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qemu-char: add qemu_chr_disconnect to close a fd accepted by listen fd

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The patch introduces qemu_chr_disconnect(). The function is used for
closing a fd accepted by listen fd. Though we already have qemu_chr_delete(),
but it closes not only accepted fd but also listen fd. This new function
is used when we still want to keep listen fd.

Signed-off-by: Tetsuya Mukawa <mukawa@igel.co.jp>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Tested-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Reviewed-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Reviewed-by: Victor Kaplansky <victork@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Tetsuya Mukawa 2016-06-06 18:45:02 +02:00 • committed by Michael S. Tsirkin
parent 523b018dde
commit 7d9d17f71e
2 changed files with 15 additions and 0 deletions
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8
qemu-char.c
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@ -4012,6 +4012,13 @@ void qemu_chr_fe_release(CharDriverState *s)
s->avail_connections++;
}
void qemu_chr_disconnect(CharDriverState *chr)
{
if (chr->chr_disconnect) {
chr->chr_disconnect(chr);
}
}
static void qemu_chr_free_common(CharDriverState *chr)
{
g_free(chr->filename);
@ -4389,6 +4396,7 @@ static CharDriverState *qmp_chardev_open_socket(const char *id,
chr->chr_write = tcp_chr_write;
chr->chr_sync_read = tcp_chr_sync_read;
chr->chr_close = tcp_chr_close;
chr->chr_disconnect = tcp_chr_disconnect;
chr->get_msgfds = tcp_get_msgfds;
chr->set_msgfds = tcp_set_msgfds;
chr->chr_add_client = tcp_chr_add_client;