diff options
Diffstat (limited to 'src/lib/net/socketpair.c')
| -rw-r--r-- | src/lib/net/socketpair.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/lib/net/socketpair.c b/src/lib/net/socketpair.c index 10eb749735..f3a0c3770a 100644 --- a/src/lib/net/socketpair.c +++ b/src/lib/net/socketpair.c @@ -22,11 +22,11 @@ #include <windows.h> #define socket_errno() (WSAGetLastError()) #define SOCKET_EPROTONOSUPPORT WSAEPROTONOSUPPORT -#else +#else /* !defined(_WIN32) */ #define closesocket(x) close(x) #define socket_errno() (errno) #define SOCKET_EPROTONOSUPPORT EPROTONOSUPPORT -#endif +#endif /* defined(_WIN32) */ #ifdef NEED_ERSATZ_SOCKETPAIR @@ -105,7 +105,12 @@ sockaddr_eq(struct sockaddr *sa1, struct sockaddr *sa2) /** * Helper used to implement socketpair on systems that lack it, by * making a direct connection to localhost. - */ + * + * See tor_socketpair() for details. + * + * The direct connection defaults to IPv4, but falls back to IPv6 if + * IPv4 is not supported. + **/ int tor_ersatz_socketpair(int family, int type, int protocol, tor_socket_t fd[2]) { |