Changes in uspace/lib/c/generic/loc.c [0fe52ef:45058baa] in mainline
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uspace/lib/c/generic/loc.c
r0fe52ef r45058baa 45 45 static FIBRIL_MUTEX_INITIALIZE(loc_consumer_mutex); 46 46 47 static FIBRIL_MUTEX_INITIALIZE(loc_callback_mutex);48 static bool loc_callback_created = false;49 50 47 static async_sess_t *loc_supp_block_sess = NULL; 51 48 static async_sess_t *loc_cons_block_sess = NULL; … … 54 51 static async_sess_t *loc_consumer_sess = NULL; 55 52 56 static loc_cat_change_cb_t cat_change_cb = NULL;57 58 static void loc_cb_conn(ipc_callid_t iid, ipc_call_t *icall, void *arg)59 {60 loc_cat_change_cb_t cb_fun;61 62 while (true) {63 ipc_call_t call;64 ipc_callid_t callid = async_get_call(&call);65 66 if (!IPC_GET_IMETHOD(call)) {67 /* TODO: Handle hangup */68 return;69 }70 71 int retval;72 73 switch (IPC_GET_IMETHOD(call)) {74 case LOC_EVENT_CAT_CHANGE:75 fibril_mutex_lock(&loc_callback_mutex);76 cb_fun = cat_change_cb;77 if (cb_fun != NULL) {78 (*cb_fun)();79 }80 fibril_mutex_unlock(&loc_callback_mutex);81 retval = 0;82 break;83 default:84 retval = ENOTSUP;85 }86 87 async_answer_0(callid, retval);88 }89 }90 91 92 53 static void clone_session(fibril_mutex_t *mtx, async_sess_t *src, 93 54 async_sess_t **dst) … … 99 60 100 61 fibril_mutex_unlock(mtx); 101 }102 103 static int loc_callback_create(void)104 {105 async_exch_t *exch;106 sysarg_t retval;107 int rc = EOK;108 109 fibril_mutex_lock(&loc_callback_mutex);110 111 if (!loc_callback_created) {112 exch = loc_exchange_begin_blocking(LOC_PORT_CONSUMER);113 114 ipc_call_t answer;115 aid_t req = async_send_0(exch, LOC_CALLBACK_CREATE, &answer);116 async_connect_to_me(exch, 0, 0, 0, loc_cb_conn, NULL);117 loc_exchange_end(exch);118 119 async_wait_for(req, &retval);120 if (rc != EOK)121 goto done;122 123 if (retval != EOK) {124 rc = retval;125 goto done;126 }127 128 loc_callback_created = true;129 }130 131 rc = EOK;132 done:133 fibril_mutex_unlock(&loc_callback_mutex);134 return rc;135 62 } 136 63 … … 267 194 } 268 195 269 /** Register new service.270 * 271 * The @p interface is used when forwarding connection to the server.196 /** Register new device. 197 * 198 * The @p interface is used when forwarding connection to the driver. 272 199 * If not 0, the first argument is the interface and the second argument 273 200 * is the service ID. … … 276 203 * the handle (to ensure backward compatibility). 277 204 * 278 * @param fq sn Fully qualified service name279 * @param[out] sid Service ID of new service280 * @param interface Interface when forwarding 281 * 282 */ 283 int loc_service_register_with_iface(const char *fq sn,284 service_id_t * sid, sysarg_t interface)205 * @param fqdn Fully qualified device name. 206 * @param[out] handle Handle to the created instance of device. 207 * @param interface Interface when forwarding. 208 * 209 */ 210 int loc_service_register_with_iface(const char *fqdn, 211 service_id_t *handle, sysarg_t interface) 285 212 { 286 213 async_exch_t *exch = loc_exchange_begin_blocking(LOC_PORT_SUPPLIER); … … 289 216 aid_t req = async_send_2(exch, LOC_SERVICE_REGISTER, interface, 0, 290 217 &answer); 291 sysarg_t retval = async_data_write_start(exch, fq sn, str_size(fqsn));218 sysarg_t retval = async_data_write_start(exch, fqdn, str_size(fqdn)); 292 219 293 220 loc_exchange_end(exch); … … 301 228 302 229 if (retval != EOK) { 303 if ( sid!= NULL)304 * sid= -1;305 306 return retval; 307 } 308 309 if ( sid!= NULL)310 * sid= (service_id_t) IPC_GET_ARG1(answer);230 if (handle != NULL) 231 *handle = -1; 232 233 return retval; 234 } 235 236 if (handle != NULL) 237 *handle = (service_id_t) IPC_GET_ARG1(answer); 311 238 312 239 return retval; 313 240 } 314 241 315 /** Register new service. 316 * 317 * @param fqsn Fully qualified service name 318 * @param sid Output: ID of new service 319 * 320 */ 321 int loc_service_register(const char *fqdn, service_id_t *sid) 322 { 323 return loc_service_register_with_iface(fqdn, sid, 0); 324 } 325 326 /** Unregister service. 327 * 328 * @param sid Service ID 329 */ 330 int loc_service_unregister(service_id_t sid) 331 { 332 async_exch_t *exch; 333 sysarg_t retval; 334 335 exch = loc_exchange_begin_blocking(LOC_PORT_SUPPLIER); 336 retval = async_req_1_0(exch, LOC_SERVICE_UNREGISTER, sid); 337 loc_exchange_end(exch); 338 339 return (int)retval; 242 /** Register new device. 243 * 244 * @param fqdn Fully qualified device name. 245 * @param handle Output: Handle to the created instance of device. 246 * 247 */ 248 int loc_service_register(const char *fqdn, service_id_t *handle) 249 { 250 return loc_service_register_with_iface(fqdn, handle, 0); 340 251 } 341 252 … … 380 291 } 381 292 382 /** Get object name. 383 * 384 * Provided ID of an object, return its name. 385 * 386 * @param method IPC method 387 * @param id Object ID 293 /** Get service name. 294 * 295 * Provided ID of a service, return its name. 296 * 297 * @param svc_id Service ID 388 298 * @param name Place to store pointer to new string. Caller should 389 299 * free it using free(). 390 300 * @return EOK on success or negative error code 391 301 */ 392 static int loc_get_name_internal(sysarg_t method, sysarg_tid, char **name)302 int loc_service_get_name(service_id_t svc_id, char **name) 393 303 { 394 304 async_exch_t *exch; … … 402 312 403 313 ipc_call_t answer; 404 aid_t req = async_send_1(exch, method,id, &answer);314 aid_t req = async_send_1(exch, LOC_SERVICE_GET_NAME, svc_id, &answer); 405 315 aid_t dreq = async_data_read(exch, name_buf, LOC_NAME_MAXLEN, 406 316 &dreply); … … 431 341 } 432 342 433 /** Get category name.434 *435 * Provided ID of a service, return its name.436 *437 * @param cat_id Category ID438 * @param name Place to store pointer to new string. Caller should439 * free it using free().440 * @return EOK on success or negative error code441 */442 int loc_category_get_name(category_id_t cat_id, char **name)443 {444 return loc_get_name_internal(LOC_CATEGORY_GET_NAME, cat_id, name);445 }446 447 /** Get service name.448 *449 * Provided ID of a service, return its name.450 *451 * @param svc_id Service ID452 * @param name Place to store pointer to new string. Caller should453 * free it using free().454 * @return EOK on success or negative error code455 */456 int loc_service_get_name(service_id_t svc_id, char **name)457 {458 return loc_get_name_internal(LOC_SERVICE_GET_NAME, svc_id, name);459 }460 343 461 344 int loc_namespace_get_id(const char *name, service_id_t *handle, … … 866 749 data, count); 867 750 } 868 869 int loc_register_cat_change_cb(loc_cat_change_cb_t cb_fun)870 {871 if (loc_callback_create() != EOK)872 return EIO;873 874 cat_change_cb = cb_fun;875 return EOK;876 }
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