/usr/include/shevek/process.hh is in libshevek-dev 1.4-1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 | /* process.hh - fork/exec made userfriendly
* Copyright 2005-2008 Bas Wijnen <wijnen@debian.org>
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SHEVEK_PROCESS_HH
#define SHEVEK_PROCESS_HH
#include <string>
#include "refbase.hh"
#include "fd.hh"
namespace shevek
{
/// Create a process, optionally connection its standard in- and output streams to the calling program.
class process : public shevek::refbase
{
public:
/// Create a process from a filename and an argument list.
static Glib::RefPtr <process> create (std::string const &command,
std::list <std::string> &argv,
bool pipe_stdin = true,
bool pipe_stdout = true,
bool pipe_stderr = true);
/// Create a process from a filename, an argument list and an environment.
static Glib::RefPtr <process> create (std::string const &command,
std::list <std::string> &argv,
std::list <std::string> const &envp,
bool pipe_stdin = true,
bool pipe_stdout = true,
bool pipe_stderr = true);
/// Run a string with the shell.
/** Note that the process is forked from the shell, and so does not get killed when the process goes away.
*/
static Glib::RefPtr <process> shell (std::string const &command,
bool pipe_stdin = true,
bool pipe_stdout = true,
bool pipe_stderr = true,
std::string const &sh = "/bin/sh")
{
std::list <std::string> args;
args.push_back (sh);
args.push_back ("-c");
args.push_back (command);
return create (command, args, pipe_stdin, pipe_stdout, pipe_stderr);
}
/// The standard input pipe, if it was requested.
Glib::RefPtr <shevek::fd> in ();
/// The standard output pipe, if it was requested.
Glib::RefPtr <shevek::fd> out ();
/// The standard error pipe, if it was requested.
Glib::RefPtr <shevek::fd> err ();
/// The process ID.
pid_t pid ();
/// The destructor. This kills the process if it was still running.
~process ();
/// Run a process and return its output.
/** A convenience function for running a process and catching its standard output in a string.
* This blocks until the process has exited.
*/
static std::string run (std::string const &command, std::string const &sh);
/// Create a process without arguments.
static Glib::RefPtr <process> create (std::string const &command,
bool pipe_stdin = true,
bool pipe_stdout = true,
bool pipe_stderr = true)
{
std::list <std::string> args;
args.push_back (command);
return create (command, args, pipe_stdin, pipe_stdout, pipe_stderr);
}
/// Create a process with one argument.
static Glib::RefPtr <process> create (std::string const &command,
std::string const &a1,
bool pipe_stdin = true,
bool pipe_stdout = true,
bool pipe_stderr = true)
{
std::list <std::string> args;
args.push_back (command);
args.push_back (a1);
return create (command, args, pipe_stdin, pipe_stdout, pipe_stderr);
}
/// Create a process with two arguments.
static Glib::RefPtr <process> create (std::string const &command,
std::string const &a1,
std::string const &a2,
bool pipe_stdin = true,
bool pipe_stdout = true,
bool pipe_stderr = true)
{
std::list <std::string> args;
args.push_back (command);
args.push_back (a1);
args.push_back (a2);
return create (command, args, pipe_stdin, pipe_stdout, pipe_stderr);
}
/// Create a process with three arguments.
static Glib::RefPtr <process> create (std::string const &command,
std::string const &a1,
std::string const &a2,
std::string const &a3,
bool pipe_stdin = true,
bool pipe_stdout = true,
bool pipe_stderr = true)
{
std::list <std::string> args;
args.push_back (command);
args.push_back (a1);
args.push_back (a2);
args.push_back (a3);
return create (command, args, pipe_stdin, pipe_stdout, pipe_stderr);
}
/// Create a process with four arguments.
static Glib::RefPtr <process> create (std::string const &command,
std::string const &a1,
std::string const &a2,
std::string const &a3,
std::string const &a4,
bool pipe_stdin = true,
bool pipe_stdout = true,
bool pipe_stderr = true)
{
std::list <std::string> args;
args.push_back (command);
args.push_back (a1);
args.push_back (a2);
args.push_back (a3);
args.push_back (a4);
return create (command, args, pipe_stdin, pipe_stdout, pipe_stderr);
}
/// Create a process with five arguments.
static Glib::RefPtr <process> create (std::string const &command,
std::string const &a1,
std::string const &a2,
std::string const &a3,
std::string const &a4,
std::string const &a5,
bool pipe_stdin = true,
bool pipe_stdout = true,
bool pipe_stderr = true)
{
std::list <std::string> args;
args.push_back (command);
args.push_back (a1);
args.push_back (a2);
args.push_back (a3);
args.push_back (a4);
args.push_back (a5);
return create (command, args, pipe_stdin, pipe_stdout, pipe_stderr);
}
/// Create a process with six arguments.
static Glib::RefPtr <process> create (std::string const &command,
std::string const &a1,
std::string const &a2,
std::string const &a3,
std::string const &a4,
std::string const &a5,
std::string const &a6,
bool pipe_stdin = true,
bool pipe_stdout = true,
bool pipe_stderr = true)
{
std::list <std::string> args;
args.push_back (command);
args.push_back (a1);
args.push_back (a2);
args.push_back (a3);
args.push_back (a4);
args.push_back (a5);
args.push_back (a6);
return create (command, args, pipe_stdin, pipe_stdout, pipe_stderr);
}
/// Create a process with seven arguments.
static Glib::RefPtr <process> create (std::string const &command,
std::string const &a1,
std::string const &a2,
std::string const &a3,
std::string const &a4,
std::string const &a5,
std::string const &a6,
std::string const &a7,
bool pipe_stdin = true,
bool pipe_stdout = true,
bool pipe_stderr = true)
{
std::list <std::string> args;
args.push_back (command);
args.push_back (a1);
args.push_back (a2);
args.push_back (a3);
args.push_back (a4);
args.push_back (a5);
args.push_back (a6);
args.push_back (a7);
return create (command, args, pipe_stdin, pipe_stdout, pipe_stderr);
}
/// Create a process with eight arguments.
static Glib::RefPtr <process> create (std::string const &command,
std::string const &a1,
std::string const &a2,
std::string const &a3,
std::string const &a4,
std::string const &a5,
std::string const &a6,
std::string const &a7,
std::string const &a8,
bool pipe_stdin = true,
bool pipe_stdout = true,
bool pipe_stderr = true)
{
std::list <std::string> args;
args.push_back (command);
args.push_back (a1);
args.push_back (a2);
args.push_back (a3);
args.push_back (a4);
args.push_back (a5);
args.push_back (a6);
args.push_back (a7);
args.push_back (a8);
return create (command, args, pipe_stdin, pipe_stdout, pipe_stderr);
}
/// Create a process with nine arguments.
static Glib::RefPtr <process> create (std::string const &command,
std::string const &a1,
std::string const &a2,
std::string const &a3,
std::string const &a4,
std::string const &a5,
std::string const &a6,
std::string const &a7,
std::string const &a8,
std::string const &a9,
bool pipe_stdin = true,
bool pipe_stdout = true,
bool pipe_stderr = true)
{
std::list <std::string> args;
args.push_back (command);
args.push_back (a1);
args.push_back (a2);
args.push_back (a3);
args.push_back (a4);
args.push_back (a5);
args.push_back (a6);
args.push_back (a7);
args.push_back (a8);
args.push_back (a9);
return create (command, args, pipe_stdin, pipe_stdout, pipe_stderr);
}
private:
Glib::RefPtr <shevek::fd> m_in, m_out, m_err;
pid_t m_pid;
process (std::string const &command, char **argv, char **envp, bool pipe_stdin, bool pipe_stdout, bool pipe_stderr);
static char **make_pointers (std::list <std::string> const &source);
static void clean (char **pointers);
static char *dup (char const *str);
};
}
#endif
|