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Side by Side Diff: src/platform-solaris.cc

Issue 6667030: Use pthread_kill on solaris
Patch Set: Created 9 years, 9 months ago
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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. 1 // Copyright 2006-2009 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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673 } else { 673 } else {
674 if (sampler_->IsProfiling()) SendProfilingSignal(); 674 if (sampler_->IsProfiling()) SendProfilingSignal();
675 if (RuntimeProfiler::IsEnabled()) RuntimeProfiler::NotifyTick(); 675 if (RuntimeProfiler::IsEnabled()) RuntimeProfiler::NotifyTick();
676 Sleep(FULL_INTERVAL); 676 Sleep(FULL_INTERVAL);
677 } 677 }
678 } 678 }
679 } 679 }
680 680
681 void SendProfilingSignal() { 681 void SendProfilingSignal() {
682 if (!signal_handler_installed_) return; 682 if (!signal_handler_installed_) return;
683 // There doesn't seem to be a robust way to deliver a signal to a 683 // There doesn't seem to be a robust way to deliver a signal to a
Vitaly Repeshko 2011/03/11 07:42:19 I removed the comment.
684 // particular thread that may have terminated already. We send the 684 // particular thread that may have terminated already. We send the
685 // signal to the whole process hoping the right thread will get 685 // signal to the whole process hoping the right thread will get
686 // it. 686 // it.
687 kill(vm_tgid_, SIGPROF); 687 pthread_kill(vm_tid_, SIGPROF);
688 } 688 }
689 689
690 void Sleep(SleepInterval full_or_half) { 690 void Sleep(SleepInterval full_or_half) {
691 // Convert ms to us and subtract 100 us to compensate delays 691 // Convert ms to us and subtract 100 us to compensate delays
692 // occuring during signal delivery. 692 // occuring during signal delivery.
693 useconds_t interval = sampler_->interval_ * 1000 - 100; 693 useconds_t interval = sampler_->interval_ * 1000 - 100;
694 if (full_or_half == HALF_INTERVAL) interval /= 2; 694 if (full_or_half == HALF_INTERVAL) interval /= 2;
695 int result = usleep(interval); 695 int result = usleep(interval);
696 #ifdef DEBUG 696 #ifdef DEBUG
697 if (result != 0 && errno != EINTR) { 697 if (result != 0 && errno != EINTR) {
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783 data_->signal_handler_installed_ = false; 783 data_->signal_handler_installed_ = false;
784 } 784 }
785 785
786 // This sampler is no longer the active sampler. 786 // This sampler is no longer the active sampler.
787 active_sampler_ = NULL; 787 active_sampler_ = NULL;
788 } 788 }
789 789
790 #endif // ENABLE_LOGGING_AND_PROFILING 790 #endif // ENABLE_LOGGING_AND_PROFILING
791 791
792 } } // namespace v8::internal 792 } } // namespace v8::internal
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