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Cygwin: AF_UNIX: Implement read, readv, recvfrom, write, writev, sendto

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All of these functions just call recvfrom/sendmsg which are still TODO

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2018-03-07 21:53:56 +01:00
parent d7f7d292d8
commit 5bb4cc1e6c
1 changed files with 90 additions and 22 deletions
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112
winsup/cygwin/fhandler_socket_unix.cc
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@ -1545,18 +1545,33 @@ fhandler_socket_unix::getpeereid (pid_t *pid, uid_t *euid, gid_t *egid)
} }
ssize_t ssize_t
fhandler_socket_unix::recvfrom (void *ptr, size_t len, int flags, fhandler_socket_unix::recvmsg (struct msghdr *msg, int flags)
struct sockaddr *from, int *fromlen)
{ {
set_errno (EAFNOSUPPORT); set_errno (EAFNOSUPPORT);
return -1; return -1;
} }
ssize_t ssize_t
fhandler_socket_unix::recvmsg (struct msghdr *msg, int flags) fhandler_socket_unix::recvfrom (void *ptr, size_t len, int flags,
struct sockaddr *from, int *fromlen)
{ {
set_errno (EAFNOSUPPORT); struct iovec iov;
return -1; struct msghdr msg;
ssize_t ret;
iov.iov_base = ptr;
iov.iov_len = len;
msg.msg_name = from;
msg.msg_namelen = from && fromlen ? *fromlen : 0;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
ret = recvmsg (&msg, flags);
if (ret >= 0 && from && fromlen)
*fromlen = msg.msg_namelen;
return ret;
} }
void __reg3 void __reg3
@ -1564,21 +1579,35 @@ fhandler_socket_unix::read (void *ptr, size_t& len)
{ {
set_errno (EAFNOSUPPORT); set_errno (EAFNOSUPPORT);
len = 0; len = 0;
struct iovec iov;
struct msghdr msg;
iov.iov_base = ptr;
iov.iov_len = len;
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
len = recvmsg (&msg, 0);
} }
ssize_t __stdcall ssize_t __stdcall
fhandler_socket_unix::readv (const struct iovec *, int iovcnt, ssize_t tot) fhandler_socket_unix::readv (const struct iovec *const iov, int iovcnt,
ssize_t tot)
{ {
set_errno (EAFNOSUPPORT); struct msghdr msg;
return -1;
}
ssize_t msg.msg_name = NULL;
fhandler_socket_unix::sendto (const void *in_ptr, size_t len, int flags, msg.msg_namelen = 0;
const struct sockaddr *to, int tolen) msg.msg_iov = (struct iovec *) iov;
{ msg.msg_iovlen = iovcnt;
set_errno (EAFNOSUPPORT); msg.msg_control = NULL;
return -1; msg.msg_controllen = 0;
msg.msg_flags = 0;
return recvmsg (&msg, 0);
} }
ssize_t ssize_t
@ -1588,18 +1617,57 @@ fhandler_socket_unix::sendmsg (const struct msghdr *msg, int flags)
return -1; return -1;
} }
ssize_t __stdcall ssize_t
fhandler_socket_unix::write (const void *ptr, size_t len) fhandler_socket_unix::sendto (const void *in_ptr, size_t len, int flags,
const struct sockaddr *to, int tolen)
{ {
set_errno (EAFNOSUPPORT); struct iovec iov;
return -1; struct msghdr msg;
iov.iov_base = (void *) in_ptr;
iov.iov_len = len;
msg.msg_name = (void *) to;
msg.msg_namelen = to ? tolen : 0;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
return sendmsg (&msg, flags);
} }
ssize_t __stdcall ssize_t __stdcall
fhandler_socket_unix::writev (const struct iovec *, int iovcnt, ssize_t tot) fhandler_socket_unix::write (const void *ptr, size_t len)
{ {
set_errno (EAFNOSUPPORT); struct iovec iov;
return -1; struct msghdr msg;
iov.iov_base = (void *) ptr;
iov.iov_len = len;
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
return sendmsg (&msg, 0);
}
ssize_t __stdcall
fhandler_socket_unix::writev (const struct iovec *const iov, int iovcnt,
ssize_t tot)
{
struct msghdr msg;
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_iov = (struct iovec *) iov;
msg.msg_iovlen = iovcnt;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
return sendmsg (&msg, 0);
} }
int int