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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/process/kill.h" | 5 #include "base/process/kill.h" |
6 | 6 |
7 #include <signal.h> | 7 #include <signal.h> |
8 #include <sys/types.h> | 8 #include <sys/types.h> |
9 #include <sys/wait.h> | 9 #include <sys/wait.h> |
10 #include <unistd.h> | 10 #include <unistd.h> |
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408 // A thread class which waits for the given child to exit and reaps it. | 408 // A thread class which waits for the given child to exit and reaps it. |
409 // If the child doesn't exit within a couple of seconds, kill it. | 409 // If the child doesn't exit within a couple of seconds, kill it. |
410 class BackgroundReaper : public PlatformThread::Delegate { | 410 class BackgroundReaper : public PlatformThread::Delegate { |
411 public: | 411 public: |
412 BackgroundReaper(pid_t child, unsigned timeout) | 412 BackgroundReaper(pid_t child, unsigned timeout) |
413 : child_(child), | 413 : child_(child), |
414 timeout_(timeout) { | 414 timeout_(timeout) { |
415 } | 415 } |
416 | 416 |
417 // Overridden from PlatformThread::Delegate: | 417 // Overridden from PlatformThread::Delegate: |
418 virtual void ThreadMain() override { | 418 void ThreadMain() override { |
419 WaitForChildToDie(); | 419 WaitForChildToDie(); |
420 delete this; | 420 delete this; |
421 } | 421 } |
422 | 422 |
423 void WaitForChildToDie() { | 423 void WaitForChildToDie() { |
424 // Wait forever case. | 424 // Wait forever case. |
425 if (timeout_ == 0) { | 425 if (timeout_ == 0) { |
426 pid_t r = HANDLE_EINTR(waitpid(child_, NULL, 0)); | 426 pid_t r = HANDLE_EINTR(waitpid(child_, NULL, 0)); |
427 if (r != child_) { | 427 if (r != child_) { |
428 DPLOG(ERROR) << "While waiting for " << child_ | 428 DPLOG(ERROR) << "While waiting for " << child_ |
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479 return; | 479 return; |
480 | 480 |
481 BackgroundReaper* reaper = new BackgroundReaper(process, 0); | 481 BackgroundReaper* reaper = new BackgroundReaper(process, 0); |
482 PlatformThread::CreateNonJoinable(0, reaper); | 482 PlatformThread::CreateNonJoinable(0, reaper); |
483 } | 483 } |
484 | 484 |
485 #endif // !defined(OS_MACOSX) | 485 #endif // !defined(OS_MACOSX) |
486 #endif // !defined(__native_client_nonsfi__) | 486 #endif // !defined(__native_client_nonsfi__) |
487 | 487 |
488 } // namespace base | 488 } // namespace base |
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