FreeCalypso > hg > freecalypso-tools

annotate rvinterf/asyncshell/main.c @ 57:7cc2f2360922

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top Makefile install rule: new packaging approach
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 26 Oct 2016 07:46:31 +0000
parents e7502631a0f9
children d43d82cbfb85
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Mychaela Falconia <falcon@freecalypso.org>
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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
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11 char *socket_pathname = "/tmp/rvinterf_socket";
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12 char *rvinterf_ttyport;
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13 int ttyhacks, dflag;
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14
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15 int sock;
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16
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17 extern char *rvinterf_Bopt, *rvinterf_lopt, *rvinterf_wopt;
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18
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19 main(argc, argv)
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20 char **argv;
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21 {
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22 extern int optind;
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23 extern char *optarg;
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24 int c, sopt = 0;
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25 fd_set fds;
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26
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27 while ((c = getopt(argc, argv, "B:dl:p:s:w:")) != EOF)
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28 switch (c) {
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29 case 'B':
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30 rvinterf_Bopt = optarg;
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31 continue;
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32 case 'd':
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33 dflag++;
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34 continue;
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35 case 'l':
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36 rvinterf_lopt = optarg;
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37 continue;
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38 case 'p':
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39 rvinterf_ttyport = optarg;
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40 continue;
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41 case 's':
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42 socket_pathname = optarg;
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43 sopt++;
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44 continue;
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45 case 'w':
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46 rvinterf_wopt = optarg;
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47 continue;
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48 case '?':
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49 default:
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50 usage: fprintf(stderr,
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51 "usage: %s [options] [command]\n", argv[0]);
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52 exit(1);
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53 }
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54 if (rvinterf_ttyport) {
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55 if (sopt) {
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56 fprintf(stderr,
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57 "%s error: -p and -s options are mutually exclusive\n",
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58 argv[0]);
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59 exit(1);
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60 }
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61 launch_rvinterf(rvinterf_ttyport);
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62 } else {
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63 if (rvinterf_Bopt || rvinterf_lopt || rvinterf_wopt) {
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64 fprintf(stderr,
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65 "%s error: -B, -l and -w options are meaningful only when launching rvinterf\n",
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66 argv[0]);
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67 exit(1);
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68 }
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69 connect_local_socket();
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70 }
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71
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72 if (argv[optind])
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73 return oneshot_command(argc - optind, argv + optind);
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74
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75 ttyhacks = isatty(0) && !dflag;
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76 init();
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77 tty_init();
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78 for (;;) {
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79 FD_ZERO(&fds);
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80 FD_SET(0, &fds);
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81 FD_SET(sock, &fds);
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82 c = select(sock+1, &fds, 0, 0, 0);
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83 if (c < 0) {
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84 if (errno == EINTR)
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85 continue;
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86 tty_cleanup();
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87 perror("select");
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88 exit(1);
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89 }
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90 if (FD_ISSET(0, &fds))
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91 handle_tty_input();
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92 if (FD_ISSET(sock, &fds))
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93 handle_rvinterf_input();
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94 fflush(stdout);
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95 }
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96 }