diff options
Diffstat (limited to 'myisammrg/myrg_panic.c')
-rw-r--r-- | myisammrg/myrg_panic.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/myisammrg/myrg_panic.c b/myisammrg/myrg_panic.c new file mode 100644 index 00000000000..8b6169c896b --- /dev/null +++ b/myisammrg/myrg_panic.c @@ -0,0 +1,47 @@ +/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult 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 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 */ + +#include "mymrgdef.h" + + /* if flag == HA_PANIC_CLOSE then all misam files are closed */ + /* if flag == HA_PANIC_WRITE then all misam files are unlocked and + all changed data in single user misam is written to file */ + /* if flag == HA_PANIC_READ then all misam files that was locked when + mi_panic(HA_PANIC_WRITE) was done is locked. A mi_readinfo() is + done for all single user files to get changes in database */ + + +int myrg_panic(flag) +enum ha_panic_function flag; +{ + int error=0; + LIST *list_element,*next_open; + MYRG_INFO *info; + DBUG_ENTER("myrg_panic"); + + for (list_element=myrg_open_list ; list_element ; list_element=next_open) + { + next_open=list_element->next; /* Save if close */ + info=(MYRG_INFO*) list_element->data; + if (flag == HA_PANIC_CLOSE && myrg_close(info)) + error=my_errno; + } + if (myrg_open_list && flag != HA_PANIC_CLOSE) + DBUG_RETURN(mi_panic(flag)); + if (error) + my_errno=error; + DBUG_RETURN(error); +} |