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Added a better comment to explain why tcp_close doesn't care for the return value of tcp_output

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goldsimon 2007-07-26 09:31:09 +00:00
parent f4036e8352
commit 33054a18db
1 changed files with 7 additions and 14 deletions
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21
src/core/tcp.c
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@ -190,10 +190,13 @@ tcp_close(struct tcp_pcb *pcb)
}
if (pcb != NULL && err == ERR_OK) {
/* @todo: to ensure all has been sent when tcp_close returns, we have to
make sure tcp_output doesn't fail.
For now (and as long as we don't need this (no LINGER)), it's enough
to let the TCP timers deal with this. */
/* To ensure all data has been sent when tcp_close returns, we have
to make sure tcp_output doesn't fail.
Since we don't really have to ensure all data has been sent when tcp_close
returns (unsent data is sent from tcp timer functions, also), we don't care
for the return value of tcp_output for now. */
/* @todo: When implementing SO_LINGER, this must be changed somehow:
If SOF_LINGER is set, the data should be sent when tcp_close returns. */
tcp_output(pcb);
}
return err;
@ -1320,13 +1323,3 @@ tcp_pcbs_sane(void)
}
#endif /* TCP_DEBUG */
#endif /* LWIP_TCP */