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#define _XOPEN_SOURCE
#define _XOPEN_SOURCE_EXTENDED
#include <features.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#include <termios.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/ioctl.h>
#include "putty.h"
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE 1
#endif
int pty_master_fd;
static int pty_child_pid;
static sig_atomic_t pty_child_dead;
char **pty_argv;
int pty_child_is_dead(void)
{
return pty_child_dead;
}
static void pty_size(void);
static void sigchld_handler(int signum)
{
pid_t pid;
int status;
pid = waitpid(-1, &status, WNOHANG);
if (pid == pty_child_pid && (WIFEXITED(status) || WIFSIGNALED(status)))
pty_child_dead = TRUE;
}
/*
* Called to set up the pty.
*
* Returns an error message, or NULL on success.
*
* Also places the canonical host name into `realhost'. It must be
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/*
* If we're here, exec has gone badly foom.
*/
perror("exec");
exit(127);
} else {
close(slavefd);
pty_child_pid = pid;
pty_child_dead = FALSE;
signal(SIGCHLD, sigchld_handler);
}
return NULL;
}
/*
* Called to send data down the pty.
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