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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/*
* <fcntl.h> wrapper functions.
*
* Authors:
* Jonathan Pryor (jonpryor@vt.edu)
*
* Copyright (C) 2004 Jonathan Pryor
*/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include "map.h"
#include "mph.h"
G_BEGIN_DECLS
struct Mono_Posix_Flock {
gint16 l_type;
gint16 l_whence;
mph_off_t l_start;
mph_off_t l_len;
mph_pid_t l_pid;
};
gint32
Mono_Posix_Syscall_fcntl (gint32 fd, gint32 cmd)
{
if (Mono_Posix_FromFcntlCommand (cmd, &cmd) == -1)
return -1;
return fcntl (fd, cmd);
}
gint32
Mono_Posix_Syscall_fcntl_arg (gint32 fd, gint32 cmd, gint64 arg)
{
long _arg;
gint32 _cmd;
mph_return_if_long_overflow (arg);
#ifdef F_NOTIFY
if (cmd == F_NOTIFY) {
int _argi;
if (Mono_Posix_FromDirectoryNotifyFlags (arg, &_argi) == -1) {
return -1;
}
_arg = _argi;
}
else
#endif
_arg = (long) arg;
if (Mono_Posix_FromFcntlCommand (cmd, &_cmd) == -1)
return -1;
return fcntl (fd, cmd, _arg);
}
gint32
Mono_Posix_Syscall_fcntl_lock (gint32 fd, gint32 cmd, struct Mono_Posix_Flock *lock)
{
struct flock _lock;
int r;
if (lock == NULL) {
errno = EFAULT;
return -1;
}
mph_return_if_off_t_overflow (lock->l_start);
mph_return_if_off_t_overflow (lock->l_len);
if (Mono_Posix_FromLockType (lock->l_type, &lock->l_type) == -1)
return -1;
_lock.l_type = lock->l_type;
_lock.l_whence = lock->l_whence;
_lock.l_start = lock->l_start;
_lock.l_len = lock->l_len;
_lock.l_pid = lock->l_pid;
r = fcntl (fd, cmd, &_lock);
if (Mono_Posix_ToLockType (_lock.l_type, &_lock.l_type) == -1)
r = -1;
lock->l_type = _lock.l_type;
lock->l_whence = _lock.l_whence;
lock->l_start = _lock.l_start;
lock->l_len = _lock.l_len;
lock->l_pid = _lock.l_pid;
return r;
}
gint32
Mono_Posix_Syscall_open (const char *pathname, gint32 flags)
{
if (Mono_Posix_FromOpenFlags (flags, &flags) == -1)
return -1;
return open (pathname, flags);
}
gint32
Mono_Posix_Syscall_open_mode (const char *pathname, gint32 flags, guint32 mode)
{
if (Mono_Posix_FromOpenFlags (flags, &flags) == -1)
return -1;
if (Mono_Posix_FromFilePermissions (mode, &mode) == -1)
return -1;
return open (pathname, flags, mode);
}
gint32
Mono_Posix_Syscall_creat (const char *pathname, guint32 mode)
{
if (Mono_Posix_FromFilePermissions (mode, &mode) == -1)
return -1;
return creat (pathname, mode);
}
#ifdef HAVE_POSIX_FADVISE
gint32
Mono_Posix_Syscall_posix_fadvise (gint32 fd, mph_off_t offset, mph_off_t len,
gint32 advice)
{
mph_return_if_off_t_overflow (offset);
mph_return_if_off_t_overflow (len);
if (Mono_Posix_FromPosixFadviseAdvice (advice, &advice) == -1)
return -1;
return posix_fadvise (fd, (off_t) offset, (off_t) len, advice);
}
#endif /* ndef HAVE_POSIX_FADVISE */
#ifdef HAVE_POSIX_FALLOCATE
gint32
Mono_Posix_Syscall_posix_fallocate (gint32 fd, mph_off_t offset, mph_size_t len)
{
mph_return_if_off_t_overflow (offset);
mph_return_if_size_t_overflow (len);
return posix_fallocate (fd, (off_t) offset, (size_t) len);
}
#endif /* ndef HAVE_POSIX_FALLOCATE */
G_END_DECLS
/*
* vim: noexpandtab
*/
|
