00001 /***************************************************************************** 00002 00003 Copyright (C) 1996, 2009, Innobase Oy. All Rights Reserved. 00004 00005 This program is free software; you can redistribute it and/or modify it under 00006 the terms of the GNU General Public License as published by the Free Software 00007 Foundation; version 2 of the License. 00008 00009 This program is distributed in the hope that it will be useful, but WITHOUT 00010 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00011 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. 00012 00013 You should have received a copy of the GNU General Public License along with 00014 this program; if not, write to the Free Software Foundation, Inc., 51 Franklin 00015 St, Fifth Floor, Boston, MA 02110-1301 USA 00016 00017 *****************************************************************************/ 00018 00019 /**************************************************/ 00026 #include "usr0sess.h" 00027 00028 #ifdef UNIV_NONINL 00029 #include "usr0sess.ic" 00030 #endif 00031 00032 #include "trx0trx.h" 00033 00034 /*********************************************************************/ 00037 UNIV_INTERN 00038 sess_t* 00039 sess_open(void) 00040 /*===========*/ 00041 { 00042 sess_t* sess; 00043 00044 ut_ad(mutex_own(&kernel_mutex)); 00045 00046 sess = static_cast<sess_t *>(mem_alloc(sizeof(sess_t))); 00047 00048 sess->state = SESS_ACTIVE; 00049 00050 sess->trx = trx_create(sess); 00051 00052 UT_LIST_INIT(sess->graphs); 00053 00054 return(sess); 00055 } 00056 00057 /*********************************************************************/ 00059 UNIV_INTERN 00060 void 00061 sess_close( 00062 /*=======*/ 00063 sess_t* sess) 00064 { 00065 ut_ad(!mutex_own(&kernel_mutex)); 00066 00067 ut_a(UT_LIST_GET_LEN(sess->graphs) == 0); 00068 00069 trx_free_for_background(sess->trx); 00070 mem_free(sess); 00071 }