add file actions support to posix_spawn

1 files changed, 16 insertions, 0 deletions

diff --git a/src/process/posix_spawn_file_actions_adddup2.c b/src/process/posix_spawn_file_actions_adddup2.c
new file mode 100644
index 00000000..9209ee7c
--- /dev/null
+++ b/src/process/posix_spawn_file_actions_adddup2.c
@@ -0,0 +1,16 @@
+#include <spawn.h>
+#include <stdlib.h>
+#include <errno.h>
+#include "fdop.h"
+
+int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *fa, int fd, int newfd)
+{
+	struct fdop *op = malloc(sizeof *op);
+	if (!op) return ENOMEM;
+	op->cmd = FDOP_DUP2;
+	op->fd = fd;
+	op->newfd = newfd;
+	op->next = fa->__actions;
+	fa->__actions = op;
+	return 0;
+}