+
+/*
+ * We cannot pass the td data into a forked process, so attach the td and
+ * pass it to the thread worker.
+ */
+static int fork_main(struct sk_out *sk_out, int shmid, int offset)
+{
+ struct fork_data *fd;
+ void *data, *ret;
+
+#if !defined(__hpux) && !defined(CONFIG_NO_SHM)
+ data = shmat(shmid, NULL, 0);
+ if (data == (void *) -1) {
+ int __err = errno;
+
+ perror("shmat");
+ return __err;
+ }
+#else
+ /*
+ * HP-UX inherits shm mappings?
+ */
+ data = threads;
+#endif
+
+ fd = calloc(1, sizeof(*fd));
+ fd->td = data + offset * sizeof(struct thread_data);
+ fd->sk_out = sk_out;
+ ret = thread_main(fd);
+ shmdt(data);
+ return (int) (uintptr_t) ret;
+}
+