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Issue 109803002: Profiler Take 2 (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 7 years ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, 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 "vm/globals.h" 5 #include "vm/globals.h"
6 #include "vm/simulator.h" 6 #include "vm/simulator.h"
7 #include "vm/signal_handler.h" 7 #include "vm/signal_handler.h"
8 #if defined(TARGET_OS_MACOS) 8 #if defined(TARGET_OS_MACOS)
9 9
10 namespace dart { 10 namespace dart {
(...skipping 61 matching lines...) Expand 10 before | Expand all | Expand 10 after
72 act.sa_sigaction = action; 72 act.sa_sigaction = action;
73 sigemptyset(&act.sa_mask); 73 sigemptyset(&act.sa_mask);
74 act.sa_flags = SA_RESTART | SA_SIGINFO; 74 act.sa_flags = SA_RESTART | SA_SIGINFO;
75 // TODO(johnmccutchan): Do we care about restoring the signal handler? 75 // TODO(johnmccutchan): Do we care about restoring the signal handler?
76 struct sigaction old_act; 76 struct sigaction old_act;
77 int r = sigaction(SIGPROF, &act, &old_act); 77 int r = sigaction(SIGPROF, &act, &old_act);
78 ASSERT(r == 0); 78 ASSERT(r == 0);
79 } 79 }
80 80
81 81
82 ScopedSignalBlocker::ScopedSignalBlocker() {
83 sigset_t set;
84 sigemptyset(&set);
85 sigaddset(&set, SIGPROF);
86 pthread_sigmask(SIG_SETMASK, &set, &old_);
87 }
88
89
90 ScopedSignalBlocker::~ScopedSignalBlocker() {
91 pthread_sigmask(SIG_SETMASK, &old_, NULL);
92 }
93
94 } // namespace dart 82 } // namespace dart
95 83
96 #endif // defined(TARGET_OS_MACOS) 84 #endif // defined(TARGET_OS_MACOS)
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