1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/**************************************************************************/
/* */
/* OCaml */
/* */
/* 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 Lesser General Public License version 2.1, with the */
/* special exception on linking described in the file LICENSE. */
/* */
/**************************************************************************/
#include <caml/mlvalues.h>
#include <caml/alloc.h>
#include <caml/fail.h>
#include "unixsupport.h"
#ifdef HAS_SOCKETS
#include <sys/socket.h>
extern int caml_unix_socket_domain_table[], caml_unix_socket_type_table[];
CAMLprim value caml_unix_socketpair(value cloexec, value domain,
value type, value proto)
{
int sv[2];
value res;
int ty = caml_unix_socket_type_table[Int_val(type)];
#ifdef SOCK_CLOEXEC
if (caml_unix_cloexec_p(cloexec)) ty |= SOCK_CLOEXEC;
#endif
if (socketpair(caml_unix_socket_domain_table[Int_val(domain)],
ty, Int_val(proto), sv) == -1)
caml_uerror("socketpair", Nothing);
#ifndef SOCK_CLOEXEC
if (caml_unix_cloexec_p(cloexec)) {
caml_unix_set_cloexec(sv[0], "socketpair", Nothing);
caml_unix_set_cloexec(sv[1], "socketpair", Nothing);
}
#endif
res = caml_alloc_small(2, 0);
Field(res,0) = Val_int(sv[0]);
Field(res,1) = Val_int(sv[1]);
return res;
}
#else
CAMLprim value caml_unix_socketpair(value cloexec, value domain, value type,
value proto)
{ caml_invalid_argument("socketpair not implemented"); }
#endif
|
