gint
mono_w32socket_shutdown (SOCKET sock, gint how)
{
MonoW32HandleSocket *socket_handle;
gpointer handle;
gint ret;
handle = GUINT_TO_POINTER (sock);
if (!mono_w32handle_lookup (handle, MONO_W32HANDLE_SOCKET, (gpointer *)&socket_handle)) {
mono_w32socket_set_last_error (WSAENOTSOCK);
return SOCKET_ERROR;
}
if (how == SHUT_RD || how == SHUT_RDWR)
socket_handle->still_readable = 0;
ret = shutdown (sock, how);
if (ret == -1) {
gint errnum = errno;
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: shutdown error: %s", __func__, g_strerror (errno));
mono_w32socket_set_last_error (mono_w32socket_convert_error (errnum));
return SOCKET_ERROR;
}
return ret;
}
static gboolean
mutex_handle_own (gpointer handle, MonoW32HandleType type, gboolean *abandoned)
{
MonoW32HandleMutex *mutex_handle;
*abandoned = FALSE;
if (!mono_w32handle_lookup (handle, type, (gpointer *)&mutex_handle)) {
g_warning ("%s: error looking up %s handle %p", __func__, mono_w32handle_get_typename (type), handle);
return FALSE;
}
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: owning %s handle %p, before: [tid: %p, recursion: %d], after: [tid: %p, recursion: %d], abandoned: %s",
__func__, mono_w32handle_get_typename (type), handle, (gpointer) mutex_handle->tid, mutex_handle->recursion, (gpointer) pthread_self (), mutex_handle->recursion + 1, mutex_handle->abandoned ? "true" : "false");
if (mutex_handle->recursion != 0) {
g_assert (pthread_equal (pthread_self (), mutex_handle->tid));
mutex_handle->recursion++;
} else {
mutex_handle->tid = pthread_self ();
mutex_handle->recursion = 1;
thread_own_mutex (mono_thread_internal_current (), handle);
}
if (mutex_handle->abandoned) {
mutex_handle->abandoned = FALSE;
*abandoned = TRUE;
}
mono_w32handle_set_signal_state (handle, FALSE, FALSE);
return TRUE;
}
static gboolean event_handle_own (gpointer handle, MonoW32HandleType type, guint32 *statuscode)
{
MonoW32HandleEvent *event_handle;
gboolean ok;
*statuscode = WAIT_OBJECT_0;
ok = mono_w32handle_lookup (handle, type, (gpointer *)&event_handle);
if (!ok) {
g_warning ("%s: error looking up %s handle %p",
__func__, mono_w32handle_ops_typename (type), handle);
return FALSE;
}
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: owning %s handle %p",
__func__, mono_w32handle_ops_typename (type), handle);
if (!event_handle->manual) {
g_assert (event_handle->set_count > 0);
event_handle->set_count --;
if (event_handle->set_count == 0)
mono_w32handle_set_signal_state (handle, FALSE, FALSE);
}
return TRUE;
}
static gboolean event_handle_own (gpointer handle, MonoW32HandleType type)
{
struct _WapiHandle_event *event_handle;
gboolean ok;
ok = mono_w32handle_lookup (handle, type, (gpointer *)&event_handle);
if (!ok) {
g_warning ("%s: error looking up %s handle %p",
__func__, event_handle_type_to_string (type), handle);
return FALSE;
}
MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: owning %s handle %p",
__func__, event_handle_type_to_string (type), handle);
if (!event_handle->manual) {
g_assert (event_handle->set_count > 0);
event_handle->set_count --;
if (event_handle->set_count == 0)
mono_w32handle_set_signal_state (handle, FALSE, FALSE);
}
return TRUE;
}
MonoBoolean
ves_icall_System_Threading_Semaphore_ReleaseSemaphore_internal (gpointer handle, gint32 releaseCount, gint32 *prevcount)
{
MonoW32HandleType type;
MonoW32HandleSemaphore *sem_handle;
int thr_ret;
MonoBoolean ret;
if (!handle) {
SetLastError (ERROR_INVALID_HANDLE);
return FALSE;
}
switch (type = mono_w32handle_get_type (handle)) {
case MONO_W32HANDLE_SEM:
case MONO_W32HANDLE_NAMEDSEM:
break;
default:
SetLastError (ERROR_INVALID_HANDLE);
return FALSE;
}
if (!mono_w32handle_lookup (handle, type, (gpointer *)&sem_handle)) {
g_warning ("%s: error looking up sem handle %p", __func__, handle);
return FALSE;
}
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: releasing %s handle %p",
__func__, mono_w32handle_ops_typename (type), handle);
thr_ret = mono_w32handle_lock_handle (handle);
g_assert (thr_ret == 0);
/* Do this before checking for count overflow, because overflowing
* max is a listed technique for finding the current value */
if (prevcount)
*prevcount = sem_handle->val;
/* No idea why max is signed, but thats the spec :-( */
if (sem_handle->val + releaseCount > (guint32)sem_handle->max) {
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: %s handle %p val %d count %d max %d, max value would be exceeded",
__func__, mono_w32handle_ops_typename (type), handle, sem_handle->val, releaseCount, sem_handle->max);
ret = FALSE;
} else {
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: %s handle %p val %d count %d max %d",
__func__, mono_w32handle_ops_typename (type), handle, sem_handle->val, releaseCount, sem_handle->max);
sem_handle->val += releaseCount;
mono_w32handle_set_signal_state (handle, TRUE, TRUE);
ret = TRUE;
}
thr_ret = mono_w32handle_unlock_handle (handle);
g_assert (thr_ret == 0);
return ret;
}
int _wapi_recvfrom(guint32 fd, void *buf, size_t len, int recv_flags,
struct sockaddr *from, socklen_t *fromlen)
{
gpointer handle = GUINT_TO_POINTER (fd);
struct _WapiHandle_socket *socket_handle;
gboolean ok;
int ret;
MonoThreadInfo *info = mono_thread_info_current ();
if (mono_w32handle_get_type (handle) != MONO_W32HANDLE_SOCKET) {
WSASetLastError (WSAENOTSOCK);
return(SOCKET_ERROR);
}
do {
ret = recvfrom (fd, buf, len, recv_flags, from, fromlen);
} while (ret == -1 && errno == EINTR &&
!mono_thread_info_is_interrupt_state (info));
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 = mono_w32handle_lookup (handle, MONO_W32HANDLE_SOCKET,
(gpointer *)&socket_handle);
if (ok == FALSE || socket_handle->still_readable != 1) {
ret = -1;
errno = EINTR;
}
}
if (ret == -1) {
gint errnum = errno;
MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: recv error: %s", __func__, strerror(errno));
errnum = errno_to_WSA (errnum, __func__);
WSASetLastError (errnum);
return(SOCKET_ERROR);
}
return(ret);
}
int
mono_w32socket_recvfrom (SOCKET sock, char *buf, int len, int flags, struct sockaddr *from, socklen_t *fromlen, gboolean blocking)
{
gpointer handle;
MonoW32HandleSocket *socket_handle;
int ret;
MonoThreadInfo *info;
handle = GUINT_TO_POINTER (sock);
if (!mono_w32handle_lookup (handle, MONO_W32HANDLE_SOCKET, (gpointer *)&socket_handle)) {
mono_w32socket_set_last_error (WSAENOTSOCK);
return SOCKET_ERROR;
}
info = mono_thread_info_current ();
do {
ret = recvfrom (sock, buf, len, flags, from, fromlen);
} while (ret == -1 && errno == EINTR && !mono_thread_info_is_interrupt_state (info));
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.
*/
if (socket_handle->still_readable != 1) {
ret = -1;
errno = EINTR;
}
}
if (ret == -1) {
gint errnum = errno;
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: recv error: %s", __func__, g_strerror(errno));
mono_w32socket_set_last_error (mono_w32socket_convert_error (errnum));
return SOCKET_ERROR;
}
return ret;
}
static gboolean socket_disconnect (guint32 fd)
{
struct _WapiHandle_socket *socket_handle;
gboolean ok;
gpointer handle = GUINT_TO_POINTER (fd);
int newsock, ret;
ok = mono_w32handle_lookup (handle, MONO_W32HANDLE_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;
MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: socket error: %s", __func__, strerror (errno));
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;
MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: dup2 error: %s", __func__, strerror (errno));
errnum = errno_to_WSA (errnum, __func__);
WSASetLastError (errnum);
return(FALSE);
}
close (newsock);
return(TRUE);
}
int
mono_w32socket_recvbuffers (SOCKET sock, WSABUF *buffers, guint32 count, guint32 *received, guint32 *flags, gpointer overlapped, gpointer complete, gboolean blocking)
{
MonoW32HandleSocket *socket_handle;
MonoThreadInfo *info;
gpointer handle;
gint ret;
struct msghdr hdr;
g_assert (overlapped == NULL);
g_assert (complete == NULL);
handle = GUINT_TO_POINTER (sock);
if (!mono_w32handle_lookup (handle, MONO_W32HANDLE_SOCKET, (gpointer *)&socket_handle)) {
mono_w32socket_set_last_error (WSAENOTSOCK);
return SOCKET_ERROR;
}
info = mono_thread_info_current ();
wsabuf_to_msghdr (buffers, count, &hdr);
do {
ret = recvmsg (sock, &hdr, *flags);
} while (ret == -1 && errno == EINTR && !mono_thread_info_is_interrupt_state (info));
msghdr_iov_free (&hdr);
if (ret == 0) {
/* see mono_w32socket_recvfrom */
if (socket_handle->still_readable != 1) {
ret = -1;
errno = EINTR;
}
}
if (ret == -1) {
gint errnum = errno;
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: recvmsg error: %s", __func__, g_strerror(errno));
mono_w32socket_set_last_error (mono_w32socket_convert_error (errnum));
return SOCKET_ERROR;
}
*received = ret;
*flags = hdr.msg_flags;
return 0;
}
gint
mono_w32socket_disconnect (SOCKET sock, gboolean reuse)
{
MonoW32HandleSocket *socket_handle;
gpointer handle;
SOCKET newsock;
gint ret;
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: called on socket %d!", __func__, sock);
/* 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 */
handle = GUINT_TO_POINTER (sock);
if (!mono_w32handle_lookup (handle, MONO_W32HANDLE_SOCKET, (gpointer *)&socket_handle)) {
mono_w32socket_set_last_error (WSAENOTSOCK);
return SOCKET_ERROR;
}
newsock = socket (socket_handle->domain, socket_handle->type, socket_handle->protocol);
if (newsock == -1) {
gint errnum = errno;
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: socket error: %s", __func__, g_strerror (errnum));
mono_w32socket_set_last_error (mono_w32socket_convert_error (errnum));
return SOCKET_ERROR;
}
/* 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, sock);
} while (ret == -1 && errno == EAGAIN);
if (ret == -1) {
gint errnum = errno;
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: dup2 error: %s", __func__, g_strerror (errnum));
mono_w32socket_set_last_error (mono_w32socket_convert_error (errnum));
return SOCKET_ERROR;
}
close (newsock);
return 0;
}
gint
mono_w32socket_getsockopt (SOCKET sock, gint level, gint optname, gpointer optval, socklen_t *optlen)
{
gpointer handle;
gint ret;
struct timeval tv;
gpointer tmp_val;
MonoW32HandleSocket *socket_handle;
handle = GUINT_TO_POINTER (sock);
if (!mono_w32handle_lookup (handle, MONO_W32HANDLE_SOCKET, (gpointer *)&socket_handle)) {
mono_w32socket_set_last_error (WSAENOTSOCK);
return SOCKET_ERROR;
}
tmp_val = optval;
if (level == SOL_SOCKET &&
(optname == SO_RCVTIMEO || optname == SO_SNDTIMEO)) {
tmp_val = &tv;
*optlen = sizeof (tv);
}
ret = getsockopt (sock, level, optname, tmp_val, optlen);
if (ret == -1) {
gint errnum = errno;
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: getsockopt error: %s", __func__, g_strerror (errno));
mono_w32socket_set_last_error (mono_w32socket_convert_error (errnum));
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) {
if (*((int *)optval) != 0) {
*((int *) optval) = mono_w32socket_convert_error (*((int *)optval));
socket_handle->saved_error = *((int *)optval);
} else {
*((int *)optval) = socket_handle->saved_error;
}
}
return 0;
}
static void mutex_handle_prewait (gpointer handle, MonoW32HandleType type)
{
/* If the mutex is not currently owned, do nothing and let the
* usual wait carry on. If it is owned, check that the owner
* is still alive; if it isn't we override the previous owner
* and assume that process exited abnormally and failed to
* clean up.
*/
MonoW32HandleMutex *mutex_handle;
if (!mono_w32handle_lookup (handle, type, (gpointer *)&mutex_handle)) {
g_warning ("%s: error looking up %s handle %p",
__func__, mono_w32handle_get_typename (type), handle);
return;
}
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: pre-waiting %s handle %p, owned? %s",
__func__, mono_w32handle_get_typename (type), handle, mutex_handle->recursion != 0 ? "true" : "false");
}
int _wapi_shutdown(guint32 fd, int how)
{
struct _WapiHandle_socket *socket_handle;
gboolean ok;
gpointer handle = GUINT_TO_POINTER (fd);
int ret;
if (mono_w32handle_get_type (handle) != MONO_W32HANDLE_SOCKET) {
WSASetLastError (WSAENOTSOCK);
return(SOCKET_ERROR);
}
if (how == SHUT_RD ||
how == SHUT_RDWR) {
ok = mono_w32handle_lookup (handle, MONO_W32HANDLE_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) {
gint errnum = errno;
MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: shutdown error: %s", __func__,
strerror (errno));
errnum = errno_to_WSA (errnum, __func__);
WSASetLastError (errnum);
return(SOCKET_ERROR);
}
return(ret);
}
static int
_wapi_recvmsg(guint32 fd, struct msghdr *msg, int recv_flags)
{
gpointer handle = GUINT_TO_POINTER (fd);
struct _WapiHandle_socket *socket_handle;
gboolean ok;
int ret;
MonoThreadInfo *info = mono_thread_info_current ();
if (mono_w32handle_get_type (handle) != MONO_W32HANDLE_SOCKET) {
WSASetLastError (WSAENOTSOCK);
return(SOCKET_ERROR);
}
do {
ret = recvmsg (fd, msg, recv_flags);
} while (ret == -1 && errno == EINTR &&
!mono_thread_info_is_interrupt_state (info));
if (ret == 0) {
/* see _wapi_recvfrom */
ok = mono_w32handle_lookup (handle, MONO_W32HANDLE_SOCKET,
(gpointer *)&socket_handle);
if (ok == FALSE || socket_handle->still_readable != 1) {
ret = -1;
errno = EINTR;
}
}
if (ret == -1) {
gint errnum = errno;
MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: recvmsg error: %s", __func__, strerror(errno));
errnum = errno_to_WSA (errnum, __func__);
WSASetLastError (errnum);
return(SOCKET_ERROR);
}
return(ret);
}
static gboolean sem_handle_own (gpointer handle, MonoW32HandleType type, guint32 *statuscode)
{
MonoW32HandleSemaphore *sem_handle;
*statuscode = WAIT_OBJECT_0;
if (!mono_w32handle_lookup (handle, type, (gpointer *)&sem_handle)) {
g_warning ("%s: error looking up %s handle %p",
__func__, mono_w32handle_ops_typename (type), handle);
return FALSE;
}
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: owning %s handle %p",
__func__, mono_w32handle_ops_typename (type), handle);
sem_handle->val--;
if (sem_handle->val == 0)
mono_w32handle_set_signal_state (handle, FALSE, FALSE);
return TRUE;
}
static gboolean
mutex_handle_is_owned (gpointer handle, MonoW32HandleType type)
{
MonoW32HandleMutex *mutex_handle;
if (!mono_w32handle_lookup (handle, type, (gpointer *)&mutex_handle)) {
g_warning ("%s: error looking up %s handle %p", __func__, mono_w32handle_get_typename (type), handle);
return FALSE;
}
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: testing ownership %s handle %p",
__func__, mono_w32handle_get_typename (type), handle);
if (mutex_handle->recursion > 0 && pthread_equal (mutex_handle->tid, pthread_self ())) {
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: %s handle %p owned by %p",
__func__, mono_w32handle_get_typename (type), handle, (gpointer) pthread_self ());
return TRUE;
} else {
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: %s handle %p not owned by %p, tid: %p recursion: %d",
__func__, mono_w32handle_get_typename (type), handle, (gpointer) pthread_self (), (gpointer) mutex_handle->tid, mutex_handle->recursion);
return FALSE;
}
}
guint32 _wapi_accept(guint32 fd, struct sockaddr *addr, socklen_t *addrlen)
{
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;
MonoThreadInfo *info = mono_thread_info_current ();
if (addr != NULL && *addrlen < sizeof(struct sockaddr)) {
WSASetLastError (WSAEFAULT);
return(INVALID_SOCKET);
}
if (mono_w32handle_get_type (handle) != MONO_W32HANDLE_SOCKET) {
WSASetLastError (WSAENOTSOCK);
return(INVALID_SOCKET);
}
ok = mono_w32handle_lookup (handle, MONO_W32HANDLE_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 &&
!mono_thread_info_is_interrupt_state (info));
if (new_fd == -1) {
gint errnum = errno;
MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: accept error: %s", __func__, strerror(errno));
errnum = errno_to_WSA (errnum, __func__);
WSASetLastError (errnum);
return(INVALID_SOCKET);
}
if (new_fd >= mono_w32handle_fd_reserve) {
MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: File descriptor is too big", __func__);
WSASetLastError (WSASYSCALLFAILURE);
close (new_fd);
return(INVALID_SOCKET);
}
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 = mono_w32handle_new_fd (MONO_W32HANDLE_SOCKET, new_fd,
&new_socket_handle);
if(new_handle == INVALID_HANDLE_VALUE) {
g_warning ("%s: error creating socket handle", __func__);
WSASetLastError (ERROR_GEN_FAILURE);
return(INVALID_SOCKET);
}
MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: returning newly accepted socket handle %p with",
__func__, new_handle);
return(new_fd);
}
int
mono_w32socket_connect (SOCKET sock, const struct sockaddr *addr, int addrlen, gboolean blocking)
{
gpointer handle;
MonoW32HandleSocket *socket_handle;
handle = GUINT_TO_POINTER (sock);
if (!mono_w32handle_lookup (handle, MONO_W32HANDLE_SOCKET, (gpointer *)&socket_handle)) {
mono_w32socket_set_last_error (WSAENOTSOCK);
return SOCKET_ERROR;
}
if (connect (sock, addr, addrlen) == -1) {
MonoThreadInfo *info;
mono_pollfd fds;
gint errnum, so_error;
socklen_t len;
errnum = errno;
if (errno != EINTR) {
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: connect error: %s", __func__,
g_strerror (errnum));
errnum = mono_w32socket_convert_error (errnum);
if (errnum == WSAEINPROGRESS)
errnum = WSAEWOULDBLOCK; /* see bug #73053 */
mono_w32socket_set_last_error (errnum);
/*
* On solaris x86 getsockopt (SO_ERROR) is not set after
* connect () fails so we need to save this error.
*
* But don't do this for EWOULDBLOCK (bug 317315)
*/
if (errnum != WSAEWOULDBLOCK) {
/* ECONNRESET means the socket was closed by another thread */
/* Async close on mac raises ECONNABORTED. */
socket_handle->saved_error = errnum;
}
return SOCKET_ERROR;
}
info = mono_thread_info_current ();
fds.fd = sock;
fds.events = MONO_POLLOUT;
while (mono_poll (&fds, 1, -1) == -1 && !mono_thread_info_is_interrupt_state (info)) {
if (errno != EINTR) {
gint errnum = errno;
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: connect poll error: %s", __func__, g_strerror (errno));
mono_w32socket_set_last_error (mono_w32socket_convert_error (errnum));
return SOCKET_ERROR;
}
}
len = sizeof(so_error);
if (getsockopt (sock, SOL_SOCKET, SO_ERROR, &so_error, &len) == -1) {
gint errnum = errno;
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: connect getsockopt error: %s", __func__, g_strerror (errno));
mono_w32socket_set_last_error (mono_w32socket_convert_error (errnum));
return SOCKET_ERROR;
}
if (so_error != 0) {
gint errnum = mono_w32socket_convert_error (so_error);
/* Need to save this socket error */
socket_handle->saved_error = errnum;
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: connect getsockopt returned error: %s",
__func__, g_strerror (so_error));
mono_w32socket_set_last_error (errnum);
return SOCKET_ERROR;
}
}
return 0;
}
SOCKET
mono_w32socket_accept (SOCKET sock, struct sockaddr *addr, socklen_t *addrlen, gboolean blocking)
{
gpointer handle;
gpointer new_handle;
MonoW32HandleSocket *socket_handle;
MonoW32HandleSocket new_socket_handle;
SOCKET new_fd;
MonoThreadInfo *info;
if (addr != NULL && *addrlen < sizeof(struct sockaddr)) {
mono_w32socket_set_last_error (WSAEFAULT);
return INVALID_SOCKET;
}
handle = GUINT_TO_POINTER (sock);
if (!mono_w32handle_lookup (handle, MONO_W32HANDLE_SOCKET, (gpointer *)&socket_handle)) {
mono_w32socket_set_last_error (WSAENOTSOCK);
return INVALID_SOCKET;
}
info = mono_thread_info_current ();
do {
new_fd = accept (sock, addr, addrlen);
} while (new_fd == -1 && errno == EINTR && !mono_thread_info_is_interrupt_state (info));
if (new_fd == -1) {
gint errnum = errno;
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: accept error: %s", __func__, g_strerror(errno));
mono_w32socket_set_last_error (mono_w32socket_convert_error (errnum));
return INVALID_SOCKET;
}
if (new_fd >= mono_w32handle_fd_reserve) {
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: File descriptor is too big", __func__);
mono_w32socket_set_last_error (WSASYSCALLFAILURE);
close (new_fd);
return INVALID_SOCKET;
}
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 = mono_w32handle_new_fd (MONO_W32HANDLE_SOCKET, new_fd,
&new_socket_handle);
if(new_handle == INVALID_HANDLE_VALUE) {
g_warning ("%s: error creating socket handle", __func__);
mono_w32socket_set_last_error (ERROR_GEN_FAILURE);
return INVALID_SOCKET;
}
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: returning newly accepted socket handle %p with",
__func__, new_handle);
return new_fd;
}
int _wapi_connect(guint32 fd, const struct sockaddr *serv_addr,
socklen_t addrlen)
{
gpointer handle = GUINT_TO_POINTER (fd);
struct _WapiHandle_socket *socket_handle;
gboolean ok;
gint errnum;
MonoThreadInfo *info = mono_thread_info_current ();
if (mono_w32handle_get_type (handle) != MONO_W32HANDLE_SOCKET) {
WSASetLastError (WSAENOTSOCK);
return(SOCKET_ERROR);
}
if (connect (fd, serv_addr, addrlen) == -1) {
mono_pollfd fds;
int so_error;
socklen_t len;
errnum = errno;
if (errno != EINTR) {
MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: connect error: %s", __func__,
strerror (errnum));
errnum = errno_to_WSA (errnum, __func__);
if (errnum == WSAEINPROGRESS)
errnum = WSAEWOULDBLOCK; /* see bug #73053 */
WSASetLastError (errnum);
/*
* On solaris x86 getsockopt (SO_ERROR) is not set after
* connect () fails so we need to save this error.
*
* But don't do this for EWOULDBLOCK (bug 317315)
*/
if (errnum != WSAEWOULDBLOCK) {
ok = mono_w32handle_lookup (handle,
MONO_W32HANDLE_SOCKET,
(gpointer *)&socket_handle);
if (ok == FALSE) {
/* ECONNRESET means the socket was closed by another thread */
/* Async close on mac raises ECONNABORTED. */
if (errnum != WSAECONNRESET && errnum != WSAENETDOWN)
g_warning ("%s: error looking up socket handle %p (error %d)", __func__, handle, errnum);
} else {
socket_handle->saved_error = errnum;
}
}
return(SOCKET_ERROR);
}
fds.fd = fd;
fds.events = MONO_POLLOUT;
while (mono_poll (&fds, 1, -1) == -1 &&
!mono_thread_info_is_interrupt_state (info)) {
if (errno != EINTR) {
errnum = errno_to_WSA (errno, __func__);
MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: connect poll error: %s",
__func__, strerror (errno));
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__);
MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: connect getsockopt error: %s",
__func__, strerror (errno));
WSASetLastError (errnum);
return(SOCKET_ERROR);
}
if (so_error != 0) {
errnum = errno_to_WSA (so_error, __func__);
/* Need to save this socket error */
ok = mono_w32handle_lookup (handle, MONO_W32HANDLE_SOCKET,
(gpointer *)&socket_handle);
if (ok == FALSE) {
g_warning ("%s: error looking up socket handle %p", __func__, handle);
} else {
socket_handle->saved_error = errnum;
}
MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: connect getsockopt returned error: %s",
__func__, strerror (so_error));
WSASetLastError (errnum);
return(SOCKET_ERROR);
}
}
return(0);
}
void
mono_w32mutex_abandon (void)
{
MonoInternalThread *internal;
g_assert (mono_thread_internal_current_is_attached ());
internal = mono_thread_internal_current ();
g_assert (internal);
if (!internal->owned_mutexes)
return;
while (internal->owned_mutexes->len) {
MonoW32HandleType type;
MonoW32HandleMutex *mutex_handle;
MonoNativeThreadId tid;
gpointer handle;
handle = g_ptr_array_index (internal->owned_mutexes, 0);
switch (type = mono_w32handle_get_type (handle)) {
case MONO_W32HANDLE_MUTEX:
case MONO_W32HANDLE_NAMEDMUTEX:
break;
default:
g_assert_not_reached ();
}
if (!mono_w32handle_lookup (handle, type, (gpointer *)&mutex_handle)) {
g_error ("%s: error looking up %s handle %p",
__func__, mono_w32handle_get_typename (type), handle);
}
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: abandoning %s handle %p",
__func__, mono_w32handle_get_typename (type), handle);
tid = MONO_UINT_TO_NATIVE_THREAD_ID (internal->tid);
if (!pthread_equal (mutex_handle->tid, tid))
g_error ("%s: trying to release mutex %p acquired by thread %p from thread %p",
__func__, handle, (gpointer) mutex_handle->tid, (gpointer) tid);
mono_w32handle_lock_handle (handle);
mutex_handle->recursion = 0;
mutex_handle->tid = 0;
mutex_handle->abandoned = TRUE;
mono_w32handle_set_signal_state (handle, TRUE, FALSE);
thread_disown_mutex (internal, handle);
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: abandoned %s handle %p",
__func__, mono_w32handle_get_typename (type), handle);
mono_w32handle_unlock_handle (handle);
}
g_ptr_array_free (internal->owned_mutexes, TRUE);
internal->owned_mutexes = NULL;
}
MonoBoolean
ves_icall_System_Threading_Mutex_ReleaseMutex_internal (gpointer handle)
{
MonoW32HandleType type;
MonoW32HandleMutex *mutex_handle;
pthread_t tid;
gboolean ret;
if (handle == NULL) {
mono_w32error_set_last (ERROR_INVALID_HANDLE);
return FALSE;
}
switch (type = mono_w32handle_get_type (handle)) {
case MONO_W32HANDLE_MUTEX:
case MONO_W32HANDLE_NAMEDMUTEX:
break;
default:
mono_w32error_set_last (ERROR_INVALID_HANDLE);
return FALSE;
}
if (!mono_w32handle_lookup (handle, type, (gpointer *)&mutex_handle)) {
g_warning ("%s: error looking up %s handle %p",
__func__, mono_w32handle_get_typename (type), handle);
return FALSE;
}
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: releasing %s handle %p, tid: %p recursion: %d",
__func__, mono_w32handle_get_typename (type), handle, (gpointer) mutex_handle->tid, mutex_handle->recursion);
mono_w32handle_lock_handle (handle);
tid = pthread_self ();
if (mutex_handle->abandoned) {
// The Win32 ReleaseMutex() function returns TRUE for abandoned mutexes
ret = TRUE;
} else if (!pthread_equal (mutex_handle->tid, tid)) {
ret = FALSE;
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: we don't own %s handle %p (owned by %ld, me %ld)",
__func__, mono_w32handle_get_typename (type), handle, (long)mutex_handle->tid, (long)tid);
} else {
ret = TRUE;
/* OK, we own this mutex */
mutex_handle->recursion--;
if (mutex_handle->recursion == 0) {
thread_disown_mutex (mono_thread_internal_current (), handle);
mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: unlocking %s handle %p, tid: %p recusion : %d",
__func__, mono_w32handle_get_typename (type), handle, (gpointer) mutex_handle->tid, mutex_handle->recursion);
mutex_handle->tid = 0;
mono_w32handle_set_signal_state (handle, TRUE, FALSE);
}
}
mono_w32handle_unlock_handle (handle);
return ret;
}
int _wapi_getsockopt(guint32 fd, int level, int optname, void *optval,
socklen_t *optlen)
{
gpointer handle = GUINT_TO_POINTER (fd);
int ret;
struct timeval tv;
void *tmp_val;
struct _WapiHandle_socket *socket_handle;
gboolean ok;
if (mono_w32handle_get_type (handle) != MONO_W32HANDLE_SOCKET) {
WSASetLastError (WSAENOTSOCK);
return(SOCKET_ERROR);
}
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;
MONO_TRACE (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_LAYER, "%s: getsockopt error: %s", __func__,
strerror (errno));
errnum = errno_to_WSA (errnum, __func__);
WSASetLastError (errnum);
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 = mono_w32handle_lookup (handle, MONO_W32HANDLE_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);
}
