Changes in uspace/lib/c/generic/async.c [8e80d3f:e35bf88] in mainline
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uspace/lib/c/generic/async.c (modified) (51 diffs)
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uspace/lib/c/generic/async.c
r8e80d3f re35bf88 43 43 * framework will automatically take care of most synchronization problems. 44 44 * 45 * Default semantics: 46 * - async_send_*(): Send asynchronously. If the kernel refuses to send 47 * more messages, [ try to get responses from kernel, if 48 * nothing found, might try synchronous ] 49 * 45 50 * Example of use (pseudo C): 46 51 * … … 53 58 * int fibril1(void *arg) 54 59 * { 55 * conn = async_connect_me_to();60 * conn = ipc_connect_me_to(); 56 61 * c1 = async_send(conn); 57 62 * c2 = async_send(conn); … … 72 77 * { 73 78 * if (want_refuse) { 74 * async_answer_0(icallid, ELIMIT);79 * ipc_answer_0(icallid, ELIMIT); 75 80 * return; 76 81 * } 77 * async_answer_0(icallid, EOK);82 * ipc_answer_0(icallid, EOK); 78 83 * 79 84 * callid = async_get_call(&call); 80 85 * somehow_handle_the_call(callid, call); 81 * async_answer_2(callid, 1, 2, 3);86 * ipc_answer_2(callid, 1, 2, 3); 82 87 * 83 88 * callid = async_get_call(&call); … … 87 92 */ 88 93 89 #define LIBC_ASYNC_C_ 90 #include <ipc/ipc.h> 94 #include <futex.h> 91 95 #include <async.h> 92 #undef LIBC_ASYNC_C_ 93 94 #include <futex.h> 96 #include <async_priv.h> 95 97 #include <fibril.h> 96 98 #include <stdio.h> 97 99 #include <adt/hash_table.h> 98 100 #include <adt/list.h> 101 #include <ipc/ipc.h> 99 102 #include <assert.h> 100 103 #include <errno.h> … … 102 105 #include <arch/barrier.h> 103 106 #include <bool.h> 104 #include "private/async.h"105 107 106 108 atomic_t async_futex = FUTEX_INITIALIZER; … … 118 120 ipc_call_t *dataptr; 119 121 120 sysarg_t retval;122 ipcarg_t retval; 121 123 } amsg_t; 122 124 123 125 /** 124 * Structures of this type are used to group information about 125 * a call and about amessage queue link.126 * Structures of this type are used to group information about a call and a 127 * message queue link. 126 128 */ 127 129 typedef struct { … … 132 134 133 135 typedef struct { 134 sysarg_t in_task_hash;135 link_t link;136 int refcnt;137 void *data;138 } client_t;139 140 typedef struct {141 136 awaiter_t wdata; 142 137 … … 144 139 link_t link; 145 140 146 /** Incoming client task hash. */147 sysarg_t in_task_hash;148 141 /** Incoming phone hash. */ 149 sysarg_t in_phone_hash; 150 151 /** Link to the client tracking structure. */ 152 client_t *client; 142 ipcarg_t in_phone_hash; 153 143 154 144 /** Messages that should be delivered to this fibril. */ … … 168 158 169 159 /** Identifier of the incoming connection handled by the current fibril. */ 170 static fibril_local connection_t *FIBRIL_connection; 171 172 static void *default_client_data_constructor(void) 173 { 174 return NULL; 175 } 176 177 static void default_client_data_destructor(void *data) 178 { 179 } 180 181 static async_client_data_ctor_t async_client_data_create = 182 default_client_data_constructor; 183 static async_client_data_dtor_t async_client_data_destroy = 184 default_client_data_destructor; 185 186 void async_set_client_data_constructor(async_client_data_ctor_t ctor) 187 { 188 async_client_data_create = ctor; 189 } 190 191 void async_set_client_data_destructor(async_client_data_dtor_t dtor) 192 { 193 async_client_data_destroy = dtor; 194 } 195 196 void *async_client_data_get(void) 197 { 198 assert(FIBRIL_connection); 199 return FIBRIL_connection->client->data; 200 } 201 202 /** Default fibril function that gets called to handle new connection. 203 * 204 * This function is defined as a weak symbol - to be redefined in user code. 205 * 206 * @param callid Hash of the incoming call. 207 * @param call Data of the incoming call. 208 * 209 */ 210 static void default_client_connection(ipc_callid_t callid, ipc_call_t *call) 211 { 212 ipc_answer_0(callid, ENOENT); 213 } 160 fibril_local connection_t *FIBRIL_connection; 161 162 static void default_client_connection(ipc_callid_t callid, ipc_call_t *call); 163 static void default_interrupt_received(ipc_callid_t callid, ipc_call_t *call); 214 164 215 165 /** … … 217 167 */ 218 168 static async_client_conn_t client_connection = default_client_connection; 219 220 /** Default fibril function that gets called to handle interrupt notifications.221 *222 * This function is defined as a weak symbol - to be redefined in user code.223 *224 * @param callid Hash of the incoming call.225 * @param call Data of the incoming call.226 *227 */228 static void default_interrupt_received(ipc_callid_t callid, ipc_call_t *call)229 {230 }231 169 232 170 /** … … 236 174 static async_client_conn_t interrupt_received = default_interrupt_received; 237 175 238 static hash_table_t client_hash_table;239 176 static hash_table_t conn_hash_table; 240 177 static LIST_INITIALIZE(timeout_list); 241 178 242 #define CLIENT_HASH_TABLE_BUCKETS 32 243 #define CONN_HASH_TABLE_BUCKETS 32 244 245 static hash_index_t client_hash(unsigned long key[]) 179 #define CONN_HASH_TABLE_CHAINS 32 180 181 /** Compute hash into the connection hash table based on the source phone hash. 182 * 183 * @param key Pointer to source phone hash. 184 * 185 * @return Index into the connection hash table. 186 * 187 */ 188 static hash_index_t conn_hash(unsigned long *key) 246 189 { 247 190 assert(key); 248 return (((key[0]) >> 4) % CLIENT_HASH_TABLE_BUCKETS); 249 } 250 251 static int client_compare(unsigned long key[], hash_count_t keys, link_t *item) 252 { 253 client_t *client = hash_table_get_instance(item, client_t, link); 254 return (key[0] == client->in_task_hash); 255 } 256 257 static void client_remove(link_t *item) 258 { 259 } 260 261 /** Operations for the client hash table. */ 262 static hash_table_operations_t client_hash_table_ops = { 263 .hash = client_hash, 264 .compare = client_compare, 265 .remove_callback = client_remove 266 }; 267 268 /** Compute hash into the connection hash table based on the source phone hash. 269 * 270 * @param key Pointer to source phone hash. 271 * 272 * @return Index into the connection hash table. 273 * 274 */ 275 static hash_index_t conn_hash(unsigned long key[]) 276 { 277 assert(key); 278 return (((key[0]) >> 4) % CONN_HASH_TABLE_BUCKETS); 191 return (((*key) >> 4) % CONN_HASH_TABLE_CHAINS); 279 192 } 280 193 … … 290 203 static int conn_compare(unsigned long key[], hash_count_t keys, link_t *item) 291 204 { 292 connection_t *conn = hash_table_get_instance(item, connection_t, link); 293 return (key[0] == conn->in_phone_hash); 294 } 295 205 connection_t *hs = hash_table_get_instance(item, connection_t, link); 206 return (key[0] == hs->in_phone_hash); 207 } 208 209 /** Connection hash table removal callback function. 210 * 211 * This function is called whenever a connection is removed from the connection 212 * hash table. 213 * 214 * @param item Connection hash table item being removed. 215 * 216 */ 296 217 static void conn_remove(link_t *item) 297 218 { 298 } 219 free(hash_table_get_instance(item, connection_t, link)); 220 } 221 299 222 300 223 /** Operations for the connection hash table. */ … … 317 240 link_t *tmp = timeout_list.next; 318 241 while (tmp != &timeout_list) { 319 awaiter_t *cur 320 = list_get_instance(tmp, awaiter_t, to_event.link); 242 awaiter_t *cur; 321 243 244 cur = list_get_instance(tmp, awaiter_t, to_event.link); 322 245 if (tv_gteq(&cur->to_event.expires, &wd->to_event.expires)) 323 246 break; 324 325 247 tmp = tmp->next; 326 248 } … … 339 261 * 340 262 * @return False if the call doesn't match any connection. 341 * @returnTrue if the call was passed to the respective connection fibril.263 * True if the call was passed to the respective connection fibril. 342 264 * 343 265 */ … … 366 288 list_append(&msg->link, &conn->msg_queue); 367 289 368 if (IPC_GET_ IMETHOD(*call) == IPC_M_PHONE_HUNGUP)290 if (IPC_GET_METHOD(*call) == IPC_M_PHONE_HUNGUP) 369 291 conn->close_callid = callid; 370 292 … … 430 352 431 353 fid_t fid = fibril_create(notification_fibril, msg); 432 if (fid == 0) {433 free(msg);434 futex_up(&async_futex);435 return false;436 }437 438 354 fibril_add_ready(fid); 439 355 … … 482 398 * the first IPC_M_PHONE_HUNGUP call and continues to 483 399 * call async_get_call_timeout(). Repeat 484 * IPC_M_PHONE_HUNGUP until the caller notices. 400 * IPC_M_PHONE_HUNGUP until the caller notices. 485 401 */ 486 402 memset(call, 0, sizeof(ipc_call_t)); 487 IPC_SET_ IMETHOD(*call, IPC_M_PHONE_HUNGUP);403 IPC_SET_METHOD(*call, IPC_M_PHONE_HUNGUP); 488 404 futex_up(&async_futex); 489 405 return conn->close_callid; 490 406 } 491 407 492 408 if (usecs) 493 409 async_insert_timeout(&conn->wdata); … … 527 443 } 528 444 445 /** Default fibril function that gets called to handle new connection. 446 * 447 * This function is defined as a weak symbol - to be redefined in user code. 448 * 449 * @param callid Hash of the incoming call. 450 * @param call Data of the incoming call. 451 * 452 */ 453 static void default_client_connection(ipc_callid_t callid, ipc_call_t *call) 454 { 455 ipc_answer_0(callid, ENOENT); 456 } 457 458 /** Default fibril function that gets called to handle interrupt notifications. 459 * 460 * This function is defined as a weak symbol - to be redefined in user code. 461 * 462 * @param callid Hash of the incoming call. 463 * @param call Data of the incoming call. 464 * 465 */ 466 static void default_interrupt_received(ipc_callid_t callid, ipc_call_t *call) 467 { 468 } 469 529 470 /** Wrapper for client connection fibril. 530 471 * … … 540 481 { 541 482 /* 542 * Setup fibril-local connection pointer. 483 * Setup fibril-local connection pointer and call client_connection(). 484 * 543 485 */ 544 486 FIBRIL_connection = (connection_t *) arg; 545 546 futex_down(&async_futex);547 548 /*549 * Add our reference for the current connection in the client task550 * tracking structure. If this is the first reference, create and551 * hash in a new tracking structure.552 */553 554 unsigned long key = FIBRIL_connection->in_task_hash;555 link_t *lnk = hash_table_find(&client_hash_table, &key);556 557 client_t *client;558 559 if (lnk) {560 client = hash_table_get_instance(lnk, client_t, link);561 client->refcnt++;562 } else {563 client = malloc(sizeof(client_t));564 if (!client) {565 ipc_answer_0(FIBRIL_connection->callid, ENOMEM);566 futex_up(&async_futex);567 return 0;568 }569 570 client->in_task_hash = FIBRIL_connection->in_task_hash;571 572 async_serialize_start();573 client->data = async_client_data_create();574 async_serialize_end();575 576 client->refcnt = 1;577 hash_table_insert(&client_hash_table, &key, &client->link);578 }579 580 futex_up(&async_futex);581 582 FIBRIL_connection->client = client;583 584 /*585 * Call the connection handler function.586 */587 487 FIBRIL_connection->cfibril(FIBRIL_connection->callid, 588 488 &FIBRIL_connection->call); 589 489 590 /* 591 * Remove the reference for this client task connection. 592 */ 593 bool destroy; 594 490 /* Remove myself from the connection hash table */ 595 491 futex_down(&async_futex); 596 597 if (--client->refcnt == 0) { 598 hash_table_remove(&client_hash_table, &key, 1); 599 destroy = true; 600 } else 601 destroy = false; 602 603 futex_up(&async_futex); 604 605 if (destroy) { 606 if (client->data) 607 async_client_data_destroy(client->data); 608 609 free(client); 610 } 611 612 /* 613 * Remove myself from the connection hash table. 614 */ 615 futex_down(&async_futex); 616 key = FIBRIL_connection->in_phone_hash; 492 unsigned long key = FIBRIL_connection->in_phone_hash; 617 493 hash_table_remove(&conn_hash_table, &key, 1); 618 494 futex_up(&async_futex); 619 495 620 /* 621 * Answer all remaining messages with EHANGUP. 622 */ 496 /* Answer all remaining messages with EHANGUP */ 623 497 while (!list_empty(&FIBRIL_connection->msg_queue)) { 624 msg_t *msg = 625 list_get_instance(FIBRIL_connection->msg_queue.next, msg_t, 626 link); 498 msg_t *msg; 627 499 500 msg = list_get_instance(FIBRIL_connection->msg_queue.next, 501 msg_t, link); 628 502 list_remove(&msg->link); 629 503 ipc_answer_0(msg->callid, EHANGUP); … … 631 505 } 632 506 633 /*634 * If the connection was hung-up, answer the last call,635 * i.e. IPC_M_PHONE_HUNGUP.636 */637 507 if (FIBRIL_connection->close_callid) 638 508 ipc_answer_0(FIBRIL_connection->close_callid, EOK); 639 509 640 free(FIBRIL_connection);641 510 return 0; 642 511 } … … 648 517 * particular fibrils. 649 518 * 650 * @param in_task_hash Identification of the incoming connection.651 519 * @param in_phone_hash Identification of the incoming connection. 652 520 * @param callid Hash of the opening IPC_M_CONNECT_ME_TO call. … … 661 529 * 662 530 */ 663 fid_t async_new_connection(sysarg_t in_task_hash, sysarg_t in_phone_hash, 664 ipc_callid_t callid, ipc_call_t *call, 665 void (*cfibril)(ipc_callid_t, ipc_call_t *)) 531 fid_t async_new_connection(ipcarg_t in_phone_hash, ipc_callid_t callid, 532 ipc_call_t *call, void (*cfibril)(ipc_callid_t, ipc_call_t *)) 666 533 { 667 534 connection_t *conn = malloc(sizeof(*conn)); … … 669 536 if (callid) 670 537 ipc_answer_0(callid, ENOMEM); 671 672 return (uintptr_t) NULL; 673 } 674 675 conn->in_task_hash = in_task_hash; 538 return NULL; 539 } 540 676 541 conn->in_phone_hash = in_phone_hash; 677 542 list_initialize(&conn->msg_queue); … … 687 552 conn->wdata.fid = fibril_create(connection_fibril, conn); 688 553 689 if ( conn->wdata.fid == 0) {554 if (!conn->wdata.fid) { 690 555 free(conn); 691 692 556 if (callid) 693 557 ipc_answer_0(callid, ENOMEM); 694 695 return (uintptr_t) NULL; 558 return NULL; 696 559 } 697 560 … … 719 582 static void handle_call(ipc_callid_t callid, ipc_call_t *call) 720 583 { 721 /* Unrouted call - take some default action*/584 /* Unrouted call - do some default behaviour */ 722 585 if ((callid & IPC_CALLID_NOTIFICATION)) { 723 586 process_notification(callid, call); 724 return;725 } 726 727 switch (IPC_GET_ IMETHOD(*call)) {587 goto out; 588 } 589 590 switch (IPC_GET_METHOD(*call)) { 728 591 case IPC_M_CONNECT_ME: 729 592 case IPC_M_CONNECT_ME_TO: 730 /* Open new connection with fibril ,etc. */731 async_new_connection( call->in_task_hash, IPC_GET_ARG5(*call),732 c allid, call, client_connection);733 return;593 /* Open new connection with fibril etc. */ 594 async_new_connection(IPC_GET_ARG5(*call), callid, call, 595 client_connection); 596 goto out; 734 597 } 735 598 736 599 /* Try to route the call through the connection hash table */ 737 600 if (route_call(callid, call)) 738 return;601 goto out; 739 602 740 603 /* Unknown call from unknown phone - hang it up */ 741 604 ipc_answer_0(callid, EHANGUP); 605 return; 606 607 out: 608 ; 742 609 } 743 610 … … 752 619 link_t *cur = timeout_list.next; 753 620 while (cur != &timeout_list) { 754 awaiter_t *waiter = 755 list_get_instance(cur, awaiter_t, to_event.link); 621 awaiter_t *waiter; 756 622 623 waiter = list_get_instance(cur, awaiter_t, to_event.link); 757 624 if (tv_gt(&waiter->to_event.expires, &tv)) 758 625 break; 759 626 760 627 cur = cur->next; 761 628 762 629 list_remove(&waiter->to_event.link); 763 630 waiter->to_event.inlist = false; … … 786 653 while (true) { 787 654 if (fibril_switch(FIBRIL_FROM_MANAGER)) { 788 futex_up(&async_futex); 655 futex_up(&async_futex); 789 656 /* 790 657 * async_futex is always held when entering a manager … … 809 676 continue; 810 677 } else 811 timeout = tv_sub(&waiter->to_event.expires, &tv); 678 timeout = tv_sub(&waiter->to_event.expires, 679 &tv); 812 680 } else 813 681 timeout = SYNCH_NO_TIMEOUT; 814 682 815 683 futex_up(&async_futex); 816 684 817 685 atomic_inc(&threads_in_ipc_wait); 818 686 … … 822 690 823 691 atomic_dec(&threads_in_ipc_wait); 824 692 825 693 if (!callid) { 826 694 handle_expired_timeouts(); … … 861 729 { 862 730 fid_t fid = fibril_create(async_manager_fibril, NULL); 863 if (fid != 0) 864 fibril_add_manager(fid); 731 fibril_add_manager(fid); 865 732 } 866 733 … … 873 740 /** Initialize the async framework. 874 741 * 875 */ 876 void __async_init(void) 877 { 878 if (!hash_table_create(&client_hash_table, CLIENT_HASH_TABLE_BUCKETS, 1, 879 &client_hash_table_ops)) 880 abort(); 881 882 if (!hash_table_create(&conn_hash_table, CONN_HASH_TABLE_BUCKETS, 1, 883 &conn_hash_table_ops)) 884 abort(); 742 * @return Zero on success or an error code. 743 */ 744 int __async_init(void) 745 { 746 if (!hash_table_create(&conn_hash_table, CONN_HASH_TABLE_CHAINS, 1, 747 &conn_hash_table_ops)) { 748 printf("%s: Cannot create async hash table\n", "libc"); 749 return ENOMEM; 750 } 751 752 return 0; 885 753 } 886 754 … … 895 763 * @param retval Value returned in the answer. 896 764 * @param data Call data of the answer. 897 *898 765 */ 899 766 static void reply_received(void *arg, int retval, ipc_call_t *data) … … 940 807 * 941 808 */ 942 aid_t async_send_fast(int phoneid, sysarg_t method, sysarg_t arg1,943 sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, ipc_call_t *dataptr)944 { 945 amsg_t *msg = malloc(sizeof( amsg_t));809 aid_t async_send_fast(int phoneid, ipcarg_t method, ipcarg_t arg1, 810 ipcarg_t arg2, ipcarg_t arg3, ipcarg_t arg4, ipc_call_t *dataptr) 811 { 812 amsg_t *msg = malloc(sizeof(*msg)); 946 813 947 814 if (!msg) … … 952 819 953 820 msg->wdata.to_event.inlist = false; 954 955 /* 956 * We may sleep in the next method, 957 * but it will use its own means 958 */ 821 /* We may sleep in the next method, but it will use its own mechanism */ 959 822 msg->wdata.active = true; 960 823 … … 983 846 * 984 847 */ 985 aid_t async_send_slow(int phoneid, sysarg_t method, sysarg_t arg1,986 sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, sysarg_t arg5,848 aid_t async_send_slow(int phoneid, ipcarg_t method, ipcarg_t arg1, 849 ipcarg_t arg2, ipcarg_t arg3, ipcarg_t arg4, ipcarg_t arg5, 987 850 ipc_call_t *dataptr) 988 851 { 989 amsg_t *msg = malloc(sizeof( amsg_t));852 amsg_t *msg = malloc(sizeof(*msg)); 990 853 991 854 if (!msg) … … 996 859 997 860 msg->wdata.to_event.inlist = false; 998 999 /* 1000 * We may sleep in the next method, 1001 * but it will use its own means 1002 */ 861 /* We may sleep in next method, but it will use its own mechanism */ 1003 862 msg->wdata.active = true; 1004 863 … … 1016 875 * 1017 876 */ 1018 void async_wait_for(aid_t amsgid, sysarg_t *retval)877 void async_wait_for(aid_t amsgid, ipcarg_t *retval) 1019 878 { 1020 879 amsg_t *msg = (amsg_t *) amsgid; … … 1052 911 * 1053 912 */ 1054 int async_wait_timeout(aid_t amsgid, sysarg_t *retval, suseconds_t timeout)913 int async_wait_timeout(aid_t amsgid, ipcarg_t *retval, suseconds_t timeout) 1055 914 { 1056 915 amsg_t *msg = (amsg_t *) amsgid; … … 1099 958 void async_usleep(suseconds_t timeout) 1100 959 { 1101 amsg_t *msg = malloc(sizeof( amsg_t));960 amsg_t *msg = malloc(sizeof(*msg)); 1102 961 1103 962 if (!msg) … … 1164 1023 * 1165 1024 */ 1166 sysarg_t async_req_fast(int phoneid, sysarg_t method, sysarg_t arg1,1167 sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, sysarg_t *r1, sysarg_t *r2,1168 sysarg_t *r3, sysarg_t *r4, sysarg_t *r5)1025 ipcarg_t async_req_fast(int phoneid, ipcarg_t method, ipcarg_t arg1, 1026 ipcarg_t arg2, ipcarg_t arg3, ipcarg_t arg4, ipcarg_t *r1, ipcarg_t *r2, 1027 ipcarg_t *r3, ipcarg_t *r4, ipcarg_t *r5) 1169 1028 { 1170 1029 ipc_call_t result; … … 1172 1031 &result); 1173 1032 1174 sysarg_t rc;1033 ipcarg_t rc; 1175 1034 async_wait_for(eid, &rc); 1176 1035 … … 1213 1072 * 1214 1073 */ 1215 sysarg_t async_req_slow(int phoneid, sysarg_t method, sysarg_t arg1,1216 sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, sysarg_t arg5, sysarg_t *r1,1217 sysarg_t *r2, sysarg_t *r3, sysarg_t *r4, sysarg_t *r5)1074 ipcarg_t async_req_slow(int phoneid, ipcarg_t method, ipcarg_t arg1, 1075 ipcarg_t arg2, ipcarg_t arg3, ipcarg_t arg4, ipcarg_t arg5, ipcarg_t *r1, 1076 ipcarg_t *r2, ipcarg_t *r3, ipcarg_t *r4, ipcarg_t *r5) 1218 1077 { 1219 1078 ipc_call_t result; … … 1221 1080 &result); 1222 1081 1223 sysarg_t rc;1082 ipcarg_t rc; 1224 1083 async_wait_for(eid, &rc); 1225 1084 … … 1242 1101 } 1243 1102 1244 void async_msg_0(int phone, sysarg_t imethod) 1245 { 1246 ipc_call_async_0(phone, imethod, NULL, NULL, true); 1247 } 1248 1249 void async_msg_1(int phone, sysarg_t imethod, sysarg_t arg1) 1250 { 1251 ipc_call_async_1(phone, imethod, arg1, NULL, NULL, true); 1252 } 1253 1254 void async_msg_2(int phone, sysarg_t imethod, sysarg_t arg1, sysarg_t arg2) 1255 { 1256 ipc_call_async_2(phone, imethod, arg1, arg2, NULL, NULL, true); 1257 } 1258 1259 void async_msg_3(int phone, sysarg_t imethod, sysarg_t arg1, sysarg_t arg2, 1260 sysarg_t arg3) 1261 { 1262 ipc_call_async_3(phone, imethod, arg1, arg2, arg3, NULL, NULL, true); 1263 } 1264 1265 void async_msg_4(int phone, sysarg_t imethod, sysarg_t arg1, sysarg_t arg2, 1266 sysarg_t arg3, sysarg_t arg4) 1267 { 1268 ipc_call_async_4(phone, imethod, arg1, arg2, arg3, arg4, NULL, NULL, 1269 true); 1270 } 1271 1272 void async_msg_5(int phone, sysarg_t imethod, sysarg_t arg1, sysarg_t arg2, 1273 sysarg_t arg3, sysarg_t arg4, sysarg_t arg5) 1274 { 1275 ipc_call_async_5(phone, imethod, arg1, arg2, arg3, arg4, arg5, NULL, 1276 NULL, true); 1277 } 1278 1279 sysarg_t async_answer_0(ipc_callid_t callid, sysarg_t retval) 1280 { 1281 return ipc_answer_0(callid, retval); 1282 } 1283 1284 sysarg_t async_answer_1(ipc_callid_t callid, sysarg_t retval, sysarg_t arg1) 1285 { 1286 return ipc_answer_1(callid, retval, arg1); 1287 } 1288 1289 sysarg_t async_answer_2(ipc_callid_t callid, sysarg_t retval, sysarg_t arg1, 1290 sysarg_t arg2) 1291 { 1292 return ipc_answer_2(callid, retval, arg1, arg2); 1293 } 1294 1295 sysarg_t async_answer_3(ipc_callid_t callid, sysarg_t retval, sysarg_t arg1, 1296 sysarg_t arg2, sysarg_t arg3) 1297 { 1298 return ipc_answer_3(callid, retval, arg1, arg2, arg3); 1299 } 1300 1301 sysarg_t async_answer_4(ipc_callid_t callid, sysarg_t retval, sysarg_t arg1, 1302 sysarg_t arg2, sysarg_t arg3, sysarg_t arg4) 1303 { 1304 return ipc_answer_4(callid, retval, arg1, arg2, arg3, arg4); 1305 } 1306 1307 sysarg_t async_answer_5(ipc_callid_t callid, sysarg_t retval, sysarg_t arg1, 1308 sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, sysarg_t arg5) 1309 { 1310 return ipc_answer_5(callid, retval, arg1, arg2, arg3, arg4, arg5); 1311 } 1312 1313 int async_forward_fast(ipc_callid_t callid, int phoneid, sysarg_t imethod, 1314 sysarg_t arg1, sysarg_t arg2, unsigned int mode) 1315 { 1316 return ipc_forward_fast(callid, phoneid, imethod, arg1, arg2, mode); 1317 } 1318 1319 int async_forward_slow(ipc_callid_t callid, int phoneid, sysarg_t imethod, 1320 sysarg_t arg1, sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, sysarg_t arg5, 1321 unsigned int mode) 1322 { 1323 return ipc_forward_slow(callid, phoneid, imethod, arg1, arg2, arg3, arg4, 1324 arg5, mode); 1325 } 1326 1327 /** Wrapper for making IPC_M_CONNECT_TO_ME calls using the async framework. 1328 * 1103 /** Wrapper for making IPC_M_CONNECT_ME_TO calls using the async framework. 1104 * 1329 1105 * Ask through phone for a new connection to some service. 1330 1106 * 1331 * @param phone 1332 * @param arg1 1333 * @param arg2 1334 * @param arg3 1335 * @param client_receiver Connection handing routine.1336 * 1337 * @return New phone handle on success or a negative error code.1338 * 1339 */ 1340 int async_connect_to_me(int phone, sysarg_t arg1, sysarg_t arg2, 1341 sysarg_t arg3, async_client_conn_t client_receiver) 1342 { 1343 sysarg_t task_hash; 1344 sysarg_t phone_hash;1345 int rc = async_req_3_5(phone, IPC_M_CONNECT_TO_ME, arg1, arg2, arg3,1346 NULL, NULL, NULL, &task_hash, &phone_hash);1347 if (rc != EOK) 1107 * @param phoneid Phone handle used for contacting the other side. 1108 * @param arg1 User defined argument. 1109 * @param arg2 User defined argument. 1110 * @param arg3 User defined argument. 1111 * 1112 * @return New phone handle on success or a negative error code. 1113 */ 1114 int 1115 async_connect_me_to(int phoneid, ipcarg_t arg1, ipcarg_t arg2, ipcarg_t arg3) 1116 { 1117 int rc; 1118 ipcarg_t newphid; 1119 1120 rc = async_req_3_5(phoneid, IPC_M_CONNECT_ME_TO, arg1, arg2, arg3, NULL, 1121 NULL, NULL, NULL, &newphid); 1122 1123 if (rc != EOK) 1348 1124 return rc; 1349 1350 if (client_receiver != NULL) 1351 async_new_connection(task_hash, phone_hash, 0, NULL, 1352 client_receiver); 1353 1354 return EOK; 1125 1126 return newphid; 1355 1127 } 1356 1128 1357 1129 /** Wrapper for making IPC_M_CONNECT_ME_TO calls using the async framework. 1358 * 1359 * Ask through phone for a new connection to some service. 1360 * 1361 * @param phone Phone handle used for contacting the other side. 1362 * @param arg1 User defined argument. 1363 * @param arg2 User defined argument. 1364 * @param arg3 User defined argument. 1365 * 1366 * @return New phone handle on success or a negative error code. 1367 * 1368 */ 1369 int async_connect_me_to(int phone, sysarg_t arg1, sysarg_t arg2, 1370 sysarg_t arg3) 1371 { 1372 sysarg_t newphid; 1373 int rc = async_req_3_5(phone, IPC_M_CONNECT_ME_TO, arg1, arg2, arg3, 1374 NULL, NULL, NULL, NULL, &newphid); 1375 1376 if (rc != EOK) 1377 return rc; 1378 1379 return newphid; 1380 } 1381 1382 /** Wrapper for making IPC_M_CONNECT_ME_TO calls using the async framework. 1383 * 1130 * 1384 1131 * Ask through phone for a new connection to some service and block until 1385 1132 * success. 1386 1133 * 1387 * @param phoneid Phone handle used for contacting the other side. 1388 * @param arg1 User defined argument. 1389 * @param arg2 User defined argument. 1390 * @param arg3 User defined argument. 1391 * 1392 * @return New phone handle on success or a negative error code. 1393 * 1394 */ 1395 int async_connect_me_to_blocking(int phoneid, sysarg_t arg1, sysarg_t arg2, 1396 sysarg_t arg3) 1397 { 1398 sysarg_t newphid; 1399 int rc = async_req_4_5(phoneid, IPC_M_CONNECT_ME_TO, arg1, arg2, arg3, 1134 * @param phoneid Phone handle used for contacting the other side. 1135 * @param arg1 User defined argument. 1136 * @param arg2 User defined argument. 1137 * @param arg3 User defined argument. 1138 * 1139 * @return New phone handle on success or a negative error code. 1140 */ 1141 int 1142 async_connect_me_to_blocking(int phoneid, ipcarg_t arg1, ipcarg_t arg2, 1143 ipcarg_t arg3) 1144 { 1145 int rc; 1146 ipcarg_t newphid; 1147 1148 rc = async_req_4_5(phoneid, IPC_M_CONNECT_ME_TO, arg1, arg2, arg3, 1400 1149 IPC_FLAG_BLOCKING, NULL, NULL, NULL, NULL, &newphid); 1401 1150 1402 if (rc != EOK) 1151 if (rc != EOK) 1403 1152 return rc; 1404 1153 1405 1154 return newphid; 1406 1155 } 1407 1156 1408 /** Connect to a task specified by id. 1409 * 1410 */ 1411 int async_connect_kbox(task_id_t id) 1412 { 1413 return ipc_connect_kbox(id); 1414 } 1415 1416 /** Wrapper for ipc_hangup. 1417 * 1418 * @param phone Phone handle to hung up. 1419 * 1420 * @return Zero on success or a negative error code. 1421 * 1422 */ 1423 int async_hangup(int phone) 1424 { 1425 return ipc_hangup(phone); 1426 } 1427 1428 /** Interrupt one thread of this task from waiting for IPC. */ 1429 void async_poke(void) 1430 { 1431 ipc_poke(); 1432 } 1433 1434 /** Wrapper for IPC_M_SHARE_IN calls using the async framework. 1435 * 1436 * @param phoneid Phone that will be used to contact the receiving side. 1437 * @param dst Destination address space area base. 1438 * @param size Size of the destination address space area. 1439 * @param arg User defined argument. 1440 * @param flags Storage for the received flags. Can be NULL. 1441 * 1442 * @return Zero on success or a negative error code from errno.h. 1443 * 1444 */ 1445 int async_share_in_start(int phoneid, void *dst, size_t size, sysarg_t arg, 1446 unsigned int *flags) 1447 { 1157 /** Wrapper for making IPC_M_SHARE_IN calls using the async framework. 1158 * 1159 * @param phoneid Phone that will be used to contact the receiving side. 1160 * @param dst Destination address space area base. 1161 * @param size Size of the destination address space area. 1162 * @param arg User defined argument. 1163 * @param flags Storage where the received flags will be stored. Can be 1164 * NULL. 1165 * 1166 * @return Zero on success or a negative error code from errno.h. 1167 */ 1168 int async_share_in_start(int phoneid, void *dst, size_t size, ipcarg_t arg, 1169 int *flags) 1170 { 1171 int res; 1448 1172 sysarg_t tmp_flags; 1449 int res = async_req_3_2(phoneid, IPC_M_SHARE_IN, (sysarg_t) dst, 1450 (sysarg_t) size, arg, NULL, &tmp_flags); 1451 1173 res = async_req_3_2(phoneid, IPC_M_SHARE_IN, (ipcarg_t) dst, 1174 (ipcarg_t) size, arg, NULL, &tmp_flags); 1452 1175 if (flags) 1453 *flags = (unsigned int) tmp_flags; 1454 1176 *flags = tmp_flags; 1455 1177 return res; 1456 1178 } … … 1458 1180 /** Wrapper for receiving the IPC_M_SHARE_IN calls using the async framework. 1459 1181 * 1460 * This wrapper only makes it more comfortable to receive IPC_M_SHARE_IN 1461 * calls so that the user doesn't have to remember the meaning of each IPC 1462 * argument. 1182 * This wrapper only makes it more comfortable to receive IPC_M_SHARE_IN calls 1183 * so that the user doesn't have to remember the meaning of each IPC argument. 1463 1184 * 1464 1185 * So far, this wrapper is to be used from within a connection fibril. 1465 1186 * 1466 * @param callid Storage for the hash of the IPC_M_SHARE_IN call. 1467 * @param size Destination address space area size. 1468 * 1469 * @return True on success, false on failure. 1470 * 1471 */ 1472 bool async_share_in_receive(ipc_callid_t *callid, size_t *size) 1473 { 1187 * @param callid Storage where the hash of the IPC_M_SHARE_IN call will 1188 * be stored. 1189 * @param size Destination address space area size. 1190 * 1191 * @return Non-zero on success, zero on failure. 1192 */ 1193 int async_share_in_receive(ipc_callid_t *callid, size_t *size) 1194 { 1195 ipc_call_t data; 1196 1474 1197 assert(callid); 1475 1198 assert(size); 1476 1199 1200 *callid = async_get_call(&data); 1201 if (IPC_GET_METHOD(data) != IPC_M_SHARE_IN) 1202 return 0; 1203 *size = (size_t) IPC_GET_ARG2(data); 1204 return 1; 1205 } 1206 1207 /** Wrapper for answering the IPC_M_SHARE_IN calls using the async framework. 1208 * 1209 * This wrapper only makes it more comfortable to answer IPC_M_DATA_READ calls 1210 * so that the user doesn't have to remember the meaning of each IPC argument. 1211 * 1212 * @param callid Hash of the IPC_M_DATA_READ call to answer. 1213 * @param src Source address space base. 1214 * @param flags Flags to be used for sharing. Bits can be only cleared. 1215 * 1216 * @return Zero on success or a value from @ref errno.h on failure. 1217 */ 1218 int async_share_in_finalize(ipc_callid_t callid, void *src, int flags) 1219 { 1220 return ipc_share_in_finalize(callid, src, flags); 1221 } 1222 1223 /** Wrapper for making IPC_M_SHARE_OUT calls using the async framework. 1224 * 1225 * @param phoneid Phone that will be used to contact the receiving side. 1226 * @param src Source address space area base address. 1227 * @param flags Flags to be used for sharing. Bits can be only cleared. 1228 * 1229 * @return Zero on success or a negative error code from errno.h. 1230 */ 1231 int async_share_out_start(int phoneid, void *src, int flags) 1232 { 1233 return async_req_3_0(phoneid, IPC_M_SHARE_OUT, (ipcarg_t) src, 0, 1234 (ipcarg_t) flags); 1235 } 1236 1237 /** Wrapper for receiving the IPC_M_SHARE_OUT calls using the async framework. 1238 * 1239 * This wrapper only makes it more comfortable to receive IPC_M_SHARE_OUT calls 1240 * so that the user doesn't have to remember the meaning of each IPC argument. 1241 * 1242 * So far, this wrapper is to be used from within a connection fibril. 1243 * 1244 * @param callid Storage where the hash of the IPC_M_SHARE_OUT call will 1245 * be stored. 1246 * @param size Storage where the source address space area size will be 1247 * stored. 1248 * @param flags Storage where the sharing flags will be stored. 1249 * 1250 * @return Non-zero on success, zero on failure. 1251 */ 1252 int async_share_out_receive(ipc_callid_t *callid, size_t *size, int *flags) 1253 { 1477 1254 ipc_call_t data; 1478 *callid = async_get_call(&data); 1479 1480 if (IPC_GET_IMETHOD(data) != IPC_M_SHARE_IN) 1481 return false; 1482 1483 *size = (size_t) IPC_GET_ARG2(data); 1484 return true; 1485 } 1486 1487 /** Wrapper for answering the IPC_M_SHARE_IN calls using the async framework. 1488 * 1489 * This wrapper only makes it more comfortable to answer IPC_M_DATA_READ 1490 * calls so that the user doesn't have to remember the meaning of each IPC 1491 * argument. 1492 * 1493 * @param callid Hash of the IPC_M_DATA_READ call to answer. 1494 * @param src Source address space base. 1495 * @param flags Flags to be used for sharing. Bits can be only cleared. 1496 * 1497 * @return Zero on success or a value from @ref errno.h on failure. 1498 * 1499 */ 1500 int async_share_in_finalize(ipc_callid_t callid, void *src, unsigned int flags) 1501 { 1502 return ipc_share_in_finalize(callid, src, flags); 1503 } 1504 1505 /** Wrapper for IPC_M_SHARE_OUT calls using the async framework. 1506 * 1507 * @param phoneid Phone that will be used to contact the receiving side. 1508 * @param src Source address space area base address. 1509 * @param flags Flags to be used for sharing. Bits can be only cleared. 1510 * 1511 * @return Zero on success or a negative error code from errno.h. 1512 * 1513 */ 1514 int async_share_out_start(int phoneid, void *src, unsigned int flags) 1515 { 1516 return async_req_3_0(phoneid, IPC_M_SHARE_OUT, (sysarg_t) src, 0, 1517 (sysarg_t) flags); 1518 } 1519 1520 /** Wrapper for receiving the IPC_M_SHARE_OUT calls using the async framework. 1521 * 1522 * This wrapper only makes it more comfortable to receive IPC_M_SHARE_OUT 1523 * calls so that the user doesn't have to remember the meaning of each IPC 1524 * argument. 1525 * 1526 * So far, this wrapper is to be used from within a connection fibril. 1527 * 1528 * @param callid Storage for the hash of the IPC_M_SHARE_OUT call. 1529 * @param size Storage for the source address space area size. 1530 * @param flags Storage for the sharing flags. 1531 * 1532 * @return True on success, false on failure. 1533 * 1534 */ 1535 bool async_share_out_receive(ipc_callid_t *callid, size_t *size, unsigned int *flags) 1536 { 1255 1537 1256 assert(callid); 1538 1257 assert(size); 1539 1258 assert(flags); 1540 1259 1260 *callid = async_get_call(&data); 1261 if (IPC_GET_METHOD(data) != IPC_M_SHARE_OUT) 1262 return 0; 1263 *size = (size_t) IPC_GET_ARG2(data); 1264 *flags = (int) IPC_GET_ARG3(data); 1265 return 1; 1266 } 1267 1268 /** Wrapper for answering the IPC_M_SHARE_OUT calls using the async framework. 1269 * 1270 * This wrapper only makes it more comfortable to answer IPC_M_SHARE_OUT calls 1271 * so that the user doesn't have to remember the meaning of each IPC argument. 1272 * 1273 * @param callid Hash of the IPC_M_DATA_WRITE call to answer. 1274 * @param dst Destination address space area base address. 1275 * 1276 * @return Zero on success or a value from @ref errno.h on failure. 1277 */ 1278 int async_share_out_finalize(ipc_callid_t callid, void *dst) 1279 { 1280 return ipc_share_out_finalize(callid, dst); 1281 } 1282 1283 1284 /** Wrapper for making IPC_M_DATA_READ calls using the async framework. 1285 * 1286 * @param phoneid Phone that will be used to contact the receiving side. 1287 * @param dst Address of the beginning of the destination buffer. 1288 * @param size Size of the destination buffer. 1289 * 1290 * @return Zero on success or a negative error code from errno.h. 1291 */ 1292 int async_data_read_start(int phoneid, void *dst, size_t size) 1293 { 1294 return async_req_2_0(phoneid, IPC_M_DATA_READ, (ipcarg_t) dst, 1295 (ipcarg_t) size); 1296 } 1297 1298 /** Wrapper for receiving the IPC_M_DATA_READ calls using the async framework. 1299 * 1300 * This wrapper only makes it more comfortable to receive IPC_M_DATA_READ calls 1301 * so that the user doesn't have to remember the meaning of each IPC argument. 1302 * 1303 * So far, this wrapper is to be used from within a connection fibril. 1304 * 1305 * @param callid Storage where the hash of the IPC_M_DATA_READ call will 1306 * be stored. 1307 * @param size Storage where the maximum size will be stored. Can be 1308 * NULL. 1309 * 1310 * @return Non-zero on success, zero on failure. 1311 */ 1312 int async_data_read_receive(ipc_callid_t *callid, size_t *size) 1313 { 1541 1314 ipc_call_t data; 1315 1316 assert(callid); 1317 1542 1318 *callid = async_get_call(&data); 1543 1544 if (IPC_GET_IMETHOD(data) != IPC_M_SHARE_OUT) 1545 return false; 1546 1547 *size = (size_t) IPC_GET_ARG2(data); 1548 *flags = (unsigned int) IPC_GET_ARG3(data); 1549 return true; 1550 } 1551 1552 /** Wrapper for answering the IPC_M_SHARE_OUT calls using the async framework. 1553 * 1554 * This wrapper only makes it more comfortable to answer IPC_M_SHARE_OUT 1555 * calls so that the user doesn't have to remember the meaning of each IPC 1556 * argument. 1557 * 1558 * @param callid Hash of the IPC_M_DATA_WRITE call to answer. 1559 * @param dst Destination address space area base address. 1560 * 1561 * @return Zero on success or a value from @ref errno.h on failure. 1562 * 1563 */ 1564 int async_share_out_finalize(ipc_callid_t callid, void *dst) 1565 { 1566 return ipc_share_out_finalize(callid, dst); 1567 } 1568 1569 /** Wrapper for IPC_M_DATA_READ calls using the async framework. 1570 * 1571 * @param phoneid Phone that will be used to contact the receiving side. 1572 * @param dst Address of the beginning of the destination buffer. 1573 * @param size Size of the destination buffer. 1574 * @param flags Flags to control the data transfer. 1575 * 1576 * @return Zero on success or a negative error code from errno.h. 1577 * 1578 */ 1579 int 1580 async_data_read_start_generic(int phoneid, void *dst, size_t size, int flags) 1581 { 1582 return async_req_3_0(phoneid, IPC_M_DATA_READ, (sysarg_t) dst, 1583 (sysarg_t) size, (sysarg_t) flags); 1584 } 1585 1586 /** Wrapper for receiving the IPC_M_DATA_READ calls using the async framework. 1587 * 1588 * This wrapper only makes it more comfortable to receive IPC_M_DATA_READ 1589 * calls so that the user doesn't have to remember the meaning of each IPC 1590 * argument. 1591 * 1592 * So far, this wrapper is to be used from within a connection fibril. 1593 * 1594 * @param callid Storage for the hash of the IPC_M_DATA_READ. 1595 * @param size Storage for the maximum size. Can be NULL. 1596 * 1597 * @return True on success, false on failure. 1598 * 1599 */ 1600 bool async_data_read_receive(ipc_callid_t *callid, size_t *size) 1601 { 1602 assert(callid); 1603 1604 ipc_call_t data; 1605 *callid = async_get_call(&data); 1606 1607 if (IPC_GET_IMETHOD(data) != IPC_M_DATA_READ) 1608 return false; 1609 1319 if (IPC_GET_METHOD(data) != IPC_M_DATA_READ) 1320 return 0; 1610 1321 if (size) 1611 1322 *size = (size_t) IPC_GET_ARG2(data); 1612 1613 return true; 1323 return 1; 1614 1324 } 1615 1325 1616 1326 /** Wrapper for answering the IPC_M_DATA_READ calls using the async framework. 1617 1327 * 1618 * This wrapper only makes it more comfortable to answer IPC_M_DATA_READ 1619 * calls so that the user doesn't have to remember the meaning of each IPC 1620 * argument. 1621 * 1622 * @param callid Hash of the IPC_M_DATA_READ call to answer. 1623 * @param src Source address for the IPC_M_DATA_READ call. 1624 * @param size Size for the IPC_M_DATA_READ call. Can be smaller than 1625 * the maximum size announced by the sender. 1626 * 1627 * @return Zero on success or a value from @ref errno.h on failure. 1628 * 1328 * This wrapper only makes it more comfortable to answer IPC_M_DATA_READ calls 1329 * so that the user doesn't have to remember the meaning of each IPC argument. 1330 * 1331 * @param callid Hash of the IPC_M_DATA_READ call to answer. 1332 * @param src Source address for the IPC_M_DATA_READ call. 1333 * @param size Size for the IPC_M_DATA_READ call. Can be smaller than 1334 * the maximum size announced by the sender. 1335 * 1336 * @return Zero on success or a value from @ref errno.h on failure. 1629 1337 */ 1630 1338 int async_data_read_finalize(ipc_callid_t callid, const void *src, size_t size) … … 1635 1343 /** Wrapper for forwarding any read request 1636 1344 * 1637 */ 1638 int async_data_read_forward_fast(int phoneid, sysarg_t method, sysarg_t arg1, 1639 sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, ipc_call_t *dataptr) 1345 * 1346 */ 1347 int async_data_read_forward_fast(int phoneid, ipcarg_t method, ipcarg_t arg1, 1348 ipcarg_t arg2, ipcarg_t arg3, ipcarg_t arg4, ipc_call_t *dataptr) 1640 1349 { 1641 1350 ipc_callid_t callid; … … 1660 1369 } 1661 1370 1662 sysarg_t rc;1371 ipcarg_t rc; 1663 1372 async_wait_for(msg, &rc); 1664 1373 … … 1666 1375 } 1667 1376 1668 /** Wrapper for IPC_M_DATA_WRITE calls using the async framework.1377 /** Wrapper for making IPC_M_DATA_WRITE calls using the async framework. 1669 1378 * 1670 1379 * @param phoneid Phone that will be used to contact the receiving side. 1671 1380 * @param src Address of the beginning of the source buffer. 1672 1381 * @param size Size of the source buffer. 1673 * @param flags Flags to control the data transfer.1674 1382 * 1675 1383 * @return Zero on success or a negative error code from errno.h. 1676 1384 * 1677 1385 */ 1678 int 1679 async_data_write_start_generic(int phoneid, const void *src, size_t size, 1680 int flags) 1681 { 1682 return async_req_3_0(phoneid, IPC_M_DATA_WRITE, (sysarg_t) src, 1683 (sysarg_t) size, (sysarg_t) flags); 1386 int async_data_write_start(int phoneid, const void *src, size_t size) 1387 { 1388 return async_req_2_0(phoneid, IPC_M_DATA_WRITE, (ipcarg_t) src, 1389 (ipcarg_t) size); 1684 1390 } 1685 1391 1686 1392 /** Wrapper for receiving the IPC_M_DATA_WRITE calls using the async framework. 1687 1393 * 1688 * This wrapper only makes it more comfortable to receive IPC_M_DATA_WRITE 1689 * calls so that the user doesn't have to remember the meaning of each IPC 1690 * argument. 1394 * This wrapper only makes it more comfortable to receive IPC_M_DATA_WRITE calls 1395 * so that the user doesn't have to remember the meaning of each IPC argument. 1691 1396 * 1692 1397 * So far, this wrapper is to be used from within a connection fibril. 1693 1398 * 1694 * @param callid Storage for the hash of the IPC_M_DATA_WRITE. 1695 * @param size Storage for the suggested size. May be NULL. 1696 * 1697 * @return True on success, false on failure. 1698 * 1699 */ 1700 bool async_data_write_receive(ipc_callid_t *callid, size_t *size) 1701 { 1399 * @param callid Storage where the hash of the IPC_M_DATA_WRITE call will 1400 * be stored. 1401 * @param size Storage where the suggested size will be stored. May be 1402 * NULL 1403 * 1404 * @return Non-zero on success, zero on failure. 1405 * 1406 */ 1407 int async_data_write_receive(ipc_callid_t *callid, size_t *size) 1408 { 1409 ipc_call_t data; 1410 1702 1411 assert(callid); 1703 1412 1704 ipc_call_t data;1705 1413 *callid = async_get_call(&data); 1706 1707 if (IPC_GET_IMETHOD(data) != IPC_M_DATA_WRITE) 1708 return false; 1414 if (IPC_GET_METHOD(data) != IPC_M_DATA_WRITE) 1415 return 0; 1709 1416 1710 1417 if (size) 1711 1418 *size = (size_t) IPC_GET_ARG2(data); 1712 1419 1713 return true;1420 return 1; 1714 1421 } 1715 1422 1716 1423 /** Wrapper for answering the IPC_M_DATA_WRITE calls using the async framework. 1717 1424 * 1718 * This wrapper only makes it more comfortable to answer IPC_M_DATA_WRITE 1719 * calls so that the user doesn't have to remember the meaning of each IPC 1720 * argument. 1425 * This wrapper only makes it more comfortable to answer IPC_M_DATA_WRITE calls 1426 * so that the user doesn't have to remember the meaning of each IPC argument. 1721 1427 * 1722 1428 * @param callid Hash of the IPC_M_DATA_WRITE call to answer. … … 1814 1520 * 1815 1521 */ 1816 void async_data_write_void( sysarg_t retval)1522 void async_data_write_void(const int retval) 1817 1523 { 1818 1524 ipc_callid_t callid; … … 1823 1529 /** Wrapper for forwarding any data that is about to be received 1824 1530 * 1825 */ 1826 int async_data_write_forward_fast(int phoneid, sysarg_t method, sysarg_t arg1, 1827 sysarg_t arg2, sysarg_t arg3, sysarg_t arg4, ipc_call_t *dataptr) 1531 * 1532 */ 1533 int async_data_write_forward_fast(int phoneid, ipcarg_t method, ipcarg_t arg1, 1534 ipcarg_t arg2, ipcarg_t arg3, ipcarg_t arg4, ipc_call_t *dataptr) 1828 1535 { 1829 1536 ipc_callid_t callid; … … 1848 1555 } 1849 1556 1850 sysarg_t rc;1557 ipcarg_t rc; 1851 1558 async_wait_for(msg, &rc); 1852 1559
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