1#include <spawn.h>
2#include <stdlib.h>
3#include <errno.h>
4#include "fdop.h"
5#include <unsupported_api.h>
6
7int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *fa, int srcfd, int fd)
8{
9	if (srcfd < 0 || fd < 0) return EBADF;
10	UNSUPPORTED_API_VOID(LITEOS_A);
11	struct fdop *op = malloc(sizeof *op);
12	if (!op) return ENOMEM;
13	op->cmd = FDOP_DUP2;
14	op->srcfd = srcfd;
15	op->fd = fd;
16	if ((op->next = fa->__actions)) op->next->prev = op;
17	op->prev = 0;
18	fa->__actions = op;
19	return 0;
20}
21