• branch=trunk inherited from [704b122e53]
• sym-trunk inherited from [704b122e53]

Changes to ext/async/README.txt

    1  NOTE (2012-11-29):                                                                     1  NOTE (2012-11-29):
    2                                                                                         2  
    3  The functionality implemented by this extension has been superceded              |     3  The functionality implemented by this extension has been superseded
    4  by WAL-mode.  This module is no longer supported or maintained.  The                   4  by WAL-mode.  This module is no longer supported or maintained.  The
    5  code is retained for historical reference only.                                        5  code is retained for historical reference only.
    6                                                                                         6  
    7  ------------------------------------------------------------------------------         7  ------------------------------------------------------------------------------
    8                                                                                         8  
    9  Normally, when SQLite writes to a database file, it waits until the write              9  Normally, when SQLite writes to a database file, it waits until the write
   10  operation is finished before returning control to the calling application.            10  operation is finished before returning control to the calling application.

Changes to ext/async/sqlite3async.h

   71  /*                                                                                    71  /*
   72  ** This function unregisters the asynchronous IO VFS using                            72  ** This function unregisters the asynchronous IO VFS using
   73  ** sqlite3_vfs_unregister().                                                          73  ** sqlite3_vfs_unregister().
   74  **                                                                                    74  **
   75  ** On win32 platforms, this function also releases the small number of                75  ** On win32 platforms, this function also releases the small number of
   76  ** critical section and event objects created by sqlite3async_initialize().           76  ** critical section and event objects created by sqlite3async_initialize().
   77  */                                                                                    77  */
   78  void sqlite3async_shutdown();                                                    |    78  void sqlite3async_shutdown(void);
   79                                                                                        79  
   80  /*                                                                                    80  /*
   81  ** This function may only be called when the asynchronous IO VFS is                   81  ** This function may only be called when the asynchronous IO VFS is
   82  ** installed (after a call to sqlite3async_initialize()). It processes                82  ** installed (after a call to sqlite3async_initialize()). It processes
   83  ** zero or more queued write operations before returning. It is expected              83  ** zero or more queued write operations before returning. It is expected
   84  ** (but not required) that this function will be called by a different                84  ** (but not required) that this function will be called by a different
   85  ** thread than those threads that use SQLite. The "background thread"                 85  ** thread than those threads that use SQLite. The "background thread"
................................................................................................................................................................................

   90  ** verb to sqlite3async_control() (see below for details). By default                 90  ** verb to sqlite3async_control() (see below for details). By default
   91  ** this function never returns - it processes all pending operations and              91  ** this function never returns - it processes all pending operations and
   92  ** then blocks waiting for new ones.                                                  92  ** then blocks waiting for new ones.
   93  **                                                                                    93  **
   94  ** If multiple simultaneous calls are made to sqlite3async_run() from two             94  ** If multiple simultaneous calls are made to sqlite3async_run() from two
   95  ** or more threads, then the calls are serialized internally.                         95  ** or more threads, then the calls are serialized internally.
   96  */                                                                                    96  */
   97  void sqlite3async_run();                                                         |    97  void sqlite3async_run(void);
   98                                                                                        98  
   99  /*                                                                                    99  /*
  100  ** This function may only be called when the asynchronous IO VFS is                  100  ** This function may only be called when the asynchronous IO VFS is
  101  ** installed (after a call to sqlite3async_initialize()). It is used                 101  ** installed (after a call to sqlite3async_initialize()). It is used
  102  ** to query or configure various parameters that affect the operation                102  ** to query or configure various parameters that affect the operation
  103  ** of the asynchronous IO VFS. At present there are three parameters                 103  ** of the asynchronous IO VFS. At present there are three parameters
  104  ** supported:                                                                        104  ** supported: