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Viewing changes to plugin/innobase/include/buf0rea.h

  • Committer: Brian Aker
  • Date: 2010-10-20 20:25:52 UTC
  • mto: (1864.2.1 merge)
  • mto: This revision was merged to the branch mainline in revision 1865.
  • Revision ID: brian@tangent.org-20101020202552-51y5sz5ledoxbp7t
Add support for --with-valgrind

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plugin/innobase/include/buf0rea.h
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
 
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this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
 
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St, Fifth Floor, Boston, MA 02110-1301 USA
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*****************************************************************************/
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High-level function which reads a page asynchronously from a file to the
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buffer buf_pool if it is not already there. Sets the io_fix flag and sets
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an exclusive lock on the buffer frame. The flag is cleared and the x-lock
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released by the i/o-handler thread. Does a random read-ahead if it seems
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sensible.
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@return number of page read requests issued: this can be greater than
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1 if read-ahead occurred */
 
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released by the i/o-handler thread.
 
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@return TRUE if page has been read in, FALSE in case of failure */
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UNIV_INTERN
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ulint
 
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ibool
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buf_read_page(
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/*==========*/
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        ulint   space,  /*!< in: space id */