diff options
Diffstat (limited to 'include/sysemu/char.h')
| -rw-r--r-- | include/sysemu/char.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/sysemu/char.h b/include/sysemu/char.h index 5281123c9a..1aa080e00a 100644 --- a/include/sysemu/char.h +++ b/include/sysemu/char.h @@ -62,6 +62,7 @@ struct CharDriverState { 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 (*set_msgfds)(struct CharDriverState *s, int *fds, int num); int (*chr_add_client)(struct CharDriverState *chr, int fd); IOEventHandler *chr_event; IOCanReadHandler *chr_can_read; @@ -229,6 +230,19 @@ int qemu_chr_fe_ioctl(CharDriverState *s, int cmd, void *arg); int qemu_chr_fe_get_msgfd(CharDriverState *s); /** + * @qemu_chr_fe_set_msgfds: + * + * For backends capable of fd passing, set an array of fds to be passed with + * the next send operation. + * A subsequent call to this function before calling a write function will + * result in overwriting the fd array with the new value without being send. + * Upon writing the message the fd array is freed. + * + * Returns: -1 if fd passing isn't supported. + */ +int qemu_chr_fe_set_msgfds(CharDriverState *s, int *fds, int num); + +/** * @qemu_chr_fe_claim: * * Claim a backend before using it, should be called before calling |