示例#1
0
int rsrcdbmgr_minor_attach(int major, int minor_guess) {
    dev_t ret;
    char  buffer[20];

    itoa(major, buffer, 10);
    ret = rsrcdbmgr_devno_attach(buffer, minor_guess, 0);
    return((ret == (dev_t)-1)  ? ret : minor(ret));
}
示例#2
0
int
resmgr_create_device(event_bus_line_t *line)
{
        devi_attr_t				*attr;
        resmgr_attr_t				res_attr;
	static resmgr_connect_funcs_t		connect_funcs;
	static resmgr_io_funcs_t		io_funcs;
        static int				once = 0;
        int					i;
	char					name[48];
        char					path[_POSIX_PATH_MAX];
	int					id;
        dev_t					d;

	if ((attr = malloc(sizeof(devi_attr_t))) == NULL) {
                errno_print("malloc");
                return (-1);
        }

	if (!once) {
                iofunc_func_init(_RESMGR_CONNECT_NFUNCS, &connect_funcs,
                                 _RESMGR_IO_NFUNCS, &io_funcs);
                connect_funcs.open = devi_open;
                io_funcs.devctl = devi_devctl;
                io_funcs.read = devi_read;
                io_funcs.close_ocb = devi_close;
                io_funcs.unblock = devi_unblock;
                io_funcs.notify = devi_notify;
                once = 1;
        }

        iofunc_attr_init(&attr->attr, 0666 | S_IFCHR, NULL, NULL);
	attr->flags = line->type;
        attr->ocb_list = NULL;
        line->attr = attr;

	switch (attr->flags) {

        case DEVI_CLASS_KBD:
                strcpy(name, "keyboard");
                break;
                
        case DEVI_CLASS_REL:
                strcpy(name, "mouse");
                break;
                
        case DEVI_CLASS_ABS:
                strcpy(name, "touch");
                break;
        }

        attr->line = line;

        memset(&res_attr, 0, sizeof(res_attr));
        res_attr.msg_max_size = 2048;
        res_attr.nparts_max = 3;

        for (i = 0; i < 10; i++) {

                sprintf(path, DEVICE_NAME, name, i);
                if (access(path, F_OK) != 0)
                        break;
        }
        if (i == 10) {

                char * pMsgTxt = "Error: unable to create device %s\n";
                fprintf(stderr, pMsgTxt, path);
                slogf(_SLOG_SETCODE(_SLOGC_INPUT, 0), _SLOG_ERROR, pMsgTxt, path);
                free(attr);
                return (-1);
        }

        id = resmgr_attach(devi_get_dispatch_handle(), &res_attr, path, 
                           _FTYPE_ANY, 0, &connect_funcs, 
                           &io_funcs, (void *) &attr->attr);

        if (id < 0) {
                char * pMsgTxt = "Error: could not attach resource manager\n";
                fprintf(stderr, pMsgTxt);
                slogf(_SLOG_SETCODE(_SLOGC_INPUT, 0), _SLOG_ERROR, pMsgTxt);
                free(attr);
                return (-1);
        }

        attr->attr.rdev = rsrcdbmgr_devno_attach(name, -1, 0);
        resmgr_devino(id, &d, &attr->attr.inode);

        return (0);
}