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-rw-r--r--otherlibs/win32unix/accept.c20
-rw-r--r--otherlibs/win32unix/socket.c22
-rw-r--r--otherlibs/win32unix/unix.ml8
3 files changed, 35 insertions, 15 deletions
diff --git a/otherlibs/win32unix/accept.c b/otherlibs/win32unix/accept.c
index 10b0f7b1a..b55693ffa 100644
--- a/otherlibs/win32unix/accept.c
+++ b/otherlibs/win32unix/accept.c
@@ -23,17 +23,25 @@ value unix_accept(sock) /* ML */
SOCKET sconn = (SOCKET) Handle_val(sock);
SOCKET snew;
value fd = Val_unit, adr = Val_unit, res;
- int optionValue;
-
- /* Set sockets to synchronous mode */
- optionValue = SO_SYNCHRONOUS_NONALERT;
- setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
- (char *)&optionValue, sizeof(optionValue));
+ int oldvalue, newvalue, retcode;
+ retcode = getsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
+ (char *) &oldvalue, sizeof(oldvalue));
+ if (retcode == 0) {
+ /* Set sockets to synchronous mode */
+ newvalue = SO_SYNCHRONOUS_NONALERT;
+ setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
+ (char *) &newvalue, sizeof(newvalue));
+ }
sock_addr_len = sizeof(sock_addr);
enter_blocking_section();
snew = accept(sconn, &sock_addr.s_gen, &sock_addr_len);
leave_blocking_section();
+ if (retcode == 0) {
+ /* Restore initial mode */
+ setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
+ (char *) &oldvalue, sizeof(oldvalue));
+ }
if (snew == INVALID_SOCKET)
unix_error(WSAGetLastError(), "accept", Nothing);
Begin_roots2 (fd, adr)
diff --git a/otherlibs/win32unix/socket.c b/otherlibs/win32unix/socket.c
index cdcd34a6d..c543bcf88 100644
--- a/otherlibs/win32unix/socket.c
+++ b/otherlibs/win32unix/socket.c
@@ -24,20 +24,28 @@ int socket_type_table[] = {
SOCK_STREAM, SOCK_DGRAM, SOCK_RAW, SOCK_SEQPACKET
};
-value unix_socket(domain, type, proto) /* ML */
+value unix_socket(domain, type, proto, synchronous) /* ML */
value domain, type, proto;
{
SOCKET s;
- int optionValue;
-
- /* Set sockets to synchronous mode */
- optionValue = SO_SYNCHRONOUS_NONALERT;
- setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
- (char *)&optionValue, sizeof(optionValue));
+ int oldvalue, newvalue, retcode;
+ retcode = getsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
+ (char *) &oldvalue, sizeof(oldvalue));
+ if (retcode == 0) {
+ /* Set sockets to synchronous or asnychronous mode, as requested */
+ newvalue = Bool_val(synchronous) ? SO_SYNCHRONOUS_NONALERT : 0;
+ setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
+ (char *) &newvalue, sizeof(newvalue));
+ }
s = socket(socket_domain_table[Int_val(domain)],
socket_type_table[Int_val(type)],
Int_val(proto));
+ if (retcode == 0) {
+ /* Restore initial mode */
+ setsockopt(INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
+ (char *) &oldvalue, sizeof(oldvalue));
+ }
if (s == INVALID_SOCKET) unix_error(WSAGetLastError(), "socket", Nothing);
return win_alloc_handle((HANDLE) s);
}
diff --git a/otherlibs/win32unix/unix.ml b/otherlibs/win32unix/unix.ml
index 17eecb0d8..188d95d89 100644
--- a/otherlibs/win32unix/unix.ml
+++ b/otherlibs/win32unix/unix.ml
@@ -476,8 +476,12 @@ type socket_option =
| SO_DONTROUTE
| SO_OOBINLINE
-external socket : socket_domain -> socket_type -> int -> file_descr
- = "unix_socket"
+external socket_internal :
+ socket_domain -> socket_type -> int -> bool -> file_descr
+ = "unix_socket"
+
+let socket dom typ proto = socket_internal dom typ proto true
+let async_socket dom typ proto = socket_internal dom typ proto false
let socketpair dom ty proto = invalid_arg "Unix.socketpair not implemented"
external accept : file_descr -> file_descr * sockaddr = "unix_accept"
external bind : file_descr -> sockaddr -> unit = "unix_bind"