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1 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved. | |
adlr
2010/10/07 17:26:05
it might be a bit more efficient to have the OS ki
petkov
2010/10/07 17:29:31
Yeah, thought about this. It seems better to exit
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2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "update_engine/terminator.h" | |
6 | |
7 #include <cstdlib> | |
8 | |
9 namespace chromeos_update_engine { | |
10 | |
11 volatile sig_atomic_t Terminator::exit_blocked_ = 0; | |
12 volatile sig_atomic_t Terminator::exit_requested_ = 0; | |
13 | |
14 void Terminator::Init() { | |
15 signal(SIGTERM, HandleSignal); | |
16 } | |
17 | |
18 void Terminator::Exit() { | |
19 exit(0); | |
20 } | |
21 | |
22 void Terminator::HandleSignal(int signum) { | |
23 if (exit_blocked_ == 0) { | |
24 Exit(); | |
25 } | |
26 exit_requested_ = 1; | |
27 } | |
28 | |
29 ScopedTerminatorExitUnblocker::~ScopedTerminatorExitUnblocker() { | |
30 Terminator::set_exit_blocked(false); | |
31 if (Terminator::exit_requested()) { | |
32 Terminator::Exit(); | |
33 } | |
34 } | |
35 | |
36 } // namespace chromeos_update_engine | |
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