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rxvt.c

/*  Copyright 1992 John Bovey, University of Kent at Canterbury.
   *
   *  You can do what you like with this source code as long as
   *  you don't try to make money out of it and you include an
   *  unaltered copy of this message (including the copyright).
 */
/*
   * This module has been heavily modified by R. Nation
   * (nation@rocket.sanders.lockheed.com).
   * No additional restrictions are applied
   *
   * As usual, the author accepts no responsibility for anything, nor does
   * he guarantee anything whatsoever.
 */
#include <stdio.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include "command.h"
#include "xsetup.h"
#include "screen.h"
#include "sbar.h"
#include "rxvt.h"
#include "debug.h"

/*  The default command argv if we just run a shell.
 */
static char *shell_argv[2] =
{
    "/bin/sh",
    NULL,
};


char   *command = (char *) 0;

/*  Run the command in a subprocess and return a file descriptor for the
 *  master end of the pseudo-teletype pair with the command talking to
 *  the slave.
 */
void    main(int argc, char **argv)
{
    int     i;
    char   *shell;
    char  **com_argv;
    struct itimerval itimer_value;

    itimer_value.it_value.tv_sec = itimer_value.it_interval.tv_sec = 0;
    itimer_value.it_value.tv_usec = itimer_value.it_interval.tv_usec = 700000;

    for (i = 0; i < argc; i++)
      if (strcmp(argv[i], "-e") == 0)
          break;
    if (i < argc - 1) {
      argv[i] = NULL;
      com_argv = argv + i + 1;
      argc = i;
      command = com_argv[0];
    }
    else {
      com_argv = shell_argv;
      if ((shell = getenv("SHELL")) != NULL)
          shell_argv[0] = shell;
      command = (char *) 0;
    }

    /*  Add a TERM entry to the environment.
     */
    putenv(TERM_ENV);

    init_display(argc, argv);
    if (command == (char *) 0)
      command = com_argv[0];

    init_command(command, (unsigned char **) com_argv);

    signal(SIGALRM, blink_refresh);
    setitimer(ITIMER_REAL, &itimer_value, NULL);

    get_token();
}

int kill_process_group(int pid, int sig)
{
#ifndef X_NOT_POSIX
    return kill(-pid, sig);
#else
#if defined(SVR4) || defined(SYSV)
    return kill(-pid, sig);
#else
    return killpg(pid, sig);
#endif
#endif
}

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