1*10d63b7dSRichard Lowe /*
2*10d63b7dSRichard Lowe * CDDL HEADER START
3*10d63b7dSRichard Lowe *
4*10d63b7dSRichard Lowe * The contents of this file are subject to the terms of the
5*10d63b7dSRichard Lowe * Common Development and Distribution License (the "License").
6*10d63b7dSRichard Lowe * You may not use this file except in compliance with the License.
7*10d63b7dSRichard Lowe *
8*10d63b7dSRichard Lowe * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*10d63b7dSRichard Lowe * or http://www.opensolaris.org/os/licensing.
10*10d63b7dSRichard Lowe * See the License for the specific language governing permissions
11*10d63b7dSRichard Lowe * and limitations under the License.
12*10d63b7dSRichard Lowe *
13*10d63b7dSRichard Lowe * When distributing Covered Code, include this CDDL HEADER in each
14*10d63b7dSRichard Lowe * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*10d63b7dSRichard Lowe * If applicable, add the following below this CDDL HEADER, with the
16*10d63b7dSRichard Lowe * fields enclosed by brackets "[]" replaced with your own identifying
17*10d63b7dSRichard Lowe * information: Portions Copyright [yyyy] [name of copyright owner]
18*10d63b7dSRichard Lowe *
19*10d63b7dSRichard Lowe * CDDL HEADER END
20*10d63b7dSRichard Lowe */
21*10d63b7dSRichard Lowe /*
22*10d63b7dSRichard Lowe * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
23*10d63b7dSRichard Lowe * Use is subject to license terms.
24*10d63b7dSRichard Lowe */
25*10d63b7dSRichard Lowe
26*10d63b7dSRichard Lowe
27*10d63b7dSRichard Lowe /*
28*10d63b7dSRichard Lowe * mksh.cc
29*10d63b7dSRichard Lowe *
30*10d63b7dSRichard Lowe * Execute the command(s) of one Make or DMake rule
31*10d63b7dSRichard Lowe */
32*10d63b7dSRichard Lowe
33*10d63b7dSRichard Lowe /*
34*10d63b7dSRichard Lowe * Included files
35*10d63b7dSRichard Lowe */
36*10d63b7dSRichard Lowe #include <mksh/dosys.h> /* redirect_io() */
37*10d63b7dSRichard Lowe #include <mksh/misc.h> /* retmem() */
38*10d63b7dSRichard Lowe #include <mksh/mksh.h>
39*10d63b7dSRichard Lowe #include <errno.h>
40*10d63b7dSRichard Lowe #include <signal.h>
41*10d63b7dSRichard Lowe
42*10d63b7dSRichard Lowe
43*10d63b7dSRichard Lowe /*
44*10d63b7dSRichard Lowe * Workaround for NFS bug. Sometimes, when running 'chdir' on a remote
45*10d63b7dSRichard Lowe * dmake server, it fails with "Stale NFS file handle" error.
46*10d63b7dSRichard Lowe * The second attempt seems to work.
47*10d63b7dSRichard Lowe */
48*10d63b7dSRichard Lowe int
my_chdir(char * dir)49*10d63b7dSRichard Lowe my_chdir(char * dir) {
50*10d63b7dSRichard Lowe int res = chdir(dir);
51*10d63b7dSRichard Lowe if (res != 0 && (errno == ESTALE || errno == EAGAIN)) {
52*10d63b7dSRichard Lowe /* Stale NFS file handle. Try again */
53*10d63b7dSRichard Lowe res = chdir(dir);
54*10d63b7dSRichard Lowe }
55*10d63b7dSRichard Lowe return res;
56*10d63b7dSRichard Lowe }
57*10d63b7dSRichard Lowe
58*10d63b7dSRichard Lowe
59*10d63b7dSRichard Lowe /*
60*10d63b7dSRichard Lowe * File table of contents
61*10d63b7dSRichard Lowe */
62*10d63b7dSRichard Lowe static void change_sunpro_dependencies_value(char *oldpath, char *newpath);
63*10d63b7dSRichard Lowe static void init_mksh_globals(char *shell);
64*10d63b7dSRichard Lowe static void set_env_vars(char *env_list[]);
65*10d63b7dSRichard Lowe
66*10d63b7dSRichard Lowe
67*10d63b7dSRichard Lowe static void
set_env_vars(char * env_list[])68*10d63b7dSRichard Lowe set_env_vars(char *env_list[])
69*10d63b7dSRichard Lowe {
70*10d63b7dSRichard Lowe char **env_list_p;
71*10d63b7dSRichard Lowe
72*10d63b7dSRichard Lowe for (env_list_p = env_list;
73*10d63b7dSRichard Lowe *env_list_p != (char *) NULL;
74*10d63b7dSRichard Lowe env_list_p++) {
75*10d63b7dSRichard Lowe putenv(*env_list_p);
76*10d63b7dSRichard Lowe }
77*10d63b7dSRichard Lowe }
78*10d63b7dSRichard Lowe
79*10d63b7dSRichard Lowe static void
init_mksh_globals(char * shell)80*10d63b7dSRichard Lowe init_mksh_globals(char *shell)
81*10d63b7dSRichard Lowe {
82*10d63b7dSRichard Lowe /*
83*10d63b7dSRichard Lowe MBSTOWCS(wcs_buffer, "SHELL");
84*10d63b7dSRichard Lowe shell_name = GETNAME(wcs_buffer, FIND_LENGTH);
85*10d63b7dSRichard Lowe MBSTOWCS(wcs_buffer, shell);
86*10d63b7dSRichard Lowe (void) SETVAR(shell_name, GETNAME(wcs_buffer, FIND_LENGTH), false);
87*10d63b7dSRichard Lowe */
88*10d63b7dSRichard Lowe char * dmake_shell;
89*10d63b7dSRichard Lowe if ((dmake_shell = getenv("DMAKE_SHELL")) == NULL) {
90*10d63b7dSRichard Lowe dmake_shell = shell;
91*10d63b7dSRichard Lowe }
92*10d63b7dSRichard Lowe MBSTOWCS(wcs_buffer, dmake_shell);
93*10d63b7dSRichard Lowe shell_name = GETNAME(wcs_buffer, FIND_LENGTH);
94*10d63b7dSRichard Lowe }
95*10d63b7dSRichard Lowe
96*10d63b7dSRichard Lowe /*
97*10d63b7dSRichard Lowe * Change the pathname in the value of the SUNPRO_DEPENDENCIES env variable
98*10d63b7dSRichard Lowe * from oldpath to newpath.
99*10d63b7dSRichard Lowe */
100*10d63b7dSRichard Lowe static void
change_sunpro_dependencies_value(char * oldpath,char * newpath)101*10d63b7dSRichard Lowe change_sunpro_dependencies_value(char *oldpath, char *newpath)
102*10d63b7dSRichard Lowe {
103*10d63b7dSRichard Lowe char buf[MAXPATHLEN];
104*10d63b7dSRichard Lowe static char *env;
105*10d63b7dSRichard Lowe int length;
106*10d63b7dSRichard Lowe int oldpathlen;
107*10d63b7dSRichard Lowe char *sp_dep_value;
108*10d63b7dSRichard Lowe
109*10d63b7dSRichard Lowe /* check if SUNPRO_DEPENDENCIES is set in the environment */
110*10d63b7dSRichard Lowe if ((sp_dep_value = getenv("SUNPRO_DEPENDENCIES")) != NULL) {
111*10d63b7dSRichard Lowe oldpathlen = strlen(oldpath);
112*10d63b7dSRichard Lowe /* check if oldpath is indeed in the value of SUNPRO_DEPENDENCIES */
113*10d63b7dSRichard Lowe if (strncmp(oldpath, sp_dep_value, oldpathlen) == 0) {
114*10d63b7dSRichard Lowe (void) sprintf(buf,
115*10d63b7dSRichard Lowe "%s%s",
116*10d63b7dSRichard Lowe newpath,
117*10d63b7dSRichard Lowe sp_dep_value + oldpathlen);
118*10d63b7dSRichard Lowe length = 2 +
119*10d63b7dSRichard Lowe strlen("SUNPRO_DEPENDENCIES") +
120*10d63b7dSRichard Lowe strlen(buf);
121*10d63b7dSRichard Lowe env = getmem(length);
122*10d63b7dSRichard Lowe (void) sprintf(env,
123*10d63b7dSRichard Lowe "%s=%s",
124*10d63b7dSRichard Lowe "SUNPRO_DEPENDENCIES",
125*10d63b7dSRichard Lowe buf);
126*10d63b7dSRichard Lowe (void) putenv(env);
127*10d63b7dSRichard Lowe }
128*10d63b7dSRichard Lowe }
129*10d63b7dSRichard Lowe }
130*10d63b7dSRichard Lowe
131*10d63b7dSRichard Lowe
132