usr/src/cmd/make/lib/vroot/execve.cc

   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
  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
  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 }