1 /***********************************************************************
2 * *
3 * This software is part of the ast package *
4 * Copyright (c) 1982-2012 AT&T Intellectual Property *
5 * and is licensed under the *
6 * Eclipse Public License, Version 1.0 *
7 * by AT&T Intellectual Property *
8 * *
9 * A copy of the License is available at *
10 * http://www.eclipse.org/org/documents/epl-v10.html *
11 * (with md5 checksum b35adb5213ca9657e911e9befb180842) *
12 * *
13 * Information and Software Systems Research *
14 * AT&T Research *
15 * Florham Park NJ *
16 * *
17 * David Korn <dgkorn@gmail.com> *
18 * *
19 ***********************************************************************/
20 #include "config_ast.h" // IWYU pragma: keep
21
22 #include <stdlib.h>
23
24 #include "builtins.h"
25 #include "defs.h"
26 #include "error.h"
27 #include "jobs.h"
28 #include "optget_long.h"
29 #include "sfio.h"
30 #include "shcmd.h"
31
32 #ifdef JOBS
33 static const char *short_options = "";
34 static const struct optget_option long_options[] = {
35 {"help", optget_no_arg, NULL, 1}, // all builtins support --help
36 {NULL, 0, NULL, 0}};
37
38 //
39 // Builtin `disown` command.
40 //
b_disown(int argc,char * argv[],Shbltin_t * context)41 int b_disown(int argc, char *argv[], Shbltin_t *context) {
42 int opt;
43 Shell_t *shp = context->shp;
44 char *cmd = argv[0];
45
46 optget_ind = 0;
47 while ((opt = optget_long(argc, argv, short_options, long_options)) != -1) {
48 switch (opt) {
49 case 1: {
50 builtin_print_help(shp, cmd);
51 return 0;
52 }
53 case ':': {
54 builtin_missing_argument(shp, cmd, argv[optget_ind - 1]);
55 return 2;
56 }
57 case '?': {
58 builtin_unknown_option(shp, cmd, argv[optget_ind - 1]);
59 return 2;
60 }
61 default: { abort(); }
62 }
63 }
64
65 argv += optget_ind;
66 if (!sh_isoption(shp, SH_MONITOR) || !job.jobcontrol) {
67 if (sh_isstate(shp, SH_INTERACTIVE)) {
68 errormsg(SH_DICT, ERROR_exit(1), e_no_jctl);
69 __builtin_unreachable();
70 }
71 return 1;
72 }
73 if (*argv == 0) argv = NULL;
74 if (job_walk(shp, sfstdout, job_switch, 'd', argv)) {
75 errormsg(SH_DICT, ERROR_exit(1), e_no_job);
76 __builtin_unreachable();
77 }
78 return shp->exitval;
79 }
80 #endif // JOBS
81