/* - mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=2:tabstop=2:smarttab: * * Copyright (C) 2008 MySQL * * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef DRIZZLED_INTERNAL_MY_SYS_H #define DRIZZLED_INTERNAL_MY_SYS_H #ifdef __cplusplus # include #else # include #endif #include #include "drizzled/internal/my_pthread.h" #include "drizzled/charset_info.h" /* for CHARSET_INFO */ #include #include "drizzled/typelib.h" #include "drizzled/internal/aio_result.h" #include "drizzled/memory/root.h" #include "drizzled/error.h" #ifndef errno /* did we already get it? */ #ifdef HAVE_ERRNO_AS_DEFINE #include /* errno is a define */ #else extern int errno; /* declare errno */ #endif #endif /* #ifndef errno */ #include #ifdef HAVE_SYS_MMAN_H #include #endif #include "drizzled/qsort_cmp.h" namespace drizzled { namespace internal { #ifndef MAP_NOSYNC #define MAP_NOSYNC 0 #endif #ifndef MAP_NORESERVE #define MAP_NORESERVE 0 /* For irix and AIX */ #endif /* EDQUOT is used only in 3 C files only in mysys/. If it does not exist on system, we set it to some value which can never happen. */ #ifndef EDQUOT #define EDQUOT (-1) #endif /* Sun Studio does not inject this into main namespace yet */ #if defined(__cplusplus) using std::FILE; #endif #define MY_INIT(name); { ::drizzled::internal::my_progname= name; ::drizzled::internal::my_init(); } /* General bitmaps for my_func's */ #define MY_FFNF 1 /* Fatal if file not found */ #define MY_FNABP 2 /* Fatal if not all bytes read/writen */ #define MY_NABP 4 /* Error if not all bytes read/writen */ #define MY_FAE 8 /* Fatal if any error */ #define MY_WME 16 /* Write message on error */ #define MY_WAIT_IF_FULL 32 /* Wait and try again if disk full error */ #define MY_IGNORE_BADFD 32 /* my_sync: ignore 'bad descriptor' errors */ #define MY_SYNC_DIR 1024 /* my_create/delete/rename: sync directory */ #define MY_FULL_IO 512 /* For my_read - loop intil I/O is complete */ #define MY_DONT_CHECK_FILESIZE 128 /* Option to init_io_cache() */ #define MY_LINK_WARNING 32 /* my_redel() gives warning if links */ #define MY_COPYTIME 64 /* my_redel() copys time */ #define MY_DELETE_OLD 256 /* my_create_with_symlink() */ #define MY_HOLD_ORIGINAL_MODES 128 /* my_copy() holds to file modes */ #define MY_REDEL_MAKE_BACKUP 256 #define MY_DONT_WAIT 64 /* my_lock() don't wait if can't lock */ #define MY_DONT_OVERWRITE_FILE 1024 /* my_copy: Don't overwrite file */ #define MY_THREADSAFE 2048 /* my_seek(): lock fd mutex */ #define ME_OLDWIN 2 /* Use old window */ #define ME_BELL 4 /* Ring bell then printing message */ #define ME_HOLDTANG 8 /* Don't delete last keys */ #define ME_WAITTANG 32 /* Wait for a user action */ #define ME_NOREFRESH 64 /* Dont refresh screen */ #define ME_NOINPUT 128 /* Dont use the input libary */ /* Bits in last argument to fn_format */ #define MY_REPLACE_DIR 1 /* replace dir in name with 'dir' */ #define MY_REPLACE_EXT 2 /* replace extension with 'ext' */ #define MY_UNPACK_FILENAME 4 /* Unpack name (~ -> home) */ #define MY_RESOLVE_SYMLINKS 16 /* Resolve all symbolic links */ #define MY_RETURN_REAL_PATH 32 /* return full path for file */ #define MY_SAFE_PATH 64 /* Return NULL if too long path */ #define MY_RELATIVE_PATH 128 /* name is relative to 'dir' */ #define MY_APPEND_EXT 256 /* add 'ext' as additional extension*/ /* Some constants */ #define MY_WAIT_FOR_USER_TO_FIX_PANIC 60 /* in seconds */ #define MY_WAIT_GIVE_USER_A_MESSAGE 10 /* Every 10 times of prev */ #define DFLT_INIT_HITS 3 /* Internal error numbers (for assembler functions) */ #define MY_ERRNO_EDOM 33 #define MY_ERRNO_ERANGE 34 /* Bits for get_date timeflag */ #define GETDATE_DATE_TIME 1 #define GETDATE_SHORT_DATE 2 #define GETDATE_HHMMSSTIME 4 #define GETDATE_GMT 8 #define GETDATE_FIXEDLENGTH 16 typedef uint64_t my_off_t; #define TRASH(A,B) /* nothing */ extern char *home_dir; /* Home directory for user */ extern const char *my_progname; /* program-name (printed in errors) */ extern uint32_t my_file_limit; /* statistics */ extern uint mysys_usage_id; extern bool my_init_done; /* Executed when comming from shell */ extern int my_umask, /* Default creation mask */ my_umask_dir, my_recived_signals, /* Signals we have got */ my_safe_to_handle_signal, /* Set when allowed to SIGTSTP */ my_dont_interrupt; /* call remember_intr when set */ extern bool mysys_uses_curses, my_use_symdir; extern uint32_t sf_malloc_cur_memory, sf_malloc_max_memory; extern uint32_t my_default_record_cache_size; extern bool my_disable_async_io, my_disable_flush_key_blocks, my_disable_symlinks; extern char wild_many, wild_one, wild_prefix; extern const char *charsets_dir; /* from default.c */ extern char *my_defaults_extra_file; extern const char *my_defaults_group_suffix; extern const char *my_defaults_file; extern bool timed_mutexes; typedef struct wild_file_pack /* Struct to hold info when selecting files */ { uint wilds; /* How many wildcards */ uint not_pos; /* Start of not-theese-files */ char * *wild; /* Pointer to wildcards */ } WF_PACK; enum cache_type { TYPE_NOT_SET= 0, READ_CACHE, WRITE_CACHE, READ_FIFO, READ_NET, WRITE_NET }; typedef struct st_record_cache /* Used when cacheing records */ { int file; int rc_seek,error,inited; uint rc_length,read_length,reclength; my_off_t rc_record_pos,end_of_file; unsigned char *rc_buff,*rc_buff2,*rc_pos,*rc_end,*rc_request_pos; #ifdef HAVE_AIOWAIT int use_async_io; my_aio_result aio_result; #endif enum cache_type type; } RECORD_CACHE; /* defines for mf_iocache */ /* Test if buffer is inited */ #define my_b_clear(info) (info)->buffer=0 #define my_b_inited(info) (info)->buffer #define my_b_EOF INT_MIN #define my_b_read(info,Buffer,Count) \ ((info)->read_pos + (Count) <= (info)->read_end ?\ (memcpy(Buffer,(info)->read_pos,(size_t) (Count)), \ ((info)->read_pos+=(Count)),0) :\ (*(info)->read_function)((info),Buffer,Count)) #define my_b_write(info,Buffer,Count) \ ((info)->write_pos + (Count) <=(info)->write_end ?\ (memcpy((info)->write_pos, (Buffer), (size_t)(Count)),\ ((info)->write_pos+=(Count)),0) : \ (*(info)->write_function)((info),(Buffer),(Count))) #define my_b_get(info) \ ((info)->read_pos != (info)->read_end ?\ ((info)->read_pos++, (int) (unsigned char) (info)->read_pos[-1]) :\ _my_b_get(info)) #define my_b_tell(info) ((info)->pos_in_file + \ (size_t) (*(info)->current_pos - (info)->request_pos)) #define my_b_bytes_in_cache(info) (size_t) (*(info)->current_end - \ *(info)->current_pos) typedef uint32_t ha_checksum; /* Define the type of function to be passed to process_default_option_files */ typedef int (*Process_option_func)(void *ctx, const char *group_name, const char *option); int handle_default_option(void *in_ctx, const char *group_name, const char *option); /* Prototypes for mysys and my_func functions */ extern int my_copy(const char *from,const char *to,myf MyFlags); extern int my_delete(const char *name,myf MyFlags); extern int my_open(const char *FileName,int Flags,myf MyFlags); extern int my_register_filename(int fd, const char *FileName, uint32_t error_message_number, myf MyFlags); extern int my_create(const char *FileName,int CreateFlags, int AccessFlags, myf MyFlags); extern int my_close(int Filedes,myf MyFlags); extern int my_mkdir(const char *dir, int Flags, myf MyFlags); extern int my_realpath(char *to, const char *filename, myf MyFlags); extern int my_create_with_symlink(const char *linkname, const char *filename, int createflags, int access_flags, myf MyFlags); extern int my_delete_with_symlink(const char *name, myf MyFlags); extern int my_rename_with_symlink(const char *from,const char *to,myf MyFlags); extern size_t my_read(int Filedes,unsigned char *Buffer,size_t Count,myf MyFlags); extern int my_rename(const char *from,const char *to,myf MyFlags); extern size_t my_write(int Filedes,const unsigned char *Buffer,size_t Count, myf MyFlags); extern int _sanity(const char *sFile, uint32_t uLine); extern int check_if_legal_filename(const char *path); extern int check_if_legal_tablename(const char *path); #define my_delete_allow_opened(fname,flags) my_delete((fname),(flags)) extern int my_sync(int fd, myf my_flags); extern int my_sync_dir(const char *dir_name, myf my_flags); extern int my_sync_dir_by_file(const char *file_name, myf my_flags); extern bool my_init(void); extern void my_end(void); extern int my_redel(const char *from, const char *to, int MyFlags); extern int my_copystat(const char *from, const char *to, int MyFlags); extern char * my_filename(int fd); extern void my_remember_signal(int signal_number,void (*func)(int)); extern size_t dirname_part(char * to,const char *name, size_t *to_res_length); extern size_t dirname_length(const char *name); #define base_name(A) (A+dirname_length(A)) bool test_if_hard_path(const char *dir_name); extern char *convert_dirname(char *to, const char *from, const char *from_end); extern char * fn_ext(const char *name); extern char * fn_same(char * toname,const char *name,int flag); extern char * fn_format(char * to,const char *name,const char *dir, const char *form, uint32_t flag); extern size_t strlength(const char *str); extern size_t unpack_dirname(char * to,const char *from); extern size_t unpack_filename(char * to,const char *from); extern char * intern_filename(char * to,const char *from); extern int pack_filename(char * to, const char *name, size_t max_length); extern char * my_load_path(char * to, const char *path, const char *own_path_prefix); extern int wild_compare(const char *str,const char *wildstr, bool str_is_pattern); extern WF_PACK *wf_comp(char * str); extern int wf_test(struct wild_file_pack *wf_pack,const char *name); extern void wf_end(struct wild_file_pack *buffer); extern bool array_append_string_unique(const char *str, const char **array, size_t size); extern void get_date(char * to,int timeflag,time_t use_time); extern int init_record_cache(RECORD_CACHE *info,size_t cachesize,int file, size_t reclength,enum cache_type type, bool use_async_io); extern int read_cache_record(RECORD_CACHE *info,unsigned char *to); extern int end_record_cache(RECORD_CACHE *info); extern int write_cache_record(RECORD_CACHE *info,my_off_t filepos, const unsigned char *record,size_t length); extern int flush_write_cache(RECORD_CACHE *info); extern void sigtstp_handler(int signal_number); extern void handle_recived_signals(void); extern void my_set_alarm_variable(int signo); extern void my_string_ptr_sort(unsigned char *base,uint32_t items,size_t size); extern void radixsort_for_str_ptr(unsigned char* base[], uint32_t number_of_elements, size_t size_of_element,unsigned char *buffer[]); extern void my_qsort(void *base_ptr, size_t total_elems, size_t size, qsort_cmp cmp); extern void my_qsort2(void *base_ptr, size_t total_elems, size_t size, qsort2_cmp cmp, void *cmp_argument); extern qsort2_cmp get_ptr_compare(size_t); void my_store_ptr(unsigned char *buff, size_t pack_length, my_off_t pos); my_off_t my_get_ptr(unsigned char *ptr, size_t pack_length); int create_temp_file(char *to, const char *dir, const char *pfx, myf MyFlags); extern int get_defaults_options(int argc, char **argv, char **defaults, char **extra_defaults, char **group_suffix); extern int load_defaults(const char *conf_file, const char **groups, int *argc, char ***argv); extern int my_search_option_files(const char *conf_file, int *argc, char ***argv, uint32_t *args_used, Process_option_func func, void *func_ctx); extern void free_defaults(char **argv); extern void my_print_default_files(const char *conf_file); extern void print_defaults(const char *conf_file, const char **groups); extern ha_checksum my_checksum(ha_checksum crc, const unsigned char *mem, size_t count); extern void my_sleep(uint32_t m_seconds); extern void thd_increment_bytes_sent(uint32_t length); extern void thd_increment_bytes_received(uint32_t length); extern void thd_increment_net_big_packet_count(uint32_t length); } /* namespace internal */ } /* namespace drizzled */ #endif /* DRIZZLED_INTERNAL_MY_SYS_H */