process-cpp: /build/process-cpp/src/process-cpp-3.0.1/src/core/posix/signalable.cpp Source File

process-cpp 3.0.0 A simple convenience library for handling processes in C++11.

signalable.cpp
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1 /*
2 * Copyright © 2013 Canonical Ltd.
3 *
4 * This program is free software: you can redistribute it and/or modify it
5 * under the terms of the GNU Lesser General Public License version 3,
6 * as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 *
16 * Authored by: Thomas Voß <thomas.voss@canonical.com>
17 */
18
19 #include <core/posix/signalable.h>
20
21 namespace core
22 {
23 namespace posix
24 {
25 struct Signalable::Private
26 {
27 pid_t pid;
28 };
29
30 Signalable::Signalable(pid_t pid) : d(new Private{pid})
31 {
32 }
33
34 void Signalable::send_signal_or_throw(Signal signal)
35 {
36 auto result = ::kill(d->pid, static_cast<int>(signal));
37
38 if (result == -1)
39 throw std::system_error(errno, std::system_category());
40 }
41
42 void Signalable::send_signal(Signal signal, std::error_code& e) noexcept
43 {
44 auto result = ::kill(d->pid, static_cast<int>(signal));
45
46 if (result == -1)
47 {
48 e = std::error_code(errno, std::system_category());
49 }
50 }
51 }
52 }
core::posix::Signalable::Private
Definition: signalable.cpp:26
core::posix::Signalable::Signalable
CORE_POSIX_DLL_LOCAL Signalable(pid_t pid)
Definition: signalable.cpp:30
core::posix::Signal
Signal
The Signal enum collects the most common POSIX signals.
Definition: signal.h:39
core
Definition: child_process.h:32
core::posix::Signalable::Private::pid
pid_t pid
Definition: signalable.cpp:27
core::posix::Signalable::send_signal_or_throw
virtual void send_signal_or_throw(Signal signal)
Sends a signal to this signalable object.
Definition: signalable.cpp:34
signalable.h
core::posix::Signalable::send_signal
virtual void send_signal(Signal signal, std::error_code &e) noexcept(true)
Sends a signal to this signalable object.
Definition: signalable.cpp:42