annotate rvinterf/asyncshell/main.c @ 65:21a79f465d6a

fc-tmsh: use the newly adopted exit code convention
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 26 Oct 2016 22:46:23 +0000
parents d43d82cbfb85
children 84920d3d97c6
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1 /*
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2 * This module contains the main() function for fc-shell.
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3 */
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4
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5 #include <sys/types.h>
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6 #include <sys/errno.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <unistd.h>
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10 #include "exitcodes.h"
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11
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12 char *socket_pathname = "/tmp/rvinterf_socket";
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13 char *rvinterf_ttyport;
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14 int ttyhacks, dflag;
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15
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16 int sock;
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17
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18 extern char *rvinterf_Bopt, *rvinterf_lopt, *rvinterf_wopt;
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19
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20 main(argc, argv)
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21 char **argv;
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22 {
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23 extern int optind;
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24 extern char *optarg;
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25 int c, sopt = 0;
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26 fd_set fds;
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27
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28 while ((c = getopt(argc, argv, "B:dl:p:s:w:")) != EOF)
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29 switch (c) {
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30 case 'B':
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31 rvinterf_Bopt = optarg;
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32 continue;
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33 case 'd':
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34 dflag++;
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35 continue;
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36 case 'l':
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37 rvinterf_lopt = optarg;
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38 continue;
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39 case 'p':
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40 rvinterf_ttyport = optarg;
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41 continue;
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42 case 's':
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43 socket_pathname = optarg;
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44 sopt++;
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45 continue;
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46 case 'w':
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47 rvinterf_wopt = optarg;
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48 continue;
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49 case '?':
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50 default:
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51 usage: fprintf(stderr,
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52 "usage: %s [options] [command]\n", argv[0]);
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53 exit(ERROR_USAGE);
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54 }
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55 if (rvinterf_ttyport) {
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56 if (sopt) {
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57 fprintf(stderr,
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58 "%s error: -p and -s options are mutually exclusive\n",
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59 argv[0]);
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60 exit(ERROR_USAGE);
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61 }
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62 launch_rvinterf(rvinterf_ttyport);
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63 } else {
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64 if (rvinterf_Bopt || rvinterf_lopt || rvinterf_wopt) {
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65 fprintf(stderr,
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66 "%s error: -B, -l and -w options are meaningful only when launching rvinterf\n",
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67 argv[0]);
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68 exit(ERROR_USAGE);
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69 }
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70 connect_local_socket();
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71 }
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72
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73 if (argv[optind])
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74 return oneshot_command(argc - optind, argv + optind);
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75
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76 ttyhacks = isatty(0) && !dflag;
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77 init();
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78 tty_init();
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79 for (;;) {
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80 FD_ZERO(&fds);
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81 FD_SET(0, &fds);
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82 FD_SET(sock, &fds);
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83 c = select(sock+1, &fds, 0, 0, 0);
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84 if (c < 0) {
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85 if (errno == EINTR)
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86 continue;
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87 tty_cleanup();
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88 perror("select");
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89 exit(ERROR_UNIX);
0
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90 }
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91 if (FD_ISSET(0, &fds))
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92 handle_tty_input();
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93 if (FD_ISSET(sock, &fds))
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94 handle_rvinterf_input();
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95 fflush(stdout);
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96 }
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97 }