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Cygwin: tcp: fix IPPROTO_TCP option handling

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- Drop definitions from <cygwin/sockets.h>
- Drop options only available on BSD
- Fix value of TCP_MAXSEG.  It was still defined as the BSD value
  while WinSock uses another value
- Handle the fact that TCP_MAXSEG is a R/O value in WinSock

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen
2020-06-30 13:33:57 +02:00
parent c11b0343c0
commit e037192b50
3 changed files with 16 additions and 11 deletions
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6
winsup/cygwin/include/cygwin/socket.h
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@ -300,12 +300,6 @@ struct OLD_msghdr
/* IPX options */
#define IPX_TYPE 1
/* TCP options - this way around because someone left a set in the c library includes */
#ifndef TCP_NODELAY
#define TCP_NODELAY 0x0001
#define TCP_MAXSEG 2
#endif
/* SUS symbolic values for the second parm to shutdown(2) */
#define SHUT_RD 0 /* == Win32 SD_RECEIVE */
#define SHUT_WR 1 /* == Win32 SD_SEND */