From ec0c48cb296185c5af585c9f9a7213cd4177dbb5 Mon Sep 17 00:00:00 2001 From: Glenn L McGrath Date: Mon, 16 Sep 2002 03:16:06 +0000 Subject: openvt applet by Quy Tonthat --- console-tools/openvt.c | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 console-tools/openvt.c (limited to 'console-tools/openvt.c') diff --git a/console-tools/openvt.c b/console-tools/openvt.c new file mode 100644 index 0000000..3373edd --- /dev/null +++ b/console-tools/openvt.c @@ -0,0 +1,84 @@ +/* vi: set sw=4 ts=4: */ + +/* + * openvt.c - open a vt to run a command. + * + * busyboxed by Quy Tonthat + */ + +/* getopt not needed */ + +#include +#include +#include +#include +#include +#include +#include "busybox.h" + +#define VTNAME "/dev/tty%d" + +int openvt_main(int argc, char **argv) +{ + int pid; + int fd; + int vtno; + char vtname[sizeof VTNAME + 2]; + char * cmd = NULL; + char * cmd_args = NULL; + + if (argc < 3) + show_usage(); + + if (!isdigit(argv[1][0])) + show_usage(); + + vtno = (int) atol(argv[1]); + + /* if (vtno <= 0 || vtno > 63) */ + if (vtno <= 0 || vtno > 12) + error_msg_and_die("Illegal vt number (%d)", vtno); + + sprintf(vtname, VTNAME, vtno); + + cmd = argv[2]; + cmd_args = xmalloc(80); + cmd_args[0] = '\0'; + + if((pid = fork()) == 0) { + /* leave current vt */ + +#ifdef ESIX_5_3_2_D + if (setpgrp() < 0) { +#else + if (setsid() < 0) { +#endif + + perror_msg_and_die("Unable to set new session"); + } + close(0); /* so that new vt becomes stdin */ + + /* and grab new one */ + if ((fd = open(vtname, O_RDWR)) == -1) + perror_msg_and_die("could not open %s", vtname); + + /* Reassign stdout and sterr */ + close(1); + close(2); + dup(fd); + dup(fd); + + execvp(cmd, &argv[2]); + /*execlp(cmd, cmd_args);*/ + _exit(1); + } + return EXIT_SUCCESS; +} + +/* +Local Variables: +c-file-style: "linux" +c-basic-offset: 4 +tab-width: 4 +End: +*/ -- cgit v1.1