/* Function: al_run_detached_thread
*/
void al_run_detached_thread(void *(*proc)(void *arg), void *arg)
{
ALLEGRO_THREAD *outer = create_thread();
outer->thread_state = THREAD_STATE_DETACHED;
outer->arg = arg;
outer->proc = proc;
_al_thread_create(&outer->thread, detached_thread_func_trampoline, outer);
_al_thread_detach(&outer->thread);
}
/* Function: al_create_thread
*/
ALLEGRO_THREAD *al_create_thread(
void *(*proc)(ALLEGRO_THREAD *thread, void *arg), void *arg)
{
ALLEGRO_THREAD *outer = create_thread();
outer->thread_state = THREAD_STATE_CREATED;
_al_mutex_init(&outer->mutex);
_al_cond_init(&outer->cond);
outer->arg = arg;
outer->proc = proc;
_al_thread_create(&outer->thread, thread_func_trampoline, outer);
/* XXX _al_thread_create should return an error code */
return outer;
}
static ALLEGRO_SYSTEM *xglx_initialize(int flags)
{
Display *x11display;
Display *gfxdisplay;
ALLEGRO_SYSTEM_XGLX *s;
(void)flags;
#ifdef DEBUG_X11
_Xdebug = 1;
#endif
XInitThreads();
/* Get an X11 display handle. */
x11display = XOpenDisplay(0);
if (x11display) {
/* Never ask. */
gfxdisplay = XOpenDisplay(0);
if (!gfxdisplay) {
ALLEGRO_ERROR("XOpenDisplay failed second time.\n");
XCloseDisplay(x11display);
return NULL;
}
}
else {
ALLEGRO_INFO("XOpenDisplay failed; assuming headless mode.\n");
gfxdisplay = NULL;
}
_al_unix_init_time();
s = al_calloc(1, sizeof *s);
_al_mutex_init_recursive(&s->lock);
_al_cond_init(&s->resized);
s->inhibit_screensaver = false;
_al_vector_init(&s->system.displays, sizeof (ALLEGRO_DISPLAY_XGLX *));
s->system.vt = xglx_vt;
s->gfxdisplay = gfxdisplay;
s->x11display = x11display;
if (s->x11display) {
ALLEGRO_INFO("XGLX driver connected to X11 (%s %d).\n",
ServerVendor(s->x11display), VendorRelease(s->x11display));
ALLEGRO_INFO("X11 protocol version %d.%d.\n",
ProtocolVersion(s->x11display), ProtocolRevision(s->x11display));
/* We need to put *some* atom into the ClientMessage we send for
* faking mouse movements with al_set_mouse_xy - so let's ask X11
* for one here.
*/
s->AllegroAtom = XInternAtom(x11display, "AllegroAtom", False);
/* Message type for XEmbed protocol. */
s->XEmbedAtom = XInternAtom(x11display, "_XEMBED", False);
_al_thread_create(&s->xevents_thread, _al_xwin_background_thread, s);
s->have_xevents_thread = true;
ALLEGRO_INFO("events thread spawned.\n");
}
return &s->system;
}
/* Create a new system object for the dummy X11 driver. */
static ALLEGRO_SYSTEM *xglx_initialize(int flags)
{
Display *x11display;
Display *gfxdisplay;
ALLEGRO_SYSTEM_XGLX *s;
(void)flags;
#ifdef DEBUG_X11
_Xdebug = 1;
#endif
XInitThreads();
/* Get an X11 display handle. */
x11display = XOpenDisplay(0);
if (!x11display) {
ALLEGRO_ERROR("XOpenDisplay failed.\n");
return NULL;
}
/* Never ask. */
gfxdisplay = XOpenDisplay(0);
if (!gfxdisplay) {
ALLEGRO_ERROR("XOpenDisplay failed.\n");
XCloseDisplay(x11display);
return NULL;
}
_al_unix_init_time();
s = _AL_MALLOC(sizeof *s);
memset(s, 0, sizeof *s);
/* We need to put *some* atom into the ClientMessage we send for
* faking mouse movements with al_set_mouse_xy - so lets ask X11
* for one here.
*/
s->AllegroAtom = XInternAtom(x11display, "AllegroAtom", False);
_al_mutex_init_recursive(&s->lock);
_al_cond_init(&s->resized);
s->inhibit_screensaver = false;
_al_vector_init(&s->system.displays, sizeof (ALLEGRO_DISPLAY_XGLX *));
s->gfxdisplay = gfxdisplay;
s->x11display = x11display;
s->system.vt = xglx_vt;
ALLEGRO_INFO("XGLX driver connected to X11 (%s %d).\n",
ServerVendor(s->x11display), VendorRelease(s->x11display));
ALLEGRO_INFO("X11 protocol version %d.%d.\n",
ProtocolVersion(s->x11display), ProtocolRevision(s->x11display));
#ifdef ALLEGRO_XWINDOWS_WITH_XINERAMA
_al_xsys_xinerama_init(s);
#endif
_al_xglx_store_video_mode(s);
_al_thread_create(&s->thread, xglx_background_thread, s);
ALLEGRO_INFO("events thread spawned.\n");
return &s->system;
}