add LINGER to menuconfig
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2 changed files with 19 additions and 0 deletions
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@ -65,6 +65,20 @@ menu "LWIP"
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will be redirected to lwip_select(), therefore, select can be used
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for sockets only.
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config LWIP_SO_LINGER
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bool "Enable SO_LINGER processing"
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default n
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help
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Enabling this option allows SO_LINGER processing.
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l_onoff = 1,l_linger can set the timeout.
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If l_linger=0, When a connection is closed, TCP will terminate the connection.
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This means that TCP will discard any data packets stored in the socket send buffer
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and send an RST to the peer.
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If l_linger!=0,Then closesocket() calls to block the process until
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the remaining data packets has been sent or timed out.
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config LWIP_SO_REUSE
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bool "Enable SO_REUSEADDR option"
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default y
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@ -545,6 +545,11 @@
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*/
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#define LWIP_TCP_KEEPALIVE 1
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/**
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* LWIP_SO_LINGER==1: Enable SO_LINGER processing.
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*/
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#define LWIP_SO_LINGER CONFIG_LWIP_SO_LINGER
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/**
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* LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing.
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*/
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