diff options
Diffstat (limited to 'deps/mysqllite/mysys/my_open.c')
| -rw-r--r-- | deps/mysqllite/mysys/my_open.c | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/deps/mysqllite/mysys/my_open.c b/deps/mysqllite/mysys/my_open.c deleted file mode 100644 index 2aef97b3e3..0000000000 --- a/deps/mysqllite/mysys/my_open.c +++ /dev/null @@ -1,192 +0,0 @@ -/* Copyright (C) 2000 MySQL AB, 2008-2009 Sun Microsystems, Inc - - 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -#include "mysys_priv.h" -#include "mysys_err.h" -#include <my_dir.h> -#include <errno.h> - - -/* - Open a file - - SYNOPSIS - my_open() - FileName Fully qualified file name - Flags Read | write - MyFlags Special flags - - RETURN VALUE - File descriptor -*/ - -File my_open(const char *FileName, int Flags, myf MyFlags) - /* Path-name of file */ - /* Read | write .. */ - /* Special flags */ -{ - File fd; - DBUG_ENTER("my_open"); - DBUG_PRINT("my",("Name: '%s' Flags: %d MyFlags: %d", - FileName, Flags, MyFlags)); -#if defined(_WIN32) - fd= my_win_open(FileName, Flags); -#elif !defined(NO_OPEN_3) - fd = open(FileName, Flags, my_umask); /* Normal unix */ -#else - fd = open((char *) FileName, Flags); -#endif - - DBUG_RETURN(my_register_filename(fd, FileName, FILE_BY_OPEN, - EE_FILENOTFOUND, MyFlags)); -} /* my_open */ - - -/* - Close a file - - SYNOPSIS - my_close() - fd File sescriptor - myf Special Flags - -*/ - -int my_close(File fd, myf MyFlags) -{ - int err; - DBUG_ENTER("my_close"); - DBUG_PRINT("my",("fd: %d MyFlags: %d",fd, MyFlags)); - - mysql_mutex_lock(&THR_LOCK_open); -#ifndef _WIN32 - do - { - err= close(fd); - } while (err == -1 && errno == EINTR); -#else - err= my_win_close(fd); -#endif - if (err) - { - DBUG_PRINT("error",("Got error %d on close",err)); - my_errno=errno; - if (MyFlags & (MY_FAE | MY_WME)) - my_error(EE_BADCLOSE, MYF(ME_BELL+ME_WAITTANG),my_filename(fd),errno); - } - if ((uint) fd < my_file_limit && my_file_info[fd].type != UNOPEN) - { - my_free(my_file_info[fd].name); -#if !defined(HAVE_PREAD) && !defined(_WIN32) - mysql_mutex_destroy(&my_file_info[fd].mutex); -#endif - my_file_info[fd].type = UNOPEN; - } - my_file_opened--; - mysql_mutex_unlock(&THR_LOCK_open); - DBUG_RETURN(err); -} /* my_close */ - - -/* - Register file in my_file_info[] - - SYNOPSIS - my_register_filename() - fd File number opened, -1 if error on open - FileName File name - type_file_type How file was created - error_message_number Error message number if caller got error (fd == -1) - MyFlags Flags for my_close() - - RETURN - -1 error - # Filenumber - -*/ - -File my_register_filename(File fd, const char *FileName, enum file_type - type_of_file, uint error_message_number, myf MyFlags) -{ - DBUG_ENTER("my_register_filename"); - if ((int) fd >= MY_FILE_MIN) - { - if ((uint) fd >= my_file_limit) - { -#if !defined(HAVE_PREAD) - my_errno= EMFILE; -#else - thread_safe_increment(my_file_opened,&THR_LOCK_open); - DBUG_RETURN(fd); /* safeguard */ -#endif - } - else - { - mysql_mutex_lock(&THR_LOCK_open); - if ((my_file_info[fd].name = (char*) my_strdup(FileName,MyFlags))) - { - my_file_opened++; - my_file_total_opened++; - my_file_info[fd].type = type_of_file; -#if !defined(HAVE_PREAD) && !defined(_WIN32) - mysql_mutex_init(key_my_file_info_mutex, &my_file_info[fd].mutex, - MY_MUTEX_INIT_FAST); -#endif - mysql_mutex_unlock(&THR_LOCK_open); - DBUG_PRINT("exit",("fd: %d",fd)); - DBUG_RETURN(fd); - } - mysql_mutex_unlock(&THR_LOCK_open); - my_errno= ENOMEM; - } - (void) my_close(fd, MyFlags); - } - else - my_errno= errno; - - DBUG_PRINT("error",("Got error %d on open", my_errno)); - if (MyFlags & (MY_FFNF | MY_FAE | MY_WME)) - { - if (my_errno == EMFILE) - error_message_number= EE_OUT_OF_FILERESOURCES; - DBUG_PRINT("error",("print err: %d",error_message_number)); - my_error(error_message_number, MYF(ME_BELL+ME_WAITTANG), - FileName, my_errno); - } - DBUG_RETURN(-1); -} - - - - -#ifdef EXTRA_DEBUG - -void my_print_open_files(void) -{ - if (my_file_opened | my_stream_opened) - { - uint i; - for (i= 0 ; i < my_file_limit ; i++) - { - if (my_file_info[i].type != UNOPEN) - { - fprintf(stderr, EE(EE_FILE_NOT_CLOSED), my_file_info[i].name, i); - fputc('\n', stderr); - } - } - } -} - -#endif |