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tcpip_priv.h File Reference
TCPIP API internal implementations (do not use in application code) More...
Go to the source code of this file.
Functions | |
| err_t | tcpip_send_msg_wait_sem (tcpip_callback_fn fn, void *apimsg, sys_sem_t *sem) |
| Sends a message to TCPIP thread to call a function. | |
| err_t | tcpip_api_call (tcpip_api_call_fn fn, struct tcpip_api_call_data *call) |
| Synchronously calls function in TCPIP thread and waits for its completion. | |
Detailed Description
TCPIP API internal implementations (do not use in application code)
Definition in file tcpip_priv.h.
Function Documentation
| err_t tcpip_api_call | ( | tcpip_api_call_fn | fn, |
| struct tcpip_api_call_data * | call | ||
| ) |
Synchronously calls function in TCPIP thread and waits for its completion.
It is recommended to use LWIP_TCPIP_CORE_LOCKING (preferred) or LWIP_NETCONN_SEM_PER_THREAD. If not, a semaphore is created and destroyed on every call which is usually an expensive/slow operation.
- Parameters:
-
fn Function to call call Call parameters
- Returns:
- Return value from tcpip_api_call_fn
Definition at line 358 of file lwip_tcpip.c.
| err_t tcpip_send_msg_wait_sem | ( | tcpip_callback_fn | fn, |
| void * | apimsg, | ||
| sys_sem_t * | sem | ||
| ) |
Sends a message to TCPIP thread to call a function.
Caller thread blocks on on a provided semaphore, which ist NOT automatically signalled by TCPIP thread, this has to be done by the user. It is recommended to use LWIP_TCPIP_CORE_LOCKING since this is the way with least runtime overhead.
- Parameters:
-
fn function to be called from TCPIP thread apimsg argument to API function sem semaphore to wait on
- Returns:
- ERR_OK if the function was called, another err_t if not
Definition at line 322 of file lwip_tcpip.c.
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