int giiExit(void)
{
DPRINT_CORE("giiExit() called\n");
if (!_giiLibIsUp)
return GGI_ENOTALLOC;
if (_giiLibIsUp > 1) {
_giiLibIsUp--;
return _giiLibIsUp;
}
DPRINT_CORE("giiExit: really destroying.\n");
_giiExitBuiltins();
ggFreeConfig(_giiconfhandle);
ggLockDestroy(_gii_global_lock);
ggLockDestroy(_gii_safe_lock);
ggLockDestroy(_gii_event_lock);
/* Set them back to initialization value.
* Otherwise this leads to a memory corruption bug,
* when gii is initialized again in the same application.
*/
_giiconfhandle = NULL;
_gii_global_lock = NULL;
_gii_safe_lock = NULL;
_gii_event_lock = NULL;
ggExit();
_giiLibIsUp=0;
DPRINT_CORE("giiExit: done!\n");
return 0;
}
int ggiMesaInit()
{
int err;
char *str;
char *conffile;
GGIMESADPRINT_CORE("ggiMesaInit() called\n");
_ggimesaLibIsUp++;
if (_ggimesaLibIsUp > 1) return 0; /* Initialize only at first call */
str = getenv("GGIMESA_DEBUGSYNC");
if (str != NULL) {
_ggimesaDebugSync = 1;
}
str = getenv("GGIMESA_DEBUG");
if (str != NULL) {
_ggimesaDebugState = atoi(str);
GGIMESADPRINT_CORE("%s Debugging=%d\n",
_ggimesaDebugSync ? "sync" : "async",
_ggimesaDebugState);
}
conffile = malloc(strlen(ggiMesaGetConfDir()) + 1
+ strlen(GGIMESACONFFILE) +1);
if (conffile == NULL) {
fprintf(stderr, "GGIMesa: unable to allocate memory for config filename.\n");
return GGI_ENOMEM;
}
sprintf(conffile, "%s%c%s",
ggiMesaGetConfDir(), '/', GGIMESACONFFILE);
err = ggLoadConfig(conffile, &_ggimesaConfigHandle);
if (err != GGI_OK) {
fprintf(stderr, "GGIMesa: Couldn't open %s\n",
conffile);
free(conffile);
_ggimesaLibIsUp--;
return err;
}
free(conffile);
_ggiMesaID = ggiExtensionRegister("GGIMesa",
sizeof(struct ggi_mesa_ext), changed);
if (_ggiMesaID < 0) {
fprintf(stderr, "GGIMesa: failed to register as extension\n");
_ggimesaLibIsUp--;
ggFreeConfig(_ggimesaConfigHandle);
return _ggiMesaID;
}
return 0;
}
int ggiMesaExit(void)
{
int rc;
GGIMESADPRINT_CORE("ggiMesaExit() called\n");
if (!_ggimesaLibIsUp) return -1;
if (_ggimesaLibIsUp > 1) {
/* Exit only at last call */
_ggimesaLibIsUp--;
return 0;
}
rc = ggiExtensionUnregister(_ggiMesaID);
ggFreeConfig(_ggimesaConfigHandle);
_ggimesaLibIsUp = 0;
return rc;
}
