FreeCalypso > hg > freecalypso-sw
view rvinterf/libasync/launchrvif.c @ 380:5e0e9bb26060
fc-loadtool: compalstage support hooked in
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Mon, 09 Jun 2014 21:20:10 +0000 |
parents | 40b8557b9d04 |
children |
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/* * This module implements the optional "behind the scenes" invokation * of rvinterf from fc-tmsh. */ #include <sys/types.h> #include <sys/socket.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> static char rvinterf_pathname[] = "/usr/local/bin/rvinterf"; extern int sock; char *rvinterf_Bopt, *rvinterf_lopt, *rvinterf_wopt; launch_rvinterf(ttyport) char *ttyport; { int sp[2], rc; char *rvif_argv[11], Sarg[16], **ap; rc = socketpair(AF_UNIX, SOCK_STREAM, 0, sp); if (rc < 0) { perror("socketpair"); exit(1); } sock = sp[0]; sprintf(Sarg, "-S%d", sp[1]); ap = rvif_argv; *ap++ = "rvinterf"; *ap++ = Sarg; *ap++ = "-n"; if (rvinterf_Bopt) { *ap++ = "-B"; *ap++ = rvinterf_Bopt; } if (rvinterf_lopt) { *ap++ = "-l"; *ap++ = rvinterf_lopt; } if (rvinterf_wopt) { *ap++ = "-w"; *ap++ = rvinterf_wopt; } *ap++ = ttyport; *ap = 0; rc = vfork(); if (rc < 0) { perror("vfork for launching rvinterf"); exit(1); } if (!rc) { /* we are in the child - do the exec */ close(sp[0]); execv(rvinterf_pathname, rvif_argv); perror(rvinterf_pathname); _exit(1); } close(sp[1]); return 0; }