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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QNET_UNIX_P_H
#define QNET_UNIX_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of Qt code on Unix. This header file may change from version to
// version to version without notice, or even be removed.
//
// We mean it.
//
#include "private/qcore_unix_p.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#if defined(Q_OS_VXWORKS)
# include <sockLib.h>
#endif
// for inet_addr
#include <netdb.h>
#include <arpa/inet.h>
#if defined(Q_OS_VXWORKS)
# include <hostLib.h>
#else
# include <resolv.h>
#endif
QT_BEGIN_NAMESPACE
// Almost always the same. If not, specify in qplatformdefs.h.
#if !defined(QT_SOCKOPTLEN_T)
# define QT_SOCKOPTLEN_T QT_SOCKLEN_T
#endif
// UnixWare 7 redefines socket -> _socket
static inline int qt_safe_socket(int domain, int type, int protocol, int flags = 0)
{
Q_ASSERT((flags & ~O_NONBLOCK) == 0);
register int fd;
#ifdef SOCK_CLOEXEC
int newtype = type | SOCK_CLOEXEC;
if (flags & O_NONBLOCK)
newtype |= SOCK_NONBLOCK;
fd = ::socket(domain, newtype, protocol);
if (fd != -1 || errno != EINVAL)
return fd;
#endif
fd = ::socket(domain, type, protocol);
if (fd == -1)
return -1;
::fcntl(fd, F_SETFD, FD_CLOEXEC);
// set non-block too?
if (flags & O_NONBLOCK)
::fcntl(fd, F_SETFL, ::fcntl(fd, F_GETFL) | O_NONBLOCK);
return fd;
}
// Tru64 redefines accept -> _accept with _XOPEN_SOURCE_EXTENDED
static inline int qt_safe_accept(int s, struct sockaddr *addr, QT_SOCKLEN_T *addrlen, int flags = 0)
{
Q_ASSERT((flags & ~O_NONBLOCK) == 0);
register int fd;
#if QT_UNIX_SUPPORTS_THREADSAFE_CLOEXEC && defined(SOCK_CLOEXEC) && defined(SOCK_NONBLOCK)
// use accept4
int sockflags = SOCK_CLOEXEC;
if (flags & O_NONBLOCK)
sockflags |= SOCK_NONBLOCK;
fd = ::accept4(s, addr, static_cast<QT_SOCKLEN_T *>(addrlen), sockflags);
if (fd != -1 || !(errno == ENOSYS || errno == EINVAL))
return fd;
#endif
fd = ::accept(s, addr, static_cast<QT_SOCKLEN_T *>(addrlen));
if (fd == -1)
return -1;
::fcntl(fd, F_SETFD, FD_CLOEXEC);
// set non-block too?
if (flags & O_NONBLOCK)
::fcntl(fd, F_SETFL, ::fcntl(fd, F_GETFL) | O_NONBLOCK);
return fd;
}
// UnixWare 7 redefines listen -> _listen
static inline int qt_safe_listen(int s, int backlog)
{
return ::listen(s, backlog);
}
static inline int qt_safe_connect(int sockfd, const struct sockaddr *addr, QT_SOCKLEN_T addrlen)
{
register int ret;
// Solaris e.g. expects a non-const 2nd parameter
EINTR_LOOP(ret, QT_SOCKET_CONNECT(sockfd, const_cast<struct sockaddr *>(addr), addrlen));
return ret;
}
#undef QT_SOCKET_CONNECT
#define QT_SOCKET_CONNECT qt_safe_connect
#if defined(socket)
# undef socket
#endif
#if defined(accept)
# undef accept
#endif
#if defined(listen)
# undef listen
#endif
// VxWorks' headers specify 'int' instead of '...' for the 3rd ioctl() parameter.
template <typename T>
static inline int qt_safe_ioctl(int sockfd, int request, T arg)
{
#ifdef Q_OS_VXWORKS
return ::ioctl(sockfd, request, (int) arg);
#else
return ::ioctl(sockfd, request, arg);
#endif
}
// VxWorks' headers do not specify any const modifiers
static inline in_addr_t qt_safe_inet_addr(const char *cp)
{
#ifdef Q_OS_VXWORKS
return ::inet_addr((char *) cp);
#else
return ::inet_addr(cp);
#endif
}
// VxWorks' headers do not specify any const modifiers
static inline int qt_safe_sendto(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *to, QT_SOCKLEN_T tolen)
{
#ifdef MSG_NOSIGNAL
flags |= MSG_NOSIGNAL;
#endif
register int ret;
#ifdef Q_OS_VXWORKS
EINTR_LOOP(ret, ::sendto(sockfd, (char *) buf, len, flags, (struct sockaddr *) to, tolen));
#else
EINTR_LOOP(ret, ::sendto(sockfd, buf, len, flags, to, tolen));
#endif
return ret;
}
QT_END_NAMESPACE
#endif // QNET_UNIX_P_H
|
