xref: /illumos-gate/usr/src/cmd/make/lib/vroot/execve.cc (revision 10d63b7db37a83b39c7f511cf9426c9d03ea0760)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 1993 Sun Microsystems, Inc. All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 
27 #include <unistd.h>
28 
29 extern int execve (const char *path, char *const argv[], char *const envp[]);
30 
31 #include <vroot/vroot.h>
32 #include <vroot/args.h>
33 
execve_thunk(char * path)34 static int	execve_thunk(char *path)
35 {
36 	execve(path, vroot_args.execve.argv, vroot_args.execve.environ);
37 	switch (errno) {
38 		case ETXTBSY:
39 		case ENOEXEC: return 1;
40 		default: return 0;
41 	}
42 }
43 
execve_vroot(char * path,char ** argv,char ** environ,pathpt vroot_path,pathpt vroot_vroot)44 int	execve_vroot(char *path, char **argv, char **environ, pathpt vroot_path, pathpt vroot_vroot)
45 {
46 	vroot_args.execve.argv= argv;
47 	vroot_args.execve.environ= environ;
48 	translate_with_thunk(path, execve_thunk, vroot_path, vroot_vroot, rw_read);
49 	return(-1);
50 }
51