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1 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium OS 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 "update_engine/terminator.h" | 5 #include "update_engine/terminator.h" |
6 | 6 |
7 #include <cstdlib> | 7 #include <cstdlib> |
8 | 8 |
9 namespace chromeos_update_engine { | 9 namespace chromeos_update_engine { |
10 | 10 |
11 volatile sig_atomic_t Terminator::exit_blocked_ = 0; | 11 volatile sig_atomic_t Terminator::exit_blocked_ = 0; |
12 volatile sig_atomic_t Terminator::exit_requested_ = 0; | 12 volatile sig_atomic_t Terminator::exit_requested_ = 0; |
13 | 13 |
14 void Terminator::Init() { | 14 void Terminator::Init() { |
15 exit_blocked_ = 0; | 15 exit_blocked_ = 0; |
16 exit_requested_ = 0; | 16 exit_requested_ = 0; |
17 signal(SIGTERM, HandleSignal); | 17 signal(SIGTERM, HandleSignal); |
18 } | 18 } |
19 | 19 |
20 void Terminator::Exit() { | 20 void Terminator::Exit() { |
21 exit(0); | 21 exit(1); |
22 } | 22 } |
23 | 23 |
24 void Terminator::HandleSignal(int signum) { | 24 void Terminator::HandleSignal(int signum) { |
25 if (exit_blocked_ == 0) { | 25 if (exit_blocked_ == 0) { |
26 Exit(); | 26 Exit(); |
27 } | 27 } |
28 exit_requested_ = 1; | 28 exit_requested_ = 1; |
29 } | 29 } |
30 | 30 |
31 ScopedTerminatorExitUnblocker::~ScopedTerminatorExitUnblocker() { | 31 ScopedTerminatorExitUnblocker::~ScopedTerminatorExitUnblocker() { |
32 Terminator::set_exit_blocked(false); | 32 Terminator::set_exit_blocked(false); |
33 if (Terminator::exit_requested()) { | 33 if (Terminator::exit_requested()) { |
34 Terminator::Exit(); | 34 Terminator::Exit(); |
35 } | 35 } |
36 } | 36 } |
37 | 37 |
38 } // namespace chromeos_update_engine | 38 } // namespace chromeos_update_engine |
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