OS/2's TCP/IP stack supports AF_UNIX sockets, with the limitation that

the socket name must start with /socket32/.  Unlike Unix systems, this
file never exists in the file system.

diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 7beb1cfa869157e805b655e1abd9b0dbbfbb7b05..d97303324edf3e35851216fc60cacf17627b04a1 100644 (file)
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -874,7 +874,7 @@ makesockaddr(int sockfd, struct sockaddr *addr, int addrlen)
                return ret;
        }
 
-#if defined(AF_UNIX) && !defined(PYOS_OS2)
+#if defined(AF_UNIX)
        case AF_UNIX:
        {
                struct sockaddr_un *a = (struct sockaddr_un *) addr;
@@ -948,7 +948,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
 {
        switch (s->sock_family) {
 
-#if defined(AF_UNIX) && !defined(PYOS_OS2)
+#if defined(AF_UNIX)
        case AF_UNIX:
        {
                struct sockaddr_un* addr;
@@ -1143,7 +1143,7 @@ getsockaddrlen(PySocketSockObject *s, socklen_t *len_ret)
 {
        switch (s->sock_family) {
 
-#if defined(AF_UNIX) && !defined(PYOS_OS2)
+#if defined(AF_UNIX)
        case AF_UNIX:
        {
                *len_ret = sizeof (struct sockaddr_un);
@@ -3649,7 +3649,7 @@ init_socket(void)
 #ifdef AF_INET6
        PyModule_AddIntConstant(m, "AF_INET6", AF_INET6);
 #endif /* AF_INET6 */
-#if defined(AF_UNIX) && !defined(PYOS_OS2)
+#if defined(AF_UNIX)
        PyModule_AddIntConstant(m, "AF_UNIX", AF_UNIX);
 #endif /* AF_UNIX */
 #ifdef AF_AX25