diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/sysemu/char.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/include/sysemu/char.h b/include/sysemu/char.h index 1aa080e00a..930aaf1abe 100644 --- a/include/sysemu/char.h +++ b/include/sysemu/char.h @@ -61,7 +61,7 @@ struct CharDriverState { GSource *(*chr_add_watch)(struct CharDriverState *s, GIOCondition cond); void (*chr_update_read_handler)(struct CharDriverState *s); int (*chr_ioctl)(struct CharDriverState *s, int cmd, void *arg); - int (*get_msgfd)(struct CharDriverState *s); + int (*get_msgfds)(struct CharDriverState *s, int* fds, int num); int (*set_msgfds)(struct CharDriverState *s, int *fds, int num); int (*chr_add_client)(struct CharDriverState *chr, int fd); IOEventHandler *chr_event; @@ -230,6 +230,19 @@ int qemu_chr_fe_ioctl(CharDriverState *s, int cmd, void *arg); int qemu_chr_fe_get_msgfd(CharDriverState *s); /** + * @qemu_chr_fe_get_msgfds: + * + * For backends capable of fd passing, return the number of file received + * descriptors and fills the fds array up to num elements + * + * Returns: -1 if fd passing isn't supported or there are no pending file + * descriptors. If file descriptors are returned, subsequent calls to + * this function will return -1 until a client sends a new set of file + * descriptors. + */ +int qemu_chr_fe_get_msgfds(CharDriverState *s, int *fds, int num); + +/** * @qemu_chr_fe_set_msgfds: * * For backends capable of fd passing, set an array of fds to be passed with |