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Diffstat (limited to 'src/pkg/net/sock_bsd.go')
| -rw-r--r-- | src/pkg/net/sock_bsd.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/pkg/net/sock_bsd.go b/src/pkg/net/sock_bsd.go index 3205f9404..d99349265 100644 --- a/src/pkg/net/sock_bsd.go +++ b/src/pkg/net/sock_bsd.go @@ -27,5 +27,11 @@ func maxListenerBacklog() int { if n == 0 || err != nil { return syscall.SOMAXCONN } + // FreeBSD stores the backlog in a uint16, as does Linux. + // Assume the other BSDs do too. Truncate number to avoid wrapping. + // See issue 5030. + if n > 1<<16-1 { + n = 1<<16 - 1 + } return int(n) } |