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Implement LWIP core locking support in tcpip_callback_with_block()

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Created two new functions for API cleanup:
tcpip_callback() that blocks until message is posted, cannot be called from IRQs.
tcpip_try_callback() that does not block and just tries to post a message. Can be called from IRQs.
Add compatibility #define tcpip_callback_with_block() that maps to these two functions according to "block" parameter.
This commit is contained in:
Dirk Ziegelmeier
2017-06-21 13:42:54 +02:00
parent 79d69ce526
commit 68d36f19f0
2 changed files with 57 additions and 15 deletions
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10
src/include/lwip/tcpip.h
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@@ -77,12 +77,10 @@ void tcpip_init(tcpip_init_done_fn tcpip_init_done, void *arg);
err_t tcpip_inpkt(struct pbuf *p, struct netif *inp, netif_input_fn input_fn);
err_t tcpip_input(struct pbuf *p, struct netif *inp);
err_t tcpip_callback_with_block(tcpip_callback_fn function, void *ctx, u8_t block);
/**
* @ingroup lwip_os
* @see tcpip_callback_with_block
*/
#define tcpip_callback(f, ctx) tcpip_callback_with_block(f, ctx, 1)
err_t tcpip_try_callback(tcpip_callback_fn function, void *ctx);
err_t tcpip_callback(tcpip_callback_fn function, void *ctx);
/* for compatibility with older lwIP versions */
#define tcpip_callback_with_block(function, ctx, block) ((block != 0)? tcpip_callback(function, ctx) : tcpip_try_callback(function, ctx))
struct tcpip_callback_msg* tcpip_callbackmsg_new(tcpip_callback_fn function, void *ctx);
void tcpip_callbackmsg_delete(struct tcpip_callback_msg* msg);