FreeCalypso > hg > freecalypso-tools
annotate rvinterf/libasync/launchrvif.c @ 156:01230ff7cef3
fc-tmsh: stub handling of ETM_AUDIO responses
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 17 Mar 2017 05:54:16 +0000 |
parents | 09b4fd9b3827 |
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1 /* |
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2 * This module implements the optional "behind the scenes" invokation |
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3 * of rvinterf from fc-shell or fc-tmsh. |
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4 */ |
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5 |
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6 #include <sys/types.h> |
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7 #include <sys/socket.h> |
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8 #include <stdio.h> |
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9 #include <stdlib.h> |
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10 #include <unistd.h> |
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11 #include "exitcodes.h" |
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12 |
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13 static char rvinterf_pathname[] = "/opt/freecalypso/bin/rvinterf"; |
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14 |
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15 extern int sock; |
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16 |
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17 char *rvinterf_Bopt, *rvinterf_lopt, *rvinterf_wopt; |
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18 |
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19 launch_rvinterf(ttyport) |
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20 char *ttyport; |
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21 { |
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22 int sp[2], rc; |
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23 char *rvif_argv[11], Sarg[16], **ap; |
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24 |
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25 rc = socketpair(AF_UNIX, SOCK_STREAM, 0, sp); |
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26 if (rc < 0) { |
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27 perror("socketpair"); |
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28 exit(ERROR_UNIX); |
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29 } |
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30 sock = sp[0]; |
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31 sprintf(Sarg, "-S%d", sp[1]); |
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32 ap = rvif_argv; |
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33 *ap++ = "rvinterf"; |
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34 *ap++ = Sarg; |
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35 *ap++ = "-n"; |
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36 if (rvinterf_Bopt) { |
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37 *ap++ = "-B"; |
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38 *ap++ = rvinterf_Bopt; |
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39 } |
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40 if (rvinterf_lopt) { |
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41 *ap++ = "-l"; |
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42 *ap++ = rvinterf_lopt; |
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43 } |
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44 if (rvinterf_wopt) { |
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45 *ap++ = "-w"; |
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46 *ap++ = rvinterf_wopt; |
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47 } |
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48 *ap++ = ttyport; |
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49 *ap = 0; |
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50 rc = vfork(); |
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51 if (rc < 0) { |
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52 perror("vfork for launching rvinterf"); |
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53 exit(ERROR_UNIX); |
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54 } |
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55 if (!rc) { |
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56 /* we are in the child - do the exec */ |
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57 close(sp[0]); |
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58 execv(rvinterf_pathname, rvif_argv); |
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59 perror(rvinterf_pathname); |
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60 _exit(1); |
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61 } |
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62 close(sp[1]); |
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63 return 0; |
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64 } |