int INTERPOSE(socket)(int domain, int type, int protocol)
{
__real_socket_init();
const bool bypass_filter = getenv("SIXJACK_BYPASS") != NULL;
int ret = 0;
int ret_errno = 0;
bool bypass_call = false;
FilterReplyResultBase rb = {
.pre = true, .ret = &ret, .ret_errno = &ret_errno, .fd = -1
};
if (bypass_filter == false && (rb.filter = filter_get()) &&
filter_apply(&rb, &domain, &type, &protocol)
== FILTER_REPLY_BYPASS) {
bypass_call = true;
}
if (bypass_call == false) {
ret = __real_socket(domain, type, protocol);
ret_errno = errno;
}
if (bypass_filter == false) {
rb.fd = ret;
rb.pre = false;
filter_apply(&rb, &domain, &type, &protocol);
}
errno = ret_errno;
return ret;
}
int __wrap_socket(int protocol_family, int socket_type, int protocol)
{
int ret;
ret = XENOMAI_SKINCALL3(__pse51_rtdm_muxid,
__rtdm_socket,
protocol_family, socket_type, protocol);
if (ret >= 0)
ret += __pse51_rtdm_fd_start;
else if (ret == -EAFNOSUPPORT || ret == -EPROTONOSUPPORT ||
ret == -ENOSYS) {
ret = __real_socket(protocol_family, socket_type, protocol);
if (ret >= __pse51_rtdm_fd_start) {
__real_close(ret);
errno = -EMFILE;
ret = -1;
}
} else {
errno = -ret;
ret = -1;
}
return ret;
}
