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Code Issues Releases Wiki Activity

rtnetlink: Document.

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This commit is contained in:
Ben Pfaff
2009-07-28 12:38:14 -07:00
parent 46097491e4
commit d81c0ac56d
2 changed files with 23 additions and 2 deletions
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15
lib/netdev-linux.c
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@@ -1605,6 +1605,15 @@ static void rtnetlink_report_change(const struct nlmsghdr *,
struct nlattr *attrs[]);
static void rtnetlink_report_notify_error(void);
/* Registers 'cb' to be called with auxiliary data 'aux' with network device
* change notifications. The notifier is stored in 'notifier', which the
* caller must not modify or free.
*
* This is probably not the function that you want. You should probably be
* using dpif_port_poll() or netdev_monitor_create(), which unlike this
* function are not Linux-specific.
*
* Returns 0 if successful, otherwise a positive errno value. */
int
rtnetlink_notifier_register(struct rtnetlink_notifier *notifier,
rtnetlink_notify_func *cb, void *aux)
@@ -1629,6 +1638,8 @@ rtnetlink_notifier_register(struct rtnetlink_notifier *notifier,
return 0;
}
/* Cancels notification on 'notifier', which must have previously been
* registered with lxnetdev_notifier_register(). */
void
rtnetlink_notifier_unregister(struct rtnetlink_notifier *notifier)
{
@@ -1639,6 +1650,8 @@ rtnetlink_notifier_unregister(struct rtnetlink_notifier *notifier)
}
}
/* Calls all of the registered notifiers, passing along any as-yet-unreported
* netdev change events. */
void
rtnetlink_notifier_run(void)
{
@@ -1681,6 +1694,8 @@ rtnetlink_notifier_run(void)
}
}
/* Causes poll_block() to wake up when network device change notifications are
* ready. */
void
rtnetlink_notifier_wait(void)
{