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Add start of tty code for open/close/etc tty operations 

Signed-off-by: Chris Michael <cp.michael@samsung.com>
This commit is contained in:
Chris Michael 2013-12-09 11:09:55 +00:00
parent 2f78806319
commit b2590044e9
1 changed files with 90 additions and 0 deletions
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90
src/lib/ecore_drm/ecore_drm_tty.c Normal file
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#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "ecore_drm_private.h"
/**
* @defgroup Ecore_Drm_Tty_Group Tty manipulation functions
*
* Functions that deal with opening, closing, and otherwise using a tty
*/
/**
* Open a tty for use
*
* @param dev The Ecore_Drm_Device that this tty will belong to.
* @param name The name of the tty to try and open.
* If NULL, /dev/tty0 will be used.
*
* @return EINA_TRUE on success, EINA_FALSE on failure
*
* @ingroup Ecore_Drm_Tty_Group
*/
EAPI Eina_Bool
ecore_drm_tty_open(Ecore_Drm_Device *dev, const char *name)
{
char tty[32] = "<stdin>";
struct stat st;
void *data;
int fd = -1;
Eina_Bool ret = EINA_FALSE;
/* check for valid device */
if ((!dev) || (!dev->devname)) return EINA_FALSE;
/* assign default tty fd of -1 */
dev->tty.fd = -1;
if (!name)
{
char *env;
if ((env = getenv("ECORE_DRM_TTY")))
snprintf(tty, sizeof(tty), "%s", env);
else
{
snprintf(tty, sizeof(tty), "%s", "/dev/tty0");
// dev->tty.fd = dup(0);
}
}
else // FIXME: NB: This should Really check for format of name (/dev/xyz)
snprintf(tty, sizeof(tty), "%s", name);
if (dev->tty.fd < 0)
{
/* try to open the tty */
_ecore_drm_message_send(ECORE_DRM_OP_TTY_OPEN, tty, strlen(tty));
/* get the result of the open operation */
ret = _ecore_drm_message_receive(ECORE_DRM_OP_TTY_OPEN, &data, sizeof(int));
fd = *((int *)data);
if (ret)
{
DBG("SUCCESS !!!: %d", fd);
}
else
{
DBG("FAILURE !!!: %d", fd);
}
}
return EINA_TRUE;
}
/**
* Close an already opened tty
*
* @param dev The Ecore_Drm_Device which owns this tty.
*
* @return EINA_TRUE on success, EINA_FALSE on failure
*
* @ingroup Ecore_Drm_Tty_Group
*/
EAPI Eina_Bool
ecore_drm_tty_close(Ecore_Drm_Device *dev)
{
return EINA_TRUE;
}