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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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 <QtNetwork/private/qtnetworkglobal_p.h>
#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
static inline int qt_safe_socket(int domain, int type, int protocol, int flags = 0)
{
Q_ASSERT((flags & ~O_NONBLOCK) == 0);
int fd;
#ifdef QT_THREADSAFE_CLOEXEC
int newtype = type | SOCK_CLOEXEC;
if (flags & O_NONBLOCK)
newtype |= SOCK_NONBLOCK;
fd = ::socket(domain, newtype, protocol);
return fd;
#else
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;
#endif
}
static inline int qt_safe_accept(int s, struct sockaddr *addr, QT_SOCKLEN_T *addrlen, int flags = 0)
{
Q_ASSERT((flags & ~O_NONBLOCK) == 0);
int fd;
#ifdef QT_THREADSAFE_CLOEXEC
// use accept4
int sockflags = SOCK_CLOEXEC;
if (flags & O_NONBLOCK)
sockflags |= SOCK_NONBLOCK;
# if defined(Q_OS_NETBSD)
fd = ::paccept(s, addr, static_cast<QT_SOCKLEN_T *>(addrlen), NULL, sockflags);
# else
fd = ::accept4(s, addr, static_cast<QT_SOCKLEN_T *>(addrlen), sockflags);
# endif
return fd;
#else
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;
#endif
}
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)
{
int ret;
// Solaris e.g. expects a non-const 2nd parameter
QT_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
template <typename T>
static inline int qt_safe_ioctl(int sockfd, unsigned long request, T arg)
{
return ::ioctl(sockfd, request, arg);
}
static inline int qt_safe_sendmsg(int sockfd, const struct msghdr *msg, int flags)
{
#ifdef MSG_NOSIGNAL
flags |= MSG_NOSIGNAL;
#else
qt_ignore_sigpipe();
#endif
int ret;
QT_EINTR_LOOP(ret, ::sendmsg(sockfd, msg, flags));
return ret;
}
static inline int qt_safe_recvmsg(int sockfd, struct msghdr *msg, int flags)
{
int ret;
QT_EINTR_LOOP(ret, ::recvmsg(sockfd, msg, flags));
return ret;
}
QT_END_NAMESPACE
#endif // QNET_UNIX_P_H
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