~drizzle-trunk/drizzle/development

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/* 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 */

#include "config.h"

#include "drizzled/internal/my_sys.h"
#include "drizzled/error.h"

#include <fcntl.h>

#include <cerrno>
#include <cstdlib>
#include <cstring>


namespace drizzled
{
namespace internal
{

/*
  Open a file

  SYNOPSIS
    my_open()
      FileName	Fully qualified file name
      Flags	Read | write
      MyFlags	Special flags

  RETURN VALUE
    int descriptor
*/

int my_open(const char *FileName, int Flags, myf MyFlags)
				/* Path-name of file */
				/* Read | write .. */
				/* Special flags */
{
  int fd;

#if !defined(NO_OPEN_3)
  fd = open(FileName, Flags, my_umask);	/* Normal unix */
#else
  fd = open((char *) FileName, Flags);
#endif

  return(my_register_filename(fd, FileName, EE_FILENOTFOUND, MyFlags));
} /* my_open */


/*
  Close a file

  SYNOPSIS
    my_close()
      fd	File sescriptor
      myf	Special Flags

*/

int my_close(int fd, myf MyFlags)
{
  int err;

  do
  {
    err= close(fd);
  } while (err == -1 && errno == EINTR);

  if (err)
  {
    errno=errno;
    if (MyFlags & (MY_FAE | MY_WME))
      my_error(EE_BADCLOSE, MYF(ME_BELL+ME_WAITTANG), "unknown", errno);
  }

  return(err);
} /* my_close */


/*
  TODO: Get rid of

  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

*/

int my_register_filename(int fd, const char *FileName, uint32_t error_message_number, myf MyFlags)
{
  if ((int) fd >= 0)
  {
    return fd;
  }
  else
    errno= errno;

  if (MyFlags & (MY_FFNF | MY_FAE | MY_WME))
  {
    if (errno == EMFILE)
      error_message_number= EE_OUT_OF_FILERESOURCES;
    my_error(static_cast<drizzled::error_t>(error_message_number), MYF(ME_BELL+ME_WAITTANG),
             FileName, errno);
  }
  return -1;
}

} /* namespace internal */
} /* namespace drizzled */