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netutils/dhcpc: add non-blocking interface

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Signed-off-by: songlinzhang <songlinzhang@xiaomi.com>
This commit is contained in:
songlinzhang 2021-10-11 15:43:26 +08:00 • committed by Xiang Xiao
parent c9f736005a
commit e0fc53b23c
2 changed files with 145 additions and 11 deletions
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4
include/netutils/dhcpc.h
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@ -63,6 +63,8 @@ struct dhcpc_state
uint32_t lease_time; /* Lease expires in this number of seconds */
};
typedef void (*dhcpc_callback_t)(FAR struct dhcpc_state *presult);
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
@ -78,6 +80,8 @@ extern "C"
FAR void *dhcpc_open(FAR const char *interface,
FAR const void *mac_addr, int mac_len);
int dhcpc_request(FAR void *handle, FAR struct dhcpc_state *presult);
int dhcpc_request_async(FAR void *handle, dhcpc_callback_t callback);
void dhcpc_cancel(FAR void *handle);
void dhcpc_close(FAR void *handle);
#undef EXTERN