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networkd: netdev - introduce LINGER state and netdev_drop()

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We need the LINGER state in case we still have references to the netdev after it has been dropped.
This commit is contained in:
Tom Gundersen 2014-05-08 20:42:22 +02:00
parent 59cb64e625
commit 2cc7e981af
2 changed files with 15 additions and 0 deletions
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13
src/network/networkd-netdev.c
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@ -108,6 +108,19 @@ NetDev *netdev_ref(NetDev *netdev) {
return netdev;
}
void netdev_drop(NetDev *netdev) {
if (!netdev || netdev->state == NETDEV_STATE_LINGER)
return;
netdev->state = NETDEV_STATE_LINGER;
netdev_cancel_callbacks(netdev);
netdev_unref(netdev);
return;
}
int netdev_get(Manager *manager, const char *name, NetDev **ret) {
NetDev *netdev;

2
src/network/networkd.h
View File

@ -76,6 +76,7 @@ typedef enum NetDevState {
NETDEV_STATE_FAILED,
NETDEV_STATE_CREATING,
NETDEV_STATE_READY,
NETDEV_STATE_LINGER,
_NETDEV_STATE_MAX,
_NETDEV_STATE_INVALID = -1,
} NetDevState;
@ -271,6 +272,7 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
/* NetDev */
int netdev_load(Manager *manager);
void netdev_drop(NetDev *netdev);
NetDev *netdev_unref(NetDev *netdev);
NetDev *netdev_ref(NetDev *netdev);