DFBResult
dfb_vt_initialize()
{
DFBResult ret;
struct vt_stat vs;
D_DEBUG_AT( VT, "%s()\n", __FUNCTION__ );
dfb_vt = D_CALLOC( 1, sizeof(VirtualTerminal) );
setsid();
dfb_vt->fd0 = open( "/dev/tty0", O_RDONLY | O_NOCTTY );
if (dfb_vt->fd0 < 0) {
if (errno == ENOENT) {
dfb_vt->fd0 = open( "/dev/vc/0", O_RDONLY | O_NOCTTY );
if (dfb_vt->fd0 < 0) {
if (errno == ENOENT) {
D_PERROR( "DirectFB/core/vt: Couldn't open "
"neither `/dev/tty0' nor `/dev/vc/0'!\n" );
}
else {
D_PERROR( "DirectFB/core/vt: "
"Error opening `/dev/vc/0'!\n" );
}
D_FREE( dfb_vt );
dfb_vt = NULL;
return DFB_INIT;
}
}
else {
D_PERROR( "DirectFB/core/vt: Error opening `/dev/tty0'!\n");
D_FREE( dfb_vt );
dfb_vt = NULL;
return DFB_INIT;
}
}
if (ioctl( dfb_vt->fd0, VT_GETSTATE, &vs ) < 0) {
D_PERROR( "DirectFB/core/vt: VT_GETSTATE failed!\n" );
close( dfb_vt->fd0 );
D_FREE( dfb_vt );
dfb_vt = NULL;
return DFB_INIT;
}
dfb_vt->prev = vs.v_active;
if (!dfb_config->vt_switch) {
if (dfb_config->vt_num != -1)
dfb_vt->num = dfb_config->vt_num;
else
dfb_vt->num = dfb_vt->prev;
/* move vt to framebuffer */
dfb_vt->old_fb = vt_get_fb( dfb_vt->num );
vt_set_fb( dfb_vt->num, -1 );
}
else {
if (dfb_config->vt_num == -1) {
int n;
n = ioctl( dfb_vt->fd0, VT_OPENQRY, &dfb_vt->num );
if (n < 0 || dfb_vt->num == -1) {
D_PERROR( "DirectFB/core/vt: Cannot allocate VT!\n" );
close( dfb_vt->fd0 );
D_FREE( dfb_vt );
dfb_vt = NULL;
return DFB_INIT;
}
}
else {
dfb_vt->num = dfb_config->vt_num;
}
/* move vt to framebuffer */
dfb_vt->old_fb = vt_get_fb( dfb_vt->num );
vt_set_fb( dfb_vt->num, -1 );
/* switch to vt */
while (ioctl( dfb_vt->fd0, VT_ACTIVATE, dfb_vt->num ) < 0) {
if (errno == EINTR)
continue;
D_PERROR( "DirectFB/core/vt: VT_ACTIVATE failed!\n" );
close( dfb_vt->fd0 );
D_FREE( dfb_vt );
dfb_vt = NULL;
return DFB_INIT;
}
while (ioctl( dfb_vt->fd0, VT_WAITACTIVE, dfb_vt->num ) < 0) {
if (errno == EINTR)
continue;
D_PERROR( "DirectFB/core/vt: VT_WAITACTIVE failed!\n" );
close( dfb_vt->fd0 );
D_FREE( dfb_vt );
dfb_vt = NULL;
return DFB_INIT;
}
usleep( 40000 );
}
ret = vt_init_switching();
if (ret) {
if (dfb_config->vt_switch) {
D_DEBUG_AT( VT, " -> switching back...\n" );
ioctl( dfb_vt->fd0, VT_ACTIVATE, dfb_vt->prev );
ioctl( dfb_vt->fd0, VT_WAITACTIVE, dfb_vt->prev );
D_DEBUG_AT( VT, " -> ...switched back\n" );
ioctl( dfb_vt->fd0, VT_DISALLOCATE, dfb_vt->num );
}
close( dfb_vt->fd0 );
D_FREE( dfb_vt );
dfb_vt = NULL;
return ret;
}
dfb_fbdev->vt = dfb_vt;
return DFB_OK;
}
DFBResult
dfb_vt_initialize()
{
DFBResult ret;
struct vt_stat vs;
dfb_vt = (VirtualTerminal*)DFBCALLOC( 1, sizeof(VirtualTerminal) );
Sdfb_vt = (VirtualTerminalShared*)shmalloc( sizeof(VirtualTerminal) );
setsid();
dfb_vt->fd0 = open( "/dev/tty0", O_WRONLY );
if (dfb_vt->fd0 < 0) {
if (errno == ENOENT) {
dfb_vt->fd0 = open( "/dev/vc/0", O_RDWR );
if (dfb_vt->fd0 < 0) {
if (errno == ENOENT) {
PERRORMSG( "DirectFB/core/vt: Couldn't open "
"neither `/dev/tty0' nor `/dev/vc/0'!\n" );
}
else {
PERRORMSG( "DirectFB/core/vt: "
"Error opening `/dev/vc/0'!\n" );
}
DFBFREE( dfb_vt );
dfb_vt = NULL;
return DFB_INIT;
}
}
else {
PERRORMSG( "DirectFB/core/vt: Error opening `/dev/tty0'!\n");
DFBFREE( dfb_vt );
dfb_vt = NULL;
return DFB_INIT;
}
}
if (ioctl( dfb_vt->fd0, VT_GETSTATE, &vs ) < 0) {
PERRORMSG( "DirectFB/core/vt: VT_GETSTATE failed!\n" );
close( dfb_vt->fd0 );
DFBFREE( dfb_vt );
dfb_vt = NULL;
return DFB_INIT;
}
Sdfb_vt->prev = vs.v_active;
if (!dfb_config->vt_switch) {
dfb_vt->fd = dfb_vt->fd0;
Sdfb_vt->num = Sdfb_vt->prev;
/* move vt to framebuffer */
Sdfb_vt->old_fb = vt_get_fb( Sdfb_vt->num );
vt_set_fb( Sdfb_vt->num, -1 );
}
else {
int n;
n = ioctl( dfb_vt->fd0, VT_OPENQRY, &Sdfb_vt->num );
if (n < 0 || Sdfb_vt->num == -1) {
PERRORMSG( "DirectFB/core/vt: Cannot allocate VT!\n" );
close( dfb_vt->fd0 );
DFBFREE( dfb_vt );
dfb_vt = NULL;
return DFB_INIT;
}
/* move vt to framebuffer */
Sdfb_vt->old_fb = vt_get_fb( Sdfb_vt->num );
vt_set_fb( Sdfb_vt->num, -1 );
/* switch to vt */
while (ioctl( dfb_vt->fd0, VT_ACTIVATE, Sdfb_vt->num ) < 0) {
if (errno == EINTR)
continue;
PERRORMSG( "DirectFB/core/vt: VT_ACTIVATE failed!\n" );
close( dfb_vt->fd0 );
DFBFREE( dfb_vt );
dfb_vt = NULL;
return DFB_INIT;
}
while (ioctl( dfb_vt->fd0, VT_WAITACTIVE, Sdfb_vt->num ) < 0) {
if (errno == EINTR)
continue;
PERRORMSG( "DirectFB/core/vt: VT_WAITACTIVE failed!\n" );
close( dfb_vt->fd0 );
DFBFREE( dfb_vt );
dfb_vt = NULL;
return DFB_INIT;
}
usleep( 40000 );
}
ret = vt_init_switching();
if (ret) {
if (dfb_config->vt_switch) {
DEBUGMSG( "switching back...\n" );
ioctl( dfb_vt->fd0, VT_ACTIVATE, Sdfb_vt->prev );
ioctl( dfb_vt->fd0, VT_WAITACTIVE, Sdfb_vt->prev );
DEBUGMSG( "...switched back\n" );
ioctl( dfb_vt->fd0, VT_DISALLOCATE, Sdfb_vt->num );
}
close( dfb_vt->fd0 );
DFBFREE( dfb_vt );
dfb_vt = NULL;
return ret;
}
return DFB_OK;
}
