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