| // Copyright (C) 2010 David Sugar, Tycho Softworks. |
| // |
| // This file is part of GNU uCommon C++. |
| // |
| // GNU uCommon C++ is free software: you can redistribute it and/or modify |
| // it under the terms of the GNU Lesser General Public License as published |
| // by the Free Software Foundation, either version 3 of the License, or |
| // (at your option) any later version. |
| // |
| // GNU uCommon C++ 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 Lesser General Public License for more details. |
| // |
| // You should have received a copy of the GNU Lesser General Public License |
| // along with GNU uCommon C++. If not, see <http://www.gnu.org/licenses/>. |
| |
| #include <ucommon/ucommon.h> |
| |
| using namespace UCOMMON_NAMESPACE; |
| |
| static shell::flagopt helpflag('h',"--help", _TEXT("display this list")); |
| static shell::flagopt althelp('?', NULL, NULL); |
| static shell::stringopt error('e', "--error", _TEXT("stderr path to use"), "filename"); |
| static shell::stringopt input('i', "--input", _TEXT("stdin path to use"), "filename"); |
| static shell::stringopt output('o', "--output", _TEXT("stdout path to use"), "filename"); |
| |
| PROGRAM_MAIN(argc, argv) |
| { |
| fd_t stdio[3] = {INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE, INVALID_HANDLE_VALUE}; |
| const char *argv0; |
| |
| shell::bind("pdetach"); |
| shell args(argc, argv); |
| |
| if(is(helpflag) || is(althelp)) { |
| printf("%s\n", _TEXT("Usage: pdetach [stdio options] command [arguments...]")); |
| printf("%s\n\n", _TEXT("Create detached process")); |
| printf("%s\n", _TEXT("Options:")); |
| shell::help(); |
| printf("\n%s\n", _TEXT("Report bugs to dyfet@gnu.org")); |
| PROGRAM_EXIT(0); |
| } |
| |
| if(!args()) |
| shell::errexit(10, "*** pdetach %s", _TEXT("no command specified")); |
| |
| argv = args.argv(); |
| argv0 = *argv; |
| |
| if(is(input)) { |
| stdio[0] = fsys::input(*input); |
| if(stdio[0] == INVALID_HANDLE_VALUE) |
| shell::errexit(1, "*** pdetach: %s: %s", |
| _TEXT("cannot access"), *input); |
| } |
| |
| if(is(output)) { |
| stdio[1] = fsys::output(*output); |
| if(stdio[1] == INVALID_HANDLE_VALUE) |
| shell::errexit(2, "*** pdetach: %s: %s", |
| _TEXT("cannot access"), *output); |
| } |
| |
| if(is(error)) { |
| stdio[2] = fsys::output(*error); |
| if(stdio[2] == INVALID_HANDLE_VALUE) |
| shell::errexit(3, "*** pdetach: %s: %s", |
| _TEXT("cannot access"), *error); |
| } |
| |
| if(shell::detach(argv0, argv, NULL, stdio)) |
| shell::errexit(-1, "*** pdetach: %s: %s", |
| argv0, _TEXT("failed to execute")); |
| |
| PROGRAM_EXIT(0); |
| } |
| |