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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "platform/globals.h" | 5 #include "platform/globals.h" |
| 6 #if defined(TARGET_OS_MACOS) | 6 #if defined(TARGET_OS_MACOS) |
| 7 | 7 |
| 8 #include "bin/eventhandler.h" | 8 #include "bin/eventhandler.h" |
| 9 #include "bin/eventhandler_macos.h" | 9 #include "bin/eventhandler_macos.h" |
| 10 | 10 |
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| 125 FATAL("Failed creating kqueue"); | 125 FATAL("Failed creating kqueue"); |
| 126 } | 126 } |
| 127 FDUtils::SetCloseOnExec(kqueue_fd_); | 127 FDUtils::SetCloseOnExec(kqueue_fd_); |
| 128 // Register the interrupt_fd with the kqueue. | 128 // Register the interrupt_fd with the kqueue. |
| 129 struct kevent event; | 129 struct kevent event; |
| 130 EV_SET(&event, interrupt_fds_[0], EVFILT_READ, EV_ADD, 0, 0, NULL); | 130 EV_SET(&event, interrupt_fds_[0], EVFILT_READ, EV_ADD, 0, 0, NULL); |
| 131 int status = NO_RETRY_EXPECTED(kevent(kqueue_fd_, &event, 1, NULL, 0, NULL)); | 131 int status = NO_RETRY_EXPECTED(kevent(kqueue_fd_, &event, 1, NULL, 0, NULL)); |
| 132 if (status == -1) { | 132 if (status == -1) { |
| 133 const int kBufferSize = 1024; | 133 const int kBufferSize = 1024; |
| 134 char error_message[kBufferSize]; | 134 char error_message[kBufferSize]; |
| 135 strerror_r(errno, error_message, kBufferSize); | 135 Utils::StrError(errno, error_message, kBufferSize); |
| 136 FATAL1("Failed adding interrupt fd to kqueue: %s\n", error_message); | 136 FATAL1("Failed adding interrupt fd to kqueue: %s\n", error_message); |
| 137 } | 137 } |
| 138 } | 138 } |
| 139 | 139 |
| 140 | 140 |
| 141 EventHandlerImplementation::~EventHandlerImplementation() { | 141 EventHandlerImplementation::~EventHandlerImplementation() { |
| 142 VOID_TEMP_FAILURE_RETRY(close(kqueue_fd_)); | 142 VOID_TEMP_FAILURE_RETRY(close(kqueue_fd_)); |
| 143 VOID_TEMP_FAILURE_RETRY(close(interrupt_fds_[0])); | 143 VOID_TEMP_FAILURE_RETRY(close(interrupt_fds_[0])); |
| 144 VOID_TEMP_FAILURE_RETRY(close(interrupt_fds_[1])); | 144 VOID_TEMP_FAILURE_RETRY(close(interrupt_fds_[1])); |
| 145 } | 145 } |
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| 351 | 351 |
| 352 | 352 |
| 353 void EventHandlerImplementation::HandleEvents(struct kevent* events, | 353 void EventHandlerImplementation::HandleEvents(struct kevent* events, |
| 354 int size) { | 354 int size) { |
| 355 bool interrupt_seen = false; | 355 bool interrupt_seen = false; |
| 356 for (int i = 0; i < size; i++) { | 356 for (int i = 0; i < size; i++) { |
| 357 // If flag EV_ERROR is set it indicates an error in kevent processing. | 357 // If flag EV_ERROR is set it indicates an error in kevent processing. |
| 358 if ((events[i].flags & EV_ERROR) != 0) { | 358 if ((events[i].flags & EV_ERROR) != 0) { |
| 359 const int kBufferSize = 1024; | 359 const int kBufferSize = 1024; |
| 360 char error_message[kBufferSize]; | 360 char error_message[kBufferSize]; |
| 361 strerror_r(events[i].data, error_message, kBufferSize); | 361 Utils::StrError(events[i].data, error_message, kBufferSize); |
| 362 FATAL1("kevent failed %s\n", error_message); | 362 FATAL1("kevent failed %s\n", error_message); |
| 363 } | 363 } |
| 364 if (events[i].udata == NULL) { | 364 if (events[i].udata == NULL) { |
| 365 interrupt_seen = true; | 365 interrupt_seen = true; |
| 366 } else { | 366 } else { |
| 367 DescriptorInfo* di = | 367 DescriptorInfo* di = |
| 368 reinterpret_cast<DescriptorInfo*>(events[i].udata); | 368 reinterpret_cast<DescriptorInfo*>(events[i].udata); |
| 369 intptr_t event_mask = GetEvents(events + i, di); | 369 intptr_t event_mask = GetEvents(events + i, di); |
| 370 if ((event_mask & (1 << kErrorEvent)) != 0) { | 370 if ((event_mask & (1 << kErrorEvent)) != 0) { |
| 371 di->NotifyAllDartPorts(event_mask); | 371 di->NotifyAllDartPorts(event_mask); |
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| 433 ts.tv_nsec = (millis32 - (secs * 1000)) * 1000000; | 433 ts.tv_nsec = (millis32 - (secs * 1000)) * 1000000; |
| 434 timeout = &ts; | 434 timeout = &ts; |
| 435 } | 435 } |
| 436 // We have to use TEMP_FAILURE_RETRY for mac, as kevent can modify the | 436 // We have to use TEMP_FAILURE_RETRY for mac, as kevent can modify the |
| 437 // current sigmask. | 437 // current sigmask. |
| 438 intptr_t result = TEMP_FAILURE_RETRY( | 438 intptr_t result = TEMP_FAILURE_RETRY( |
| 439 kevent(handler_impl->kqueue_fd_, NULL, 0, events, kMaxEvents, timeout)); | 439 kevent(handler_impl->kqueue_fd_, NULL, 0, events, kMaxEvents, timeout)); |
| 440 if (result == -1) { | 440 if (result == -1) { |
| 441 const int kBufferSize = 1024; | 441 const int kBufferSize = 1024; |
| 442 char error_message[kBufferSize]; | 442 char error_message[kBufferSize]; |
| 443 strerror_r(errno, error_message, kBufferSize); | 443 Utils::StrError(errno, error_message, kBufferSize); |
| 444 FATAL1("kevent failed %s\n", error_message); | 444 FATAL1("kevent failed %s\n", error_message); |
| 445 } else { | 445 } else { |
| 446 handler_impl->HandleTimeout(); | 446 handler_impl->HandleTimeout(); |
| 447 handler_impl->HandleEvents(events, result); | 447 handler_impl->HandleEvents(events, result); |
| 448 } | 448 } |
| 449 } | 449 } |
| 450 handler->NotifyShutdownDone(); | 450 handler->NotifyShutdownDone(); |
| 451 } | 451 } |
| 452 | 452 |
| 453 | 453 |
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| 481 | 481 |
| 482 uint32_t EventHandlerImplementation::GetHashmapHashFromFd(intptr_t fd) { | 482 uint32_t EventHandlerImplementation::GetHashmapHashFromFd(intptr_t fd) { |
| 483 // The hashmap does not support keys with value 0. | 483 // The hashmap does not support keys with value 0. |
| 484 return dart::Utils::WordHash(fd + 1); | 484 return dart::Utils::WordHash(fd + 1); |
| 485 } | 485 } |
| 486 | 486 |
| 487 } // namespace bin | 487 } // namespace bin |
| 488 } // namespace dart | 488 } // namespace dart |
| 489 | 489 |
| 490 #endif // defined(TARGET_OS_MACOS) | 490 #endif // defined(TARGET_OS_MACOS) |
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