#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
-#include <netinet/in.h>
#include <fcntl.h>
#include <errno.h>
#include "xcbint.h"
#if USE_POLL
#include <poll.h>
-#else
+#elif !defined _WIN32
#include <sys/select.h>
#endif
+#ifdef _WIN32
+#include "xcb_windefs.h"
+#else
+#include <netinet/in.h>
+#endif /* _WIN32 */
+
+/* SHUT_RDWR is fairly recent and is not available on all platforms */
+#if !defined(SHUT_RDWR)
+#define SHUT_RDWR 2
+#endif
+
typedef struct {
uint8_t status;
uint8_t pad0[5];
uint16_t length;
} xcb_setup_generic_t;
-static const int error_connection = 1;
+const int error_connection = 1;
static int set_fd_flags(const int fd)
{
+/* Win32 doesn't have file descriptors and the fcntl function. This block sets the socket in non-blocking mode */
+
+#ifdef _WIN32
+ u_long iMode = 1; /* non-zero puts it in non-blocking mode, 0 in blocking mode */
+ int ret = 0;
+
+ ret = ioctlsocket(fd, FIONBIO, &iMode);
+ if(ret != 0)
+ return 0;
+ return 1;
+#else
int flags = fcntl(fd, F_GETFL, 0);
if(flags == -1)
return 0;
if(fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
return 0;
return 1;
+#endif /* _WIN32 */
}
static int write_setup(xcb_connection_t *c, xcb_auth_info_t *auth_info)
{
int n;
assert(!c->out.queue_len);
+
+#ifdef _WIN32
+ int i = 0;
+ int ret = 0,err = 0;
+ struct iovec *vec;
+ n = 0;
+
+ /* Could use the WSASend win32 function for scatter/gather i/o but setting up the WSABUF struct from
+ an iovec would require more work and I'm not sure of the benefit....works for now */
+ vec = *vector;
+ while(i < *count)
+ {
+ ret = send(c->fd,vec->iov_base,vec->iov_len,0);
+ if(ret == SOCKET_ERROR)
+ {
+ err = WSAGetLastError();
+ if(err == WSAEWOULDBLOCK)
+ {
+ return 1;
+ }
+ }
+ n += ret;
+ *vec++;
+ i++;
+ }
+#else
n = writev(c->fd, *vector, *count);
if(n < 0 && errno == EAGAIN)
return 1;
+#endif /* _WIN32 */
+
if(n <= 0)
{
_xcb_conn_shutdown(c);
{
xcb_connection_t* c;
+#ifndef _WIN32
#ifndef USE_POLL
if(fd >= FD_SETSIZE) /* would overflow in FD_SET */
{
return (xcb_connection_t *) &error_connection;
}
#endif
+#endif /* !_WIN32*/
c = calloc(1, sizeof(xcb_connection_t));
if(!c) {
void xcb_disconnect(xcb_connection_t *c)
{
- if(c->has_error)
+ if(c == (xcb_connection_t *) &error_connection)
return;
free(c->setup);
+
+ /* disallow further sends and receives */
+ shutdown(c->fd, SHUT_RDWR);
close(c->fd);
pthread_mutex_destroy(&c->iolock);
pthread_mutex_unlock(&c->iolock);
do {
#if USE_POLL
- ret = poll(&fd, 1, -1);
+ ret = poll(&fd, 1, -1);
+ /* If poll() returns an event we didn't expect, such as POLLNVAL, treat
+ * it as if it failed. */
+ if(ret >= 0 && (fd.revents & ~fd.events))
+ {
+ ret = -1;
+ break;
+ }
#else
- ret = select(c->fd + 1, &rfds, &wfds, 0, 0);
+ ret = select(c->fd + 1, &rfds, &wfds, 0, 0);
#endif
} while (ret == -1 && errno == EINTR);
- if (ret < 0)
+ if(ret < 0)
{
_xcb_conn_shutdown(c);
- ret = 0;
+ ret = 0;
}
pthread_mutex_lock(&c->iolock);