process-cpp  3.0.0
A simple convenience library for handling processes in C++11.
signalable.cpp
Go to the documentation of this file.
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 {
26 {
27  pid_t pid;
28 };
29 
30 Signalable::Signalable(pid_t pid) : d(new Private{pid})
31 {
32 }
33 
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_DLL_LOCAL Signalable(pid_t pid)
Definition: signalable.cpp:30
virtual void send_signal(Signal signal, std::error_code &e) noexcept(true)
Sends a signal to this signalable object.
Definition: signalable.cpp:42
Signal
The Signal enum collects the most common POSIX signals.
Definition: signal.h:38
virtual void send_signal_or_throw(Signal signal)
Sends a signal to this signalable object.
Definition: signalable.cpp:34