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char: add qemu_chr_free()

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If a chardev is allowed to be created outside of QMP, then it must be
also possible to free it. This is useful for ivshmem that creates
chardev anonymously and must be able to free them.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
This commit is contained in:
Marc-André Lureau 2015-06-22 18:20:18 +02:00
parent bbfc2efefe
commit 1ad78ea51a
2 changed files with 16 additions and 3 deletions
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10
include/sysemu/char.h
View file

@ -128,10 +128,18 @@ CharDriverState *qemu_chr_new(const char *label, const char *filename,
/**
* @qemu_chr_delete:
*
* Destroy a character backend.
* Destroy a character backend and remove it from the list of
* identified character backends.
*/
void qemu_chr_delete(CharDriverState *chr);
/**
* @qemu_chr_free:
*
* Destroy a character backend.
*/
void qemu_chr_free(CharDriverState *chr);
/**
* @qemu_chr_fe_set_echo:
*

9
qemu-char.c
View file

@ -3876,9 +3876,8 @@ void qemu_chr_fe_release(CharDriverState *s)
s->avail_connections++;
}
void qemu_chr_delete(CharDriverState *chr)
void qemu_chr_free(CharDriverState *chr)
{
QTAILQ_REMOVE(&chardevs, chr, next);
if (chr->chr_close) {
chr->chr_close(chr);
}
@ -3888,6 +3887,12 @@ void qemu_chr_delete(CharDriverState *chr)
g_free(chr);
}
void qemu_chr_delete(CharDriverState *chr)
{
QTAILQ_REMOVE(&chardevs, chr, next);
qemu_chr_free(chr);
}
ChardevInfoList *qmp_query_chardev(Error **errp)
{
ChardevInfoList *chr_list = NULL;