gint
ide_vte_pty_create_slave (VtePty *pty)
{
gint master_fd;
#ifdef HAVE_PTSNAME_R
char name[PATH_MAX + 1];
#else
const char *name;
#endif
g_assert (VTE_IS_PTY (pty));
if (-1 == (master_fd = vte_pty_get_fd (pty)))
return -1;
if (grantpt (master_fd) != 0)
return -1;
if (unlockpt (master_fd) != 0)
return -1;
#ifdef HAVE_PTSNAME_R
if (ptsname_r (master_fd, name, sizeof name - 1) != 0)
return -1;
name[sizeof name - 1] = '\0';
#else
if (NULL == (name = ptsname (master_fd)))
return -1;
#endif
return open (name, O_RDWR | O_CLOEXEC);
}
static void *proc_allvte(void *p)
{
int master = vte_pty_get_fd((VtePty*)p);
int slave = open(ptsname(master), O_RDWR);
// raw 模式
struct termios tio;
tcgetattr(slave, &tio);
cfmakeraw(&tio);
tcsetattr(slave, TCSADRAIN, &tio);
fd_set set;
while (1) {
FD_ZERO(&set);
FD_SET(slave, &set);
struct timeval tv = {0, 100};
if (select(slave+1, &set, NULL, NULL, &tv) > 0) {
char buf[256];
int len = read(slave, buf, sizeof(buf));
if (len > 0) {
buf[len] = '\0';
page_foreach_send_string(buf);
}
}
usleep(1000);
}
return NULL;
}
/**
* vte_pty_get_size:
* @pty: a #VtePty
* @rows: (out) (allow-none): a location to store the number of rows, or %NULL
* @columns: (out) (allow-none): a location to store the number of columns, or %NULL
* @error: return location to store a #GError, or %NULL
*
* Reads the pseudo terminal's window size.
*
* If getting the window size failed, @error will be set to a #GIOError.
*
* Returns: %TRUE on success, %FALSE on failure with @error filled in
*/
gboolean
vte_pty_get_size(VtePty *pty,
int *rows,
int *columns,
GError **error)
{
struct winsize size;
int master;
int ret;
g_return_val_if_fail(VTE_IS_PTY(pty), FALSE);
master = vte_pty_get_fd(pty);
memset(&size, 0, sizeof(size));
ret = ioctl(master, TIOCGWINSZ, &size);
if (ret == 0) {
if (columns != NULL) {
*columns = size.ws_col;
}
if (rows != NULL) {
*rows = size.ws_row;
}
_vte_debug_print(VTE_DEBUG_PTY,
"Size on fd %d is (%d,%d).\n",
master, size.ws_col, size.ws_row);
return TRUE;
} else {
int errsv = errno;
g_set_error(error, G_IO_ERROR,
g_io_error_from_errno(errsv),
"Failed to get window size: %s",
g_strerror(errsv));
_vte_debug_print(VTE_DEBUG_PTY,
"Failed to read size from fd %d: %s\n",
master, g_strerror(errsv));
errno = errsv;
return FALSE;
}
}
/**
* vte_pty_set_size:
* @pty: a #VtePty
* @rows: the desired number of rows
* @columns: the desired number of columns
* @error: (allow-none): return location to store a #GError, or %NULL
*
* Attempts to resize the pseudo terminal's window size. If successful, the
* OS kernel will send #SIGWINCH to the child process group.
*
* If setting the window size failed, @error will be set to a #GIOError.
*
* Returns: %TRUE on success, %FALSE on failure with @error filled in
*/
gboolean
vte_pty_set_size(VtePty *pty,
int rows,
int columns,
GError **error)
{
struct winsize size;
int master;
int ret;
g_return_val_if_fail(VTE_IS_PTY(pty), FALSE);
master = vte_pty_get_fd(pty);
memset(&size, 0, sizeof(size));
size.ws_row = rows > 0 ? rows : 24;
size.ws_col = columns > 0 ? columns : 80;
_vte_debug_print(VTE_DEBUG_PTY,
"Setting size on fd %d to (%d,%d).\n",
master, columns, rows);
ret = ioctl(master, TIOCSWINSZ, &size);
if (ret != 0) {
int errsv = errno;
g_set_error(error, G_IO_ERROR,
g_io_error_from_errno(errsv),
"Failed to set window size: %s",
g_strerror(errsv));
_vte_debug_print(VTE_DEBUG_PTY,
"Failed to set size on %d: %s.\n",
master, g_strerror(errsv));
errno = errsv;
return FALSE;
}
return TRUE;
}
static void
vte_pty_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
VtePty *pty = VTE_PTY (object);
VtePtyPrivate *priv = pty->priv;
switch (property_id) {
case PROP_FLAGS:
g_value_set_flags(value, priv->flags);
break;
case PROP_FD:
g_value_set_int(value, vte_pty_get_fd(pty));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
}
}
