/usr/include/libcalamares/utils/CalamaresUtilsSystem.h is in calamares 3.1.12-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 | /* === This file is part of Calamares - <http://github.com/calamares> ===
*
* Copyright 2014, Teo Mrnjavac <teo@kde.org>
*
* Calamares is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Calamares is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Calamares. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef CALAMARESUTILSSYSTEM_H
#define CALAMARESUTILSSYSTEM_H
#include "DllMacro.h"
#include <QObject>
#include <QString>
namespace CalamaresUtils
{
/**
* @brief The System class is a singleton with utility functions that perform
* system-specific operations.
*/
class DLLEXPORT System : public QObject
{
Q_OBJECT
public:
/**
* @brief System the constructor. Only call this once in a Calamares instance.
* @param doChroot set to true if all external commands should run in the
* target system chroot, otherwise false to run everything on the current system.
* @param parent the QObject parent.
*/
explicit System( bool doChroot, QObject* parent = nullptr );
virtual ~System();
static System* instance();
/**
* Runs the mount utility with the specified parameters.
* @param devicePath the path of the partition to mount.
* @param mountPoint the full path of the target mount point.
* @param filesystemName the name of the filesystem (optional).
* @param options any additional options as passed to mount -o (optional).
* @returns the program's exit code, or:
* -1 = QProcess crash
* -2 = QProcess cannot start
* -3 = bad arguments
*/
DLLEXPORT int mount( const QString& devicePath,
const QString& mountPoint,
const QString& filesystemName = QString(),
const QString& options = QString() );
/**
* Runs the specified command in the chroot of the target system.
* @param args the call with arguments, as a string list.
* @param workingPath the current working directory for the QProcess
* call (optional).
* @param stdInput the input string to send to the running process as
* standard input (optional).
* @param timeoutSec the timeout after which the process will be
* killed (optional, default is 0 i.e. no timeout).
* @returns the program's exit code, or:
* -1 = QProcess crash
* -2 = QProcess cannot start
* -3 = bad arguments
* -4 = QProcess timeout
*/
DLLEXPORT int targetEnvCall( const QStringList& args,
const QString& workingPath = QString(),
const QString& stdInput = QString(),
int timeoutSec = 0 );
DLLEXPORT int targetEnvCall( const QString& command,
const QString& workingPath = QString(),
const QString& stdInput = QString(),
int timeoutSec = 0 );
DLLEXPORT int targetEnvOutput( const QStringList& args,
QString& output,
const QString& workingPath = QString(),
const QString& stdInput = QString(),
int timeoutSec = 0 );
DLLEXPORT int targetEnvOutput( const QString& command,
QString& output,
const QString& workingPath = QString(),
const QString& stdInput = QString(),
int timeoutSec = 0 );
/**
* @brief getTotalMemoryB returns the total main memory, in bytes.
*
* Since it is difficult to get the RAM memory size exactly -- either
* by reading information from the DIMMs, which may fail on virtual hosts
* or from asking the kernel, which doesn't report some memory areas --
* this returns a pair of guessed-size (in bytes) and a "guesstimate factor"
* which says how good the guess is. Generally, assume the *real* memory
* available is size * guesstimate.
*
* If nothing can be found, returns a 0 size and 0 guesstimate.
*
* @return size, guesstimate-factor
*/
DLLEXPORT QPair<quint64, float> getTotalMemoryB();
DLLEXPORT bool doChroot() const;
private:
static System* s_instance;
bool m_doChroot;
};
}
#endif // CALAMARESUTILSSYSTEM_H
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