mksqlite3c.tcl and mksqlite3h.tcl scripts will pull in 
# any extension header files by default.  For non-amalgamation
# builds, we need to make sure the compiler can find these.
#
!IF $(USE_AMALGAMATION)==0
TCC = $(TCC) -I$(TOP)\ext\fts3
................................................................................
TCC = $(TCC) -I$(TOP)\ext\rtree
!ENDIF

# Define -DNDEBUG to compile without debugging (i.e., for production usage)
# Omitting the define will cause extra debugging code to be inserted and
# includes extra comments when "EXPLAIN stmt" is used.
#
!IF $(DEBUG)==0
TCC = $(TCC) -DNDEBUG
!ENDIF

!IF $(DEBUG)>1
TCC = $(TCC) -DSQLITE_DEBUG
!ENDIF

!IF $(DEBUG)>3
TCC = $(TCC) -DSQLITE_DEBUG_OS_TRACE=1
!ENDIF

!IF $(DEBUG)>4
TCC = $(TCC) -DSQLITE_ENABLE_IOTRACE
!ENDIF

#
# Prevent warnings about "insecure" runtime library functions being used.
#
TCC = $(TCC) -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS

#
# Use native Win32 heap instead of malloc/free?
#
# TCC = $(TCC) -DSQLITE_WIN32_MALLOC=1

#
# Validate the heap on every call into the native Win32 heap subsystem?
#
!IF $(DEBUG)>2
TCC = $(TCC) -DSQLITE_WIN32_MALLOC_VALIDATE=1
!ENDIF

# The locations of the Tcl header and library files.  Also, the library that
# non-stubs enabled programs using Tcl must link against.  These variables
# (TCLINCDIR, TCLLIBDIR, and LIBTCL) may be overridden via the environment
# prior to running nmake in order to match the actual installed location and
# version on this machine.
#
!if "$(TCLINCDIR)" == ""
................................................................................
# END required Windows option

TCC = $(TCC) $(OPT_FEATURE_FLAGS)

# Add in any optional parameters specified on the make commane line
# ie.  make "OPTS=-DSQLITE_ENABLE_FOO=1 -DSQLITE_OMIT_FOO=1".
TCC = $(TCC) $(OPTS)

# If symbols are enabled, enable PDBs.
# If debugging is enabled, disable all optimizations and enable PDBs.
!IF $(DEBUG)>0
TCC = $(TCC) -Od -D_DEBUG
!ELSE
TCC = $(TCC) -O2
!ENDIF

!IF $(DEBUG)>0 || $(SYMBOLS)!=0
TCC = $(TCC) -Zi
!ENDIF

# libtool compile/link
LTCOMPILE = $(TCC) -Fo$@
LTLIB = lib.exe
LTLINK = $(TCC) -Fe$@

# If a platform was set, force the linker to target that.
................................................................................
# Note that the vcvars*.bat family of batch files typically
# set this for you.  Otherwise, the linker will attempt
# to deduce the binary type based on the object files.
!IF "$(PLATFORM)"!=""
LTLINKOPTS = /MACHINE:$(PLATFORM)
LTLIBOPTS = /MACHINE:$(PLATFORM)
!ENDIF

# If debugging is enabled, enable PDBs.
!IF $(DEBUG)>0 || $(SYMBOLS)!=0
LTLINKOPTS = $(LTLINKOPTS) /DEBUG
!ENDIF

# nawk compatible awk.
NAWK = gawk.exe

# You should not have to change anything below this line
###############################################################################

Changes to src/os_win.c.

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  HANDLE hMutex;          /* Mutex used to control access to shared lock */  
  HANDLE hShared;         /* Shared memory segment used for locking */
  winceLock local;        /* Locks obtained by this instance of winFile */
  winceLock *shared;      /* Global shared lock memory for the file  */
#endif
};








































































/*
** Forward prototypes.
*/
static int getSectorSize(
    sqlite3_vfs *pVfs,
    const char *zRelative     /* UTF-8 file name */
................................................................................
      GetVersionEx(&sInfo);
      sqlite3_os_type = sInfo.dwPlatformId==VER_PLATFORM_WIN32_NT ? 2 : 1;
    }
    return sqlite3_os_type==2;
  }
#endif /* SQLITE_OS_WINCE */























































































































































































/*
** Convert a UTF-8 string to microsoft unicode (UTF-16?). 
**
** Space to hold the returned string is obtained from malloc.
*/
static WCHAR *utf8ToUnicode(const char *zFilename){
  int nChar;







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  HANDLE hMutex;          /* Mutex used to control access to shared lock */  
  HANDLE hShared;         /* Shared memory segment used for locking */
  winceLock local;        /* Locks obtained by this instance of winFile */
  winceLock *shared;      /* Global shared lock memory for the file  */
#endif
};

/*
 * If compiled with SQLITE_WIN32_MALLOC on Windows, we will use the
 * various Win32 API heap functions instead of our own.
 */
#ifdef SQLITE_WIN32_MALLOC
/*
 * The initial size of the Win32-specific heap.  This value may be zero.
 */
#ifndef SQLITE_WIN32_HEAP_INIT_SIZE
#  define SQLITE_WIN32_HEAP_INIT_SIZE ((SQLITE_DEFAULT_CACHE_SIZE) * \
                                       (SQLITE_DEFAULT_PAGE_SIZE) + 4194304)
#endif

/*
 * The maximum size of the Win32-specific heap.  This value may be zero.
 */
#ifndef SQLITE_WIN32_HEAP_MAX_SIZE
#  define SQLITE_WIN32_HEAP_MAX_SIZE  (0)
#endif

/*
 * The extra flags to use in calls to the Win32 heap APIs.  This value may be
 * zero for the default behavior.
 */
#ifndef SQLITE_WIN32_HEAP_FLAGS
#  define SQLITE_WIN32_HEAP_FLAGS     (0)
#endif

/*
** The winMemData structure stores information required by the Win32-specific
** sqlite3_mem_methods implementation.
*/
typedef struct winMemData winMemData;
struct winMemData {
#ifndef NDEBUG
  u32 magic;    /* Magic number to detect structure corruption. */
#endif
  HANDLE hHeap; /* The handle to our heap. */
  BOOL bOwned;  /* Do we own the heap (i.e. destroy it on shutdown)? */
};

#ifndef NDEBUG
#define WINMEM_MAGIC     0x42b2830b
#endif

static struct winMemData win_mem_data = {
#ifndef NDEBUG
  WINMEM_MAGIC,
#endif
  NULL, FALSE
};

#ifndef NDEBUG
#define winMemAssertMagic() assert( win_mem_data.magic==WINMEM_MAGIC )
#else
#define winMemAssertMagic()
#endif

#define winMemGetHeap() win_mem_data.hHeap

static void *winMemMalloc(int nBytes);
static void winMemFree(void *pPrior);
static void *winMemRealloc(void *pPrior, int nBytes);
static int winMemSize(void *p);
static int winMemRoundup(int n);
static int winMemInit(void *pAppData);
static void winMemShutdown(void *pAppData);

const sqlite3_mem_methods *sqlite3MemGetWin32(void);
#endif /* SQLITE_WIN32_MALLOC */

/*
** Forward prototypes.
*/
static int getSectorSize(
    sqlite3_vfs *pVfs,
    const char *zRelative     /* UTF-8 file name */
................................................................................
      GetVersionEx(&sInfo);
      sqlite3_os_type = sInfo.dwPlatformId==VER_PLATFORM_WIN32_NT ? 2 : 1;
    }
    return sqlite3_os_type==2;
  }
#endif /* SQLITE_OS_WINCE */

#ifdef SQLITE_WIN32_MALLOC
/*
** Allocate nBytes of memory.
*/
static void *winMemMalloc(int nBytes){
  HANDLE hHeap;
  void *p;

  winMemAssertMagic();
  hHeap = winMemGetHeap();
  assert( hHeap!=0 );
  assert( hHeap!=INVALID_HANDLE_VALUE );
#ifdef SQLITE_WIN32_MALLOC_VALIDATE
  assert ( HeapValidate(hHeap, SQLITE_WIN32_HEAP_FLAGS, NULL) );
#endif
  assert( nBytes>=0 );
  p = HeapAlloc(hHeap, SQLITE_WIN32_HEAP_FLAGS, (SIZE_T)nBytes);
  if( !p ){
    sqlite3_log(SQLITE_NOMEM, "failed to HeapAlloc %u bytes (%d), heap=%p",
        nBytes, GetLastError(), (void*)hHeap);
  }
  return p;
}

/*
** Free memory.
*/
static void winMemFree(void *pPrior){
  HANDLE hHeap;

  winMemAssertMagic();
  hHeap = winMemGetHeap();
  assert( hHeap!=0 );
  assert( hHeap!=INVALID_HANDLE_VALUE );
#ifdef SQLITE_WIN32_MALLOC_VALIDATE
  assert ( HeapValidate(hHeap, SQLITE_WIN32_HEAP_FLAGS, pPrior) );
#endif
  if( !pPrior ) return; /* Passing NULL to HeapFree is undefined. */
  if( !HeapFree(hHeap, SQLITE_WIN32_HEAP_FLAGS, pPrior) ){
    sqlite3_log(SQLITE_NOMEM, "failed to HeapFree block %p (%d), heap=%p",
        pPrior, GetLastError(), (void*)hHeap);
  }
}

/*
** Change the size of an existing memory allocation
*/
static void *winMemRealloc(void *pPrior, int nBytes){
  HANDLE hHeap;
  void *p;

  winMemAssertMagic();
  hHeap = winMemGetHeap();
  assert( hHeap!=0 );
  assert( hHeap!=INVALID_HANDLE_VALUE );
#ifdef SQLITE_WIN32_MALLOC_VALIDATE
  assert ( HeapValidate(hHeap, SQLITE_WIN32_HEAP_FLAGS, pPrior) );
#endif
  assert( nBytes>=0 );
  if( !pPrior ){
    p = HeapAlloc(hHeap, SQLITE_WIN32_HEAP_FLAGS, (SIZE_T)nBytes);
  }else{
    p = HeapReAlloc(hHeap, SQLITE_WIN32_HEAP_FLAGS, pPrior, (SIZE_T)nBytes);
  }
  if( !p ){
    sqlite3_log(SQLITE_NOMEM, "failed to %s %u bytes (%d), heap=%p",
        pPrior ? "HeapReAlloc" : "HeapAlloc", nBytes, GetLastError(),
        (void*)hHeap);
  }
  return p;
}

/*
** Return the size of an outstanding allocation, in bytes.
*/
static int winMemSize(void *p){
  HANDLE hHeap;
  SIZE_T n;

  winMemAssertMagic();
  hHeap = winMemGetHeap();
  assert( hHeap!=0 );
  assert( hHeap!=INVALID_HANDLE_VALUE );
#ifdef SQLITE_WIN32_MALLOC_VALIDATE
  assert ( HeapValidate(hHeap, SQLITE_WIN32_HEAP_FLAGS, NULL) );
#endif
  if( !p ) return 0;
  n = HeapSize(hHeap, SQLITE_WIN32_HEAP_FLAGS, p);
  if( n==(SIZE_T)-1 ){
    sqlite3_log(SQLITE_NOMEM, "failed to HeapSize block %p (%d), heap=%p",
        p, GetLastError(), (void*)hHeap);
    return 0;
  }
  return (int)n;
}

/*
** Round up a request size to the next valid allocation size.
*/
static int winMemRoundup(int n){
  return n;
}

/*
** Initialize this module.
*/
static int winMemInit(void *pAppData){
  winMemData *pWinMemData = (winMemData *)pAppData;

  if( !pWinMemData ) return SQLITE_ERROR;
  assert( pWinMemData->magic==WINMEM_MAGIC );
  if( !pWinMemData->hHeap ){
    pWinMemData->hHeap = HeapCreate(SQLITE_WIN32_HEAP_FLAGS,
                                    SQLITE_WIN32_HEAP_INIT_SIZE,
                                    SQLITE_WIN32_HEAP_MAX_SIZE);
    if( !pWinMemData->hHeap ){
      sqlite3_log(SQLITE_NOMEM,
          "failed to HeapCreate (%d), flags=%u, initSize=%u, maxSize=%u",
          GetLastError(), SQLITE_WIN32_HEAP_FLAGS, SQLITE_WIN32_HEAP_INIT_SIZE,
          SQLITE_WIN32_HEAP_MAX_SIZE);
      return SQLITE_NOMEM;
    }
    pWinMemData->bOwned = TRUE;
  }
  assert( pWinMemData->hHeap!=0 );
  assert( pWinMemData->hHeap!=INVALID_HANDLE_VALUE );
#ifdef SQLITE_WIN32_MALLOC_VALIDATE
  assert( HeapValidate(pWinMemData->hHeap, SQLITE_WIN32_HEAP_FLAGS, NULL) );
#endif
  return SQLITE_OK;
}

/*
** Deinitialize this module.
*/
static void winMemShutdown(void *pAppData){
  winMemData *pWinMemData = (winMemData *)pAppData;

  if( !pWinMemData ) return;
  if( pWinMemData->hHeap ){
    assert( pWinMemData->hHeap!=INVALID_HANDLE_VALUE );
#ifdef SQLITE_WIN32_MALLOC_VALIDATE
    assert( HeapValidate(pWinMemData->hHeap, SQLITE_WIN32_HEAP_FLAGS, NULL) );
#endif
    if( pWinMemData->bOwned ){
      if( !HeapDestroy(pWinMemData->hHeap) ){
        sqlite3_log(SQLITE_NOMEM, "failed to HeapDestroy (%d), heap=%p",
            GetLastError(), (void*)pWinMemData->hHeap);
      }
      pWinMemData->bOwned = FALSE;
    }
    pWinMemData->hHeap = NULL;
  }
}

/*
** Populate the low-level memory allocation function pointers in
** sqlite3GlobalConfig.m with pointers to the routines in this file. The
** arguments specify the block of memory to manage.
**
** This routine is only called by sqlite3_config(), and therefore
** is not required to be threadsafe (it is not).
*/
const sqlite3_mem_methods *sqlite3MemGetWin32(void){
  static const sqlite3_mem_methods winMemMethods = {
    winMemMalloc,
    winMemFree,
    winMemRealloc,
    winMemSize,
    winMemRoundup,
    winMemInit,
    winMemShutdown,
    &win_mem_data
  };
  return &winMemMethods;
}

void sqlite3MemSetDefault(void){
  sqlite3_config(SQLITE_CONFIG_MALLOC, sqlite3MemGetWin32());
}
#endif /* SQLITE_WIN32_MALLOC */

/*
** Convert a UTF-8 string to microsoft unicode (UTF-16?). 
**
** Space to hold the returned string is obtained from malloc.
*/
static WCHAR *utf8ToUnicode(const char *zFilename){
  int nChar;

Changes to src/sqliteInt.h.

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#endif

/*
** Exactly one of the following macros must be defined in order to
** specify which memory allocation subsystem to use.
**
**     SQLITE_SYSTEM_MALLOC          // Use normal system malloc()

**     SQLITE_MEMDEBUG               // Debugging version of system malloc()





**
** (Historical note:  There used to be several other options, but we've
** pared it down to just these two.)
**
** If none of the above are defined, then set SQLITE_SYSTEM_MALLOC as
** the default.
*/
#if defined(SQLITE_SYSTEM_MALLOC)+defined(SQLITE_MEMDEBUG)>1
# error "At most one of the following compile-time configuration options\
 is allows: SQLITE_SYSTEM_MALLOC, SQLITE_MEMDEBUG"
#endif
#if defined(SQLITE_SYSTEM_MALLOC)+defined(SQLITE_MEMDEBUG)==0
# define SQLITE_SYSTEM_MALLOC 1
#endif

/*
** If SQLITE_MALLOC_SOFT_LIMIT is not zero, then try to keep the
** sizes of memory allocations below this value where possible.
*/







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#endif

/*
** Exactly one of the following macros must be defined in order to
** specify which memory allocation subsystem to use.
**
**     SQLITE_SYSTEM_MALLOC          // Use normal system malloc()
**     SQLITE_WIN32_MALLOC           // Use Win32 native heap API
**     SQLITE_MEMDEBUG               // Debugging version of system malloc()
**
** On Windows, if the SQLITE_WIN32_MALLOC_VALIDATE macro is defined and the
** assert() macro is enabled, each call into the Win32 native heap subsystem
** will cause HeapValidate to be called.  If heap validation should fail, an
** assertion will be triggered.
**
** (Historical note:  There used to be several other options, but we've
** pared it down to just these two.)
**
** If none of the above are defined, then set SQLITE_SYSTEM_MALLOC as
** the default.
*/
#if defined(SQLITE_SYSTEM_MALLOC)+defined(SQLITE_WIN32_MALLOC)+defined(SQLITE_MEMDEBUG)>1
# error "At most one of the following compile-time configuration options\
 is allows: SQLITE_SYSTEM_MALLOC, SQLITE_MEMDEBUG"
#endif
#if defined(SQLITE_SYSTEM_MALLOC)+defined(SQLITE_WIN32_MALLOC)+defined(SQLITE_MEMDEBUG)==0
# define SQLITE_SYSTEM_MALLOC 1
#endif

/*
** If SQLITE_MALLOC_SOFT_LIMIT is not zero, then try to keep the
** sizes of memory allocations below this value where possible.
*/

Changes to test/win32lock.test.

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...
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        regsub {\d+} $::log # x
        set x
      } {{delayed #ms for lock/sharing conflict}}
    }
  }
  if {[llength $win32_lock_ok] && [llength $win32_lock_error]} break
  incr delay1 25




  sqlite3_sleep 10
}

do_test win32lock-2.0 {
  file_control_win32_av_retry db -1 -1
} {0 10 25}
do_test win32lock-2.1 {
................................................................................
        regsub {\d+} $::log # x
        set x
      } {{delayed #ms for lock/sharing conflict}}
    }
  }
  if {[llength $win32_lock_ok] && [llength $win32_lock_error]} break
  incr delay1 1




  sqlite3_sleep 10
}

file_control_win32_av_retry db 10 25
sqlite3_test_control_pending_byte $old_pending_byte

sqlite3_shutdown
test_sqlite3_log 
sqlite3_initialize
finish_test







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        regsub {\d+} $::log # x
        set x
      } {{delayed #ms for lock/sharing conflict}}
    }
  }
  if {[llength $win32_lock_ok] && [llength $win32_lock_error]} break
  incr delay1 25
  if {$delay1 > 12500} {
    puts "Timed out waiting for \"ok\" and \"error\" results."
    break
  }
  sqlite3_sleep 10
}

do_test win32lock-2.0 {
  file_control_win32_av_retry db -1 -1
} {0 10 25}
do_test win32lock-2.1 {
................................................................................
        regsub {\d+} $::log # x
        set x
      } {{delayed #ms for lock/sharing conflict}}
    }
  }
  if {[llength $win32_lock_ok] && [llength $win32_lock_error]} break
  incr delay1 1
  if {$delay1 > 500} {
    puts "Timed out waiting for \"ok\" and \"error\" results."
    break
  }
  sqlite3_sleep 10
}

file_control_win32_av_retry db 10 25
sqlite3_test_control_pending_byte $old_pending_byte
db close
sqlite3_shutdown
test_sqlite3_log 
sqlite3_initialize
finish_test