diff options
Diffstat (limited to 'conn/controlfns.go')
| -rw-r--r-- | conn/controlfns.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/conn/controlfns.go b/conn/controlfns.go index fe32871..4f7d90f 100644 --- a/conn/controlfns.go +++ b/conn/controlfns.go @@ -10,6 +10,13 @@ import ( "syscall" ) +// UDP socket read/write buffer size (7MB). The value of 7MB is chosen as it is +// the max supported by a default configuration of macOS. Some platforms will +// silently clamp the value to other maximums, such as linux clamping to +// net.core.{r,w}mem_max (see _linux.go for additional implementation that works +// around this limitation) +const socketBufferSize = 7 << 20 + // controlFn is the callback function signature from net.ListenConfig.Control. // It is used to apply platform specific configuration to the socket prior to // bind. |