1.1 --- a/extensions/sqlite/sqlite-source/mutex.h	Fri Mar 28 06:21:34 2008 +0000
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,82 +0,0 @@
     1.4 -/*
     1.5 -** 2007 August 28
     1.6 -**
     1.7 -** The author disclaims copyright to this source code.  In place of
     1.8 -** a legal notice, here is a blessing:
     1.9 -**
    1.10 -**    May you do good and not evil.
    1.11 -**    May you find forgiveness for yourself and forgive others.
    1.12 -**    May you share freely, never taking more than you give.
    1.13 -**
    1.14 -*************************************************************************
    1.15 -**
    1.16 -** This file contains the common header for all mutex implementations.
    1.17 -** The sqliteInt.h header #includes this file so that it is available
    1.18 -** to all source files.  We break it out in an effort to keep the code
    1.19 -** better organized.
    1.20 -**
    1.21 -** NOTE:  source files should *not* #include this header file directly.
    1.22 -** Source files should #include the sqliteInt.h file and let that file
    1.23 -** include this one indirectly.
    1.24 -**
    1.25 -** $Id$
    1.26 -*/
    1.27 -
    1.28 -
    1.29 -#ifdef SQLITE_MUTEX_APPDEF
    1.30 -/*
    1.31 -** If SQLITE_MUTEX_APPDEF is defined, then this whole module is
    1.32 -** omitted and equivalent functionality must be provided by the
    1.33 -** application that links against the SQLite library.
    1.34 -*/
    1.35 -#else
    1.36 -/*
    1.37 -** Figure out what version of the code to use.  The choices are
    1.38 -**
    1.39 -**   SQLITE_MUTEX_NOOP         For single-threaded applications that
    1.40 -**                             do not desire error checking.
    1.41 -**
    1.42 -**   SQLITE_MUTEX_NOOP_DEBUG   For single-threaded applications with
    1.43 -**                             error checking to help verify that mutexes
    1.44 -**                             are being used correctly even though they
    1.45 -**                             are not needed.  Used when SQLITE_DEBUG is
    1.46 -**                             defined on single-threaded builds.
    1.47 -**
    1.48 -**   SQLITE_MUTEX_PTHREADS     For multi-threaded applications on Unix.
    1.49 -**
    1.50 -**   SQLITE_MUTEX_W32          For multi-threaded applications on Win32.
    1.51 -**
    1.52 -**   SQLITE_MUTEX_OS2          For multi-threaded applications on OS/2.
    1.53 -*/
    1.54 -#define SQLITE_MUTEX_NOOP 1   /* The default */
    1.55 -#if defined(SQLITE_DEBUG) && !SQLITE_THREADSAFE
    1.56 -# undef SQLITE_MUTEX_NOOP
    1.57 -# define SQLITE_MUTEX_NOOP_DEBUG
    1.58 -#endif
    1.59 -#if defined(SQLITE_MUTEX_NOOP) && SQLITE_THREADSAFE && OS_UNIX
    1.60 -# undef SQLITE_MUTEX_NOOP
    1.61 -# define SQLITE_MUTEX_PTHREADS
    1.62 -#endif
    1.63 -#if defined(SQLITE_MUTEX_NOOP) && SQLITE_THREADSAFE && OS_WIN
    1.64 -# undef SQLITE_MUTEX_NOOP
    1.65 -# define SQLITE_MUTEX_W32
    1.66 -#endif
    1.67 -#if defined(SQLITE_MUTEX_NOOP) && SQLITE_THREADSAFE && OS_OS2
    1.68 -# undef SQLITE_MUTEX_NOOP
    1.69 -# define SQLITE_MUTEX_OS2
    1.70 -#endif
    1.71 -
    1.72 -#ifdef SQLITE_MUTEX_NOOP
    1.73 -/*
    1.74 -** If this is a no-op implementation, implement everything as macros.
    1.75 -*/
    1.76 -#define sqlite3_mutex_alloc(X)    ((sqlite3_mutex*)8)
    1.77 -#define sqlite3_mutex_free(X)
    1.78 -#define sqlite3_mutex_enter(X)
    1.79 -#define sqlite3_mutex_try(X)      SQLITE_OK
    1.80 -#define sqlite3_mutex_leave(X)
    1.81 -#define sqlite3_mutex_held(X)     1
    1.82 -#define sqlite3_mutex_notheld(X)  1
    1.83 -#endif
    1.84 -
    1.85 -#endif /* SQLITE_MUTEX_APPDEF */