diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/OS/os.h-Linux | 4 | ||||
| -rw-r--r-- | src/src/ip.c | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/src/OS/os.h-Linux b/src/OS/os.h-Linux index 6400e798e..510865c66 100644 --- a/src/OS/os.h-Linux +++ b/src/OS/os.h-Linux @@ -69,5 +69,9 @@ then change the 0 to 1 in the next block. */ # define EXIM_HAVE_OPENAT #endif +#if defined(TCP_FASTOPEN) && !defined(MSG_FASTOPEN) +# define MSG_FASTOPEN 0x20000000 +#endif + /* End */ diff --git a/src/src/ip.c b/src/src/ip.c index b744f5d4c..a8230a149 100644 --- a/src/src/ip.c +++ b/src/src/ip.c @@ -224,7 +224,7 @@ callout_address = string_sprintf("[%s]:%d", address, port); sigalrm_seen = FALSE; if (timeout > 0) alarm(timeout); -#ifdef TCP_FASTOPEN +#if defined(TCP_FASTOPEN) && defined(MSG_FASTOPEN) /* TCP Fast Open, if the system has a cookie from a previous call to this peer, can send data in the SYN packet. The peer can send data before it gets our ACK of its SYN,ACK - the latter is useful for |