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/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* en Automatique. All rights reserved. This file is distributed */
/* under the terms of the GNU Library General Public License, with */
/* the special exception on linking described in file ../../LICENSE. */
/* */
/***********************************************************************/
/* $Id$ */
#include <mlvalues.h>
#include <alloc.h>
#include <memory.h>
#include <signals.h>
#include "unixsupport.h"
#include <string.h>
#include <fcntl.h>
#ifndef O_NONBLOCK
#define O_NONBLOCK O_NDELAY
#endif
#ifndef O_DSYNC
#define O_DSYNC 0
#endif
#ifndef O_SYNC
#define O_SYNC 0
#endif
#ifndef O_RSYNC
#define O_RSYNC 0
#endif
static int open_flag_table[] = {
O_RDONLY, O_WRONLY, O_RDWR, O_NONBLOCK, O_APPEND, O_CREAT, O_TRUNC, O_EXCL,
O_NOCTTY, O_DSYNC, O_SYNC, O_RSYNC
};
CAMLprim value unix_open(value path, value flags, value perm)
{
CAMLparam3(path, flags, perm);
int ret, cv_flags;
char * p;
cv_flags = convert_flag_list(flags, open_flag_table);
p = stat_alloc(string_length(path) + 1);
strcpy(p, String_val(path));
/* open on a named FIFO can block (PR#1533) */
enter_blocking_section();
ret = open(p, cv_flags, Int_val(perm));
leave_blocking_section();
stat_free(p);
if (ret == -1) uerror("open", path);
CAMLreturn (Val_int(ret));
}
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