qnet_unix_p.h File Reference

#include "private/qcore_unix_p.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <resolv.h>

Go to the source code of this file.

Macros
#define	QT_SOCKET_CONNECT   qt_safe_connect
#define	QT_SOCKOPTLEN_T   QT_SOCKLEN_T

Functions
static int	qt_safe_accept (int s, struct sockaddr *addr, QT_SOCKLEN_T *addrlen, int flags=0)
static int	qt_safe_connect (int sockfd, const struct sockaddr *addr, QT_SOCKLEN_T addrlen)
static in_addr_t	qt_safe_inet_addr (const char *cp)
template<typename T >
static int	qt_safe_ioctl (int sockfd, int request, T arg)
static int	qt_safe_listen (int s, int backlog)
static int	qt_safe_sendto (int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *to, QT_SOCKLEN_T tolen)
static int	qt_safe_socket (int domain, int type, int protocol, int flags=0)

Macro Definition Documentation

QT_SOCKET_CONNECT

#define QT_SOCKET_CONNECT   qt_safe_connect

Definition at line 153 of file qnet_unix_p.h.

Referenced by qt_safe_connect().

QT_SOCKOPTLEN_T

#define QT_SOCKOPTLEN_T   QT_SOCKLEN_T

Definition at line 79 of file qnet_unix_p.h.

Function Documentation

qt_safe_accept()

static int qt_safe_accept ( int  s, struct sockaddr *  addr, QT_SOCKLEN_T *  addrlen, int  flags = 0  )

inlinestatic

Definition at line 111 of file qnet_unix_p.h.

Referenced by QNativeSocketEnginePrivate::nativeAccept().

{
    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;
}

qt_safe_connect()

static int qt_safe_connect ( int  sockfd, const struct sockaddr *  addr, QT_SOCKLEN_T  addrlen  )

inlinestatic

Definition at line 145 of file qnet_unix_p.h.

Referenced by QNativeSocketEnginePrivate::nativeConnect().

{
    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;
}

qt_safe_inet_addr()

static in_addr_t qt_safe_inet_addr ( const char *  cp )

inlinestatic

Definition at line 177 of file qnet_unix_p.h.

Referenced by QHostInfoAgent::fromName().

{
#ifdef Q_OS_VXWORKS
    return ::inet_addr((char *) cp);
#else
    return ::inet_addr(cp);
#endif
}

qt_safe_ioctl()

template<typename T >

static int qt_safe_ioctl ( int  sockfd, int  request, T  arg  )

inlinestatic

Definition at line 167 of file qnet_unix_p.h.

Referenced by convertFlags(), QNativeSocketEnginePrivate::nativeBytesAvailable(), and QNativeSocketEnginePrivate::setOption().

{
#ifdef Q_OS_VXWORKS
    return ::ioctl(sockfd, request, (int) arg);
#else
    return ::ioctl(sockfd, request, arg);
#endif
}

qt_safe_listen()

static int qt_safe_listen ( int  s, int  backlog  )

inlinestatic

Definition at line 140 of file qnet_unix_p.h.

Referenced by QNativeSocketEnginePrivate::nativeListen().

{
    return ::listen(s, backlog);
}

qt_safe_sendto()

static int qt_safe_sendto ( int  sockfd, const void *  buf, size_t  len, int  flags, const struct sockaddr *  to, QT_SOCKLEN_T  tolen  )

inlinestatic

Definition at line 187 of file qnet_unix_p.h.

Referenced by QNativeSocketEnginePrivate::nativeSendDatagram().

{
#ifdef MSG_NOSIGNAL
    flags |= MSG_NOSIGNAL;
#else
    qt_ignore_sigpipe();
#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_safe_socket()

static int qt_safe_socket ( int  domain, int  type, int  protocol, int  flags = 0  )

inlinestatic

Definition at line 83 of file qnet_unix_p.h.

Referenced by convertFlags(), QNativeSocketEnginePrivate::createNewSocket(), and interfaceListing().

{
    Q_ASSERT((flags & ~O_NONBLOCK) == 0);

    register int fd;
#if defined(SOCK_CLOEXEC) && defined(SOCK_NONBLOCK)
    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;
}