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/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* Automatique. Distributed only by permission. */
/* */
/***********************************************************************/
/* $Id$ */
#include <mlvalues.h>
#include "unix.h"
#ifdef HAS_UNISTD
#include <unistd.h>
#endif
#include <fcntl.h>
#ifndef O_NONBLOCK
#define O_NONBLOCK O_NDELAY
#endif
value unix_set_nonblock(fd)
value fd;
{
int retcode;
retcode = fcntl(Int_val(fd), F_GETFL, 0);
if (retcode == -1 ||
fcntl(Int_val(fd), F_SETFL, retcode | O_NONBLOCK) == -1)
uerror("set_nonblock", Nothing);
return Val_unit;
}
value unix_clear_nonblock(fd)
value fd;
{
int retcode;
retcode = fcntl(Int_val(fd), F_GETFL, 0);
if (retcode == -1 ||
fcntl(Int_val(fd), F_SETFL, retcode & ~O_NONBLOCK) == -1)
uerror("clear_nonblock", Nothing);
return Val_unit;
}
#ifdef FD_CLOEXEC
value unix_set_close_on_exec(fd)
value fd;
{
int retcode;
retcode = fcntl(Int_val(fd), F_GETFD, 0);
if (retcode == -1 ||
fcntl(Int_val(fd), F_SETFD, retcode | FD_CLOEXEC) == -1)
uerror("set_close_on_exec", Nothing);
return Val_unit;
}
value unix_clear_close_on_exec(fd)
value fd;
{
int retcode;
retcode = fcntl(Int_val(fd), F_GETFD, 0);
if (retcode == -1 ||
fcntl(Int_val(fd), F_SETFD, retcode & ~FD_CLOEXEC) == -1)
uerror("clear_close_on_exec", Nothing);
return Val_unit;
}
#else
value unix_set_close_on_exec()
{ invalid_argument("set_close_on_exec not implemented"); }
value unix_clear_close_on_exec()
{ invalid_argument("clear_close_on_exec not implemented"); }
#endif
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