improve SOCK_NONBLOCK/SOCK_CLOEXEC fallback code

[musl] / src / network / socket.c

diff --git a/src/network/socket.c b/src/network/socket.c
index ba8d45b..51be30e 100644 (file)
--- a/src/network/socket.c
+++ b/src/network/socket.c
@@ -6,7 +6,8 @@
 int socket(int domain, int type, int protocol)
 {
        int s = socketcall(socket, domain, type, protocol, 0, 0, 0);
 int socket(int domain, int type, int protocol)
 {
        int s = socketcall(socket, domain, type, protocol, 0, 0, 0);

-       if (s<0 && errno==EINVAL && (type&(SOCK_CLOEXEC|SOCK_NONBLOCK))) {
+       if (s<0 && (errno==EINVAL || errno==EPROTONOSUPPORT)
+           && (type&(SOCK_CLOEXEC|SOCK_NONBLOCK))) {

                s = socketcall(socket, domain,
                        type & ~(SOCK_CLOEXEC|SOCK_NONBLOCK),
                        protocol, 0, 0, 0);
                s = socketcall(socket, domain,
                        type & ~(SOCK_CLOEXEC|SOCK_NONBLOCK),
                        protocol, 0, 0, 0);