annotate rvinterf/asyncshell/main.c @ 416:30f6d1c32c6f

doc/Flash-boot-defect article removed (no longer relevant) This article is no longer relevant because the issue in question only affected one (1) defective FCDEV3B board which was not and never will be sold.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Oct 2018 07:11:08 +0000
parents bbc41034f14c
children c1aadfcd185f
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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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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 int oneshot_mode, oneshot_nowait;
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16
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17 int sock;
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18
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19 extern char *rvinterf_Bopt, *rvinterf_lopt, *rvinterf_wopt;
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20
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21 main(argc, argv)
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22 char **argv;
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23 {
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24 extern int optind;
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25 extern char *optarg;
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26 int c, sopt = 0;
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27 fd_set fds;
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28
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29 while ((c = getopt(argc, argv, "B:dl:np:s:w:")) != EOF)
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30 switch (c) {
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31 case 'B':
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32 rvinterf_Bopt = optarg;
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33 continue;
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34 case 'd':
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35 dflag++;
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36 continue;
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37 case 'l':
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38 rvinterf_lopt = optarg;
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39 continue;
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40 case 'n':
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41 oneshot_nowait++;
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42 continue;
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43 case 'p':
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44 rvinterf_ttyport = optarg;
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45 continue;
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46 case 's':
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47 socket_pathname = optarg;
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48 sopt++;
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49 continue;
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50 case 'w':
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51 rvinterf_wopt = optarg;
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52 continue;
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53 case '?':
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54 default:
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55 /* error msg already printed */
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56 exit(ERROR_USAGE);
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57 }
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58 if (rvinterf_ttyport) {
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59 if (sopt) {
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60 fprintf(stderr,
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61 "%s error: -p and -s options are mutually exclusive\n",
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62 argv[0]);
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63 exit(ERROR_USAGE);
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64 }
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65 launch_rvinterf(rvinterf_ttyport);
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66 } else {
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67 if (rvinterf_Bopt || rvinterf_lopt || rvinterf_wopt) {
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68 fprintf(stderr,
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69 "%s error: -B, -l and -w options are meaningful only when launching rvinterf\n",
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70 argv[0]);
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71 exit(ERROR_USAGE);
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72 }
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73 connect_local_socket();
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74 }
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75
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76 if (argv[optind]) {
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77 oneshot_mode = 1;
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78 return oneshot_command(argc - optind, argv + optind);
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79 }
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81 ttyhacks = isatty(0) && !dflag;
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82 init();
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83 tty_init();
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84 for (;;) {
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85 FD_ZERO(&fds);
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86 FD_SET(0, &fds);
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87 FD_SET(sock, &fds);
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88 c = select(sock+1, &fds, 0, 0, 0);
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89 if (c < 0) {
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90 if (errno == EINTR)
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91 continue;
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92 tty_cleanup();
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93 perror("select");
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94 exit(ERROR_UNIX);
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95 }
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96 if (FD_ISSET(0, &fds))
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97 handle_tty_input();
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98 if (FD_ISSET(sock, &fds))
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99 handle_rvinterf_input();
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100 fflush(stdout);
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101 }
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102 }