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socket-util: Avoid using sendmsg on Windows

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Sendmsg is not used under Windows.

While it does have a sort of equivalent called `WSASendMsg`
(https://msdn.microsoft.com/en-us/library/windows/desktop/ms741692(v=vs.85).aspx)
it uses a different structure `WSAMSG` instead of the normal msghdr which
in turn will have to be mapped properly (this goes further to iovec/wsabuf in the
structure itself).

Fixes broken build on Windows.

Signed-off-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Shashank Ram <rams@vmware.com>
This commit is contained in:
Alin Serdean
2017-07-13 20:54:08 +00:00
committed by Ben Pfaff
parent d564c4bb53
commit 7f918dca84
1 changed files with 2 additions and 0 deletions
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2
lib/socket-util.c
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@@ -1021,6 +1021,7 @@ sock_strerror(int error)
#endif
}
#ifndef _WIN32 //Avoid using sendmsg on Windows entirely
static int
emulate_sendmmsg(int fd, struct mmsghdr *msgs, unsigned int n,
unsigned int flags)
@@ -1058,3 +1059,4 @@ wrap_sendmmsg(int fd, struct mmsghdr *msgs, unsigned int n, unsigned int flags)
return emulate_sendmmsg(fd, msgs, n, flags);
}
#endif
#endif