Changeset bf75e3cb in mainline
- Timestamp:
- 2011-01-26T20:22:21Z (14 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- 4e7d3dd, 5b7a107, 875c629
- Parents:
- a0ce870 (diff), 4fe94c66 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the(diff)
links above to see all the changes relative to each parent. - Files:
-
- 36 edited
Legend:
- Unmodified
- Added
- Removed
-
kernel/generic/include/ipc/ipc.h
ra0ce870 rbf75e3cb 165 165 * error is sent back to caller. Otherwise 166 166 * the call is accepted and the response is sent back. 167 * - the allocated phoneid is passed to userspace 167 * - the hash of the client task is passed to userspace 168 * (on the receiving side) as ARG4 of the call. 169 * - the hash of the allocated phone is passed to userspace 168 170 * (on the receiving side) as ARG5 of the call. 169 171 * … … 319 321 typedef struct { 320 322 sysarg_t args[IPC_CALL_LEN]; 323 /** Task which made or forwarded the call with IPC_FF_ROUTE_FROM_ME. */ 324 struct task *task; 325 /** Phone which made or last masqueraded this call. */ 321 326 phone_t *phone; 322 327 } ipc_data_t; -
kernel/generic/src/ipc/ipc.c
ra0ce870 rbf75e3cb 295 295 atomic_inc(&phone->active_calls); 296 296 call->data.phone = phone; 297 call->data.task = TASK; 297 298 } 298 299 … … 406 407 call->caller_phone = call->data.phone; 407 408 call->data.phone = newphone; 409 call->data.task = TASK; 408 410 } 409 411 -
kernel/generic/src/ipc/sysipc.c
ra0ce870 rbf75e3cb 248 248 /* The connection was accepted */ 249 249 phone_connect(phoneid, &answer->sender->answerbox); 250 /* Set 'task hash' as arg4 of response */ 251 IPC_SET_ARG4(answer->data, (sysarg_t) TASK); 250 252 /* Set 'phone hash' as arg5 of response */ 251 253 IPC_SET_ARG5(answer->data, -
uspace/lib/c/generic/async.c
ra0ce870 rbf75e3cb 134 134 135 135 typedef struct { 136 sysarg_t in_task_hash; 137 link_t link; 138 int refcnt; 139 void *data; 140 } client_t; 141 142 typedef struct { 136 143 awaiter_t wdata; 137 144 … … 139 146 link_t link; 140 147 148 /** Incoming client task hash. */ 149 sysarg_t in_task_hash; 141 150 /** Incoming phone hash. */ 142 151 sysarg_t in_phone_hash; 143 152 153 /** Link to the client tracking structure. */ 154 client_t *client; 155 144 156 /** Messages that should be delivered to this fibril. */ 145 157 link_t msg_queue; … … 160 172 fibril_local connection_t *FIBRIL_connection; 161 173 174 static void *default_client_data_constructor(void) 175 { 176 return NULL; 177 } 178 179 static void default_client_data_destructor(void *data) 180 { 181 } 182 183 static async_client_data_ctor_t async_client_data_create = 184 default_client_data_constructor; 185 static async_client_data_dtor_t async_client_data_destroy = 186 default_client_data_destructor; 187 188 void async_set_client_data_constructor(async_client_data_ctor_t ctor) 189 { 190 async_client_data_create = ctor; 191 } 192 193 void async_set_client_data_destructor(async_client_data_dtor_t dtor) 194 { 195 async_client_data_destroy = dtor; 196 } 197 198 void *async_client_data_get(void) 199 { 200 assert(FIBRIL_connection); 201 202 return FIBRIL_connection->client->data; 203 } 204 162 205 static void default_client_connection(ipc_callid_t callid, ipc_call_t *call); 163 206 static void default_interrupt_received(ipc_callid_t callid, ipc_call_t *call); … … 174 217 static async_client_conn_t interrupt_received = default_interrupt_received; 175 218 219 static hash_table_t client_hash_table; 176 220 static hash_table_t conn_hash_table; 177 221 static LIST_INITIALIZE(timeout_list); 178 222 179 #define CONN_HASH_TABLE_CHAINS 32 223 #define CLIENT_HASH_TABLE_BUCKETS 32 224 #define CONN_HASH_TABLE_BUCKETS 32 225 226 static hash_index_t client_hash(unsigned long *key) 227 { 228 assert(key); 229 return (((*key) >> 4) % CLIENT_HASH_TABLE_BUCKETS); 230 } 231 232 static int client_compare(unsigned long key[], hash_count_t keys, link_t *item) 233 { 234 client_t *cl = hash_table_get_instance(item, client_t, link); 235 return (key[0] == cl->in_task_hash); 236 } 237 238 static void client_remove(link_t *item) 239 { 240 } 241 242 /** Operations for the client hash table. */ 243 static hash_table_operations_t client_hash_table_ops = { 244 .hash = client_hash, 245 .compare = client_compare, 246 .remove_callback = client_remove 247 }; 180 248 181 249 /** Compute hash into the connection hash table based on the source phone hash. … … 189 257 { 190 258 assert(key); 191 return (((*key) >> 4) % CONN_HASH_TABLE_ CHAINS);259 return (((*key) >> 4) % CONN_HASH_TABLE_BUCKETS); 192 260 } 193 261 … … 480 548 static int connection_fibril(void *arg) 481 549 { 550 unsigned long key; 551 client_t *cl; 552 link_t *lnk; 553 bool destroy = false; 554 482 555 /* 483 * Setup fibril-local connection pointer and call client_connection(). 484 * 556 * Setup fibril-local connection pointer. 485 557 */ 486 558 FIBRIL_connection = (connection_t *) arg; 559 560 /* 561 * Add our reference for the current connection in the client task 562 * tracking structure. If this is the first reference, create and 563 * hash in a new tracking structure. 564 */ 565 futex_down(&async_futex); 566 key = FIBRIL_connection->in_task_hash; 567 lnk = hash_table_find(&client_hash_table, &key); 568 if (lnk) { 569 cl = hash_table_get_instance(lnk, client_t, link); 570 cl->refcnt++; 571 } else { 572 cl = malloc(sizeof(client_t)); 573 if (!cl) { 574 ipc_answer_0(FIBRIL_connection->callid, ENOMEM); 575 futex_up(&async_futex); 576 return 0; 577 } 578 cl->in_task_hash = FIBRIL_connection->in_task_hash; 579 async_serialize_start(); 580 cl->data = async_client_data_create(); 581 async_serialize_end(); 582 cl->refcnt = 1; 583 hash_table_insert(&client_hash_table, &key, &cl->link); 584 } 585 futex_up(&async_futex); 586 587 FIBRIL_connection->client = cl; 588 589 /* 590 * Call the connection handler function. 591 */ 487 592 FIBRIL_connection->cfibril(FIBRIL_connection->callid, 488 593 &FIBRIL_connection->call); 489 594 490 /* Remove myself from the connection hash table */ 595 /* 596 * Remove the reference for this client task connection. 597 */ 491 598 futex_down(&async_futex); 492 unsigned long key = FIBRIL_connection->in_phone_hash; 599 if (--cl->refcnt == 0) { 600 hash_table_remove(&client_hash_table, &key, 1); 601 destroy = true; 602 } 603 futex_up(&async_futex); 604 605 if (destroy) { 606 if (cl->data) 607 async_client_data_destroy(cl->data); 608 free(cl); 609 } 610 611 /* 612 * Remove myself from the connection hash table. 613 */ 614 futex_down(&async_futex); 615 key = FIBRIL_connection->in_phone_hash; 493 616 hash_table_remove(&conn_hash_table, &key, 1); 494 617 futex_up(&async_futex); 495 618 496 /* Answer all remaining messages with EHANGUP */ 619 /* 620 * Answer all remaining messages with EHANGUP. 621 */ 497 622 while (!list_empty(&FIBRIL_connection->msg_queue)) { 498 623 msg_t *msg; … … 505 630 } 506 631 632 /* 633 * If the connection was hung-up, answer the last call, 634 * i.e. IPC_M_PHONE_HUNGUP. 635 */ 507 636 if (FIBRIL_connection->close_callid) 508 637 ipc_answer_0(FIBRIL_connection->close_callid, EOK); … … 517 646 * particular fibrils. 518 647 * 648 * @param in_task_hash Identification of the incoming connection. 519 649 * @param in_phone_hash Identification of the incoming connection. 520 650 * @param callid Hash of the opening IPC_M_CONNECT_ME_TO call. … … 529 659 * 530 660 */ 531 fid_t async_new_connection(sysarg_t in_phone_hash, ipc_callid_t callid, 532 ipc_call_t *call, void (*cfibril)(ipc_callid_t, ipc_call_t *)) 661 fid_t async_new_connection(sysarg_t in_task_hash, sysarg_t in_phone_hash, 662 ipc_callid_t callid, ipc_call_t *call, 663 void (*cfibril)(ipc_callid_t, ipc_call_t *)) 533 664 { 534 665 connection_t *conn = malloc(sizeof(*conn)); … … 539 670 } 540 671 672 conn->in_task_hash = in_task_hash; 541 673 conn->in_phone_hash = in_phone_hash; 542 674 list_initialize(&conn->msg_queue); … … 592 724 case IPC_M_CONNECT_ME_TO: 593 725 /* Open new connection with fibril etc. */ 594 async_new_connection( IPC_GET_ARG5(*call), callid, call,595 c lient_connection);726 async_new_connection(call->in_task_hash, IPC_GET_ARG5(*call), 727 callid, call, client_connection); 596 728 goto out; 597 729 } … … 744 876 int __async_init(void) 745 877 { 746 if (!hash_table_create(&c onn_hash_table, CONN_HASH_TABLE_CHAINS, 1,747 &c onn_hash_table_ops)) {748 printf("%s: Cannot create async hash table\n", "libc");878 if (!hash_table_create(&client_hash_table, CLIENT_HASH_TABLE_BUCKETS, 1, 879 &client_hash_table_ops) || !hash_table_create(&conn_hash_table, 880 CONN_HASH_TABLE_BUCKETS, 1, &conn_hash_table_ops)) { 749 881 return ENOMEM; 750 882 } -
uspace/lib/c/generic/devman.c
ra0ce870 rbf75e3cb 116 116 async_set_client_connection(conn); 117 117 118 sysarg_t callback_phonehash; 119 ipc_connect_to_me(phone, 0, 0, 0, &callback_phonehash); 118 ipc_connect_to_me(phone, 0, 0, 0, NULL, NULL); 120 119 async_wait_for(req, &retval); 121 120 -
uspace/lib/c/generic/devmap.c
ra0ce870 rbf75e3cb 116 116 async_set_client_connection(conn); 117 117 118 sysarg_t callback_phonehash; 119 ipc_connect_to_me(phone, 0, 0, 0, &callback_phonehash); 118 ipc_connect_to_me(phone, 0, 0, 0, NULL, NULL); 120 119 async_wait_for(req, &retval); 121 120 -
uspace/lib/c/generic/ipc.c
ra0ce870 rbf75e3cb 578 578 * @param arg2 Service-defined argument. 579 579 * @param arg3 Service-defined argument. 580 * @param phonehash Storage where the library will store an opaque 580 * @param taskhash Storage where the kernel will store an opaque 581 * identifier of the client task. 582 * @param phonehash Storage where the kernel will store an opaque 581 583 * identifier of the phone that will be used for incoming 582 584 * calls. This identifier can be used for connection … … 586 588 */ 587 589 int ipc_connect_to_me(int phoneid, int arg1, int arg2, int arg3, 588 sysarg_t * phonehash)590 sysarg_t *taskhash, sysarg_t *phonehash) 589 591 { 590 592 return ipc_call_sync_3_5(phoneid, IPC_M_CONNECT_TO_ME, arg1, arg2, 591 arg3, NULL, NULL, NULL, NULL, phonehash);593 arg3, NULL, NULL, NULL, taskhash, phonehash); 592 594 } 593 595 -
uspace/lib/c/generic/net/modules.c
ra0ce870 rbf75e3cb 143 143 if (phone >= 0) { 144 144 /* Request the bidirectional connection */ 145 sysarg_t taskhash; 145 146 sysarg_t phonehash; 146 147 147 rc = ipc_connect_to_me(phone, arg1, arg2, arg3, &phonehash); 148 rc = ipc_connect_to_me(phone, arg1, arg2, arg3, &taskhash, 149 &phonehash); 148 150 if (rc != EOK) { 149 151 ipc_hangup(phone); 150 152 return rc; 151 153 } 152 async_new_connection(phonehash, 0, NULL, client_receiver); 154 async_new_connection(taskhash, phonehash, 0, NULL, 155 client_receiver); 153 156 } 154 157 -
uspace/lib/c/generic/vfs/vfs.c
ra0ce870 rbf75e3cb 46 46 #include <ipc/services.h> 47 47 #include <async.h> 48 #include <atomic.h> 49 #include <futex.h> 48 #include <fibril_synch.h> 50 49 #include <errno.h> 50 #include <assert.h> 51 51 #include <str.h> 52 52 #include <devmap.h> … … 54 54 #include <ipc/devmap.h> 55 55 56 static async_sess_t vfs_session; 57 58 static FIBRIL_MUTEX_INITIALIZE(vfs_phone_mutex); 56 59 static int vfs_phone = -1; 57 static futex_t vfs_phone_futex = FUTEX_INITIALIZER; 58 static futex_t cwd_futex = FUTEX_INITIALIZER;60 61 static FIBRIL_MUTEX_INITIALIZE(cwd_mutex); 59 62 60 63 static int cwd_fd = -1; … … 67 70 char *ncwd_path_nc; 68 71 69 f utex_down(&cwd_futex);72 fibril_mutex_lock(&cwd_mutex); 70 73 size_t size = str_size(path); 71 74 if (*path != '/') { 72 75 if (!cwd_path) { 73 f utex_up(&cwd_futex);76 fibril_mutex_unlock(&cwd_mutex); 74 77 return NULL; 75 78 } 76 79 ncwd_path_nc = malloc(cwd_size + 1 + size + 1); 77 80 if (!ncwd_path_nc) { 78 f utex_up(&cwd_futex);81 fibril_mutex_unlock(&cwd_mutex); 79 82 return NULL; 80 83 } … … 85 88 ncwd_path_nc = malloc(size + 1); 86 89 if (!ncwd_path_nc) { 87 f utex_up(&cwd_futex);90 fibril_mutex_unlock(&cwd_mutex); 88 91 return NULL; 89 92 } … … 93 96 ncwd_path = canonify(ncwd_path_nc, retlen); 94 97 if (!ncwd_path) { 95 f utex_up(&cwd_futex);98 fibril_mutex_unlock(&cwd_mutex); 96 99 free(ncwd_path_nc); 97 100 return NULL; … … 105 108 free(ncwd_path_nc); 106 109 if (!ncwd_path) { 107 f utex_up(&cwd_futex);110 fibril_mutex_unlock(&cwd_mutex); 108 111 return NULL; 109 112 } 110 f utex_up(&cwd_futex);113 fibril_mutex_unlock(&cwd_mutex); 111 114 return ncwd_path; 112 115 } 113 116 117 /** Connect to VFS service and create session. */ 114 118 static void vfs_connect(void) 115 119 { 116 while (vfs_phone < 0) 117 vfs_phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_VFS, 0, 0); 120 while (vfs_phone < 0) { 121 vfs_phone = async_connect_me_to_blocking(PHONE_NS, SERVICE_VFS, 122 0, 0); 123 } 124 125 async_session_create(&vfs_session, vfs_phone, 0); 126 } 127 128 /** Start an async exchange on the VFS session. 129 * 130 * @return New phone to be used during the exchange. 131 */ 132 static int vfs_exchange_begin(void) 133 { 134 fibril_mutex_lock(&vfs_phone_mutex); 135 if (vfs_phone < 0) 136 vfs_connect(); 137 fibril_mutex_unlock(&vfs_phone_mutex); 138 139 return async_exchange_begin(&vfs_session); 140 } 141 142 /** End an async exchange on the VFS session. 143 * 144 * @param phone Phone used during the exchange. 145 */ 146 static void vfs_exchange_end(int phone) 147 { 148 async_exchange_end(&vfs_session, phone); 118 149 } 119 150 … … 154 185 } 155 186 156 futex_down(&vfs_phone_futex); 157 async_serialize_start(); 158 vfs_connect(); 159 187 int vfs_phone = vfs_exchange_begin(); 188 160 189 sysarg_t rc_orig; 161 190 aid_t req = async_send_2(vfs_phone, VFS_IN_MOUNT, devmap_handle, flags, NULL); 162 191 sysarg_t rc = async_data_write_start(vfs_phone, (void *) mpa, mpa_size); 163 192 if (rc != EOK) { 164 async_wait_for(req, &rc_orig); 165 async_serialize_end(); 166 futex_up(&vfs_phone_futex); 193 vfs_exchange_end(vfs_phone); 167 194 free(mpa); 195 async_wait_for(req, &rc_orig); 168 196 169 197 if (null_id != -1) … … 178 206 rc = async_data_write_start(vfs_phone, (void *) opts, str_size(opts)); 179 207 if (rc != EOK) { 180 async_wait_for(req, &rc_orig); 181 async_serialize_end(); 182 futex_up(&vfs_phone_futex); 208 vfs_exchange_end(vfs_phone); 183 209 free(mpa); 210 async_wait_for(req, &rc_orig); 184 211 185 212 if (null_id != -1) … … 194 221 rc = async_data_write_start(vfs_phone, (void *) fs_name, str_size(fs_name)); 195 222 if (rc != EOK) { 196 async_wait_for(req, &rc_orig); 197 async_serialize_end(); 198 futex_up(&vfs_phone_futex); 223 vfs_exchange_end(vfs_phone); 199 224 free(mpa); 225 async_wait_for(req, &rc_orig); 200 226 201 227 if (null_id != -1) … … 211 237 rc = async_req_0_0(vfs_phone, IPC_M_PING); 212 238 if (rc != EOK) { 213 async_wait_for(req, &rc_orig); 214 async_serialize_end(); 215 futex_up(&vfs_phone_futex); 239 vfs_exchange_end(vfs_phone); 216 240 free(mpa); 241 async_wait_for(req, &rc_orig); 217 242 218 243 if (null_id != -1) … … 225 250 } 226 251 227 async_wait_for(req, &rc); 228 async_serialize_end(); 229 futex_up(&vfs_phone_futex); 252 vfs_exchange_end(vfs_phone); 230 253 free(mpa); 254 async_wait_for(req, &rc); 231 255 232 256 if ((rc != EOK) && (null_id != -1)) … … 248 272 return ENOMEM; 249 273 250 futex_down(&vfs_phone_futex); 251 async_serialize_start(); 252 vfs_connect(); 274 int vfs_phone = vfs_exchange_begin(); 253 275 254 276 req = async_send_0(vfs_phone, VFS_IN_UNMOUNT, NULL); 255 277 rc = async_data_write_start(vfs_phone, (void *) mpa, mpa_size); 256 278 if (rc != EOK) { 257 async_wait_for(req, &rc_orig); 258 async_serialize_end(); 259 futex_up(&vfs_phone_futex); 279 vfs_exchange_end(vfs_phone); 260 280 free(mpa); 261 if (rc_orig == EOK) 262 return (int) rc; 263 else 264 return (int) rc_orig; 265 } 266 267 268 async_wait_for(req, &rc); 269 async_serialize_end(); 270 futex_up(&vfs_phone_futex); 281 async_wait_for(req, &rc_orig); 282 if (rc_orig == EOK) 283 return (int) rc; 284 else 285 return (int) rc_orig; 286 } 287 288 289 vfs_exchange_end(vfs_phone); 271 290 free(mpa); 291 async_wait_for(req, &rc); 272 292 273 293 return (int) rc; … … 276 296 static int open_internal(const char *abs, size_t abs_size, int lflag, int oflag) 277 297 { 278 futex_down(&vfs_phone_futex); 279 async_serialize_start(); 280 vfs_connect(); 298 int vfs_phone = vfs_exchange_begin(); 281 299 282 300 ipc_call_t answer; … … 285 303 286 304 if (rc != EOK) { 305 vfs_exchange_end(vfs_phone); 306 287 307 sysarg_t rc_orig; 288 308 async_wait_for(req, &rc_orig); 289 309 290 async_serialize_end(); 291 futex_up(&vfs_phone_futex); 292 293 if (rc_orig == EOK) 294 return (int) rc; 295 else 296 return (int) rc_orig; 297 } 298 299 async_wait_for(req, &rc); 300 async_serialize_end(); 301 futex_up(&vfs_phone_futex); 310 if (rc_orig == EOK) 311 return (int) rc; 312 else 313 return (int) rc_orig; 314 } 315 316 vfs_exchange_end(vfs_phone); 317 async_wait_for(req, &rc); 302 318 303 319 if (rc != EOK) … … 322 338 int open_node(fdi_node_t *node, int oflag) 323 339 { 324 futex_down(&vfs_phone_futex); 325 async_serialize_start(); 326 vfs_connect(); 340 int vfs_phone = vfs_exchange_begin(); 327 341 328 342 ipc_call_t answer; … … 330 344 node->devmap_handle, node->index, oflag, &answer); 331 345 332 sysarg_t rc;333 async_wait_for(req, &rc); 334 async_serialize_end();335 futex_up(&vfs_phone_futex);346 vfs_exchange_end(vfs_phone); 347 348 sysarg_t rc; 349 async_wait_for(req, &rc); 336 350 337 351 if (rc != EOK) … … 345 359 sysarg_t rc; 346 360 347 futex_down(&vfs_phone_futex); 348 async_serialize_start(); 349 vfs_connect(); 361 int vfs_phone = vfs_exchange_begin(); 350 362 351 363 rc = async_req_1_0(vfs_phone, VFS_IN_CLOSE, fildes); 352 364 353 async_serialize_end(); 354 futex_up(&vfs_phone_futex); 365 vfs_exchange_end(vfs_phone); 355 366 356 367 return (int)rc; … … 363 374 aid_t req; 364 375 365 futex_down(&vfs_phone_futex); 366 async_serialize_start(); 367 vfs_connect(); 376 int vfs_phone = vfs_exchange_begin(); 368 377 369 378 req = async_send_1(vfs_phone, VFS_IN_READ, fildes, &answer); 370 379 rc = async_data_read_start(vfs_phone, (void *)buf, nbyte); 371 380 if (rc != EOK) { 381 vfs_exchange_end(vfs_phone); 382 372 383 sysarg_t rc_orig; 373 374 async_wait_for(req, &rc_orig); 375 async_serialize_end(); 376 futex_up(&vfs_phone_futex); 384 async_wait_for(req, &rc_orig); 385 377 386 if (rc_orig == EOK) 378 387 return (ssize_t) rc; … … 380 389 return (ssize_t) rc_orig; 381 390 } 382 async_wait_for(req, &rc); 383 async_serialize_end(); 384 futex_up(&vfs_phone_futex); 391 vfs_exchange_end(vfs_phone); 392 async_wait_for(req, &rc); 385 393 if (rc == EOK) 386 394 return (ssize_t) IPC_GET_ARG1(answer); … … 395 403 aid_t req; 396 404 397 futex_down(&vfs_phone_futex); 398 async_serialize_start(); 399 vfs_connect(); 405 int vfs_phone = vfs_exchange_begin(); 400 406 401 407 req = async_send_1(vfs_phone, VFS_IN_WRITE, fildes, &answer); 402 408 rc = async_data_write_start(vfs_phone, (void *)buf, nbyte); 403 409 if (rc != EOK) { 410 vfs_exchange_end(vfs_phone); 411 404 412 sysarg_t rc_orig; 405 406 async_wait_for(req, &rc_orig); 407 async_serialize_end(); 408 futex_up(&vfs_phone_futex); 413 async_wait_for(req, &rc_orig); 414 409 415 if (rc_orig == EOK) 410 416 return (ssize_t) rc; … … 412 418 return (ssize_t) rc_orig; 413 419 } 414 async_wait_for(req, &rc); 415 async_serialize_end(); 416 futex_up(&vfs_phone_futex); 420 vfs_exchange_end(vfs_phone); 421 async_wait_for(req, &rc); 417 422 if (rc == EOK) 418 423 return (ssize_t) IPC_GET_ARG1(answer); … … 423 428 int fsync(int fildes) 424 429 { 425 futex_down(&vfs_phone_futex); 426 async_serialize_start(); 427 vfs_connect(); 430 int vfs_phone = vfs_exchange_begin(); 428 431 429 432 sysarg_t rc = async_req_1_0(vfs_phone, VFS_IN_SYNC, fildes); 430 433 431 async_serialize_end(); 432 futex_up(&vfs_phone_futex); 434 vfs_exchange_end(vfs_phone); 433 435 434 436 return (int) rc; … … 437 439 off64_t lseek(int fildes, off64_t offset, int whence) 438 440 { 439 futex_down(&vfs_phone_futex); 440 async_serialize_start(); 441 vfs_connect(); 441 int vfs_phone = vfs_exchange_begin(); 442 442 443 443 sysarg_t newoff_lo; … … 447 447 &newoff_lo, &newoff_hi); 448 448 449 async_serialize_end(); 450 futex_up(&vfs_phone_futex); 449 vfs_exchange_end(vfs_phone); 451 450 452 451 if (rc != EOK) … … 460 459 sysarg_t rc; 461 460 462 futex_down(&vfs_phone_futex); 463 async_serialize_start(); 464 vfs_connect(); 461 int vfs_phone = vfs_exchange_begin(); 465 462 466 463 rc = async_req_3_0(vfs_phone, VFS_IN_TRUNCATE, fildes, 467 464 LOWER32(length), UPPER32(length)); 468 async_serialize_end(); 469 futex_up(&vfs_phone_futex); 465 vfs_exchange_end(vfs_phone); 470 466 471 467 return (int) rc; … … 477 473 aid_t req; 478 474 479 futex_down(&vfs_phone_futex); 480 async_serialize_start(); 481 vfs_connect(); 475 int vfs_phone = vfs_exchange_begin(); 482 476 483 477 req = async_send_1(vfs_phone, VFS_IN_FSTAT, fildes, NULL); 484 478 rc = async_data_read_start(vfs_phone, (void *) stat, sizeof(struct stat)); 485 479 if (rc != EOK) { 480 vfs_exchange_end(vfs_phone); 481 486 482 sysarg_t rc_orig; 487 488 async_wait_for(req, &rc_orig); 489 async_serialize_end(); 490 futex_up(&vfs_phone_futex); 483 async_wait_for(req, &rc_orig); 484 491 485 if (rc_orig == EOK) 492 486 return (ssize_t) rc; … … 494 488 return (ssize_t) rc_orig; 495 489 } 496 async_wait_for(req, &rc); 497 async_serialize_end(); 498 futex_up(&vfs_phone_futex); 490 vfs_exchange_end(vfs_phone); 491 async_wait_for(req, &rc); 499 492 500 493 return rc; … … 512 505 return ENOMEM; 513 506 514 futex_down(&vfs_phone_futex); 515 async_serialize_start(); 516 vfs_connect(); 507 int vfs_phone = vfs_exchange_begin(); 517 508 518 509 req = async_send_0(vfs_phone, VFS_IN_STAT, NULL); 519 510 rc = async_data_write_start(vfs_phone, pa, pa_size); 520 511 if (rc != EOK) { 521 async_wait_for(req, &rc_orig); 522 async_serialize_end(); 523 futex_up(&vfs_phone_futex); 512 vfs_exchange_end(vfs_phone); 524 513 free(pa); 514 async_wait_for(req, &rc_orig); 525 515 if (rc_orig == EOK) 526 516 return (int) rc; … … 530 520 rc = async_data_read_start(vfs_phone, stat, sizeof(struct stat)); 531 521 if (rc != EOK) { 532 async_wait_for(req, &rc_orig); 533 async_serialize_end(); 534 futex_up(&vfs_phone_futex); 522 vfs_exchange_end(vfs_phone); 535 523 free(pa); 536 if (rc_orig == EOK) 537 return (int) rc; 538 else 539 return (int) rc_orig; 540 } 541 async_wait_for(req, &rc); 542 async_serialize_end(); 543 futex_up(&vfs_phone_futex); 524 async_wait_for(req, &rc_orig); 525 if (rc_orig == EOK) 526 return (int) rc; 527 else 528 return (int) rc_orig; 529 } 530 vfs_exchange_end(vfs_phone); 544 531 free(pa); 532 async_wait_for(req, &rc); 545 533 return rc; 546 534 } … … 601 589 return ENOMEM; 602 590 603 futex_down(&vfs_phone_futex); 604 async_serialize_start(); 605 vfs_connect(); 591 int vfs_phone = vfs_exchange_begin(); 606 592 607 593 req = async_send_1(vfs_phone, VFS_IN_MKDIR, mode, NULL); 608 594 rc = async_data_write_start(vfs_phone, pa, pa_size); 609 595 if (rc != EOK) { 596 vfs_exchange_end(vfs_phone); 597 free(pa); 598 610 599 sysarg_t rc_orig; 611 612 async_wait_for(req, &rc_orig); 613 async_serialize_end(); 614 futex_up(&vfs_phone_futex); 615 free(pa); 616 if (rc_orig == EOK) 617 return (int) rc; 618 else 619 return (int) rc_orig; 620 } 621 async_wait_for(req, &rc); 622 async_serialize_end(); 623 futex_up(&vfs_phone_futex); 600 async_wait_for(req, &rc_orig); 601 602 if (rc_orig == EOK) 603 return (int) rc; 604 else 605 return (int) rc_orig; 606 } 607 vfs_exchange_end(vfs_phone); 624 608 free(pa); 609 async_wait_for(req, &rc); 625 610 return rc; 626 611 } … … 636 621 return ENOMEM; 637 622 638 futex_down(&vfs_phone_futex); 639 async_serialize_start(); 640 vfs_connect(); 623 int vfs_phone = vfs_exchange_begin(); 641 624 642 625 req = async_send_0(vfs_phone, VFS_IN_UNLINK, NULL); 643 626 rc = async_data_write_start(vfs_phone, pa, pa_size); 644 627 if (rc != EOK) { 628 vfs_exchange_end(vfs_phone); 629 free(pa); 630 645 631 sysarg_t rc_orig; 646 647 async_wait_for(req, &rc_orig); 648 async_serialize_end(); 649 futex_up(&vfs_phone_futex); 650 free(pa); 651 if (rc_orig == EOK) 652 return (int) rc; 653 else 654 return (int) rc_orig; 655 } 656 async_wait_for(req, &rc); 657 async_serialize_end(); 658 futex_up(&vfs_phone_futex); 632 async_wait_for(req, &rc_orig); 633 634 if (rc_orig == EOK) 635 return (int) rc; 636 else 637 return (int) rc_orig; 638 } 639 vfs_exchange_end(vfs_phone); 659 640 free(pa); 641 async_wait_for(req, &rc); 660 642 return rc; 661 643 } … … 689 671 } 690 672 691 futex_down(&vfs_phone_futex); 692 async_serialize_start(); 693 vfs_connect(); 673 int vfs_phone = vfs_exchange_begin(); 694 674 695 675 req = async_send_0(vfs_phone, VFS_IN_RENAME, NULL); 696 676 rc = async_data_write_start(vfs_phone, olda, olda_size); 697 677 if (rc != EOK) { 698 async_wait_for(req, &rc_orig); 699 async_serialize_end(); 700 futex_up(&vfs_phone_futex); 678 vfs_exchange_end(vfs_phone); 701 679 free(olda); 702 680 free(newa); 681 async_wait_for(req, &rc_orig); 703 682 if (rc_orig == EOK) 704 683 return (int) rc; … … 708 687 rc = async_data_write_start(vfs_phone, newa, newa_size); 709 688 if (rc != EOK) { 710 async_wait_for(req, &rc_orig); 711 async_serialize_end(); 712 futex_up(&vfs_phone_futex); 689 vfs_exchange_end(vfs_phone); 713 690 free(olda); 714 691 free(newa); 715 if (rc_orig == EOK) 716 return (int) rc; 717 else 718 return (int) rc_orig; 719 } 720 async_wait_for(req, &rc); 721 async_serialize_end(); 722 futex_up(&vfs_phone_futex); 692 async_wait_for(req, &rc_orig); 693 if (rc_orig == EOK) 694 return (int) rc; 695 else 696 return (int) rc_orig; 697 } 698 vfs_exchange_end(vfs_phone); 723 699 free(olda); 724 700 free(newa); 701 async_wait_for(req, &rc); 725 702 return rc; 726 703 } … … 740 717 } 741 718 742 f utex_down(&cwd_futex);719 fibril_mutex_lock(&cwd_mutex); 743 720 744 721 if (cwd_fd >= 0) … … 753 730 cwd_size = abs_size; 754 731 755 f utex_up(&cwd_futex);732 fibril_mutex_unlock(&cwd_mutex); 756 733 return EOK; 757 734 } … … 762 739 return NULL; 763 740 764 f utex_down(&cwd_futex);741 fibril_mutex_lock(&cwd_mutex); 765 742 766 743 if ((cwd_size == 0) || (size < cwd_size + 1)) { 767 f utex_up(&cwd_futex);744 fibril_mutex_unlock(&cwd_mutex); 768 745 return NULL; 769 746 } 770 747 771 748 str_cpy(buf, size, cwd_path); 772 f utex_up(&cwd_futex);749 fibril_mutex_unlock(&cwd_mutex); 773 750 774 751 return buf; … … 806 783 int dup2(int oldfd, int newfd) 807 784 { 808 futex_down(&vfs_phone_futex); 809 async_serialize_start(); 810 vfs_connect(); 785 int vfs_phone = vfs_exchange_begin(); 811 786 812 787 sysarg_t ret; 813 788 sysarg_t rc = async_req_2_1(vfs_phone, VFS_IN_DUP, oldfd, newfd, &ret); 814 789 815 async_serialize_end(); 816 futex_up(&vfs_phone_futex); 790 vfs_exchange_end(vfs_phone); 817 791 818 792 if (rc == EOK) -
uspace/lib/c/include/async.h
ra0ce870 rbf75e3cb 44 44 45 45 typedef ipc_callid_t aid_t; 46 typedef void (*async_client_conn_t)(ipc_callid_t callid, ipc_call_t *call); 46 47 typedef void *(*async_client_data_ctor_t)(void); 48 typedef void (*async_client_data_dtor_t)(void *); 49 50 typedef void (*async_client_conn_t)(ipc_callid_t, ipc_call_t *); 47 51 48 52 extern atomic_t async_futex; … … 51 55 52 56 extern int __async_init(void); 53 extern ipc_callid_t async_get_call_timeout(ipc_call_t * call, suseconds_t usecs);57 extern ipc_callid_t async_get_call_timeout(ipc_call_t *, suseconds_t); 54 58 55 59 static inline ipc_callid_t async_get_call(ipc_call_t *data) … … 85 89 (arg5), (dataptr)) 86 90 87 extern aid_t async_send_fast(int phoneid, sysarg_t method, sysarg_t arg1, 88 sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, ipc_call_t *dataptr); 89 extern aid_t async_send_slow(int phoneid, sysarg_t method, sysarg_t arg1, 90 sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, sysarg_t arg5, 91 ipc_call_t *dataptr); 92 extern void async_wait_for(aid_t amsgid, sysarg_t *result); 93 extern int async_wait_timeout(aid_t amsgid, sysarg_t *retval, 94 suseconds_t timeout); 95 96 extern fid_t async_new_connection(sysarg_t in_phone_hash, ipc_callid_t callid, 97 ipc_call_t *call, void (*cthread)(ipc_callid_t, ipc_call_t *)); 98 extern void async_usleep(suseconds_t timeout); 91 extern aid_t async_send_fast(int, sysarg_t, sysarg_t, sysarg_t, sysarg_t, 92 sysarg_t, ipc_call_t *); 93 extern aid_t async_send_slow(int, sysarg_t, sysarg_t, sysarg_t, sysarg_t, 94 sysarg_t, sysarg_t, ipc_call_t *); 95 extern void async_wait_for(aid_t, sysarg_t *); 96 extern int async_wait_timeout(aid_t, sysarg_t *, suseconds_t); 97 98 extern fid_t async_new_connection(sysarg_t, sysarg_t, ipc_callid_t, 99 ipc_call_t *, void (*)(ipc_callid_t, ipc_call_t *)); 100 extern void async_usleep(suseconds_t); 99 101 extern void async_create_manager(void); 100 102 extern void async_destroy_manager(void); 101 103 102 extern void async_set_client_connection(async_client_conn_t conn); 103 extern void async_set_interrupt_received(async_client_conn_t conn); 104 extern void async_set_client_data_constructor(async_client_data_ctor_t); 105 extern void async_set_client_data_destructor(async_client_data_dtor_t); 106 107 extern void *async_client_data_get(void); 108 109 extern void async_set_client_connection(async_client_conn_t); 110 extern void async_set_interrupt_received(async_client_conn_t); 104 111 105 112 /* Wrappers for simple communication */ … … 243 250 (arg5), (rc1), (rc2), (rc3), (rc4), (rc5)) 244 251 245 extern sysarg_t async_req_fast(int phoneid, sysarg_t method, sysarg_t arg1, 246 sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, sysarg_t *r1, sysarg_t *r2, 247 sysarg_t *r3, sysarg_t *r4, sysarg_t *r5); 248 extern sysarg_t async_req_slow(int phoneid, sysarg_t method, sysarg_t arg1, 249 sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, sysarg_t arg5, sysarg_t *r1, 250 sysarg_t *r2, sysarg_t *r3, sysarg_t *r4, sysarg_t *r5); 252 extern sysarg_t async_req_fast(int, sysarg_t, sysarg_t, sysarg_t, sysarg_t, 253 sysarg_t, sysarg_t *, sysarg_t *, sysarg_t *, sysarg_t *, sysarg_t *); 254 extern sysarg_t async_req_slow(int, sysarg_t, sysarg_t, sysarg_t, sysarg_t, 255 sysarg_t, sysarg_t, sysarg_t *, sysarg_t *, sysarg_t *, sysarg_t *, 256 sysarg_t *); 251 257 252 258 static inline void async_serialize_start(void) -
uspace/lib/c/include/ipc/ipc.h
ra0ce870 rbf75e3cb 46 46 typedef struct { 47 47 sysarg_t args[IPC_CALL_LEN]; 48 sysarg_t in_task_hash; 48 49 sysarg_t in_phone_hash; 49 50 } ipc_call_t; … … 258 259 sysarg_t, sysarg_t, void *, ipc_async_callback_t, int); 259 260 260 extern int ipc_connect_to_me(int, int, int, int, sysarg_t * );261 extern int ipc_connect_to_me(int, int, int, int, sysarg_t *, sysarg_t *); 261 262 extern int ipc_connect_me_to(int, int, int, int); 262 263 extern int ipc_connect_me_to_blocking(int, int, int, int); -
uspace/lib/fs/libfs.c
ra0ce870 rbf75e3cb 102 102 * Ask VFS for callback connection. 103 103 */ 104 ipc_connect_to_me(vfs_phone, 0, 0, 0, ®->vfs_phonehash); 104 sysarg_t taskhash; 105 ipc_connect_to_me(vfs_phone, 0, 0, 0, &taskhash, ®->vfs_phonehash); 105 106 106 107 /* … … 131 132 * Create a connection fibril to handle the callback connection. 132 133 */ 133 async_new_connection( reg->vfs_phonehash, 0, NULL, conn);134 async_new_connection(taskhash, reg->vfs_phonehash, 0, NULL, conn); 134 135 135 136 /* -
uspace/lib/net/il/il_skel.c
ra0ce870 rbf75e3cb 115 115 goto out; 116 116 117 sysarg_t phonehash; 118 rc = ipc_connect_to_me(PHONE_NS, service, 0, 0, &phonehash); 117 rc = ipc_connect_to_me(PHONE_NS, service, 0, 0, NULL, NULL); 119 118 if (rc != EOK) 120 119 goto out; -
uspace/lib/net/nil/nil_skel.c
ra0ce870 rbf75e3cb 115 115 goto out; 116 116 117 sysarg_t phonehash; 118 rc = ipc_connect_to_me(PHONE_NS, service, 0, 0, &phonehash); 117 rc = ipc_connect_to_me(PHONE_NS, service, 0, 0, NULL, NULL); 119 118 if (rc != EOK) 120 119 goto out; -
uspace/lib/net/tl/tl_skel.c
ra0ce870 rbf75e3cb 117 117 goto out; 118 118 119 sysarg_t phonehash; 120 rc = ipc_connect_to_me(PHONE_NS, service, 0, 0, &phonehash); 119 rc = ipc_connect_to_me(PHONE_NS, service, 0, 0, NULL, NULL); 121 120 if (rc != EOK) 122 121 goto out; -
uspace/srv/clip/clip.c
ra0ce870 rbf75e3cb 183 183 async_set_client_connection(clip_connection); 184 184 185 sysarg_t phonead; 186 if (ipc_connect_to_me(PHONE_NS, SERVICE_CLIPBOARD, 0, 0, &phonead) != 0) 185 if (ipc_connect_to_me(PHONE_NS, SERVICE_CLIPBOARD, 0, 0, NULL, NULL)) 187 186 return -1; 188 187 -
uspace/srv/devman/main.c
ra0ce870 rbf75e3cb 586 586 587 587 /* Register device manager at naming service. */ 588 sysarg_t phonead; 589 if (ipc_connect_to_me(PHONE_NS, SERVICE_DEVMAN, 0, 0, &phonead) != 0) 588 if (ipc_connect_to_me(PHONE_NS, SERVICE_DEVMAN, 0, 0, NULL, NULL) != 0) 590 589 return -1; 591 590 -
uspace/srv/devmap/devmap.c
ra0ce870 rbf75e3cb 1150 1150 1151 1151 /* Register device mapper at naming service */ 1152 sysarg_t phonead; 1153 if (ipc_connect_to_me(PHONE_NS, SERVICE_DEVMAP, 0, 0, &phonead) != 0) 1152 if (ipc_connect_to_me(PHONE_NS, SERVICE_DEVMAP, 0, 0, NULL, NULL) != 0) 1154 1153 return -1; 1155 1154 -
uspace/srv/hid/adb_mouse/adb_dev.c
ra0ce870 rbf75e3cb 68 68 69 69 /* NB: The callback connection is slotted for removal */ 70 sysarg_t taskhash; 70 71 sysarg_t phonehash; 71 if (ipc_connect_to_me(dev_phone, 0, 0, 0, & phonehash) != 0) {72 if (ipc_connect_to_me(dev_phone, 0, 0, 0, &taskhash, &phonehash) != 0) { 72 73 printf(NAME ": Failed to create callback from device\n"); 73 74 return false; 74 75 } 75 76 76 async_new_connection( phonehash, 0, NULL, adb_dev_events);77 async_new_connection(taskhash, phonehash, 0, NULL, adb_dev_events); 77 78 78 79 return 0; -
uspace/srv/hid/char_mouse/chardev.c
ra0ce870 rbf75e3cb 70 70 71 71 /* NB: The callback connection is slotted for removal */ 72 sysarg_t taskhash; 72 73 sysarg_t phonehash; 73 if (ipc_connect_to_me(dev_phone, 0, 0, 0, & phonehash) != 0) {74 if (ipc_connect_to_me(dev_phone, 0, 0, 0, &taskhash, &phonehash) != 0) { 74 75 printf(NAME ": Failed to create callback from device\n"); 75 76 return false; 76 77 } 77 78 78 async_new_connection( phonehash, 0, NULL, chardev_events);79 async_new_connection(taskhash, phonehash, 0, NULL, chardev_events); 79 80 80 81 return 0; -
uspace/srv/hid/console/console.c
ra0ce870 rbf75e3cb 726 726 727 727 /* NB: The callback connection is slotted for removal */ 728 sysarg_t taskhash; 728 729 sysarg_t phonehash; 729 if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0) { 730 if (ipc_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, &taskhash, 731 &phonehash) != 0) { 730 732 printf(NAME ": Failed to create callback from input device\n"); 731 733 return false; 732 734 } 733 735 734 async_new_connection( phonehash, 0, NULL, keyboard_events);736 async_new_connection(taskhash, phonehash, 0, NULL, keyboard_events); 735 737 736 738 /* Connect to mouse device */ … … 749 751 } 750 752 751 if (ipc_connect_to_me(mouse_phone, SERVICE_CONSOLE, 0, 0, &phonehash) != 0) { 753 if (ipc_connect_to_me(mouse_phone, SERVICE_CONSOLE, 0, 0, &taskhash, 754 &phonehash) != 0) { 752 755 printf(NAME ": Failed to create callback from mouse device\n"); 753 756 mouse_phone = -1; … … 755 758 } 756 759 757 async_new_connection( phonehash, 0, NULL, mouse_events);760 async_new_connection(taskhash, phonehash, 0, NULL, mouse_events); 758 761 skip_mouse: 759 762 -
uspace/srv/hid/fb/main.c
ra0ce870 rbf75e3cb 114 114 return -1; 115 115 116 sysarg_t phonead; 117 if (ipc_connect_to_me(PHONE_NS, SERVICE_VIDEO, 0, 0, &phonead) != 0) 116 if (ipc_connect_to_me(PHONE_NS, SERVICE_VIDEO, 0, 0, NULL, NULL) != 0) 118 117 return -1; 119 118 -
uspace/srv/hid/kbd/port/adb.c
ra0ce870 rbf75e3cb 71 71 72 72 /* NB: The callback connection is slotted for removal */ 73 sysarg_t taskhash; 73 74 sysarg_t phonehash; 74 if (ipc_connect_to_me(dev_phone, 0, 0, 0, & phonehash) != 0) {75 if (ipc_connect_to_me(dev_phone, 0, 0, 0, &taskhash, &phonehash) != 0) { 75 76 printf(NAME ": Failed to create callback from device\n"); 76 77 return false; 77 78 } 78 79 79 async_new_connection( phonehash, 0, NULL, kbd_port_events);80 async_new_connection(taskhash, phonehash, 0, NULL, kbd_port_events); 80 81 81 82 return 0; -
uspace/srv/hid/kbd/port/chardev.c
ra0ce870 rbf75e3cb 91 91 92 92 /* NB: The callback connection is slotted for removal */ 93 sysarg_t taskhash; 93 94 sysarg_t phonehash; 94 if (ipc_connect_to_me(dev_phone, 0, 0, 0, & phonehash) != 0) {95 if (ipc_connect_to_me(dev_phone, 0, 0, 0, &taskhash, &phonehash) != 0) { 95 96 printf(NAME ": Failed to create callback from device\n"); 96 97 return -1; 97 98 } 98 99 99 async_new_connection( phonehash, 0, NULL, kbd_port_events);100 async_new_connection(taskhash, phonehash, 0, NULL, kbd_port_events); 100 101 101 102 return 0; -
uspace/srv/hw/irc/apic/apic.c
ra0ce870 rbf75e3cb 108 108 109 109 async_set_client_connection(apic_connection); 110 sysarg_t phonead; 111 ipc_connect_to_me(PHONE_NS, SERVICE_APIC, 0, 0, &phonead); 110 ipc_connect_to_me(PHONE_NS, SERVICE_APIC, 0, 0, NULL, NULL); 112 111 113 112 return true; -
uspace/srv/hw/irc/fhc/fhc.c
ra0ce870 rbf75e3cb 137 137 138 138 async_set_client_connection(fhc_connection); 139 sysarg_t phonead; 140 ipc_connect_to_me(PHONE_NS, SERVICE_FHC, 0, 0, &phonead); 139 ipc_connect_to_me(PHONE_NS, SERVICE_FHC, 0, 0, NULL, NULL); 141 140 142 141 return true; -
uspace/srv/hw/irc/i8259/i8259.c
ra0ce870 rbf75e3cb 150 150 151 151 async_set_client_connection(i8259_connection); 152 sysarg_t phonead; 153 ipc_connect_to_me(PHONE_NS, SERVICE_I8259, 0, 0, &phonead); 152 ipc_connect_to_me(PHONE_NS, SERVICE_I8259, 0, 0, NULL, NULL); 154 153 155 154 return true; -
uspace/srv/hw/irc/obio/obio.c
ra0ce870 rbf75e3cb 138 138 139 139 async_set_client_connection(obio_connection); 140 sysarg_t phonead; 141 ipc_connect_to_me(PHONE_NS, SERVICE_OBIO, 0, 0, &phonead); 140 ipc_connect_to_me(PHONE_NS, SERVICE_OBIO, 0, 0, NULL, NULL); 142 141 143 142 return true; -
uspace/srv/hw/netif/ne2000/ne2000.c
ra0ce870 rbf75e3cb 397 397 async_set_interrupt_received(irq_handler); 398 398 399 sysarg_t phonehash; 400 return ipc_connect_to_me(PHONE_NS, SERVICE_NE2000, 0, 0, &phonehash); 399 return ipc_connect_to_me(PHONE_NS, SERVICE_NE2000, 0, 0, NULL, NULL); 401 400 } 402 401 -
uspace/srv/loader/main.c
ra0ce870 rbf75e3cb 423 423 int main(int argc, char *argv[]) 424 424 { 425 sysarg_t phonead;426 425 task_id_t id; 427 426 int rc; … … 439 438 440 439 /* Register at naming service. */ 441 if (ipc_connect_to_me(PHONE_NS, SERVICE_LOAD, 0, 0, &phonead) != 0)440 if (ipc_connect_to_me(PHONE_NS, SERVICE_LOAD, 0, 0, NULL, NULL) != 0) 442 441 return -2; 443 442 -
uspace/srv/net/net/net.c
ra0ce870 rbf75e3cb 326 326 static int net_module_start(async_client_conn_t client_connection) 327 327 { 328 sysarg_t phonehash;329 328 int rc; 330 329 … … 338 337 goto out; 339 338 340 rc = ipc_connect_to_me(PHONE_NS, SERVICE_NETWORKING, 0, 0, &phonehash);339 rc = ipc_connect_to_me(PHONE_NS, SERVICE_NETWORKING, 0, 0, NULL, NULL); 341 340 if (rc != EOK) 342 341 goto out; -
uspace/srv/net/netif/lo/lo.c
ra0ce870 rbf75e3cb 167 167 int netif_initialize(void) 168 168 { 169 sysarg_t phonehash; 170 return ipc_connect_to_me(PHONE_NS, SERVICE_LO, 0, 0, &phonehash); 169 return ipc_connect_to_me(PHONE_NS, SERVICE_LO, 0, 0, NULL, NULL); 171 170 } 172 171 -
uspace/srv/vfs/vfs.c
ra0ce870 rbf75e3cb 59 59 ipc_answer_0(iid, EOK); 60 60 61 /*62 * Here we enter the main connection fibril loop.63 * The logic behind this loop and the protocol is that we'd like to keep64 * each connection open until the client hangs up. When the client hangs65 * up, we will free its VFS state. The act of hanging up the connection66 * by the client is equivalent to client termination because we cannot67 * distinguish one from the other. On the other hand, the client can68 * hang up arbitrarily if it has no open files and reestablish the69 * connection later.70 */71 61 while (keep_on_going) { 72 62 ipc_call_t call; … … 133 123 } 134 124 } 135 136 vfs_files_done(); 125 126 /* 127 * Open files for this client will be cleaned up when its last 128 * connection fibril terminates. 129 */ 137 130 } 138 131 … … 166 159 167 160 /* 161 * Set client data constructor and destructor. 162 */ 163 async_set_client_data_constructor(vfs_client_data_create); 164 async_set_client_data_destructor(vfs_client_data_destroy); 165 166 /* 168 167 * Set a connection handling function/fibril. 169 168 */ … … 173 172 * Register at the naming service. 174 173 */ 175 sysarg_t phonead; 176 ipc_connect_to_me(PHONE_NS, SERVICE_VFS, 0, 0, &phonead); 174 ipc_connect_to_me(PHONE_NS, SERVICE_VFS, 0, 0, NULL, NULL); 177 175 178 176 /* -
uspace/srv/vfs/vfs.h
ra0ce870 rbf75e3cb 188 188 #define MAX_OPEN_FILES 128 189 189 190 extern bool vfs_files_init(void); 191 extern void vfs_files_done(void); 190 extern void *vfs_client_data_create(void); 191 extern void vfs_client_data_destroy(void *); 192 192 193 extern vfs_file_t *vfs_file_get(int); 193 extern int vfs_fd_assign(vfs_file_t *file, int fd); 194 extern void vfs_file_put(vfs_file_t *); 195 extern int vfs_fd_assign(vfs_file_t *, int); 194 196 extern int vfs_fd_alloc(bool desc); 195 197 extern int vfs_fd_free(int); 196 197 extern void vfs_file_addref(vfs_file_t *);198 extern void vfs_file_delref(vfs_file_t *);199 198 200 199 extern void vfs_node_addref(vfs_node_t *); -
uspace/srv/vfs/vfs_file.c
ra0ce870 rbf75e3cb 45 45 #include "vfs.h" 46 46 47 /** 48 * This is a per-connection table of open files. 49 * Our assumption is that each client opens only one connection and therefore 50 * there is one table of open files per task. However, this may not be the case 51 * and the client can open more connections to VFS. In that case, there will be 52 * several tables and several file handle name spaces per task. Besides of this, 53 * the functionality will stay unchanged. So unless the client knows what it is 54 * doing, it should open one connection to VFS only. 55 * 56 * Allocation of the open files table is deferred until the client makes the 57 * first VFS_OPEN operation. 58 * 59 * This resource being per-connection and, in the first place, per-fibril, we 60 * don't need to protect it by a mutex. 61 */ 62 fibril_local vfs_file_t **files = NULL; 47 #define VFS_DATA ((vfs_client_data_t *) async_client_data_get()) 48 #define FILES (VFS_DATA->files) 49 50 typedef struct { 51 fibril_mutex_t lock; 52 vfs_file_t **files; 53 } vfs_client_data_t; 63 54 64 55 /** Initialize the table of open files. */ 65 bool vfs_files_init(void) 66 { 67 if (!files) { 68 files = malloc(MAX_OPEN_FILES * sizeof(vfs_file_t *)); 69 if (!files) 56 static bool vfs_files_init(void) 57 { 58 fibril_mutex_lock(&VFS_DATA->lock); 59 if (!FILES) { 60 FILES = malloc(MAX_OPEN_FILES * sizeof(vfs_file_t *)); 61 if (!FILES) { 62 fibril_mutex_unlock(&VFS_DATA->lock); 70 63 return false; 71 memset(files, 0, MAX_OPEN_FILES * sizeof(vfs_file_t *)); 72 } 64 } 65 memset(FILES, 0, MAX_OPEN_FILES * sizeof(vfs_file_t *)); 66 } 67 fibril_mutex_unlock(&VFS_DATA->lock); 73 68 return true; 74 69 } 75 70 76 71 /** Cleanup the table of open files. */ 77 void vfs_files_done(void)72 static void vfs_files_done(void) 78 73 { 79 74 int i; 80 75 81 if (! files)76 if (!FILES) 82 77 return; 83 78 84 79 for (i = 0; i < MAX_OPEN_FILES; i++) { 85 if ( files[i]) {86 (void) vfs_close_internal( files[i]);80 if (FILES[i]) { 81 (void) vfs_close_internal(FILES[i]); 87 82 (void) vfs_fd_free(i); 88 83 } 89 84 } 90 85 91 free(files); 92 } 86 free(FILES); 87 } 88 89 void *vfs_client_data_create(void) 90 { 91 vfs_client_data_t *vfs_data; 92 93 vfs_data = malloc(sizeof(vfs_client_data_t)); 94 if (vfs_data) { 95 fibril_mutex_initialize(&vfs_data->lock); 96 vfs_data->files = NULL; 97 } 98 99 return vfs_data; 100 } 101 102 void vfs_client_data_destroy(void *data) 103 { 104 vfs_client_data_t *vfs_data = (vfs_client_data_t *) data; 105 106 vfs_files_done(); 107 free(vfs_data); 108 } 109 110 /** Increment reference count of VFS file structure. 111 * 112 * @param file File structure that will have reference count 113 * incremented. 114 */ 115 static void vfs_file_addref(vfs_file_t *file) 116 { 117 assert(fibril_mutex_is_locked(&VFS_DATA->lock)); 118 119 file->refcnt++; 120 } 121 122 /** Decrement reference count of VFS file structure. 123 * 124 * @param file File structure that will have reference count 125 * decremented. 126 */ 127 static void vfs_file_delref(vfs_file_t *file) 128 { 129 assert(fibril_mutex_is_locked(&VFS_DATA->lock)); 130 131 if (file->refcnt-- == 1) { 132 /* 133 * Lost the last reference to a file, need to drop our reference 134 * to the underlying VFS node. 135 */ 136 vfs_node_delref(file->node); 137 free(file); 138 } 139 } 140 93 141 94 142 /** Allocate a file descriptor. … … 111 159 i = 0; 112 160 161 fibril_mutex_lock(&VFS_DATA->lock); 113 162 while (true) { 114 if (!files[i]) { 115 files[i] = (vfs_file_t *) malloc(sizeof(vfs_file_t)); 116 if (!files[i]) 163 if (!FILES[i]) { 164 FILES[i] = (vfs_file_t *) malloc(sizeof(vfs_file_t)); 165 if (!FILES[i]) { 166 fibril_mutex_unlock(&VFS_DATA->lock); 117 167 return ENOMEM; 168 } 118 169 119 memset(files[i], 0, sizeof(vfs_file_t)); 120 fibril_mutex_initialize(&files[i]->lock); 121 vfs_file_addref(files[i]); 170 memset(FILES[i], 0, sizeof(vfs_file_t)); 171 fibril_mutex_initialize(&FILES[i]->lock); 172 vfs_file_addref(FILES[i]); 173 fibril_mutex_unlock(&VFS_DATA->lock); 122 174 return (int) i; 123 175 } … … 135 187 } 136 188 } 189 fibril_mutex_unlock(&VFS_DATA->lock); 137 190 138 191 return EMFILE; … … 150 203 if (!vfs_files_init()) 151 204 return ENOMEM; 152 153 if ((fd < 0) || (fd >= MAX_OPEN_FILES) || (files[fd] == NULL)) 205 206 fibril_mutex_lock(&VFS_DATA->lock); 207 if ((fd < 0) || (fd >= MAX_OPEN_FILES) || (FILES[fd] == NULL)) { 208 fibril_mutex_unlock(&VFS_DATA->lock); 154 209 return EBADF; 155 156 vfs_file_delref(files[fd]); 157 files[fd] = NULL; 210 } 211 212 vfs_file_delref(FILES[fd]); 213 FILES[fd] = NULL; 214 fibril_mutex_unlock(&VFS_DATA->lock); 158 215 159 216 return EOK; … … 173 230 if (!vfs_files_init()) 174 231 return ENOMEM; 175 176 if ((fd < 0) || (fd >= MAX_OPEN_FILES) || (files[fd] != NULL)) 232 233 fibril_mutex_lock(&VFS_DATA->lock); 234 if ((fd < 0) || (fd >= MAX_OPEN_FILES) || (FILES[fd] != NULL)) { 235 fibril_mutex_unlock(&VFS_DATA->lock); 177 236 return EINVAL; 178 179 files[fd] = file; 180 vfs_file_addref(files[fd]); 237 } 238 239 FILES[fd] = file; 240 vfs_file_addref(FILES[fd]); 241 fibril_mutex_unlock(&VFS_DATA->lock); 181 242 182 243 return EOK; 183 244 } 184 245 185 /** Increment reference count of VFS file structure.186 *187 * @param file File structure that will have reference count188 * incremented.189 */190 void vfs_file_addref(vfs_file_t *file)191 {192 /*193 * File structures are per-connection, so no-one, except the current194 * fibril, should have a reference to them. This is the reason we don't195 * do any synchronization here.196 */197 file->refcnt++;198 }199 200 /** Decrement reference count of VFS file structure.201 *202 * @param file File structure that will have reference count203 * decremented.204 */205 void vfs_file_delref(vfs_file_t *file)206 {207 if (file->refcnt-- == 1) {208 /*209 * Lost the last reference to a file, need to drop our reference210 * to the underlying VFS node.211 */212 vfs_node_delref(file->node);213 free(file);214 }215 }216 217 246 /** Find VFS file structure for a given file descriptor. 218 247 * … … 226 255 return NULL; 227 256 228 if ((fd >= 0) && (fd < MAX_OPEN_FILES)) 229 return files[fd]; 257 fibril_mutex_lock(&VFS_DATA->lock); 258 if ((fd >= 0) && (fd < MAX_OPEN_FILES)) { 259 vfs_file_t *file = FILES[fd]; 260 vfs_file_addref(file); 261 fibril_mutex_unlock(&VFS_DATA->lock); 262 return file; 263 } 264 fibril_mutex_unlock(&VFS_DATA->lock); 230 265 231 266 return NULL; 267 } 268 269 /** Stop using a file structure. 270 * 271 * @param file VFS file structure. 272 */ 273 void vfs_file_put(vfs_file_t *file) 274 { 275 fibril_mutex_lock(&VFS_DATA->lock); 276 vfs_file_delref(file); 277 fibril_mutex_unlock(&VFS_DATA->lock); 232 278 } 233 279 -
uspace/srv/vfs/vfs_ops.c
ra0ce870 rbf75e3cb 491 491 void vfs_open(ipc_callid_t rid, ipc_call_t *request) 492 492 { 493 if (!vfs_files_init()) {494 ipc_answer_0(rid, ENOMEM);495 return;496 }497 498 493 /* 499 494 * The POSIX interface is open(path, oflag, mode). … … 609 604 vfs_node_addref(node); 610 605 vfs_node_put(node); 606 vfs_file_put(file); 611 607 612 608 /* Success! Return the new file descriptor to the client. */ … … 617 613 { 618 614 // FIXME: check for sanity of the supplied fs, dev and index 619 620 if (!vfs_files_init()) {621 ipc_answer_0(rid, ENOMEM);622 return;623 }624 615 625 616 /* … … 686 677 vfs_node_addref(node); 687 678 vfs_node_put(node); 679 vfs_file_put(file); 688 680 689 681 /* Success! Return the new file descriptor to the client. */ … … 721 713 vfs_release_phone(file->node->fs_handle, fs_phone); 722 714 fibril_mutex_unlock(&file->lock); 723 715 716 vfs_file_put(file); 724 717 ipc_answer_0(rid, rc); 725 718 } … … 775 768 ipc_answer_0(rid, ret); 776 769 770 vfs_file_put(file); 777 771 ret = vfs_fd_free(fd); 778 772 ipc_answer_0(rid, ret); … … 875 869 file->pos += bytes; 876 870 fibril_mutex_unlock(&file->lock); 877 871 vfs_file_put(file); 872 878 873 /* 879 874 * FS server's reply is the final result of the whole operation we … … 915 910 file->pos = (aoff64_t) off; 916 911 fibril_mutex_unlock(&file->lock); 912 vfs_file_put(file); 917 913 ipc_answer_1(rid, EOK, off); 918 914 return; … … 922 918 if ((off >= 0) && (file->pos + off < file->pos)) { 923 919 fibril_mutex_unlock(&file->lock); 920 vfs_file_put(file); 924 921 ipc_answer_0(rid, EOVERFLOW); 925 922 return; … … 928 925 if ((off < 0) && (file->pos < (aoff64_t) -off)) { 929 926 fibril_mutex_unlock(&file->lock); 927 vfs_file_put(file); 930 928 ipc_answer_0(rid, EOVERFLOW); 931 929 return; … … 936 934 937 935 fibril_mutex_unlock(&file->lock); 936 vfs_file_put(file); 938 937 ipc_answer_2(rid, EOK, LOWER32(newoff), 939 938 UPPER32(newoff)); … … 946 945 fibril_rwlock_read_unlock(&file->node->contents_rwlock); 947 946 fibril_mutex_unlock(&file->lock); 947 vfs_file_put(file); 948 948 ipc_answer_0(rid, EOVERFLOW); 949 949 return; … … 953 953 fibril_rwlock_read_unlock(&file->node->contents_rwlock); 954 954 fibril_mutex_unlock(&file->lock); 955 vfs_file_put(file); 955 956 ipc_answer_0(rid, EOVERFLOW); 956 957 return; … … 962 963 fibril_rwlock_read_unlock(&file->node->contents_rwlock); 963 964 fibril_mutex_unlock(&file->lock); 965 vfs_file_put(file); 964 966 ipc_answer_2(rid, EOK, LOWER32(newoff), UPPER32(newoff)); 965 967 return; … … 967 969 968 970 fibril_mutex_unlock(&file->lock); 971 vfs_file_put(file); 969 972 ipc_answer_0(rid, EINVAL); 970 973 } … … 1005 1008 1006 1009 fibril_mutex_unlock(&file->lock); 1010 vfs_file_put(file); 1007 1011 ipc_answer_0(rid, (sysarg_t)rc); 1008 1012 } … … 1021 1025 ipc_callid_t callid; 1022 1026 if (!async_data_read_receive(&callid, NULL)) { 1027 vfs_file_put(file); 1023 1028 ipc_answer_0(callid, EINVAL); 1024 1029 ipc_answer_0(rid, EINVAL); … … 1038 1043 1039 1044 fibril_mutex_unlock(&file->lock); 1045 vfs_file_put(file); 1040 1046 ipc_answer_0(rid, rc); 1041 1047 } … … 1339 1345 int newfd = IPC_GET_ARG2(*request); 1340 1346 1347 /* If the file descriptors are the same, do nothing. */ 1348 if (oldfd == newfd) { 1349 ipc_answer_1(rid, EOK, newfd); 1350 return; 1351 } 1352 1341 1353 /* Lookup the file structure corresponding to oldfd. */ 1342 1354 vfs_file_t *oldfile = vfs_file_get(oldfd); 1343 1355 if (!oldfile) { 1344 1356 ipc_answer_0(rid, EBADF); 1345 return;1346 }1347 1348 /* If the file descriptors are the same, do nothing. */1349 if (oldfd == newfd) {1350 ipc_answer_1(rid, EOK, newfd);1351 1357 return; 1352 1358 } … … 1365 1371 if (ret != EOK) { 1366 1372 fibril_mutex_unlock(&oldfile->lock); 1373 vfs_file_put(oldfile); 1374 vfs_file_put(newfile); 1367 1375 ipc_answer_0(rid, ret); 1368 1376 return; … … 1372 1380 if (ret != EOK) { 1373 1381 fibril_mutex_unlock(&oldfile->lock); 1382 vfs_file_put(oldfile); 1383 vfs_file_put(newfile); 1374 1384 ipc_answer_0(rid, ret); 1375 1385 return; 1376 1386 } 1387 vfs_file_put(newfile); 1377 1388 } 1378 1389 … … 1380 1391 int ret = vfs_fd_assign(oldfile, newfd); 1381 1392 fibril_mutex_unlock(&oldfile->lock); 1393 vfs_file_put(oldfile); 1382 1394 1383 1395 if (ret != EOK)
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