FreeCalypso > hg > freecalypso-tools
annotate rvinterf/asyncshell/main.c @ 530:c4c0c9cc2a7c
CHANGES: refer to the new doc/Target-utils document
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 16 Jun 2019 19:02:52 +0000 |
parents | e40bb5a6c6b9 |
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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 extern char *socket_pathname; |
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13 extern char *rvinterf_ttyport, *rvinterf_Bopt, *rvinterf_lopt, *rvinterf_wopt; |
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14 extern int sock; |
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15 |
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16 int ttyhacks, dflag; |
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17 int oneshot_mode, oneshot_nowait; |
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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:np: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 'n': |
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39 oneshot_nowait++; |
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40 continue; |
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41 case 'p': |
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42 rvinterf_ttyport = optarg; |
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43 continue; |
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44 case 's': |
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45 socket_pathname = optarg; |
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46 sopt++; |
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47 continue; |
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48 case 'w': |
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49 rvinterf_wopt = optarg; |
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50 continue; |
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51 case '?': |
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52 default: |
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53 /* error msg already printed */ |
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54 exit(ERROR_USAGE); |
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55 } |
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56 if (rvinterf_ttyport) { |
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57 if (sopt) { |
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58 fprintf(stderr, |
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59 "%s error: -p and -s options are mutually exclusive\n", |
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60 argv[0]); |
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61 exit(ERROR_USAGE); |
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62 } |
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63 launch_rvinterf(0); |
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64 } else { |
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65 if (rvinterf_Bopt || rvinterf_lopt || rvinterf_wopt) { |
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66 fprintf(stderr, |
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67 "%s error: -B, -l and -w options are meaningful only when launching rvinterf\n", |
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68 argv[0]); |
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69 exit(ERROR_USAGE); |
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70 } |
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71 connect_local_socket(); |
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72 } |
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73 |
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74 if (argv[optind]) { |
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75 oneshot_mode = 1; |
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76 return oneshot_command(argc - optind, argv + optind); |
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77 } |
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78 |
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79 ttyhacks = isatty(0) && !dflag; |
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80 init(); |
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81 tty_init(); |
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82 for (;;) { |
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83 FD_ZERO(&fds); |
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84 FD_SET(0, &fds); |
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85 FD_SET(sock, &fds); |
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86 c = select(sock+1, &fds, 0, 0, 0); |
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87 if (c < 0) { |
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88 if (errno == EINTR) |
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89 continue; |
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90 tty_cleanup(); |
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91 perror("select"); |
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92 exit(ERROR_UNIX); |
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93 } |
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94 if (FD_ISSET(0, &fds)) |
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95 handle_tty_input(); |
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96 if (FD_ISSET(sock, &fds)) |
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97 handle_rvinterf_input(); |
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98 fflush(stdout); |
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99 } |
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100 } |