FreeCalypso > hg > freecalypso-tools
annotate rvinterf/asyncshell/main.c @ 73:cd1a0d5689f6
rvinterf/etmsync/fsiomain.c: same "usage" fix as in fc-tmsh
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 27 Oct 2016 00:17:17 +0000 |
parents | d43d82cbfb85 |
children | 84920d3d97c6 |
rev | line source |
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0
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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); |
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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 } |