+ if (fd_pair(to_child_pipe) < 0 || fd_pair(from_child_pipe) < 0) {
+ rprintf(FERROR, "pipe: %s\n", strerror(errno));
+ exit_cleanup(RERR_IPC);
+ }
+
+
+ pid = do_fork();
+ if (pid == -1) {
+ rprintf(FERROR, "fork: %s\n", strerror(errno));
+ exit_cleanup(RERR_IPC);
+ }
+
+ if (pid == 0) {
+ extern int orig_umask;
+ if (dup2(to_child_pipe[0], STDIN_FILENO) < 0 ||
+ close(to_child_pipe[1]) < 0 ||
+ close(from_child_pipe[0]) < 0 ||
+ dup2(from_child_pipe[1], STDOUT_FILENO) < 0) {
+ rprintf(FERROR, "Failed to dup/close : %s\n",
+ strerror(errno));
+ exit_cleanup(RERR_IPC);
+ }
+ if (to_child_pipe[0] != STDIN_FILENO)
+ close(to_child_pipe[0]);
+ if (from_child_pipe[1] != STDOUT_FILENO)
+ close(from_child_pipe[1]);
+ umask(orig_umask);
+ set_blocking(STDIN_FILENO);
+ if (blocking_io) {
+ set_blocking(STDOUT_FILENO);
+ }
+ execvp(command[0], command);
+ rprintf(FERROR, "Failed to exec %s : %s\n",
+ command[0], strerror(errno));
+ exit_cleanup(RERR_IPC);
+ }
+
+ if (close(from_child_pipe[1]) < 0 || close(to_child_pipe[0]) < 0) {
+ rprintf(FERROR, "Failed to close : %s\n", strerror(errno));
+ exit_cleanup(RERR_IPC);
+ }
+
+ *f_in = from_child_pipe[0];
+ *f_out = to_child_pipe[1];
+
+ return pid;
+}
+
+pid_t local_child(int argc, char **argv,int *f_in,int *f_out,
+ int (*child_main)(int, char **))
+{
+ pid_t pid;
+ int to_child_pipe[2];
+ int from_child_pipe[2];
+ extern int read_batch; /* dw */
+
+ if (fd_pair(to_child_pipe) < 0 ||
+ fd_pair(from_child_pipe) < 0) {