/* 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; version 2 of the License. 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /* Static variables for mysys library. All definied here for easy making of a shared library */ #pragma once #include #define MAX_SIGNALS 10 /* Max signals under a dont-allow */ #define MIN_KEYBLOCK (min(IO_SIZE,1024)) #define MAX_KEYBLOCK 8192 /* Max keyblocklength == 8*IO_SIZE */ #define MAX_BLOCK_TYPES MAX_KEYBLOCK/MIN_KEYBLOCK namespace drizzled { namespace internal { /* 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. */ class irem { public: irem *next; /* Linked list of structures */ irem *prev; /* Other link */ char *filename; /* File in which memory was new'ed */ uint32_t linenum; /* Line number in above file */ uint32_t datasize; /* Size requested */ uint32_t SpecialValue; /* Underrun marker value */ irem(): next(NULL), prev(NULL), filename(0), linenum(0), datasize(0), SpecialValue(0) {} }; extern char curr_dir[FN_REFLEN], home_dir_buff[FN_REFLEN]; extern volatile int _my_signals; extern uint64_t query_performance_frequency, query_performance_offset; extern sigset_t my_signals; /* signals blocked by mf_brkhant */ } /* namespace internal */ } /* namespace drizzled */