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Diffstat (limited to 'winsup/cygwin/net.cc')
-rw-r--r--winsup/cygwin/net.cc371
1 files changed, 103 insertions, 268 deletions
diff --git a/winsup/cygwin/net.cc b/winsup/cygwin/net.cc
index 8a0c5b5a4..0454d9b32 100644
--- a/winsup/cygwin/net.cc
+++ b/winsup/cygwin/net.cc
@@ -1,7 +1,7 @@
/* net.cc: network-related routines.
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
- 2007, 2008, 2009, 2010, 2011, 2012 Red Hat, Inc.
+ 2007, 2008, 2009, 2010, 2011, 2012, 2013 Red Hat, Inc.
This file is part of Cygwin.
@@ -157,7 +157,7 @@ struct tl
int e;
};
-static NO_COPY struct tl errmap[] = {
+static const struct tl errmap[] = {
{WSAEINTR, "WSAEINTR", EINTR},
{WSAEWOULDBLOCK, "WSAEWOULDBLOCK", EWOULDBLOCK},
{WSAEINPROGRESS, "WSAEINPROGRESS", EINPROGRESS},
@@ -219,14 +219,14 @@ __set_winsock_errno (const char *fn, int ln)
int err = find_winsock_errno (werr);
set_errno (err);
- syscall_printf ("%s:%d - winsock error %d -> errno %d", fn, ln, werr, err);
+ syscall_printf ("%s:%d - winsock error %u -> errno %d", fn, ln, werr, err);
}
/*
* Since the member `s' isn't used for debug output we can use it
* for the error text returned by herror and hstrerror.
*/
-static NO_COPY struct tl host_errmap[] = {
+static const struct tl host_errmap[] = {
{WSAHOST_NOT_FOUND, "Unknown host", HOST_NOT_FOUND},
{WSATRY_AGAIN, "Host name lookup failure", TRY_AGAIN},
{WSANO_RECOVERY, "Unknown server error", NO_RECOVERY},
@@ -305,6 +305,22 @@ realloc_ent (int sz, hostent *)
The 'unionent' struct is a union of all of the currently used
*ent structure. */
+#ifdef __x86_64__
+/* For some baffling reason, somebody at Microsoft decided that it would be
+ a good idea to exchange the s_port and s_proto members in the servent
+ structure. */
+struct win64_servent
+{
+ char *s_name;
+ char **s_aliases;
+ char *s_proto;
+ short s_port;
+};
+#define WIN_SERVENT(x) ((win64_servent *)(x))
+#else
+#define WIN_SERVENT(x) ((servent *)(x))
+#endif
+
#ifdef DEBUGGING
static void *
#else
@@ -369,8 +385,8 @@ dup_ent (unionent *&dst, unionent *src, unionent::struct_type type)
int addr_list_len = 0;
if (type == unionent::t_servent)
{
- if (src->s_proto)
- sz += (protolen = strlen_round (src->s_proto));
+ if (WIN_SERVENT (src)->s_proto)
+ sz += (protolen = strlen_round (WIN_SERVENT (src)->s_proto));
}
else if (type == unionent::t_hostent)
{
@@ -392,8 +408,12 @@ dup_ent (unionent *&dst, unionent *src, unionent::struct_type type)
{
memset (dst, 0, sz);
/* This field is common to all *ent structures but named differently
- in each, of course. */
- dst->port_proto_addrtype = src->port_proto_addrtype;
+ in each, of course. Also, take 64 bit Windows servent weirdness
+ into account. */
+ if (type == unionent::t_servent)
+ dst->port_proto_addrtype = WIN_SERVENT (src)->s_port;
+ else
+ dst->port_proto_addrtype = src->port_proto_addrtype;
char *dp = ((char *) dst) + struct_sz;
if (namelen)
@@ -420,12 +440,12 @@ dup_ent (unionent *&dst, unionent *src, unionent::struct_type type)
/* Do servent/protoent/hostent specific processing. */
if (type == unionent::t_protoent)
- debug_printf ("protoent %s %x %x", dst->name, dst->list, dst->port_proto_addrtype);
+ debug_printf ("protoent %s %p %y", dst->name, dst->list, dst->port_proto_addrtype);
else if (type == unionent::t_servent)
{
- if (src->s_proto)
+ if (WIN_SERVENT (src)->s_proto)
{
- strcpy (dst->s_proto = dp, src->s_proto);
+ strcpy (dst->s_proto = dp, WIN_SERVENT (src)->s_proto);
dp += protolen;
}
}
@@ -534,7 +554,7 @@ fdsock (cygheap_fdmanip& fd, const device *dev, SOCKET soc)
ret = WSAIoctl (soc, SIO_BASE_HANDLE, NULL, 0, (void *) &base_soc,
sizeof (base_soc), &bret, NULL, NULL);
if (ret)
- debug_printf ("WSAIoctl: %lu", WSAGetLastError ());
+ debug_printf ("WSAIoctl: %u", WSAGetLastError ());
else if (base_soc != soc)
{
/* LSPs are often BLODAs as well. So we print an info about
@@ -585,26 +605,35 @@ fdsock (cygheap_fdmanip& fd, const device *dev, SOCKET soc)
handle inheritance. An explanation for this weird behaviour would
be nice, though.
+ NOTE 2. Testing on x86_64 (XP, Vista, 2008 R2, W8) indicates that
+ this is no problem on 64 bit. So we set the default buffer size to
+ the default values in current 3.x Linux versions.
+
(*) Maximum normal TCP window size. Coincidence? */
+#ifdef __x86_64__
+ ((fhandler_socket *) fd)->rmem () = 212992;
+ ((fhandler_socket *) fd)->wmem () = 212992;
+#else
((fhandler_socket *) fd)->rmem () = 65535;
((fhandler_socket *) fd)->wmem () = 65535;
+#endif
if (::setsockopt (soc, SOL_SOCKET, SO_RCVBUF,
(char *) &((fhandler_socket *) fd)->rmem (), sizeof (int)))
{
- debug_printf ("setsockopt(SO_RCVBUF) failed, %lu", WSAGetLastError ());
+ debug_printf ("setsockopt(SO_RCVBUF) failed, %u", WSAGetLastError ());
if (::getsockopt (soc, SOL_SOCKET, SO_RCVBUF,
(char *) &((fhandler_socket *) fd)->rmem (),
(size = sizeof (int), &size)))
- system_printf ("getsockopt(SO_RCVBUF) failed, %lu", WSAGetLastError ());
+ system_printf ("getsockopt(SO_RCVBUF) failed, %u", WSAGetLastError ());
}
if (::setsockopt (soc, SOL_SOCKET, SO_SNDBUF,
(char *) &((fhandler_socket *) fd)->wmem (), sizeof (int)))
{
- debug_printf ("setsockopt(SO_SNDBUF) failed, %lu", WSAGetLastError ());
+ debug_printf ("setsockopt(SO_SNDBUF) failed, %u", WSAGetLastError ());
if (::getsockopt (soc, SOL_SOCKET, SO_SNDBUF,
(char *) &((fhandler_socket *) fd)->wmem (),
(size = sizeof (int), &size)))
- system_printf ("getsockopt(SO_SNDBUF) failed, %lu", WSAGetLastError ());
+ system_printf ("getsockopt(SO_SNDBUF) failed, %u", WSAGetLastError ());
}
return true;
@@ -620,7 +649,7 @@ cygwin_socket (int af, int type, int protocol)
int flags = type & _SOCK_FLAG_MASK;
type &= ~_SOCK_FLAG_MASK;
- debug_printf ("socket (%d, %d (flags %p), %d)", af, type, flags, protocol);
+ debug_printf ("socket (%d, %d (flags %y), %d)", af, type, flags, protocol);
if ((flags & ~(SOCK_NONBLOCK | SOCK_CLOEXEC)) != 0)
{
@@ -670,7 +699,7 @@ cygwin_socket (int af, int type, int protocol)
DWORD blen;
if (WSAIoctl (soc, SIO_UDP_CONNRESET, &cr, sizeof cr, NULL, 0,
&blen, NULL, NULL) == SOCKET_ERROR)
- debug_printf ("Reset SIO_UDP_CONNRESET: WinSock error %lu",
+ debug_printf ("Reset SIO_UDP_CONNRESET: WinSock error %u",
WSAGetLastError ());
}
res = fd;
@@ -678,17 +707,19 @@ cygwin_socket (int af, int type, int protocol)
}
done:
- syscall_printf ("%R = socket(%d, %d (flags %p), %d)",
+ syscall_printf ("%R = socket(%d, %d (flags %y), %d)",
res, af, type, flags, protocol);
return res;
}
/* exported as sendto: standards? */
-extern "C" int
+extern "C" ssize_t
cygwin_sendto (int fd, const void *buf, size_t len, int flags,
const struct sockaddr *to, socklen_t tolen)
{
- int res;
+ ssize_t res;
+
+ pthread_testcancel ();
fhandler_socket *fh = get (fd);
@@ -698,17 +729,19 @@ cygwin_sendto (int fd, const void *buf, size_t len, int flags,
else
res = fh->sendto (buf, len, flags, to, tolen);
- syscall_printf ("%R = sendto(%d, %p, %d, %x, %p, %d)",
+ syscall_printf ("%lR = sendto(%d, %p, %ld, %y, %p, %d)",
res, fd, buf, len, flags, to, tolen);
return res;
}
/* exported as recvfrom: standards? */
-extern "C" int
+extern "C" ssize_t
cygwin_recvfrom (int fd, void *buf, size_t len, int flags,
struct sockaddr *from, socklen_t *fromlen)
{
- int res;
+ ssize_t res;
+
+ pthread_testcancel ();
fhandler_socket *fh = get (fd);
@@ -722,7 +755,7 @@ cygwin_recvfrom (int fd, void *buf, size_t len, int flags,
to deliver valid error conditions and peer address. */
res = fh->recvfrom (buf, len, flags, from, fromlen);
- syscall_printf ("%R = recvfrom(%d, %p, %d, %x, %p, %p)",
+ syscall_printf ("%lR = recvfrom(%d, %p, %ld, %y, %p, %p)",
res, fd, buf, len, flags, from, fromlen);
return res;
}
@@ -786,8 +819,8 @@ cygwin_setsockopt (int fd, int level, int optname, const void *optval,
res = setsockopt (fh->get_socket (), level, optname,
(const char *) optval, optlen);
- if (optlen == 4)
- syscall_printf ("setsockopt optval=%x", *(long *) optval);
+ if (optlen == sizeof (int))
+ syscall_printf ("setsockopt optval=%x", *(int *) optval);
if (res)
{
@@ -837,7 +870,7 @@ cygwin_setsockopt (int fd, int level, int optname, const void *optval,
}
}
- syscall_printf ("%R = setsockopt(%d, %d, %x, %p, %d)",
+ syscall_printf ("%R = setsockopt(%d, %d, %y, %p, %d)",
res, fd, level, optname, optval, optlen);
return res;
}
@@ -897,13 +930,13 @@ cygwin_getsockopt (int fd, int level, int optname, void *optval,
}
}
- syscall_printf ("%R = getsockopt(%d, %d, 0x%x, %p, %p)",
+ syscall_printf ("%R = getsockopt(%d, %d, %y, %p, %p)",
res, fd, level, optname, optval, optlen);
return res;
}
extern "C" int
-getpeereid (int fd, __uid32_t *euid, __gid32_t *egid)
+getpeereid (int fd, uid_t *euid, gid_t *egid)
{
fhandler_socket *fh = get (fd);
if (fh)
@@ -917,6 +950,8 @@ cygwin_connect (int fd, const struct sockaddr *name, socklen_t namelen)
{
int res;
+ pthread_testcancel ();
+
fhandler_socket *fh = get (fd);
myfault efault;
@@ -1293,6 +1328,8 @@ cygwin_accept (int fd, struct sockaddr *peer, socklen_t *len)
{
int res;
+ pthread_testcancel ();
+
fhandler_socket *fh = get (fd);
myfault efault;
@@ -1310,6 +1347,8 @@ accept4 (int fd, struct sockaddr *peer, socklen_t *len, int flags)
{
int res;
+ pthread_testcancel ();
+
fhandler_socket *fh = get (fd);
myfault efault;
@@ -1323,7 +1362,7 @@ accept4 (int fd, struct sockaddr *peer, socklen_t *len, int flags)
else
res = fh->accept4 (peer, len, flags);
- syscall_printf ("%R = accept4(%d, %p, %p, %p)", res, fd, peer, len, flags);
+ syscall_printf ("%R = accept4(%d, %p, %p, %y)", res, fd, peer, len, flags);
return res;
}
@@ -1457,15 +1496,18 @@ cygwin_getpeername (int fd, struct sockaddr *name, socklen_t *len)
else
res = fh->getpeername (name, len);
- syscall_printf ("%R = getpeername(%d) %d", res, fd, (fh ? fh->get_socket () : -1));
+ syscall_printf ("%R = getpeername(%d) %p", res, fd,
+ (fh ? fh->get_socket () : (SOCKET) -1));
return res;
}
/* exported as recv: standards? */
-extern "C" int
+extern "C" ssize_t
cygwin_recv (int fd, void *buf, size_t len, int flags)
{
- int res;
+ ssize_t res;
+
+ pthread_testcancel ();
fhandler_socket *fh = get (fd);
@@ -1479,15 +1521,17 @@ cygwin_recv (int fd, void *buf, size_t len, int flags)
to deliver valid error conditions. */
res = fh->recvfrom (buf, len, flags, NULL, NULL);
- syscall_printf ("%R = recv(%d, %p, %d, %x)", res, fd, buf, len, flags);
+ syscall_printf ("%lR = recv(%d, %p, %ld, %y)", res, fd, buf, len, flags);
return res;
}
/* exported as send: standards? */
-extern "C" int
+extern "C" ssize_t
cygwin_send (int fd, const void *buf, size_t len, int flags)
{
- int res;
+ ssize_t res;
+
+ pthread_testcancel ();
fhandler_socket *fh = get (fd);
@@ -1497,7 +1541,7 @@ cygwin_send (int fd, const void *buf, size_t len, int flags)
else
res = fh->sendto (buf, len, flags, NULL, 0);
- syscall_printf ("%R = send(%d, %p, %d, %x)", res, fd, buf, len, flags);
+ syscall_printf ("%lR = send(%d, %p, %ld, %y)", res, fd, buf, len, flags);
return res;
}
@@ -1855,12 +1899,12 @@ get_hwaddr (struct ifall *ifp, PIP_ADAPTER_ADDRESSES pap)
else
ifp->ifa_hwaddr.sa_data[i] = pap->PhysicalAddress[i];
}
+
/*
- * Get network interfaces XP SP1 and above.
- * Use IP Helper function GetAdaptersAddresses.
+ * Get network interfaces. Use IP Helper function GetAdaptersAddresses.
*/
static struct ifall *
-get_xp_ifs (ULONG family)
+get_ifs (ULONG family)
{
PIP_ADAPTER_ADDRESSES pa0 = NULL, pap;
PIP_ADAPTER_UNICAST_ADDRESS pua;
@@ -2038,201 +2082,6 @@ done:
return ifret;
}
-/*
- * Get network interfaces up to XP w/o service packs.
- */
-static struct ifall *
-get_2k_ifs ()
-{
- int ethId = 0, pppId = 0, slpId = 0, tokId = 0;
-
- DWORD ip_cnt;
- DWORD siz_ip_table = 0;
- PMIB_IPADDRTABLE ipt;
- PMIB_IFROW ifrow;
- struct ifall *ifret = NULL, *ifp = NULL;
- struct sockaddr_in *if_sin;
-
- struct ifcount_t
- {
- DWORD ifIndex;
- size_t count;
- unsigned int enumerated; // for eth0:1
- unsigned int classId; // for eth0, tok0 ...
-
- };
- ifcount_t *iflist, *ifEntry;
-
- if (GetIpAddrTable (NULL, &siz_ip_table, TRUE) == ERROR_INSUFFICIENT_BUFFER
- && (ifrow = (PMIB_IFROW) alloca (sizeof (MIB_IFROW)))
- && (ipt = (PMIB_IPADDRTABLE) alloca (siz_ip_table))
- && !GetIpAddrTable (ipt, &siz_ip_table, TRUE))
- {
- if (!(ifret = (struct ifall *) calloc (ipt->dwNumEntries, sizeof (struct ifall))))
- goto done;
- ifp = ifret;
-
- iflist =
- (ifcount_t *) alloca (sizeof (ifcount_t) * (ipt->dwNumEntries + 1));
- memset (iflist, 0, sizeof (ifcount_t) * (ipt->dwNumEntries + 1));
- for (ip_cnt = 0; ip_cnt < ipt->dwNumEntries; ++ip_cnt)
- {
- ifEntry = iflist;
- /* search for matching entry (and stop at first free entry) */
- while (ifEntry->count != 0)
- {
- if (ifEntry->ifIndex == ipt->table[ip_cnt].dwIndex)
- break;
- ifEntry++;
- }
- if (ifEntry->count == 0)
- {
- ifEntry->count = 1;
- ifEntry->ifIndex = ipt->table[ip_cnt].dwIndex;
- }
- else
- {
- ifEntry->count++;
- }
- }
- /* reset the last element. This is just the stopper for the loop. */
- iflist[ipt->dwNumEntries].count = 0;
-
- /* Iterate over all configured IP-addresses */
- for (ip_cnt = 0; ip_cnt < ipt->dwNumEntries; ++ip_cnt)
- {
- memset (ifrow, 0, sizeof (MIB_IFROW));
- ifrow->dwIndex = ipt->table[ip_cnt].dwIndex;
- if (GetIfEntry (ifrow) != NO_ERROR)
- continue;
-
- ifcount_t *ifEntry = iflist;
-
- /* search for matching entry (and stop at first free entry) */
- while (ifEntry->count != 0)
- {
- if (ifEntry->ifIndex == ipt->table[ip_cnt].dwIndex)
- break;
- ifEntry++;
- }
-
- /* Next in chain */
- ifp->ifa_ifa.ifa_next = (struct ifaddrs *) &ifp[1].ifa_ifa;
- /* Interface name */
- if (ifrow->dwType == IF_TYPE_SOFTWARE_LOOPBACK)
- strcpy (ifp->ifa_name, "lo");
- else
- {
- const char *name = "";
- switch (ifrow->dwType)
- {
- case IF_TYPE_ISO88025_TOKENRING:
- name = "tok";
- if (ifEntry->enumerated == 0)
- ifEntry->classId = tokId++;
- break;
- case IF_TYPE_ETHERNET_CSMACD:
- name = "eth";
- if (ifEntry->enumerated == 0)
- ifEntry->classId = ethId++;
- break;
- case IF_TYPE_PPP:
- name = "ppp";
- if (ifEntry->enumerated == 0)
- ifEntry->classId = pppId++;
- break;
- case IF_TYPE_SLIP:
- name = "slp";
- if (ifEntry->enumerated == 0)
- ifEntry->classId = slpId++;
- break;
- default:
- continue;
- }
- __small_sprintf (ifp->ifa_name,
- ifEntry->enumerated ? "%s%u:%u" : "%s%u",
- name, ifEntry->classId, ifEntry->enumerated);
- ifEntry->enumerated++;
- }
- ifp->ifa_ifa.ifa_name = ifp->ifa_name;
- /* Flags */
- if (ifrow->dwType == IF_TYPE_SOFTWARE_LOOPBACK)
- ifp->ifa_ifa.ifa_flags |= IFF_LOOPBACK;
- else if (ifrow->dwType == IF_TYPE_PPP
- || ifrow->dwType == IF_TYPE_SLIP)
- ifp->ifa_ifa.ifa_flags |= IFF_POINTOPOINT | IFF_NOARP;
- else
- ifp->ifa_ifa.ifa_flags |= IFF_BROADCAST;
- if (ifrow->dwAdminStatus == IF_ADMIN_STATUS_UP)
- {
- ifp->ifa_ifa.ifa_flags |= IFF_UP | IFF_LOWER_UP;
- if (ifrow->dwOperStatus >= IF_OPER_STATUS_CONNECTED)
- ifp->ifa_ifa.ifa_flags |= IFF_RUNNING;
- }
- /* Address */
- if_sin = (struct sockaddr_in *) &ifp->ifa_addr;
- if_sin->sin_addr.s_addr = ipt->table[ip_cnt].dwAddr;
- if_sin->sin_family = AF_INET;
- ifp->ifa_ifa.ifa_addr = (struct sockaddr *) &ifp->ifa_addr;
- /* Netmask */
- if_sin = (struct sockaddr_in *) &ifp->ifa_netmask;
- if_sin->sin_addr.s_addr = ipt->table[ip_cnt].dwMask;
- if_sin->sin_family = AF_INET;
- ifp->ifa_ifa.ifa_netmask = (struct sockaddr *) &ifp->ifa_netmask;
- if_sin = (struct sockaddr_in *) &ifp->ifa_brddstaddr;
- if (ifrow->dwType == IF_TYPE_PPP
- || ifrow->dwType == IF_TYPE_SLIP)
- {
- /* Destination address */
- if_sin->sin_addr.s_addr =
- get_routedst (ipt->table[ip_cnt].dwIndex);
- ifp->ifa_ifa.ifa_dstaddr = (struct sockaddr *)
- &ifp->ifa_brddstaddr;
- }
- else
- {
- /* Broadcast address */
-#if 0
- /* Unfortunately, the field returns only crap. */
- if_sin->sin_addr.s_addr = ipt->table[ip_cnt].dwBCastAddr;
-#else
- uint32_t mask = ipt->table[ip_cnt].dwMask;
- if_sin->sin_addr.s_addr = (ipt->table[ip_cnt].dwAddr & mask) | ~mask;
-#endif
- ifp->ifa_ifa.ifa_broadaddr = (struct sockaddr *)
- &ifp->ifa_brddstaddr;
- }
- if_sin->sin_family = AF_INET;
- /* Hardware address */
- for (UINT i = 0; i < IFHWADDRLEN; ++i)
- if (i >= ifrow->dwPhysAddrLen)
- ifp->ifa_hwaddr.sa_data[i] = '\0';
- else
- ifp->ifa_hwaddr.sa_data[i] = ifrow->bPhysAddr[i];
- /* Metric */
- ifp->ifa_metric = 1;
- /* MTU */
- ifp->ifa_mtu = ifrow->dwMtu;
- /* Interface index */
- ifp->ifa_ifindex = ifrow->dwIndex;
- /* Friendly name */
- struct ifreq_frndlyname *iff = (struct ifreq_frndlyname *)
- &ifp->ifa_frndlyname;
- iff->ifrf_len = sys_wcstombs (iff->ifrf_friendlyname,
- IFRF_FRIENDLYNAMESIZ,
- ifrow->wszName);
- ++ifp;
- }
- }
- /* Since every entry is set to the next entry, the last entry points to an
- invalid next entry now. Fix it retroactively. */
- if (ifp > ifret)
- ifp[-1].ifa_ifa.ifa_next = NULL;
-
-done:
- return ifret;
-}
-
extern "C" int
getifaddrs (struct ifaddrs **ifap)
{
@@ -2242,10 +2091,7 @@ getifaddrs (struct ifaddrs **ifap)
return -1;
}
struct ifall *ifp;
- if (wincap.has_gaa_prefixes () && !CYGWIN_VERSION_CHECK_FOR_OLD_IFREQ)
- ifp = get_xp_ifs (AF_UNSPEC);
- else
- ifp = get_2k_ifs ();
+ ifp = get_ifs (AF_UNSPEC);
*ifap = &ifp->ifa_ifa;
return ifp ? 0 : -1;
}
@@ -2272,10 +2118,7 @@ get_ifconf (struct ifconf *ifc, int what)
}
struct ifall *ifret, *ifp;
- if (wincap.has_gaa_prefixes () && !CYGWIN_VERSION_CHECK_FOR_OLD_IFREQ)
- ifret = get_xp_ifs (AF_INET);
- else
- ifret = get_2k_ifs ();
+ ifret = get_ifs (AF_INET);
if (!ifret)
return -1;
@@ -2354,8 +2197,7 @@ if_nametoindex (const char *name)
if (efault.faulted (EFAULT))
return 0;
- if (wincap.has_gaa_prefixes ()
- && get_adapters_addresses (&pa0, AF_UNSPEC))
+ if (get_adapters_addresses (&pa0, AF_UNSPEC))
{
char lname[IF_NAMESIZE], *c;
@@ -2384,8 +2226,7 @@ if_indextoname (unsigned ifindex, char *ifname)
if (efault.faulted (EFAULT))
return NULL;
- if (wincap.has_gaa_prefixes ()
- && get_adapters_addresses (&pa0, AF_UNSPEC))
+ if (get_adapters_addresses (&pa0, AF_UNSPEC))
{
for (pap = pa0; pap; pap = pap->Next)
if (ifindex == (pap->Ipv6IfIndex ?: pap->IfIndex))
@@ -2424,8 +2265,7 @@ if_nameindex (void)
if (efault.faulted (EFAULT))
return NULL;
- if (wincap.has_gaa_prefixes ()
- && get_adapters_addresses (&pa0, AF_UNSPEC))
+ if (get_adapters_addresses (&pa0, AF_UNSPEC))
{
int cnt = 0;
for (pap = pa0; pap; pap = pap->Next)
@@ -2780,10 +2620,12 @@ endhostent (void)
}
/* exported as recvmsg: standards? */
-extern "C" int
+extern "C" ssize_t
cygwin_recvmsg (int fd, struct msghdr *msg, int flags)
{
- int res;
+ ssize_t res;
+
+ pthread_testcancel ();
fhandler_socket *fh = get (fd);
@@ -2801,15 +2643,17 @@ cygwin_recvmsg (int fd, struct msghdr *msg, int flags)
res = fh->recvmsg (msg, flags);
}
- syscall_printf ("%R = recvmsg(%d, %p, %x)", res, fd, msg, flags);
+ syscall_printf ("%lR = recvmsg(%d, %p, %y)", res, fd, msg, flags);
return res;
}
/* exported as sendmsg: standards? */
-extern "C" int
+extern "C" ssize_t
cygwin_sendmsg (int fd, const struct msghdr *msg, int flags)
{
- int res;
+ ssize_t res;
+
+ pthread_testcancel ();
fhandler_socket *fh = get (fd);
@@ -2823,7 +2667,7 @@ cygwin_sendmsg (int fd, const struct msghdr *msg, int flags)
res = fh->sendmsg (msg, flags);
}
- syscall_printf ("%R = sendmsg(%d, %p, %x)", res, fd, msg, flags);
+ syscall_printf ("%lR = sendmsg(%d, %p, %y)", res, fd, msg, flags);
return res;
}
@@ -4144,11 +3988,9 @@ w32_to_gai_err (int w32_err)
return w32_err;
}
-/* We can't use autoload here because we don't know where the functions
- are loaded from. On Win2K, the functions are available in the
- ipv6 technology preview lib called wship6.dll, in XP and above they
- are implemented in ws2_32.dll. For older systems we use the ipv4-only
- version above. */
+/* We can't use autoload here because we don't know if the functions
+ are available (pre-Vista). For those systems we redirect to the
+ ipv4-only version above. */
static void (WINAPI *ws_freeaddrinfo)(const struct addrinfo *);
static int (WINAPI *ws_getaddrinfo)(const char *, const char *,
@@ -4195,13 +4037,6 @@ load_ipv6_funcs ()
goto out;
FreeLibrary (lib);
}
- wcpcpy (lib_name, L"wship6.dll");
- if ((lib = LoadLibraryW (lib_path)))
- {
- if (get_ipv6_funcs (lib))
- goto out;
- FreeLibrary (lib);
- }
ws_freeaddrinfo = NULL;
ws_getaddrinfo = NULL;
ws_getnameinfo = NULL;