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 * dosys.cc
28 *
29 * Execute one commandline
30 */
31
32 /*
33 * Included files
34 */
35 #include <fcntl.h> /* open() */
36 #include <mk/defs.h>
37 #include <mksh/dosys.h> /* doshell(), doexec() */
38 #include <mksh/misc.h> /* getmem() */
39 #include <sys/stat.h> /* open() */
40 #include <unistd.h> /* getpid() */
41
42 /*
43 * Defined macros
44 */
45
46 /*
47 * typedefs & structs
48 */
49
50 /*
51 * Static variables
52 */
53 static int filter_file;
54 static char *filter_file_name;
55
56 /*
57 * File table of contents
58 */
59 static void redirect_stderr(void);
60
61 /*
62 * dosys(command, ignore_error, call_make, silent_error, target)
63 *
64 * Check if command string contains meta chars and dispatch to
65 * the proper routine for executing one command line.
66 *
67 * Return value:
68 * Indicates if the command execution failed
69 *
70 * Parameters:
71 * command The command to run
72 * ignore_error Should make abort when an error is seen?
73 * call_make Did command reference $(MAKE) ?
74 * silent_error Should error messages be suppressed for pmake?
75 * target Target we are building
76 *
77 * Global variables used:
78 * do_not_exec_rule Is -n on?
79 * working_on_targets We started processing real targets
80 */
81 Doname
82 dosys(register Name command, register Boolean ignore_error, register Boolean call_make, Boolean silent_error, Boolean always_exec, Name target)
83 {
84 timestruc_t before;
85 register int length = command->hash.length;
86 Wstring wcb(command);
87 register wchar_t *p = wcb.get_string();
88 register wchar_t *q;
89 Doname result;
90
91 /* Strip spaces from head of command string */
92 while (iswspace(*p)) {
93 p++, length--;
94 }
95 if (*p == (int) nul_char) {
96 return build_failed;
97 }
98 /* If we are faking it we just return */
99 if (do_not_exec_rule &&
100 working_on_targets &&
101 !call_make &&
102 !always_exec) {
103 return build_ok;
104 }
105 /* no_action_was_taken is used to print special message */
106 no_action_was_taken = false;
107
108 /* Copy string to make it OK to write it. */
109 q = ALLOC_WC(length + 1);
110 (void) wscpy(q, p);
111 /* Write the state file iff this command uses make. */
112 if (call_make && command_changed) {
113 write_state_file(0, false);
114 }
115 make_state->stat.time = file_no_time;
116 (void)exists(make_state);
117 before = make_state->stat.time;
118 /*
119 * Run command directly if it contains no shell meta chars,
120 * else run it using the shell.
121 */
122 if (await(ignore_error,
123 silent_error,
124 target,
125 wcb.get_string(),
126 command->meta ?
127 doshell(q, ignore_error,
128 stdout_file, stderr_file, 0) :
129 doexec(q, ignore_error,
130 stdout_file, stderr_file,
131 vroot_path, 0),
132 NULL,
133 -1
134 )) {
135 result = build_ok;
136 } else {
137 result = build_failed;
138 }
139 retmem(q);
140
141 if ((report_dependencies_level == 0) &&
142 call_make) {
143 make_state->stat.time = file_no_time;
144 (void)exists(make_state);
145 if (before == make_state->stat.time) {
146 return result;
147 }
148 makefile_type = reading_statefile;
149 if (read_trace_level > 1) {
150 trace_reader = true;
151 }
152 temp_file_number++;
153 (void) read_simple_file(make_state,
154 false,
155 false,
156 false,
157 false,
158 false,
159 true);
160 trace_reader = false;
161 }
162 return result;
163 }