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socket: unlink unix socket on remove

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qemu leaves unix socket files behind when removing a listening chardev
or leaving. qemu could clean that up, even if doing so isn't race-free.

Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=1347077

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1466105332-10285-4-git-send-email-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marc-André Lureau 2016-06-16 21:28:52 +02:00 • committed by Paolo Bonzini
parent 3fa27a9a1e
commit 74b6ce43e3
4 changed files with 30 additions and 1 deletions
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18
util/qemu-sockets.c
View file

@ -997,6 +997,24 @@ int socket_listen(SocketAddress *addr, Error **errp)
return fd;
}
void socket_listen_cleanup(int fd, Error **errp)
{
SocketAddress *addr;
addr = socket_local_address(fd, errp);
if (addr->type == SOCKET_ADDRESS_KIND_UNIX
&& addr->u.q_unix.data->path) {
if (unlink(addr->u.q_unix.data->path) < 0 && errno != ENOENT) {
error_setg_errno(errp, errno,
"Failed to unlink socket %s",
addr->u.q_unix.data->path);
}
}
g_free(addr);
}
int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp)
{
int fd;