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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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