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/* Copyright (C) 2000 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#include "mysys_priv.h"
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#include "mysys_err.h"
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FileName Fully qualified file name
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File my_open(const char *FileName, int Flags, myf MyFlags)
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/* Path-name of file */
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DBUG_ENTER("my_open");
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DBUG_PRINT("my",("Name: '%s' Flags: %d MyFlags: %d",
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FileName, Flags, MyFlags));
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#if !defined(NO_OPEN_3)
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fd = open(FileName, Flags, my_umask); /* Normal unix */
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fd = open((char *) FileName, Flags);
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DBUG_RETURN(my_register_filename(fd, FileName, FILE_BY_OPEN,
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EE_FILENOTFOUND, MyFlags));
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int my_close(File fd, myf MyFlags)
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DBUG_ENTER("my_close");
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DBUG_PRINT("my",("fd: %d MyFlags: %d",fd, MyFlags));
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pthread_mutex_lock(&THR_LOCK_open);
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} while (err == -1 && errno == EINTR);
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DBUG_PRINT("error",("Got error %d on close",err));
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if (MyFlags & (MY_FAE | MY_WME))
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my_error(EE_BADCLOSE, MYF(ME_BELL+ME_WAITTANG),my_filename(fd),errno);
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if ((uint) fd < my_file_limit && my_file_info[fd].type != UNOPEN)
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my_free(my_file_info[fd].name, MYF(0));
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#if defined(THREAD) && !defined(HAVE_PREAD)
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pthread_mutex_destroy(&my_file_info[fd].mutex);
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my_file_info[fd].type = UNOPEN;
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pthread_mutex_unlock(&THR_LOCK_open);
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Register file in my_file_info[]
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my_register_filename()
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fd File number opened, -1 if error on open
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type_file_type How file was created
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error_message_number Error message number if caller got error (fd == -1)
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MyFlags Flags for my_close()
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File my_register_filename(File fd, const char *FileName, enum file_type
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type_of_file, uint error_message_number, myf MyFlags)
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DBUG_ENTER("my_register_filename");
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if ((uint) fd >= my_file_limit)
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#if defined(THREAD) && !defined(HAVE_PREAD)
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thread_safe_increment(my_file_opened,&THR_LOCK_open);
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DBUG_RETURN(fd); /* safeguard */
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pthread_mutex_lock(&THR_LOCK_open);
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if ((my_file_info[fd].name = (char*) my_strdup(FileName,MyFlags)))
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my_file_total_opened++;
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my_file_info[fd].type = type_of_file;
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#if defined(THREAD) && !defined(HAVE_PREAD)
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pthread_mutex_init(&my_file_info[fd].mutex,MY_MUTEX_INIT_FAST);
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pthread_mutex_unlock(&THR_LOCK_open);
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DBUG_PRINT("exit",("fd: %d",fd));
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pthread_mutex_unlock(&THR_LOCK_open);
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(void) my_close(fd, MyFlags);
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DBUG_PRINT("error",("Got error %d on open", my_errno));
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if (MyFlags & (MY_FFNF | MY_FAE | MY_WME))
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if (my_errno == EMFILE)
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error_message_number= EE_OUT_OF_FILERESOURCES;
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DBUG_PRINT("error",("print err: %d",error_message_number));
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my_error(error_message_number, MYF(ME_BELL+ME_WAITTANG),
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void my_print_open_files(void)
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if (my_file_opened | my_stream_opened)
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for (i= 0 ; i < my_file_limit ; i++)
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if (my_file_info[i].type != UNOPEN)
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fprintf(stderr, EE(EE_FILE_NOT_CLOSED), my_file_info[i].name, i);