path: root/innbbsd/closeonexec.c

/*  $Revision: 1.1 $
**
*/
/*#include "configdata.h"*/
#include <stdio.h>
#include <sys/types.h>
#include <errno.h>
#include <sys/ioctl.h>
#include "clibrary.h"

#ifndef CLX_IOCTL
#  define CLX_IOCTL
#endif
#ifndef CLX_FCNTL
#  define CLX_FCNTL
#endif



#if defined(CLX_IOCTL) && !defined(IRIX)
#ifdef __linux
#  include <termios.h>
#else
#  include <sgtty.h>
#endif


/*
**  Mark a file close-on-exec so that it doesn't get shared with our
**  children.  Ignore any error codes.
*/
void
closeOnExec(fd, flag)
    int     fd;
    int     flag;
{
    int     oerrno;

    oerrno = errno;
    (void)ioctl(fd, flag ? FIOCLEX : FIONCLEX, (char *)NULL);
    errno = oerrno;
}
#endif  /* defined(CLX_IOCTL) */



#if defined(CLX_FCNTL)
#include <fcntl.h>


/*
**  Mark a file close-on-exec so that it doesn't get shared with our
**  children.  Ignore any error codes.
*/
void
CloseOnExec(fd, flag)
    int     fd;
    int     flag;
{
    int     oerrno;

    oerrno = errno;
    (void)fcntl(fd, F_SETFD, flag ? 1 : 0);
    errno = oerrno;
}
#endif  /* defined(CLX_FCNTL) */