=== modified file 'kernel/generic/include/ipc/ipc.h'
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| 43 | 43 | #define IPC_CALL_LEN 6 |
| 44 | 44 | |
| 45 | 45 | /** Maximum active async calls per phone */ |
| 46 | | #define IPC_MAX_ASYNC_CALLS 4 |
| | 46 | #define IPC_MAX_ASYNC_CALLS 10 |
| 47 | 47 | |
| 48 | 48 | /* Flags for calls */ |
| 49 | 49 | |
=== modified file 'kernel/generic/src/ipc/ipc.c'
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| 705 | 705 | printf("connecting "); |
| 706 | 706 | break; |
| 707 | 707 | case IPC_PHONE_CONNECTED: |
| 708 | | printf("connected to: %p ", |
| 709 | | task->phones[i].callee); |
| | 708 | printf("connected to: %p (%" PRIu64 ") ", |
| | 709 | task->phones[i].callee, |
| | 710 | task->phones[i].callee->task->taskid); |
| 710 | 711 | break; |
| 711 | 712 | case IPC_PHONE_SLAMMED: |
| 712 | 713 | printf("slammed by: %p ", |
=== modified file 'uspace/lib/c/generic/io/vprintf.c'
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| 36 | 36 | #include <stdio.h> |
| 37 | 37 | #include <unistd.h> |
| 38 | 38 | #include <io/printf_core.h> |
| 39 | | #include <futex.h> |
| | 39 | #include <fibril_synch.h> |
| 40 | 40 | #include <async.h> |
| 41 | 41 | #include <str.h> |
| 42 | 42 | |
| 43 | | static atomic_t printf_futex = FUTEX_INITIALIZER; |
| | 43 | static FIBRIL_MUTEX_INITIALIZE(printf_mutex); |
| 44 | 44 | |
| 45 | 45 | static int vprintf_str_write(const char *str, size_t size, void *stream) |
| 46 | 46 | { |
| … |
… |
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| 84 | 84 | /* |
| 85 | 85 | * Prevent other threads to execute printf_core() |
| 86 | 86 | */ |
| 87 | | futex_down(&printf_futex); |
| 88 | | |
| 89 | | /* |
| 90 | | * Prevent other fibrils of the same thread |
| 91 | | * to execute printf_core() |
| 92 | | */ |
| 93 | | async_serialize_start(); |
| | 87 | fibril_mutex_lock(&printf_mutex); |
| 94 | 88 | |
| 95 | 89 | int ret = printf_core(fmt, &ps, ap); |
| 96 | 90 | |
| 97 | | async_serialize_end(); |
| 98 | | futex_up(&printf_futex); |
| | 91 | fibril_mutex_unlock(&printf_mutex); |
| 99 | 92 | |
| 100 | 93 | return ret; |
| 101 | 94 | } |
=== modified file 'uspace/lib/c/generic/loader.c'
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| 62 | 62 | |
| 63 | 63 | loader_t *loader_connect(void) |
| 64 | 64 | { |
| 65 | | int phone_id = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_LOAD, 0, 0); |
| | 65 | int phone_id = async_connect_me_to_blocking(PHONE_NS, SERVICE_LOAD, 0, 0); |
| 66 | 66 | if (phone_id < 0) |
| 67 | 67 | return NULL; |
| 68 | 68 | |
=== modified file 'uspace/lib/c/generic/vfs/vfs.c'
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| 45 | 45 | #include <ipc/ipc.h> |
| 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> |
| 51 | 50 | #include <str.h> |
| 52 | 51 | #include <devmap.h> |
| 53 | 52 | #include <ipc/vfs.h> |
| 54 | 53 | #include <ipc/devmap.h> |
| | 54 | #include <assert.h> |
| 55 | 55 | |
| 56 | 56 | static int vfs_phone = -1; |
| 57 | | static futex_t vfs_phone_futex = FUTEX_INITIALIZER; |
| 58 | | static futex_t cwd_futex = FUTEX_INITIALIZER; |
| | 57 | static FIBRIL_MUTEX_INITIALIZE(vfs_phone_mutex); |
| | 58 | static FIBRIL_MUTEX_INITIALIZE(cwd_mutex); |
| 59 | 59 | |
| 60 | 60 | static int cwd_fd = -1; |
| 61 | 61 | static char *cwd_path = NULL; |
| 62 | 62 | static size_t cwd_size = 0; |
| 63 | 63 | |
| | 64 | static void vfs_serialize_start(void) |
| | 65 | { |
| | 66 | fibril_mutex_lock(&vfs_phone_mutex); |
| | 67 | } |
| | 68 | |
| | 69 | static void vfs_serialize_end(void) |
| | 70 | { |
| | 71 | assert(fibril_mutex_is_locked(&vfs_phone_mutex)); |
| | 72 | fibril_mutex_unlock(&vfs_phone_mutex); |
| | 73 | } |
| | 74 | |
| 64 | 75 | char *absolutize(const char *path, size_t *retlen) |
| 65 | 76 | { |
| 66 | 77 | char *ncwd_path; |
| 67 | 78 | char *ncwd_path_nc; |
| 68 | 79 | |
| 69 | | futex_down(&cwd_futex); |
| | 80 | fibril_mutex_lock(&cwd_mutex); |
| 70 | 81 | size_t size = str_size(path); |
| 71 | 82 | if (*path != '/') { |
| 72 | 83 | if (!cwd_path) { |
| 73 | | futex_up(&cwd_futex); |
| | 84 | fibril_mutex_unlock(&cwd_mutex); |
| 74 | 85 | return NULL; |
| 75 | 86 | } |
| 76 | 87 | ncwd_path_nc = malloc(cwd_size + 1 + size + 1); |
| 77 | 88 | if (!ncwd_path_nc) { |
| 78 | | futex_up(&cwd_futex); |
| | 89 | fibril_mutex_unlock(&cwd_mutex); |
| 79 | 90 | return NULL; |
| 80 | 91 | } |
| 81 | 92 | str_cpy(ncwd_path_nc, cwd_size + 1 + size + 1, cwd_path); |
| … |
… |
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| 84 | 95 | } else { |
| 85 | 96 | ncwd_path_nc = malloc(size + 1); |
| 86 | 97 | if (!ncwd_path_nc) { |
| 87 | | futex_up(&cwd_futex); |
| | 98 | fibril_mutex_unlock(&cwd_mutex); |
| 88 | 99 | return NULL; |
| 89 | 100 | } |
| 90 | 101 | ncwd_path_nc[0] = '\0'; |
| … |
… |
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| 92 | 103 | str_append(ncwd_path_nc, cwd_size + 1 + size + 1, path); |
| 93 | 104 | ncwd_path = canonify(ncwd_path_nc, retlen); |
| 94 | 105 | if (!ncwd_path) { |
| 95 | | futex_up(&cwd_futex); |
| | 106 | fibril_mutex_unlock(&cwd_mutex); |
| 96 | 107 | free(ncwd_path_nc); |
| 97 | 108 | return NULL; |
| 98 | 109 | } |
| … |
… |
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| 104 | 115 | ncwd_path = str_dup(ncwd_path); |
| 105 | 116 | free(ncwd_path_nc); |
| 106 | 117 | if (!ncwd_path) { |
| 107 | | futex_up(&cwd_futex); |
| | 118 | fibril_mutex_unlock(&cwd_mutex); |
| 108 | 119 | return NULL; |
| 109 | 120 | } |
| 110 | | futex_up(&cwd_futex); |
| | 121 | fibril_mutex_unlock(&cwd_mutex); |
| 111 | 122 | return ncwd_path; |
| 112 | 123 | } |
| 113 | 124 | |
| 114 | 125 | static void vfs_connect(void) |
| 115 | 126 | { |
| | 127 | assert(fibril_mutex_is_locked(&vfs_phone_mutex)); |
| 116 | 128 | while (vfs_phone < 0) |
| 117 | 129 | vfs_phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_VFS, 0, 0); |
| 118 | 130 | } |
| … |
… |
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| 153 | 165 | return ENOMEM; |
| 154 | 166 | } |
| 155 | 167 | |
| 156 | | futex_down(&vfs_phone_futex); |
| 157 | | async_serialize_start(); |
| | 168 | vfs_serialize_start(); |
| 158 | 169 | vfs_connect(); |
| 159 | 170 | |
| 160 | 171 | sysarg_t rc_orig; |
| … |
… |
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| 162 | 173 | sysarg_t rc = async_data_write_start(vfs_phone, (void *) mpa, mpa_size); |
| 163 | 174 | if (rc != EOK) { |
| 164 | 175 | async_wait_for(req, &rc_orig); |
| 165 | | async_serialize_end(); |
| 166 | | futex_up(&vfs_phone_futex); |
| | 176 | vfs_serialize_end(); |
| 167 | 177 | free(mpa); |
| 168 | 178 | |
| 169 | 179 | if (null_id != -1) |
| … |
… |
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| 178 | 188 | rc = async_data_write_start(vfs_phone, (void *) opts, str_size(opts)); |
| 179 | 189 | if (rc != EOK) { |
| 180 | 190 | async_wait_for(req, &rc_orig); |
| 181 | | async_serialize_end(); |
| 182 | | futex_up(&vfs_phone_futex); |
| | 191 | vfs_serialize_end(); |
| 183 | 192 | free(mpa); |
| 184 | 193 | |
| 185 | 194 | if (null_id != -1) |
| … |
… |
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| 194 | 203 | rc = async_data_write_start(vfs_phone, (void *) fs_name, str_size(fs_name)); |
| 195 | 204 | if (rc != EOK) { |
| 196 | 205 | async_wait_for(req, &rc_orig); |
| 197 | | async_serialize_end(); |
| 198 | | futex_up(&vfs_phone_futex); |
| | 206 | vfs_serialize_end(); |
| 199 | 207 | free(mpa); |
| 200 | 208 | |
| 201 | 209 | if (null_id != -1) |
| … |
… |
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| 211 | 219 | rc = async_req_0_0(vfs_phone, IPC_M_PING); |
| 212 | 220 | if (rc != EOK) { |
| 213 | 221 | async_wait_for(req, &rc_orig); |
| 214 | | async_serialize_end(); |
| 215 | | futex_up(&vfs_phone_futex); |
| | 222 | vfs_serialize_end(); |
| 216 | 223 | free(mpa); |
| 217 | 224 | |
| 218 | 225 | if (null_id != -1) |
| … |
… |
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| 225 | 232 | } |
| 226 | 233 | |
| 227 | 234 | async_wait_for(req, &rc); |
| 228 | | async_serialize_end(); |
| 229 | | futex_up(&vfs_phone_futex); |
| | 235 | vfs_serialize_end(); |
| 230 | 236 | free(mpa); |
| 231 | 237 | |
| 232 | 238 | if ((rc != EOK) && (null_id != -1)) |
| … |
… |
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| 247 | 253 | if (!mpa) |
| 248 | 254 | return ENOMEM; |
| 249 | 255 | |
| 250 | | futex_down(&vfs_phone_futex); |
| 251 | | async_serialize_start(); |
| | 256 | vfs_serialize_start(); |
| 252 | 257 | vfs_connect(); |
| 253 | 258 | |
| 254 | 259 | req = async_send_0(vfs_phone, VFS_IN_UNMOUNT, NULL); |
| 255 | 260 | rc = async_data_write_start(vfs_phone, (void *) mpa, mpa_size); |
| 256 | 261 | if (rc != EOK) { |
| 257 | 262 | async_wait_for(req, &rc_orig); |
| 258 | | async_serialize_end(); |
| 259 | | futex_up(&vfs_phone_futex); |
| | 263 | vfs_serialize_end(); |
| 260 | 264 | free(mpa); |
| 261 | 265 | if (rc_orig == EOK) |
| 262 | 266 | return (int) rc; |
| … |
… |
|
| 266 | 270 | |
| 267 | 271 | |
| 268 | 272 | async_wait_for(req, &rc); |
| 269 | | async_serialize_end(); |
| 270 | | futex_up(&vfs_phone_futex); |
| | 273 | vfs_serialize_end(); |
| 271 | 274 | free(mpa); |
| 272 | 275 | |
| 273 | 276 | return (int) rc; |
| … |
… |
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| 275 | 278 | |
| 276 | 279 | static int open_internal(const char *abs, size_t abs_size, int lflag, int oflag) |
| 277 | 280 | { |
| 278 | | futex_down(&vfs_phone_futex); |
| 279 | | async_serialize_start(); |
| | 281 | vfs_serialize_start(); |
| 280 | 282 | vfs_connect(); |
| 281 | 283 | |
| 282 | 284 | ipc_call_t answer; |
| … |
… |
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| 287 | 289 | sysarg_t rc_orig; |
| 288 | 290 | async_wait_for(req, &rc_orig); |
| 289 | 291 | |
| 290 | | async_serialize_end(); |
| 291 | | futex_up(&vfs_phone_futex); |
| | 292 | vfs_serialize_end(); |
| 292 | 293 | |
| 293 | 294 | if (rc_orig == EOK) |
| 294 | 295 | return (int) rc; |
| … |
… |
|
| 297 | 298 | } |
| 298 | 299 | |
| 299 | 300 | async_wait_for(req, &rc); |
| 300 | | async_serialize_end(); |
| 301 | | futex_up(&vfs_phone_futex); |
| | 301 | vfs_serialize_end(); |
| 302 | 302 | |
| 303 | 303 | if (rc != EOK) |
| 304 | 304 | return (int) rc; |
| … |
… |
|
| 321 | 321 | |
| 322 | 322 | int open_node(fdi_node_t *node, int oflag) |
| 323 | 323 | { |
| 324 | | futex_down(&vfs_phone_futex); |
| 325 | | async_serialize_start(); |
| | 324 | vfs_serialize_start(); |
| 326 | 325 | vfs_connect(); |
| 327 | 326 | |
| 328 | 327 | ipc_call_t answer; |
| … |
… |
|
| 331 | 330 | |
| 332 | 331 | sysarg_t rc; |
| 333 | 332 | async_wait_for(req, &rc); |
| 334 | | async_serialize_end(); |
| 335 | | futex_up(&vfs_phone_futex); |
| | 333 | vfs_serialize_end(); |
| 336 | 334 | |
| 337 | 335 | if (rc != EOK) |
| 338 | 336 | return (int) rc; |
| … |
… |
|
| 344 | 342 | { |
| 345 | 343 | sysarg_t rc; |
| 346 | 344 | |
| 347 | | futex_down(&vfs_phone_futex); |
| 348 | | async_serialize_start(); |
| | 345 | vfs_serialize_start(); |
| 349 | 346 | vfs_connect(); |
| 350 | 347 | |
| 351 | 348 | rc = async_req_1_0(vfs_phone, VFS_IN_CLOSE, fildes); |
| 352 | 349 | |
| 353 | | async_serialize_end(); |
| 354 | | futex_up(&vfs_phone_futex); |
| | 350 | vfs_serialize_end(); |
| 355 | 351 | |
| 356 | 352 | return (int)rc; |
| 357 | 353 | } |
| … |
… |
|
| 362 | 358 | ipc_call_t answer; |
| 363 | 359 | aid_t req; |
| 364 | 360 | |
| 365 | | futex_down(&vfs_phone_futex); |
| 366 | | async_serialize_start(); |
| | 361 | vfs_serialize_start(); |
| 367 | 362 | vfs_connect(); |
| 368 | 363 | |
| 369 | 364 | req = async_send_1(vfs_phone, VFS_IN_READ, fildes, &answer); |
| … |
… |
|
| 372 | 367 | sysarg_t rc_orig; |
| 373 | 368 | |
| 374 | 369 | async_wait_for(req, &rc_orig); |
| 375 | | async_serialize_end(); |
| 376 | | futex_up(&vfs_phone_futex); |
| | 370 | vfs_serialize_end(); |
| 377 | 371 | if (rc_orig == EOK) |
| 378 | 372 | return (ssize_t) rc; |
| 379 | 373 | else |
| 380 | 374 | return (ssize_t) rc_orig; |
| 381 | 375 | } |
| 382 | 376 | async_wait_for(req, &rc); |
| 383 | | async_serialize_end(); |
| 384 | | futex_up(&vfs_phone_futex); |
| | 377 | vfs_serialize_end(); |
| 385 | 378 | if (rc == EOK) |
| 386 | 379 | return (ssize_t) IPC_GET_ARG1(answer); |
| 387 | 380 | else |
| … |
… |
|
| 394 | 387 | ipc_call_t answer; |
| 395 | 388 | aid_t req; |
| 396 | 389 | |
| 397 | | futex_down(&vfs_phone_futex); |
| 398 | | async_serialize_start(); |
| | 390 | vfs_serialize_start(); |
| 399 | 391 | vfs_connect(); |
| 400 | 392 | |
| 401 | 393 | req = async_send_1(vfs_phone, VFS_IN_WRITE, fildes, &answer); |
| … |
… |
|
| 404 | 396 | sysarg_t rc_orig; |
| 405 | 397 | |
| 406 | 398 | async_wait_for(req, &rc_orig); |
| 407 | | async_serialize_end(); |
| 408 | | futex_up(&vfs_phone_futex); |
| | 399 | vfs_serialize_end(); |
| 409 | 400 | if (rc_orig == EOK) |
| 410 | 401 | return (ssize_t) rc; |
| 411 | 402 | else |
| 412 | 403 | return (ssize_t) rc_orig; |
| 413 | 404 | } |
| 414 | 405 | async_wait_for(req, &rc); |
| 415 | | async_serialize_end(); |
| 416 | | futex_up(&vfs_phone_futex); |
| | 406 | vfs_serialize_end(); |
| 417 | 407 | if (rc == EOK) |
| 418 | 408 | return (ssize_t) IPC_GET_ARG1(answer); |
| 419 | 409 | else |
| … |
… |
|
| 422 | 412 | |
| 423 | 413 | int fsync(int fildes) |
| 424 | 414 | { |
| 425 | | futex_down(&vfs_phone_futex); |
| 426 | | async_serialize_start(); |
| | 415 | vfs_serialize_start(); |
| 427 | 416 | vfs_connect(); |
| 428 | 417 | |
| 429 | 418 | sysarg_t rc = async_req_1_0(vfs_phone, VFS_IN_SYNC, fildes); |
| 430 | 419 | |
| 431 | | async_serialize_end(); |
| 432 | | futex_up(&vfs_phone_futex); |
| | 420 | vfs_serialize_end(); |
| 433 | 421 | |
| 434 | 422 | return (int) rc; |
| 435 | 423 | } |
| 436 | 424 | |
| 437 | 425 | off64_t lseek(int fildes, off64_t offset, int whence) |
| 438 | 426 | { |
| 439 | | futex_down(&vfs_phone_futex); |
| 440 | | async_serialize_start(); |
| | 427 | vfs_serialize_start(); |
| 441 | 428 | vfs_connect(); |
| 442 | 429 | |
| 443 | 430 | sysarg_t newoff_lo; |
| … |
… |
|
| 446 | 433 | LOWER32(offset), UPPER32(offset), whence, |
| 447 | 434 | &newoff_lo, &newoff_hi); |
| 448 | 435 | |
| 449 | | async_serialize_end(); |
| 450 | | futex_up(&vfs_phone_futex); |
| | 436 | vfs_serialize_end(); |
| 451 | 437 | |
| 452 | 438 | if (rc != EOK) |
| 453 | 439 | return (off64_t) -1; |
| … |
… |
|
| 459 | 445 | { |
| 460 | 446 | sysarg_t rc; |
| 461 | 447 | |
| 462 | | futex_down(&vfs_phone_futex); |
| 463 | | async_serialize_start(); |
| | 448 | vfs_serialize_start(); |
| 464 | 449 | vfs_connect(); |
| 465 | 450 | |
| 466 | 451 | rc = async_req_3_0(vfs_phone, VFS_IN_TRUNCATE, fildes, |
| 467 | 452 | LOWER32(length), UPPER32(length)); |
| 468 | | async_serialize_end(); |
| 469 | | futex_up(&vfs_phone_futex); |
| | 453 | vfs_serialize_end(); |
| 470 | 454 | |
| 471 | 455 | return (int) rc; |
| 472 | 456 | } |
| … |
… |
|
| 476 | 460 | sysarg_t rc; |
| 477 | 461 | aid_t req; |
| 478 | 462 | |
| 479 | | futex_down(&vfs_phone_futex); |
| 480 | | async_serialize_start(); |
| | 463 | vfs_serialize_start(); |
| 481 | 464 | vfs_connect(); |
| 482 | 465 | |
| 483 | 466 | req = async_send_1(vfs_phone, VFS_IN_FSTAT, fildes, NULL); |
| … |
… |
|
| 486 | 469 | sysarg_t rc_orig; |
| 487 | 470 | |
| 488 | 471 | async_wait_for(req, &rc_orig); |
| 489 | | async_serialize_end(); |
| 490 | | futex_up(&vfs_phone_futex); |
| | 472 | vfs_serialize_end(); |
| 491 | 473 | if (rc_orig == EOK) |
| 492 | 474 | return (ssize_t) rc; |
| 493 | 475 | else |
| 494 | 476 | return (ssize_t) rc_orig; |
| 495 | 477 | } |
| 496 | 478 | async_wait_for(req, &rc); |
| 497 | | async_serialize_end(); |
| 498 | | futex_up(&vfs_phone_futex); |
| | 479 | vfs_serialize_end(); |
| 499 | 480 | |
| 500 | 481 | return rc; |
| 501 | 482 | } |
| … |
… |
|
| 511 | 492 | if (!pa) |
| 512 | 493 | return ENOMEM; |
| 513 | 494 | |
| 514 | | futex_down(&vfs_phone_futex); |
| 515 | | async_serialize_start(); |
| | 495 | vfs_serialize_start(); |
| 516 | 496 | vfs_connect(); |
| 517 | 497 | |
| 518 | 498 | req = async_send_0(vfs_phone, VFS_IN_STAT, NULL); |
| 519 | 499 | rc = async_data_write_start(vfs_phone, pa, pa_size); |
| 520 | 500 | if (rc != EOK) { |
| 521 | 501 | async_wait_for(req, &rc_orig); |
| 522 | | async_serialize_end(); |
| 523 | | futex_up(&vfs_phone_futex); |
| | 502 | vfs_serialize_end(); |
| 524 | 503 | free(pa); |
| 525 | 504 | if (rc_orig == EOK) |
| 526 | 505 | return (int) rc; |
| … |
… |
|
| 530 | 509 | rc = async_data_read_start(vfs_phone, stat, sizeof(struct stat)); |
| 531 | 510 | if (rc != EOK) { |
| 532 | 511 | async_wait_for(req, &rc_orig); |
| 533 | | async_serialize_end(); |
| 534 | | futex_up(&vfs_phone_futex); |
| | 512 | vfs_serialize_end(); |
| 535 | 513 | free(pa); |
| 536 | 514 | if (rc_orig == EOK) |
| 537 | 515 | return (int) rc; |
| … |
… |
|
| 539 | 517 | return (int) rc_orig; |
| 540 | 518 | } |
| 541 | 519 | async_wait_for(req, &rc); |
| 542 | | async_serialize_end(); |
| 543 | | futex_up(&vfs_phone_futex); |
| | 520 | vfs_serialize_end(); |
| 544 | 521 | free(pa); |
| 545 | 522 | return rc; |
| 546 | 523 | } |
| … |
… |
|
| 600 | 577 | if (!pa) |
| 601 | 578 | return ENOMEM; |
| 602 | 579 | |
| 603 | | futex_down(&vfs_phone_futex); |
| 604 | | async_serialize_start(); |
| | 580 | vfs_serialize_start(); |
| 605 | 581 | vfs_connect(); |
| 606 | 582 | |
| 607 | 583 | req = async_send_1(vfs_phone, VFS_IN_MKDIR, mode, NULL); |
| … |
… |
|
| 610 | 586 | sysarg_t rc_orig; |
| 611 | 587 | |
| 612 | 588 | async_wait_for(req, &rc_orig); |
| 613 | | async_serialize_end(); |
| 614 | | futex_up(&vfs_phone_futex); |
| | 589 | vfs_serialize_end(); |
| 615 | 590 | free(pa); |
| 616 | 591 | if (rc_orig == EOK) |
| 617 | 592 | return (int) rc; |
| … |
… |
|
| 619 | 594 | return (int) rc_orig; |
| 620 | 595 | } |
| 621 | 596 | async_wait_for(req, &rc); |
| 622 | | async_serialize_end(); |
| 623 | | futex_up(&vfs_phone_futex); |
| | 597 | vfs_serialize_end(); |
| 624 | 598 | free(pa); |
| 625 | 599 | return rc; |
| 626 | 600 | } |
| … |
… |
|
| 635 | 609 | if (!pa) |
| 636 | 610 | return ENOMEM; |
| 637 | 611 | |
| 638 | | futex_down(&vfs_phone_futex); |
| 639 | | async_serialize_start(); |
| | 612 | vfs_serialize_start(); |
| 640 | 613 | vfs_connect(); |
| 641 | 614 | |
| 642 | 615 | req = async_send_0(vfs_phone, VFS_IN_UNLINK, NULL); |
| … |
… |
|
| 645 | 618 | sysarg_t rc_orig; |
| 646 | 619 | |
| 647 | 620 | async_wait_for(req, &rc_orig); |
| 648 | | async_serialize_end(); |
| 649 | | futex_up(&vfs_phone_futex); |
| | 621 | vfs_serialize_end(); |
| 650 | 622 | free(pa); |
| 651 | 623 | if (rc_orig == EOK) |
| 652 | 624 | return (int) rc; |
| … |
… |
|
| 654 | 626 | return (int) rc_orig; |
| 655 | 627 | } |
| 656 | 628 | async_wait_for(req, &rc); |
| 657 | | async_serialize_end(); |
| 658 | | futex_up(&vfs_phone_futex); |
| | 629 | vfs_serialize_end(); |
| 659 | 630 | free(pa); |
| 660 | 631 | return rc; |
| 661 | 632 | } |
| … |
… |
|
| 688 | 659 | return ENOMEM; |
| 689 | 660 | } |
| 690 | 661 | |
| 691 | | futex_down(&vfs_phone_futex); |
| 692 | | async_serialize_start(); |
| | 662 | vfs_serialize_start(); |
| 693 | 663 | vfs_connect(); |
| 694 | 664 | |
| 695 | 665 | req = async_send_0(vfs_phone, VFS_IN_RENAME, NULL); |
| 696 | 666 | rc = async_data_write_start(vfs_phone, olda, olda_size); |
| 697 | 667 | if (rc != EOK) { |
| 698 | 668 | async_wait_for(req, &rc_orig); |
| 699 | | async_serialize_end(); |
| 700 | | futex_up(&vfs_phone_futex); |
| | 669 | vfs_serialize_end(); |
| 701 | 670 | free(olda); |
| 702 | 671 | free(newa); |
| 703 | 672 | if (rc_orig == EOK) |
| … |
… |
|
| 708 | 677 | rc = async_data_write_start(vfs_phone, newa, newa_size); |
| 709 | 678 | if (rc != EOK) { |
| 710 | 679 | async_wait_for(req, &rc_orig); |
| 711 | | async_serialize_end(); |
| 712 | | futex_up(&vfs_phone_futex); |
| | 680 | vfs_serialize_end(); |
| 713 | 681 | free(olda); |
| 714 | 682 | free(newa); |
| 715 | 683 | if (rc_orig == EOK) |
| … |
… |
|
| 718 | 686 | return (int) rc_orig; |
| 719 | 687 | } |
| 720 | 688 | async_wait_for(req, &rc); |
| 721 | | async_serialize_end(); |
| 722 | | futex_up(&vfs_phone_futex); |
| | 689 | vfs_serialize_end(); |
| 723 | 690 | free(olda); |
| 724 | 691 | free(newa); |
| 725 | 692 | return rc; |
| … |
… |
|
| 739 | 706 | return ENOENT; |
| 740 | 707 | } |
| 741 | 708 | |
| 742 | | futex_down(&cwd_futex); |
| | 709 | fibril_mutex_lock(&cwd_mutex); |
| 743 | 710 | |
| 744 | 711 | if (cwd_fd >= 0) |
| 745 | 712 | close(cwd_fd); |
| … |
… |
|
| 752 | 719 | cwd_path = abs; |
| 753 | 720 | cwd_size = abs_size; |
| 754 | 721 | |
| 755 | | futex_up(&cwd_futex); |
| | 722 | fibril_mutex_unlock(&cwd_mutex); |
| 756 | 723 | return EOK; |
| 757 | 724 | } |
| 758 | 725 | |
| … |
… |
|
| 761 | 728 | if (size == 0) |
| 762 | 729 | return NULL; |
| 763 | 730 | |
| 764 | | futex_down(&cwd_futex); |
| | 731 | fibril_mutex_lock(&cwd_mutex); |
| 765 | 732 | |
| 766 | 733 | if ((cwd_size == 0) || (size < cwd_size + 1)) { |
| 767 | | futex_up(&cwd_futex); |
| | 734 | fibril_mutex_unlock(&cwd_mutex); |
| 768 | 735 | return NULL; |
| 769 | 736 | } |
| 770 | 737 | |
| 771 | 738 | str_cpy(buf, size, cwd_path); |
| 772 | | futex_up(&cwd_futex); |
| | 739 | fibril_mutex_unlock(&cwd_mutex); |
| 773 | 740 | |
| 774 | 741 | return buf; |
| 775 | 742 | } |
| … |
… |
|
| 805 | 772 | |
| 806 | 773 | int dup2(int oldfd, int newfd) |
| 807 | 774 | { |
| 808 | | futex_down(&vfs_phone_futex); |
| 809 | | async_serialize_start(); |
| | 775 | vfs_serialize_start(); |
| 810 | 776 | vfs_connect(); |
| 811 | 777 | |
| 812 | 778 | sysarg_t ret; |
| 813 | 779 | sysarg_t rc = async_req_2_1(vfs_phone, VFS_IN_DUP, oldfd, newfd, &ret); |
| 814 | 780 | |
| 815 | | async_serialize_end(); |
| 816 | | futex_up(&vfs_phone_futex); |
| | 781 | vfs_serialize_end(); |
| 817 | 782 | |
| 818 | 783 | if (rc == EOK) |
| 819 | 784 | return (int) ret; |
=== modified file 'uspace/srv/devman/devman.c'
|
|
|
|
| 784 | 784 | if (is_running) { |
| 785 | 785 | /* Notify the driver about the new device. */ |
| 786 | 786 | int phone = async_connect_me_to(drv->phone, DRIVER_DEVMAN, 0, 0); |
| 787 | | if (phone > 0) { |
| | 787 | if (phone >= 0) { |
| 788 | 788 | add_device(phone, drv, node, tree); |
| 789 | 789 | ipc_hangup(phone); |
| 790 | 790 | } |