[lwip-devel] [patch #5865] Fix missing lwip directory in socket.h including path

[Tai-hwa Liang]

Follow-up Comment #5, patch #5865 (project lwip):

I guess that one of the reason to put TCP_NODELAY inside tcp.h is to keep all
user-settable options together, as commented in lwip/tcp.h:

/*
 * User-settable options (used with setsockopt).
 */
#define TCP_NODELAY    0x01    /* don't delay send to coalesce packets */
#define TCP_KEEPALIVE  0x02    /* send KEEPALIVE probes when idle for
pcb->keep_
idle milliseconds */

#define TCP_KEEPIDLE   0x03    /* set pcb->keep_idle  - Same as
TCP_KEEPALIVE, b
ut use seconds for get/setsockopt*/
#define TCP_KEEPINTVL  0x04    /* set pcb->keep_intvl - Use seconds for
get/sets
ockopt */
#define TCP_KEEPCNT    0x05    /* set pcb->keep_cnt   - Use number of probes
sen
t for get/setsockopt */

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