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Overview
Comment:Fix a missing forward declaration that is needed when SQLITE_PREFER_PROXY_LOCKING is defined. (CVS 5972)
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SHA1: 24235300b3f64f0396e1016afbe31aec9ea69b62
User & Date: drh 2008-12-03 22:48:33.000
Context
2008-12-03
23:23
Allow the entire FROM clause of a SELECT statement to be in parentheses. (CVS 5973) (check-in: 72ebc8cbe0 user: drh tags: trunk)
22:48
Fix a missing forward declaration that is needed when SQLITE_PREFER_PROXY_LOCKING is defined. (CVS 5972) (check-in: 24235300b3 user: drh tags: trunk)
22:32
Reorganize the proxy-locking method in os_unix.c. Additional cleanup. (CVS 5971) (check-in: 31f6090e22 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/os_unix.c.
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**   *  Definitions of sqlite3_io_methods objects for all locking
**      methods plus "finder" functions for each locking method.
**   *  sqlite3_vfs method implementations.
**   *  Locking primitives for the proxy uber-locking-method. (MacOSX only)
**   *  Definitions of sqlite3_vfs objects for all locking methods
**      plus implementations of sqlite3_os_init() and sqlite3_os_end().
**
** $Id: os_unix.c,v 1.227 2008/12/03 22:32:45 drh Exp $
*/
#include "sqliteInt.h"
#if SQLITE_OS_UNIX              /* This file is used on unix only */

/*
** There are various methods for file locking used for concurrency
** control:








|








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**   *  Definitions of sqlite3_io_methods objects for all locking
**      methods plus "finder" functions for each locking method.
**   *  sqlite3_vfs method implementations.
**   *  Locking primitives for the proxy uber-locking-method. (MacOSX only)
**   *  Definitions of sqlite3_vfs objects for all locking methods
**      plus implementations of sqlite3_os_init() and sqlite3_os_end().
**
** $Id: os_unix.c,v 1.228 2008/12/03 22:48:33 drh Exp $
*/
#include "sqliteInt.h"
#if SQLITE_OS_UNIX              /* This file is used on unix only */

/*
** There are various methods for file locking used for concurrency
** control:
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      zBuf[j] = (char)zChars[ ((unsigned char)zBuf[j])%(sizeof(zChars)-1) ];
    }
    zBuf[j] = 0;
  }while( access(zBuf,0)==0 );
  return SQLITE_OK;
}









/*
** Open the file zPath.
** 
** Previously, the SQLite OS layer used three functions in place of this
** one:
**








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      zBuf[j] = (char)zChars[ ((unsigned char)zBuf[j])%(sizeof(zChars)-1) ];
    }
    zBuf[j] = 0;
  }while( access(zBuf,0)==0 );
  return SQLITE_OK;
}

/*
** Routine to transform a unixFile into a proxy-locking unixFile.
** Implementation in the proxy-lock division, but used by unixOpen()
** if SQLITE_PREFER_PROXY_LOCKING is defined.
*/
static int proxyTransformUnixFile(unixFile*, const char*);


/*
** Open the file zPath.
** 
** Previously, the SQLite OS layer used three functions in place of this
** one:
**
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