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 2004 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26
27 /*
28 * mksh.cc
29 *
30 * Execute the command(s) of one Make or DMake rule
31 */
32
33 /*
34 * Included files
35 */
36 #include <mksh/dosys.h> /* redirect_io() */
37 #include <mksh/misc.h> /* retmem() */
38 #include <mksh/mksh.h>
39 #include <mksdmsi18n/mksdmsi18n.h>
40 #include <errno.h>
41 #include <signal.h>
42
43
44 /*
45 * Workaround for NFS bug. Sometimes, when running 'chdir' on a remote
46 * dmake server, it fails with "Stale NFS file handle" error.
47 * The second attempt seems to work.
48 */
49 int
50 my_chdir(char * dir) {
51 int res = chdir(dir);
52 if (res != 0 && (errno == ESTALE || errno == EAGAIN)) {
53 /* Stale NFS file handle. Try again */
54 res = chdir(dir);
55 }
56 return res;
57 }
58
59
60 /*
61 * File table of contents
62 */
63 static void change_sunpro_dependencies_value(char *oldpath, char *newpath);
64 static void init_mksh_globals(char *shell);
65 static void set_env_vars(char *env_list[]);
66
67 #if defined(DISTRIBUTED) || defined(MAKETOOL) /* tolik */
68 /*
69 * Execute the command(s) of one Make or DMake rule
70 */
71 int
72 do_job(Avo_DmakeCommand *cmd_list[], char *env_list[], char *stdout_file, char *stderr_file, char *cwd, char *cnwd, int ignore, int silent, pathpt vroot_path, char *shell, int nice_prio)
73 {
74 Boolean always_exec_flag;
75 char *cmd;
76 Avo_DmakeCommand **cmd_list_p;
77 Name command;
78 Boolean do_not_exec_flag;
79 Boolean ignore_flag;
80 int length;
81 Boolean make_refd_flag;
82 Boolean meta_flag;
83 char pathname[MAXPATHLEN];
84 Doname result;
85 Boolean silent_flag;
86 wchar_t *tmp_wcs_buffer;
87
88 if ((childPid = fork()) < 0) { /* error */
89 ;
90 } else if (childPid > 0) { /* parent */
91 ;
92 } else { /* child, mksh */
93 (void) sigset(SIGCHLD, SIG_DFL);
94 enable_interrupt(handle_interrupt_mksh);
95 /* set environment variables */
96 set_env_vars(env_list);
97 /* redirect stdout and stderr to temp files */
98 dup2(1, 2); // Because fatal_mksh() prints error messages into
99 // stderr but dmake uses stderr for XDR communications
100 // and stdout for errors messages.
101 redirect_io(stdout_file, stderr_file);
102 /* try cd'ing to cwd */
103 if (my_chdir(cwd) != 0) {
104 /* try the netpath machine:pathname */
105 if (!avo_netpath_to_path(cnwd, pathname)) {
106 fatal_mksh(catgets(libmksdmsi18n_catd, 1, 137, "`cd %s' failed, and conversion of %s to automounter pathname also failed: %s"), cwd, cnwd, strerror(errno));
107 } else if (my_chdir(pathname) != 0) {
108 fatal_mksh(catgets(libmksdmsi18n_catd, 1, 138, "`cd %s' and `cd %s' both failed: %s"), cwd, pathname, strerror(errno));
109 }
110 /*
111 * change the value of SUNPRO_DEPENDENCIES
112 * to the new path.
113 */
114 change_sunpro_dependencies_value(cwd, pathname);
115 }
116 init_mksh_globals(shell);
117 for (cmd_list_p = cmd_list;
118 *cmd_list_p != (Avo_DmakeCommand *) NULL;
119 cmd_list_p++) {
120 if ((*cmd_list_p)->ignore()) {
121 ignore_flag = true;
122 } else {
123 ignore_flag = false;
124 }
125 if ((*cmd_list_p)->silent()) {
126 silent_flag = true;
127 } else {
128 silent_flag = false;
129 }
130 /*
131 if ((*cmd_list_p)->always_exec()) {
132 always_exec_flag = true;
133 } else {
134 always_exec_flag = false;
135 }
136 */
137 always_exec_flag = false;
138 if ((*cmd_list_p)->meta()) {
139 meta_flag = true;
140 } else {
141 meta_flag = false;
142 }
143 if ((*cmd_list_p)->make_refd()) {
144 make_refd_flag = true;
145 } else {
146 make_refd_flag = false;
147 }
148 if ((*cmd_list_p)->do_not_exec()) {
149 do_not_exec_flag = true;
150 } else {
151 do_not_exec_flag = false;
152 }
153 do_not_exec_rule = do_not_exec_flag;
154 cmd = (*cmd_list_p)->getCmd();
155 if ((length = strlen(cmd)) >= MAXPATHLEN) {
156 tmp_wcs_buffer = ALLOC_WC(length + 1);
157 (void) mbstowcs(tmp_wcs_buffer, cmd, length + 1);
158 command = GETNAME(tmp_wcs_buffer, FIND_LENGTH);
159 retmem(tmp_wcs_buffer);
160 } else {
161 MBSTOWCS(wcs_buffer, cmd);
162 command = GETNAME(wcs_buffer, FIND_LENGTH);
163 }
164 if ((command->hash.length > 0) &&
165 (!silent_flag || do_not_exec_flag)) {
166 (void) printf("%s\n", command->string_mb);
167 }
168 result = dosys_mksh(command,
169 ignore_flag,
170 make_refd_flag,
171 false, /* bugs #4085164 & #4990057 */
172 /* BOOLEAN(silent_flag && ignore_flag), */
173 always_exec_flag,
174 (Name) NULL,
175 false,
176 NULL,
177 NULL,
178 vroot_path,
179 nice_prio);
180 if (result == build_failed) {
181
182 #ifdef PRINT_EXIT_STATUS
183 warning_mksh(NOCATGETS("I'm in do_job(), and dosys_mksh() returned result of build_failed."));
184 #endif
185
186 if (silent_flag) {
187 (void) printf(catgets(libmksdmsi18n_catd, 1, 139, "The following command caused the error:\n%s\n"),
188 command->string_mb);
189 }
190 if (!ignore_flag && !ignore) {
191
192 #ifdef PRINT_EXIT_STATUS
193 warning_mksh(NOCATGETS("I'm in do_job(), and dosys_mksh() returned result of build_failed, exiting 1."));
194 #endif
195
196 exit(1);
197 }
198 }
199 }
200
201 #ifdef PRINT_EXIT_STATUS
202 warning_mksh(NOCATGETS("I'm in do_job(), exiting 0."));
203 #endif
204
205 exit(0);
206 }
207 return childPid;
208 }
209 #endif /* TEAMWARE_MAKE_CMN */
210
211 static void
212 set_env_vars(char *env_list[])
213 {
214 char **env_list_p;
215
216 for (env_list_p = env_list;
217 *env_list_p != (char *) NULL;
218 env_list_p++) {
219 putenv(*env_list_p);
220 }
221 }
222
223 static void
224 init_mksh_globals(char *shell)
225 {
226 /*
227 MBSTOWCS(wcs_buffer, NOCATGETS("SHELL"));
228 shell_name = GETNAME(wcs_buffer, FIND_LENGTH);
229 MBSTOWCS(wcs_buffer, shell);
230 (void) SETVAR(shell_name, GETNAME(wcs_buffer, FIND_LENGTH), false);
231 */
232 char * dmake_shell;
233 if ((dmake_shell = getenv(NOCATGETS("DMAKE_SHELL"))) == NULL) {
234 dmake_shell = shell;
235 }
236 MBSTOWCS(wcs_buffer, dmake_shell);
237 shell_name = GETNAME(wcs_buffer, FIND_LENGTH);
238 }
239
240 /*
241 * Change the pathname in the value of the SUNPRO_DEPENDENCIES env variable
242 * from oldpath to newpath.
243 */
244 static void
245 change_sunpro_dependencies_value(char *oldpath, char *newpath)
246 {
247 char buf[MAXPATHLEN];
248 static char *env;
249 int length;
250 int oldpathlen;
251 char *sp_dep_value;
252
253 /* check if SUNPRO_DEPENDENCIES is set in the environment */
254 if ((sp_dep_value = getenv(NOCATGETS("SUNPRO_DEPENDENCIES"))) != NULL) {
255 oldpathlen = strlen(oldpath);
256 /* check if oldpath is indeed in the value of SUNPRO_DEPENDENCIES */
257 if (strncmp(oldpath, sp_dep_value, oldpathlen) == 0) {
258 (void) sprintf(buf,
259 "%s%s",
260 newpath,
261 sp_dep_value + oldpathlen);
262 length = 2 +
263 strlen(NOCATGETS("SUNPRO_DEPENDENCIES")) +
264 strlen(buf);
265 env = getmem(length);
266 (void) sprintf(env,
267 "%s=%s",
268 NOCATGETS("SUNPRO_DEPENDENCIES"),
269 buf);
270 (void) putenv(env);
271 }
272 }
273 }
274
275