1 /*
2  * Copyright (C) 2014-2015 Robin Gareus <robin@gareus.org>
3  * Copyright (C) 2014-2015 Tim Mayberry <mojofunk@gmail.com>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 
20 #include <glibmm/miscutils.h>
21 #include "pbd/file_utils.h"
22 #include "pbd/error.h"
23 
24 #include "ardour/filesystem_paths.h"
25 #include "ardour/system_exec.h"
26 
27 namespace ARDOUR {
28 
29 char * SystemExec::_vfork_exec_wrapper = NULL;
30 
vfork_exec_wrapper_path()31 static char *vfork_exec_wrapper_path() {
32 #ifdef PLATFORM_WINDOWS
33 	return NULL;
34 #else
35 	std::string vfork_exec_wrapper;
36 	if (!PBD::find_file (
37 				PBD::Searchpath(
38 					ARDOUR::ardour_dll_directory() // deployed
39 					+ G_SEARCHPATH_SEPARATOR_S + Glib::build_filename(ARDOUR::ardour_dll_directory(), "vfork") // src, build (ardev, etc)
40 					),
41 				"ardour-exec-wrapper", vfork_exec_wrapper)) {
42 		PBD::fatal << "vfork exec wrapper 'ardour-exec-wrapper' was not found in $PATH." << endmsg;
43 		abort(); /*NOTREACHED*/
44 	}
45 	return strdup(vfork_exec_wrapper.c_str());
46 #endif
47 }
48 
SystemExec(std::string c,char ** a)49 SystemExec::SystemExec (std::string c, char ** a)
50 	: PBD::SystemExec(c, a)
51 {
52 #ifndef PLATFORM_WINDOWS
53 	if (!_vfork_exec_wrapper) {
54 		_vfork_exec_wrapper = vfork_exec_wrapper_path();
55 	}
56 #endif
57 }
58 
SystemExec(std::string c,std::string a)59 SystemExec::SystemExec (std::string c, std::string a)
60 	: PBD::SystemExec(c, a)
61 {
62 #ifndef PLATFORM_WINDOWS
63 	if (!_vfork_exec_wrapper) {
64 		_vfork_exec_wrapper = vfork_exec_wrapper_path();
65 	}
66 #endif
67 }
68 
SystemExec(std::string c,const std::map<char,std::string> subs)69 SystemExec::SystemExec (std::string c, const std::map<char, std::string> subs)
70 	: PBD::SystemExec(c, subs)
71 {
72 #ifndef PLATFORM_WINDOWS
73 	if (!_vfork_exec_wrapper) {
74 		_vfork_exec_wrapper = vfork_exec_wrapper_path();
75 	}
76 #endif
77 }
78 
~SystemExec()79 SystemExec::~SystemExec() { }
80 
81 } // namespace ARDOUR
82