#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
+#include <sys/poll.h>
#ifdef HAVE_SYS_FILIO_H
#include <sys/filio.h> /* defines FIONBIO and FIONREAD */
#endif
#include <signal.h>
#endif
-#ifndef PLATFORM_WIN32
-#ifdef HAVE_AIO_H
-#include <aio.h>
-#define USE_AIO 1
-#elif defined(HAVE_SYS_AIO_H)
-#include <sys/aio.h>
-#define USE_AIO 1
-#else
-#undef USE_AIO
-#endif
-#endif
-
#include <mono/io-layer/wapi.h>
#include <mono/io-layer/wapi-private.h>
#include <mono/io-layer/socket-private.h>
#undef DEBUG
static guint32 startup_count=0;
-static GPtrArray *sockets=NULL;
-static pthread_key_t error_key;
-static mono_once_t error_key_once=MONO_ONCE_INIT;
-static void socket_close (gpointer handle);
+static void socket_close (gpointer handle, gpointer data);
struct _WapiHandleOps _wapi_socket_ops = {
socket_close, /* close */
NULL, /* signal */
NULL, /* own */
NULL, /* is_owned */
+ NULL, /* special_wait */
+ NULL /* prewait */
};
static mono_once_t socket_ops_once=MONO_ONCE_INIT;
/* No capabilities to register */
}
-static void socket_close (gpointer handle)
+static void socket_close (gpointer handle, gpointer data G_GNUC_UNUSED)
{
int ret;
return;
}
- g_ptr_array_remove_fast (sockets, handle);
-
+ /* Shutdown the socket for reading, to interrupt any potential
+ * receives that may be blocking for data. See bug 75705.
+ */
+ shutdown (GPOINTER_TO_UINT (handle), SHUT_RD);
+
do {
ret = close (GPOINTER_TO_UINT(handle));
} while (ret == -1 && errno == EINTR &&
return(WSAVERNOTSUPPORTED);
}
- if (startup_count == 0) {
- sockets = g_ptr_array_new();
- }
-
startup_count++;
/* I've no idea what is the minor version of the spec I read */
- data->wHighVersion = MAKEWORD(2,0);
+ data->wHighVersion = MAKEWORD(2,2);
data->wVersion = requested < data->wHighVersion? requested:
data->wHighVersion;
return(0);
}
+static gboolean
+cleanup_close (gpointer handle, gpointer data)
+{
+ _wapi_handle_ops_close (handle, NULL);
+ return TRUE;
+}
+
int WSACleanup(void)
{
- guint32 i;
-
#ifdef DEBUG
g_message ("%s: cleaning up", __func__);
#endif
/* Do nothing */
return(0);
}
-
- /* Close down all sockets */
- for (i = 0; i < sockets->len; i++) {
- gpointer handle;
-
- handle = g_ptr_array_index (sockets, i);
- _wapi_handle_ops_close (handle);
- }
- g_ptr_array_free (sockets, FALSE);
- sockets = NULL;
-
+ _wapi_handle_foreach (WAPI_HANDLE_SOCKET, cleanup_close, NULL);
return(0);
}
-static void error_init(void)
-{
- int ret;
-
- ret = pthread_key_create (&error_key, NULL);
- g_assert (ret == 0);
-}
-
void WSASetLastError(int error)
{
- int ret;
-
- mono_once (&error_key_once, error_init);
- ret = pthread_setspecific (error_key, GINT_TO_POINTER(error));
- g_assert (ret == 0);
+ SetLastError (error);
}
int WSAGetLastError(void)
{
- int err;
- void *errptr;
-
- mono_once (&error_key_once, error_init);
- errptr = pthread_getspecific (error_key);
- err = GPOINTER_TO_INT(errptr);
-
- return(err);
+ return(GetLastError ());
}
int closesocket(guint32 fd)
{
gpointer handle = GUINT_TO_POINTER (fd);
gpointer new_handle;
+ struct _WapiHandle_socket *socket_handle;
+ struct _WapiHandle_socket new_socket_handle = {0};
+ gboolean ok;
int new_fd;
if (startup_count == 0) {
WSASetLastError (WSANOTINITIALISED);
return(INVALID_SOCKET);
}
+
+ if (addr != NULL && *addrlen < sizeof(struct sockaddr)) {
+ WSASetLastError (WSAEFAULT);
+ return(INVALID_SOCKET);
+ }
if (_wapi_handle_type (handle) != WAPI_HANDLE_SOCKET) {
WSASetLastError (WSAENOTSOCK);
return(INVALID_SOCKET);
}
+ ok = _wapi_lookup_handle (handle, WAPI_HANDLE_SOCKET,
+ (gpointer *)&socket_handle);
+ if (ok == FALSE) {
+ g_warning ("%s: error looking up socket handle %p",
+ __func__, handle);
+ WSASetLastError (WSAENOTSOCK);
+ return(INVALID_SOCKET);
+ }
+
do {
new_fd = accept (fd, addr, addrlen);
} while (new_fd == -1 && errno == EINTR &&
return(INVALID_SOCKET);
}
- new_handle = _wapi_handle_new_fd (WAPI_HANDLE_SOCKET, new_fd, NULL);
+ new_socket_handle.domain = socket_handle->domain;
+ new_socket_handle.type = socket_handle->type;
+ new_socket_handle.protocol = socket_handle->protocol;
+ new_socket_handle.still_readable = 1;
+
+ new_handle = _wapi_handle_new_fd (WAPI_HANDLE_SOCKET, new_fd,
+ &new_socket_handle);
if(new_handle == _WAPI_HANDLE_INVALID) {
g_warning ("%s: error creating socket handle", __func__);
WSASetLastError (ERROR_GEN_FAILURE);
return(INVALID_SOCKET);
}
- g_ptr_array_add (sockets, new_handle);
-
#ifdef DEBUG
g_message ("%s: returning newly accepted socket handle %p with",
__func__, new_handle);
socklen_t addrlen)
{
gpointer handle = GUINT_TO_POINTER (fd);
- int ret;
+ struct _WapiHandle_socket *socket_handle;
+ gboolean ok;
gint errnum;
if (startup_count == 0) {
return(SOCKET_ERROR);
}
- do {
- ret = connect (fd, serv_addr, addrlen);
- } while (ret==-1 && errno==EINTR && !_wapi_thread_cur_apc_pending());
-
- if (ret == -1 && errno == EACCES) {
- /* Try setting SO_BROADCAST and connecting again, but
- * keep the original errno
- */
- int true=1;
+ if (connect (fd, serv_addr, addrlen) == -1) {
+ struct pollfd fds;
+ int so_error;
+ socklen_t len;
errnum = errno;
+
+ if (errno != EINTR) {
+#ifdef DEBUG
+ g_message ("%s: connect error: %s", __func__,
+ strerror (errnum));
+#endif
- ret = setsockopt (fd, SOL_SOCKET, SO_BROADCAST, &true,
- sizeof(true));
- if (ret == 0) {
- do {
- ret = connect (fd, serv_addr, addrlen);
- } while (ret==-1 && errno==EINTR &&
- !_wapi_thread_cur_apc_pending());
+ errnum = errno_to_WSA (errnum, __func__);
+ if (errnum == WSAEINPROGRESS)
+ errnum = WSAEWOULDBLOCK; /* see bug #73053 */
+
+ WSASetLastError (errnum);
+
+ return(SOCKET_ERROR);
}
- } else if (ret == -1) {
- errnum = errno;
- }
-
- if (ret == -1) {
+
+ fds.fd = fd;
+ fds.events = POLLOUT;
+ while (poll (&fds, 1, -1) == -1 &&
+ !_wapi_thread_cur_apc_pending ()) {
+ if (errno != EINTR) {
+ errnum = errno_to_WSA (errno, __func__);
+
#ifdef DEBUG
- g_message ("%s: connect error: %s", __func__,
- strerror (errnum));
+ g_message ("%s: connect poll error: %s",
+ __func__, strerror (errno));
#endif
- errnum = errno_to_WSA (errnum, __func__);
- WSASetLastError (errnum);
+
+ WSASetLastError (errnum);
+ return(SOCKET_ERROR);
+ }
+ }
+
+ len = sizeof(so_error);
+ if (getsockopt (fd, SOL_SOCKET, SO_ERROR, &so_error,
+ &len) == -1) {
+ errnum = errno_to_WSA (errno, __func__);
+
+#ifdef DEBUG
+ g_message ("%s: connect getsockopt error: %s",
+ __func__, strerror (errno));
+#endif
+
+ WSASetLastError (errnum);
+ return(SOCKET_ERROR);
+ }
- return(SOCKET_ERROR);
+ if (so_error != 0) {
+ errnum = errno_to_WSA (so_error, __func__);
+
+ /* Need to save this socket error */
+ ok = _wapi_lookup_handle (handle, WAPI_HANDLE_SOCKET,
+ (gpointer *)&socket_handle);
+ if (ok == FALSE) {
+ g_warning ("%s: error looking up socket handle %p", __func__, handle);
+ } else {
+ socket_handle->saved_error = errnum;
+ }
+
+#ifdef DEBUG
+ g_message ("%s: connect getsockopt returned error: %s",
+ __func__, strerror (so_error));
+#endif
+
+ WSASetLastError (errnum);
+ return(SOCKET_ERROR);
+ }
}
- return(ret);
+
+ return(0);
}
int _wapi_getpeername(guint32 fd, struct sockaddr *name, socklen_t *namelen)
{
gpointer handle = GUINT_TO_POINTER (fd);
int ret;
+ struct timeval tv;
+ void *tmp_val;
+ struct _WapiHandle_socket *socket_handle;
+ gboolean ok;
if (startup_count == 0) {
WSASetLastError (WSANOTINITIALISED);
WSASetLastError (WSAENOTSOCK);
return(SOCKET_ERROR);
}
-
- ret = getsockopt (fd, level, optname, optval, optlen);
+
+ tmp_val = optval;
+ if (level == SOL_SOCKET &&
+ (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO)) {
+ tmp_val = &tv;
+ *optlen = sizeof (tv);
+ }
+
+ ret = getsockopt (fd, level, optname, tmp_val, optlen);
if (ret == -1) {
gint errnum = errno;
#ifdef DEBUG
return(SOCKET_ERROR);
}
+
+ if (level == SOL_SOCKET &&
+ (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO)) {
+ *((int *) optval) = tv.tv_sec * 1000 + (tv.tv_usec / 1000); // milli from micro
+ *optlen = sizeof (int);
+ }
+
+ if (optname == SO_ERROR) {
+ ok = _wapi_lookup_handle (handle, WAPI_HANDLE_SOCKET,
+ (gpointer *)&socket_handle);
+ if (ok == FALSE) {
+ g_warning ("%s: error looking up socket handle %p",
+ __func__, handle);
+
+ /* can't extract the last error */
+ *((int *) optval) = errno_to_WSA (*((int *)optval),
+ __func__);
+ } else {
+ if (*((int *)optval) != 0) {
+ *((int *) optval) = errno_to_WSA (*((int *)optval),
+ __func__);
+ socket_handle->saved_error = *((int *)optval);
+ } else {
+ *((int *)optval) = socket_handle->saved_error;
+ }
+ }
+ }
return(ret);
}
int _wapi_recvfrom(guint32 fd, void *buf, size_t len, int recv_flags,
struct sockaddr *from, socklen_t *fromlen)
{
-#ifndef HAVE_MSG_NOSIGNAL
- void (*old_sigpipe)(int); // old SIGPIPE handler
-#endif
gpointer handle = GUINT_TO_POINTER (fd);
+ struct _WapiHandle_socket *socket_handle;
+ gboolean ok;
int ret;
if (startup_count == 0) {
return(SOCKET_ERROR);
}
-#ifdef HAVE_MSG_NOSIGNAL
- do {
- ret = recvfrom (fd, buf, len, recv_flags | MSG_NOSIGNAL, from,
- fromlen);
- } while (ret == -1 && errno == EINTR &&
- !_wapi_thread_cur_apc_pending ());
-#else
- old_sigpipe = signal (SIGPIPE, SIG_IGN);
do {
ret = recvfrom (fd, buf, len, recv_flags, from, fromlen);
} while (ret == -1 && errno == EINTR &&
!_wapi_thread_cur_apc_pending ());
- signal (SIGPIPE, old_sigpipe);
-#endif
+ if (ret == 0 && len > 0) {
+ /* According to the Linux man page, recvfrom only
+ * returns 0 when the socket has been shut down
+ * cleanly. Turn this into an EINTR to simulate win32
+ * behaviour of returning EINTR when a socket is
+ * closed while the recvfrom is blocking (we use a
+ * shutdown() in socket_close() to trigger this.) See
+ * bug 75705.
+ */
+ /* Distinguish between the socket being shut down at
+ * the local or remote ends, and reads that request 0
+ * bytes to be read
+ */
+
+ /* If this returns FALSE, it means the socket has been
+ * closed locally. If it returns TRUE, but
+ * still_readable != 1 then shutdown
+ * (SHUT_RD|SHUT_RDWR) has been called locally.
+ */
+ ok = _wapi_lookup_handle (handle, WAPI_HANDLE_SOCKET,
+ (gpointer *)&socket_handle);
+ if (ok == FALSE || socket_handle->still_readable != 1) {
+ ret = -1;
+ errno = EINTR;
+ }
+ }
+
if (ret == -1) {
gint errnum = errno;
#ifdef DEBUG
int _wapi_send(guint32 fd, const void *msg, size_t len, int send_flags)
{
-#ifndef HAVE_MSG_NOSIGNAL
- void (*old_sigpipe)(int); // old SIGPIPE handler
-#endif
gpointer handle = GUINT_TO_POINTER (fd);
int ret;
return(SOCKET_ERROR);
}
-#ifdef HAVE_MSG_NOSIGNAL
- do {
- ret = send (fd, msg, len, send_flags | MSG_NOSIGNAL);
- } while (ret == -1 && errno == EINTR &&
- !_wapi_thread_cur_apc_pending ());
-#else
- old_sigpipe = signal (SIGPIPE, SIG_IGN);
do {
ret = send (fd, msg, len, send_flags);
} while (ret == -1 && errno == EINTR &&
!_wapi_thread_cur_apc_pending ());
- signal (SIGPIPE, old_sigpipe);
-#endif
+
if (ret == -1) {
gint errnum = errno;
#ifdef DEBUG
int _wapi_sendto(guint32 fd, const void *msg, size_t len, int send_flags,
const struct sockaddr *to, socklen_t tolen)
{
-#ifndef HAVE_MSG_NOSIGNAL
- void (*old_sigpipe)(int); // old SIGPIPE handler
-#endif
gpointer handle = GUINT_TO_POINTER (fd);
int ret;
return(SOCKET_ERROR);
}
-#ifdef HAVE_MSG_NOSIGNAL
- do {
- ret = sendto (fd, msg, len, send_flags | MSG_NOSIGNAL, to,
- tolen);
- } while (ret == -1 && errno == EINTR &&
- !_wapi_thread_cur_apc_pending ());
-#else
- old_sigpipe = signal (SIGPIPE, SIG_IGN);
do {
ret = sendto (fd, msg, len, send_flags, to, tolen);
} while (ret == -1 && errno == EINTR &&
!_wapi_thread_cur_apc_pending ());
- signal (SIGPIPE, old_sigpipe);
-#endif
+
if (ret == -1) {
gint errnum = errno;
#ifdef DEBUG
{
gpointer handle = GUINT_TO_POINTER (fd);
int ret;
+ const void *tmp_val;
+ struct timeval tv;
if (startup_count == 0) {
WSASetLastError (WSANOTINITIALISED);
WSASetLastError (WSAENOTSOCK);
return(SOCKET_ERROR);
}
-
- ret = setsockopt (fd, level, optname, optval, optlen);
+
+ tmp_val = optval;
+ if (level == SOL_SOCKET &&
+ (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO)) {
+ int ms = *((int *) optval);
+ tv.tv_sec = ms / 1000;
+ tv.tv_usec = (ms % 1000) * 1000; // micro from milli
+ tmp_val = &tv;
+ optlen = sizeof (tv);
+#if defined (__linux__)
+ } else if (level == SOL_SOCKET &&
+ (optname == SO_SNDBUF || optname == SO_RCVBUF)) {
+ /* According to socket(7) the Linux kernel doubles the
+ * buffer sizes "to allow space for bookkeeping
+ * overhead."
+ */
+ int bufsize = *((int *) optval);
+
+ bufsize /= 2;
+ tmp_val = &bufsize;
+#endif
+ }
+
+ ret = setsockopt (fd, level, optname, tmp_val, optlen);
if (ret == -1) {
gint errnum = errno;
#ifdef DEBUG
int _wapi_shutdown(guint32 fd, int how)
{
+ struct _WapiHandle_socket *socket_handle;
+ gboolean ok;
gpointer handle = GUINT_TO_POINTER (fd);
int ret;
WSASetLastError (WSAENOTSOCK);
return(SOCKET_ERROR);
}
+
+ if (how == SHUT_RD ||
+ how == SHUT_RDWR) {
+ ok = _wapi_lookup_handle (handle, WAPI_HANDLE_SOCKET,
+ (gpointer *)&socket_handle);
+ if (ok == FALSE) {
+ g_warning ("%s: error looking up socket handle %p",
+ __func__, handle);
+ WSASetLastError (WSAENOTSOCK);
+ return(SOCKET_ERROR);
+ }
+
+ socket_handle->still_readable = 0;
+ }
ret = shutdown (fd, how);
if (ret == -1) {
guint32 _wapi_socket(int domain, int type, int protocol, void *unused,
guint32 unused2, guint32 unused3)
{
+ struct _WapiHandle_socket socket_handle = {0};
gpointer handle;
int fd;
+ socket_handle.domain = domain;
+ socket_handle.type = type;
+ socket_handle.protocol = protocol;
+ socket_handle.still_readable = 1;
+
fd = socket (domain, type, protocol);
if (fd == -1 && domain == AF_INET && type == SOCK_RAW &&
protocol == 0) {
/* Retry with protocol == 4 (see bug #54565) */
+ socket_handle.protocol = 4;
fd = socket (AF_INET, SOCK_RAW, 4);
}
if (fd >= _wapi_fd_reserve) {
#ifdef DEBUG
- g_message ("%s: File descriptor is too big", __func__);
+ g_message ("%s: File descriptor is too big (%d >= %d)",
+ __func__, fd, _wapi_fd_reserve);
#endif
WSASetLastError (WSASYSCALLFAILURE);
return(INVALID_SOCKET);
}
+
+ /* .net seems to set this by default for SOCK_STREAM, not for
+ * SOCK_DGRAM (see bug #36322)
+ *
+ * It seems winsock has a rather different idea of what
+ * SO_REUSEADDR means. If it's set, then a new socket can be
+ * bound over an existing listening socket. There's a new
+ * windows-specific option called SO_EXCLUSIVEADDRUSE but
+ * using that means the socket MUST be closed properly, or a
+ * denial of service can occur. Luckily for us, winsock
+ * behaves as though any other system would when SO_REUSEADDR
+ * is true, so we don't need to do anything else here. See
+ * bug 53992.
+ */
+ {
+ int ret, true = 1;
+
+ ret = setsockopt (fd, SOL_SOCKET, SO_REUSEADDR, &true,
+ sizeof (true));
+ if (ret == -1) {
+ int errnum = errno;
+
+#ifdef DEBUG
+ g_message ("%s: Error setting SO_REUSEADDR", __func__);
+#endif
+
+ errnum = errno_to_WSA (errnum, __func__);
+ WSASetLastError (errnum);
+
+ close (fd);
+
+ return(INVALID_SOCKET);
+ }
+ }
mono_once (&socket_ops_once, socket_ops_init);
- handle = _wapi_handle_new_fd (WAPI_HANDLE_SOCKET, fd, NULL);
+ handle = _wapi_handle_new_fd (WAPI_HANDLE_SOCKET, fd, &socket_handle);
if (handle == _WAPI_HANDLE_INVALID) {
g_warning ("%s: error creating socket handle", __func__);
+ WSASetLastError (WSASYSCALLFAILURE);
+ close (fd);
return(INVALID_SOCKET);
}
- g_ptr_array_add (sockets, handle);
-
#ifdef DEBUG
g_message ("%s: returning socket handle %p", __func__, handle);
#endif
return(he);
}
+static gboolean socket_disconnect (guint32 fd)
+{
+ struct _WapiHandle_socket *socket_handle;
+ gboolean ok;
+ gpointer handle = GUINT_TO_POINTER (fd);
+ int newsock, ret;
+
+ ok = _wapi_lookup_handle (handle, WAPI_HANDLE_SOCKET,
+ (gpointer *)&socket_handle);
+ if (ok == FALSE) {
+ g_warning ("%s: error looking up socket handle %p", __func__,
+ handle);
+ WSASetLastError (WSAENOTSOCK);
+ return(FALSE);
+ }
+
+ newsock = socket (socket_handle->domain, socket_handle->type,
+ socket_handle->protocol);
+ if (newsock == -1) {
+ gint errnum = errno;
+
+#ifdef DEBUG
+ g_message ("%s: socket error: %s", __func__, strerror (errno));
+#endif
+
+ errnum = errno_to_WSA (errnum, __func__);
+ WSASetLastError (errnum);
+
+ return(FALSE);
+ }
+
+ /* According to Stevens "Advanced Programming in the UNIX
+ * Environment: UNIX File I/O" dup2() is atomic so there
+ * should not be a race condition between the old fd being
+ * closed and the new socket fd being copied over
+ */
+ do {
+ ret = dup2 (newsock, fd);
+ } while (ret == -1 && errno == EAGAIN);
+
+ if (ret == -1) {
+ gint errnum = errno;
+
+#ifdef DEBUG
+ g_message ("%s: dup2 error: %s", __func__, strerror (errno));
+#endif
+
+ errnum = errno_to_WSA (errnum, __func__);
+ WSASetLastError (errnum);
+
+ return(FALSE);
+ }
+
+ close (newsock);
+
+ return(TRUE);
+}
+
+static gboolean wapi_disconnectex (guint32 fd, WapiOverlapped *overlapped,
+ guint32 flags, guint32 reserved)
+{
+#ifdef DEBUG
+ g_message ("%s: called on socket %d!", __func__, fd);
+#endif
+
+ if (reserved != 0) {
+ WSASetLastError (WSAEINVAL);
+ return(FALSE);
+ }
+
+ /* We could check the socket type here and fail unless its
+ * SOCK_STREAM, SOCK_SEQPACKET or SOCK_RDM (according to msdn)
+ * if we really wanted to
+ */
+
+ return(socket_disconnect (fd));
+}
+
+/* NB only supports NULL file handle, NULL buffers and
+ * TF_DISCONNECT|TF_REUSE_SOCKET flags to disconnect the socket fd.
+ * Shouldn't actually ever need to be called anyway though, because we
+ * have DisconnectEx ().
+ */
+static gboolean wapi_transmitfile (guint32 fd, gpointer file,
+ guint32 num_write, guint32 num_per_send,
+ WapiOverlapped *overlapped,
+ WapiTransmitFileBuffers *buffers,
+ WapiTransmitFileFlags flags)
+{
+#ifdef DEBUG
+ g_message ("%s: called on socket %d!", __func__, fd);
+#endif
+
+ g_assert (file == NULL);
+ g_assert (overlapped == NULL);
+ g_assert (buffers == NULL);
+ g_assert (num_write == 0);
+ g_assert (num_per_send == 0);
+ g_assert (flags == (TF_DISCONNECT | TF_REUSE_SOCKET));
+
+ return(socket_disconnect (fd));
+}
+
+static struct
+{
+ WapiGuid guid;
+ gpointer func;
+} extension_functions[] = {
+ {WSAID_DISCONNECTEX, wapi_disconnectex},
+ {WSAID_TRANSMITFILE, wapi_transmitfile},
+ {{0}, NULL},
+};
+
int
WSAIoctl (guint32 fd, gint32 command,
gchar *input, gint i_len,
return SOCKET_ERROR;
}
+ if (command == SIO_GET_EXTENSION_FUNCTION_POINTER) {
+ int i = 0;
+ WapiGuid *guid = (WapiGuid *)input;
+
+ if (i_len < sizeof(WapiGuid)) {
+ /* As far as I can tell, windows doesn't
+ * actually set an error here...
+ */
+ WSASetLastError (WSAEINVAL);
+ return(SOCKET_ERROR);
+ }
+
+ if (o_len < sizeof(gpointer)) {
+ /* Or here... */
+ WSASetLastError (WSAEINVAL);
+ return(SOCKET_ERROR);
+ }
+
+ if (output == NULL) {
+ /* Or here */
+ WSASetLastError (WSAEINVAL);
+ return(SOCKET_ERROR);
+ }
+
+ while(extension_functions[i].func != NULL) {
+ if (!memcmp (guid, &extension_functions[i].guid,
+ sizeof(WapiGuid))) {
+ memcpy (output, &extension_functions[i].func,
+ sizeof(gpointer));
+ *written = sizeof(gpointer);
+ return(0);
+ }
+
+ i++;
+ }
+
+ WSASetLastError (WSAEINVAL);
+ return(SOCKET_ERROR);
+ }
+
if (i_len > 0) {
buffer = g_memdup (input, i_len);
}
} else {
/* We just copy the buffer to the output. Some ioctls
* don't even output any data, but, well...
+ *
+ * NB windows returns WSAEFAULT if o_len is too small
*/
i_len = (i_len > o_len) ? o_len : i_len;
- memcpy (output, buffer, i_len);
+
+ if (i_len > 0 && output != NULL) {
+ memcpy (output, buffer, i_len);
+ }
+
g_free (buffer);
*written = i_len;
}
return(SOCKET_ERROR);
}
- if (command != FIONBIO &&
- command != FIONREAD &&
- command != SIOCATMARK) {
- /* Not listed in the MSDN specs, but ioctl(2) returns
- * this if command is invalid
- */
- WSASetLastError (WSAEINVAL);
- return(SOCKET_ERROR);
- }
-
+ switch(command){
+ case FIONBIO:
#ifdef O_NONBLOCK
- /* This works better than ioctl(...FIONBIO...) on Linux (it causes
- * connect to return EINPROGRESS, but the ioctl doesn't seem to)
- */
- if (command == FIONBIO) {
- ret = fcntl (fd, F_GETFL, 0);
- if (ret != -1) {
- if (*(gboolean *)arg) {
- ret &= ~O_NONBLOCK;
- } else {
- ret |= O_NONBLOCK;
+ /* This works better than ioctl(...FIONBIO...)
+ * on Linux (it causes connect to return
+ * EINPROGRESS, but the ioctl doesn't seem to)
+ */
+ ret = fcntl(fd, F_GETFL, 0);
+ if (ret != -1) {
+ if (*(gboolean *)arg) {
+ ret |= O_NONBLOCK;
+ } else {
+ ret &= ~O_NONBLOCK;
+ }
+ ret = fcntl(fd, F_SETFL, ret);
}
- ret = fcntl (fd, F_SETFL, ret);
- }
- } else
+ break;
#endif /* O_NONBLOCK */
- {
- ret = ioctl (fd, command, arg);
+ case FIONREAD:
+ case SIOCATMARK:
+ ret = ioctl (fd, command, arg);
+ break;
+ default:
+ WSASetLastError (WSAEINVAL);
+ return(SOCKET_ERROR);
}
+
if (ret == -1) {
gint errnum = errno;
#ifdef DEBUG
int _wapi_select(int nfds G_GNUC_UNUSED, fd_set *readfds, fd_set *writefds,
fd_set *exceptfds, struct timeval *timeout)
{
- int ret;
+ int ret, maxfd;
if (startup_count == 0) {
WSASetLastError (WSANOTINITIALISED);
return(SOCKET_ERROR);
}
+ for (maxfd = FD_SETSIZE-1; maxfd >= 0; maxfd--) {
+ if ((readfds && FD_ISSET (maxfd, readfds)) ||
+ (writefds && FD_ISSET (maxfd, writefds)) ||
+ (exceptfds && FD_ISSET (maxfd, exceptfds))) {
+ break;
+ }
+ }
+
+ if (maxfd == -1) {
+ WSASetLastError (WSAEINVAL);
+ return(SOCKET_ERROR);
+ }
+
do {
- ret = select(getdtablesize (), readfds, writefds, exceptfds,
+ ret = select(maxfd + 1, readfds, writefds, exceptfds,
timeout);
} while (ret == -1 && errno == EINTR &&
!_wapi_thread_cur_apc_pending ());
{
gpointer handle = GUINT_TO_POINTER (fd);
+ if (fd >= FD_SETSIZE) {
+ WSASetLastError (WSAEINVAL);
+ return;
+ }
+
if (_wapi_handle_type (handle) != WAPI_HANDLE_SOCKET) {
WSASetLastError (WSAENOTSOCK);
return;
{
gpointer handle = GUINT_TO_POINTER (fd);
+ if (fd >= FD_SETSIZE) {
+ WSASetLastError (WSAEINVAL);
+ return(0);
+ }
+
if (_wapi_handle_type (handle) != WAPI_HANDLE_SOCKET) {
WSASetLastError (WSAENOTSOCK);
return(0);
{
gpointer handle = GUINT_TO_POINTER (fd);
- if (_wapi_handle_type (handle) != WAPI_HANDLE_SOCKET) {
- WSASetLastError (WSAENOTSOCK);
+ if (fd >= FD_SETSIZE) {
+ WSASetLastError (WSAEINVAL);
return;
}
- FD_SET (fd, set);
-}
-
-#ifdef USE_AIO
-
-typedef struct {
- struct aiocb *aio;
- gpointer ares;
- SocketAsyncCB callback;
-} notifier_data_t;
-
-#define SIGPTR(a) a.SIGVAL_PTR
-
-static void
-async_notifier (union sigval sig)
-{
- notifier_data_t *ndata = SIGPTR (sig);
- guint32 error;
- guint32 numbytes;
-
- error = aio_return (ndata->aio);
- if (error < 0) {
- error = _wapi_get_win32_file_error (error);
- numbytes = 0;
- } else {
- numbytes = error;
- error = 0;
- }
-
- ndata->callback (error, numbytes, ndata->ares);
- g_free (ndata->aio);
- g_free (ndata);
-}
-
-static gboolean
-do_aio_call (gboolean is_read, gpointer handle, gpointer buffer,
- guint32 numbytes, guint32 *out_bytes,
- gpointer ares,
- SocketAsyncCB callback)
-{
- int fd = GPOINTER_TO_UINT (handle);
- struct aiocb *aio;
- int result;
- notifier_data_t *ndata;
-
- if (handle == NULL ||
- _wapi_handle_type (handle) != WAPI_HANDLE_SOCKET) {
+ if (_wapi_handle_type (handle) != WAPI_HANDLE_SOCKET) {
WSASetLastError (WSAENOTSOCK);
- return FALSE;
- }
-
- ndata = g_new0 (notifier_data_t, 1);
- aio = g_new0 (struct aiocb, 1);
- ndata->ares = ares;
- ndata->aio = aio;
- ndata->callback = callback;
-
- aio->aio_fildes = fd;
- aio->aio_lio_opcode = (is_read) ? LIO_READ : LIO_WRITE;
- aio->aio_nbytes = numbytes;
- aio->aio_offset = 0;
- aio->aio_buf = buffer;
- aio->aio_sigevent.sigev_notify = SIGEV_THREAD;
- aio->aio_sigevent.sigev_notify_function = async_notifier;
- SIGPTR (aio->aio_sigevent.sigev_value) = ndata;
-
- if (is_read) {
- result = aio_read (aio);
- } else {
- result = aio_write (aio);
- }
-
- if (result == -1) {
- WSASetLastError (errno_to_WSA (errno, "do_aio_call"));
- return FALSE;
- }
-
- result = aio_error (aio);
- if (result == 0) {
- numbytes = aio_return (aio);
- } else {
- WSASetLastError (errno_to_WSA (result, "do_aio_call"));
- return FALSE;
+ return;
}
- if (out_bytes)
- *out_bytes = numbytes;
-
- return TRUE;
-}
-
-gboolean _wapi_socket_async_read (gpointer handle, gpointer buffer,
- guint32 numbytes,
- guint32 *bytesread, gpointer ares,
- SocketAsyncCB callback)
-{
- return do_aio_call (TRUE, handle, buffer, numbytes, bytesread, ares, callback);
-}
-
-gboolean _wapi_socket_async_write (gpointer handle, gpointer buffer,
- guint32 numbytes,
- guint32 *byteswritten, gpointer ares,
- SocketAsyncCB callback)
-{
- return do_aio_call (FALSE, handle, buffer, numbytes, byteswritten, ares, callback);
+ FD_SET (fd, set);
}
-#endif /* USE_AIO */
-
projects / mono.git / blobdiff