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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 <errno.h> // NOLINT | 8 #include <errno.h> // NOLINT |
| 9 #include <stdio.h> // NOLINT | 9 #include <stdio.h> // NOLINT |
| 10 #include <stdlib.h> // NOLINT | 10 #include <stdlib.h> // NOLINT |
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| 83 DebuggerConnectionHandler::AcceptDbgConnection(fd); | 83 DebuggerConnectionHandler::AcceptDbgConnection(fd); |
| 84 | 84 |
| 85 /* For now, don't poll the debugger connection. | 85 /* For now, don't poll the debugger connection. |
| 86 struct kevent ev_add; | 86 struct kevent ev_add; |
| 87 EV_SET(&ev_add, fd, EVFILT_READ, EV_ADD, 0, 0, NULL); | 87 EV_SET(&ev_add, fd, EVFILT_READ, EV_ADD, 0, 0, NULL); |
| 88 int status = | 88 int status = |
| 89 TEMP_FAILURE_RETRY(kevent(kqueue_fd_, &ev_add, 1, NULL, 0, NULL)); | 89 TEMP_FAILURE_RETRY(kevent(kqueue_fd_, &ev_add, 1, NULL, 0, NULL)); |
| 90 if (status == -1) { | 90 if (status == -1) { |
| 91 const int kBufferSize = 1024; | 91 const int kBufferSize = 1024; |
| 92 char error_message[kBufferSize]; | 92 char error_message[kBufferSize]; |
| 93 strerror_r(errno, error_message, kBufferSize); | 93 Utils::StrError(errno, error_message, kBufferSize); |
| 94 FATAL1("Failed adding debugger socket to kqueue: %s\n", error_message); | 94 FATAL1("Failed adding debugger socket to kqueue: %s\n", error_message); |
| 95 } | 95 } |
| 96 */ | 96 */ |
| 97 } else if (ident == wakeup_fds_[0]) { | 97 } else if (ident == wakeup_fds_[0]) { |
| 98 Message msg; | 98 Message msg; |
| 99 if (ReceiveMessage(&msg)) { | 99 if (ReceiveMessage(&msg)) { |
| 100 Log::Print("Received sync message id %d.\n", msg.msg_id); | 100 Log::Print("Received sync message id %d.\n", msg.msg_id); |
| 101 } | 101 } |
| 102 } else { | 102 } else { |
| 103 Log::Print("unexpected: receiving debugger connection event.\n"); | 103 Log::Print("unexpected: receiving debugger connection event.\n"); |
| 104 UNIMPLEMENTED(); | 104 UNIMPLEMENTED(); |
| 105 } | 105 } |
| 106 } | 106 } |
| 107 | 107 |
| 108 | 108 |
| 109 void DebuggerConnectionImpl::Handler(uword args) { | 109 void DebuggerConnectionImpl::Handler(uword args) { |
| 110 static const int kMaxEvents = 4; | 110 static const int kMaxEvents = 4; |
| 111 struct kevent events[kMaxEvents]; | 111 struct kevent events[kMaxEvents]; |
| 112 | 112 |
| 113 while (1) { | 113 while (1) { |
| 114 // Wait indefinitely for an event. | 114 // Wait indefinitely for an event. |
| 115 int result = TEMP_FAILURE_RETRY( | 115 int result = TEMP_FAILURE_RETRY( |
| 116 kevent(kqueue_fd_, NULL, 0, events, kMaxEvents, NULL)); | 116 kevent(kqueue_fd_, NULL, 0, events, kMaxEvents, NULL)); |
| 117 if (result == -1) { | 117 if (result == -1) { |
| 118 const int kBufferSize = 1024; | 118 const int kBufferSize = 1024; |
| 119 char error_message[kBufferSize]; | 119 char error_message[kBufferSize]; |
| 120 strerror_r(errno, error_message, kBufferSize); | 120 Utils::StrError(errno, error_message, kBufferSize); |
| 121 FATAL1("kevent failed %s\n", error_message); | 121 FATAL1("kevent failed %s\n", error_message); |
| 122 } else { | 122 } else { |
| 123 ASSERT(result <= kMaxEvents); | 123 ASSERT(result <= kMaxEvents); |
| 124 for (int i = 0; i < result; i++) { | 124 for (int i = 0; i < result; i++) { |
| 125 HandleEvent(&events[i]); | 125 HandleEvent(&events[i]); |
| 126 } | 126 } |
| 127 } | 127 } |
| 128 } | 128 } |
| 129 Log::Print("shutting down debugger thread\n"); | 129 Log::Print("shutting down debugger thread\n"); |
| 130 } | 130 } |
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| 142 if (kqueue_fd_ == -1) { | 142 if (kqueue_fd_ == -1) { |
| 143 FATAL("Failed creating kqueue\n"); | 143 FATAL("Failed creating kqueue\n"); |
| 144 } | 144 } |
| 145 // Register the wakeup_fd_ with the kqueue. | 145 // Register the wakeup_fd_ with the kqueue. |
| 146 struct kevent event; | 146 struct kevent event; |
| 147 EV_SET(&event, wakeup_fds_[0], EVFILT_READ, EV_ADD, 0, 0, NULL); | 147 EV_SET(&event, wakeup_fds_[0], EVFILT_READ, EV_ADD, 0, 0, NULL); |
| 148 int status = NO_RETRY_EXPECTED(kevent(kqueue_fd_, &event, 1, NULL, 0, NULL)); | 148 int status = NO_RETRY_EXPECTED(kevent(kqueue_fd_, &event, 1, NULL, 0, NULL)); |
| 149 if (status == -1) { | 149 if (status == -1) { |
| 150 const int kBufferSize = 1024; | 150 const int kBufferSize = 1024; |
| 151 char error_message[kBufferSize]; | 151 char error_message[kBufferSize]; |
| 152 strerror_r(errno, error_message, kBufferSize); | 152 Utils::StrError(errno, error_message, kBufferSize); |
| 153 FATAL1("Failed adding wakeup pipe fd to kqueue: %s\n", error_message); | 153 FATAL1("Failed adding wakeup pipe fd to kqueue: %s\n", error_message); |
| 154 } | 154 } |
| 155 | 155 |
| 156 // Register the listening socket. | 156 // Register the listening socket. |
| 157 EV_SET(&event, DebuggerConnectionHandler::listener_fd_, | 157 EV_SET(&event, DebuggerConnectionHandler::listener_fd_, |
| 158 EVFILT_READ, EV_ADD, 0, 0, NULL); | 158 EVFILT_READ, EV_ADD, 0, 0, NULL); |
| 159 status = NO_RETRY_EXPECTED(kevent(kqueue_fd_, &event, 1, NULL, 0, NULL)); | 159 status = NO_RETRY_EXPECTED(kevent(kqueue_fd_, &event, 1, NULL, 0, NULL)); |
| 160 if (status == -1) { | 160 if (status == -1) { |
| 161 const int kBufferSize = 1024; | 161 const int kBufferSize = 1024; |
| 162 char error_message[kBufferSize]; | 162 char error_message[kBufferSize]; |
| 163 strerror_r(errno, error_message, kBufferSize); | 163 Utils::StrError(errno, error_message, kBufferSize); |
| 164 FATAL1("Failed adding listener socket to kqueue: %s\n", error_message); | 164 FATAL1("Failed adding listener socket to kqueue: %s\n", error_message); |
| 165 } | 165 } |
| 166 } | 166 } |
| 167 | 167 |
| 168 | 168 |
| 169 void DebuggerConnectionImpl::StartHandler(int port_number) { | 169 void DebuggerConnectionImpl::StartHandler(int port_number) { |
| 170 ASSERT(DebuggerConnectionHandler::listener_fd_ != -1); | 170 ASSERT(DebuggerConnectionHandler::listener_fd_ != -1); |
| 171 SetupPollQueue(); | 171 SetupPollQueue(); |
| 172 int result = Thread::Start(&DebuggerConnectionImpl::Handler, 0); | 172 int result = Thread::Start(&DebuggerConnectionImpl::Handler, 0); |
| 173 if (result != 0) { | 173 if (result != 0) { |
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| 184 | 184 |
| 185 | 185 |
| 186 intptr_t DebuggerConnectionImpl::Receive(intptr_t socket, char* buf, int len) { | 186 intptr_t DebuggerConnectionImpl::Receive(intptr_t socket, char* buf, int len) { |
| 187 return TEMP_FAILURE_RETRY(read(socket, buf, len)); | 187 return TEMP_FAILURE_RETRY(read(socket, buf, len)); |
| 188 } | 188 } |
| 189 | 189 |
| 190 } // namespace bin | 190 } // namespace bin |
| 191 } // namespace dart | 191 } // namespace dart |
| 192 | 192 |
| 193 #endif // defined(TARGET_OS_MACOS) | 193 #endif // defined(TARGET_OS_MACOS) |
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