diff options
Diffstat (limited to 'mysys/my_static.h')
| -rw-r--r-- | mysys/my_static.h | 60 |
1 files changed, 32 insertions, 28 deletions
diff --git a/mysys/my_static.h b/mysys/my_static.h index e139b0ec127..1a33bcf21f3 100644 --- a/mysys/my_static.h +++ b/mysys/my_static.h @@ -1,19 +1,18 @@ -/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, +/* Copyright (C) 2000 MySQL AB + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with this library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, - MA 02111-1307, USA */ + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* Static variables for mysys library. All definied here for easy making of @@ -33,20 +32,25 @@ struct st_remember { sig_handler (*func)(int number); }; -struct irem { - struct remember *_pNext; /* Linked list of structures */ - struct remember *_pPrev; /* Other link */ - my_string _sFileName; /* File in which memory was new'ed */ - uint _uLineNum; /* Line number in above file */ - uint _uDataSize; /* Size requested */ - long _lSpecialValue; /* Underrun marker value */ -}; +/* + Structure that stores information of a allocated memory block + The data is at &struct_adr+sizeof(ALIGN_SIZE(sizeof(struct irem))) + The lspecialvalue is at the previous 4 bytes from this, which may not + necessarily be in the struct if the struct size isn't aligned at a 8 byte + boundary. +*/ -struct remember { - struct irem tInt; - char aData[1]; +struct st_irem +{ + struct st_irem *next; /* Linked list of structures */ + struct st_irem *prev; /* Other link */ + char *filename; /* File in which memory was new'ed */ + uint32 linenum; /* Line number in above file */ + uint32 datasize; /* Size requested */ + uint32 SpecialValue; /* Underrun marker value */ }; + extern char NEAR curr_dir[FN_REFLEN],NEAR home_dir_buff[FN_REFLEN]; extern volatile int _my_signals; @@ -62,8 +66,8 @@ extern int _my_tempnam_used; #endif extern byte *sf_min_adress,*sf_max_adress; -extern uint cNewCount; -extern struct remember *pRememberRoot; +extern uint sf_malloc_count; +extern struct st_irem *sf_malloc_root; #if defined(THREAD) && !defined(__WIN__) extern sigset_t my_signals; /* signals blocked by mf_brkhant */ |