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| author | Keir Fraser <keir.fraser@citrix.com> | 2009-06-03 11:09:14 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2009-06-03 11:09:14 +0100 |
| commit | 8323478d5bd96cb1c00cd67da33f59a42965d9be (patch) | |
| tree | 3d710fd5ec5b81c3e10d65a0c7208224dd23ae55 /extras/mini-os/include | |
| parent | 44d374adc01fc7cd3e516d6475dc5e9ddedf928d (diff) | |
| download | xen-8323478d5bd96cb1c00cd67da33f59a42965d9be.tar.gz xen-8323478d5bd96cb1c00cd67da33f59a42965d9be.tar.bz2 xen-8323478d5bd96cb1c00cd67da33f59a42965d9be.zip | |
minios: refactor xenbus state machine
Implement xenbus_wait_for_state_change and xenbus_switch_state and
change the various frontends to use the two functions and do proper
error checking.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Diffstat (limited to 'extras/mini-os/include')
| -rw-r--r-- | extras/mini-os/include/xenbus.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/extras/mini-os/include/xenbus.h b/extras/mini-os/include/xenbus.h index 30a1c08143..de618fcfa5 100644 --- a/extras/mini-os/include/xenbus.h +++ b/extras/mini-os/include/xenbus.h @@ -1,6 +1,8 @@ #ifndef XENBUS_H__ #define XENBUS_H__ +#include <xen/io/xenbus.h> + typedef unsigned long xenbus_transaction_t; #define XBT_NIL ((xenbus_transaction_t)0) @@ -27,6 +29,8 @@ extern struct wait_queue_head xenbus_watch_queue; void xenbus_wait_for_watch(xenbus_event_queue *queue); char **xenbus_wait_for_watch_return(xenbus_event_queue *queue); char* xenbus_wait_for_value(const char *path, const char *value, xenbus_event_queue *queue); +char *xenbus_wait_for_state_change(const char* path, XenbusState *state, xenbus_event_queue *queue); +char *xenbus_switch_state(xenbus_transaction_t xbt, const char* path, XenbusState state); /* When no token is provided, use a global queue. */ #define XENBUS_WATCH_PATH_TOKEN "xenbus_watch_path" |