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-rw-r--r--ports/unix/guts/dup2.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/ports/unix/guts/dup2.c b/ports/unix/guts/dup2.c
new file mode 100644
index 0000000..04666d1
--- /dev/null
+++ b/ports/unix/guts/dup2.c
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2008-2010 Wind River Systems; see
+ * guts/COPYRIGHT for information.
+ *
+ * static int
+ * wrap_dup2(int oldfd, int newfd) {
+ * int rc = -1;
+ */
+ int save_errno;
+
+ /* close existing one first - this also causes the socket to the
+ * server to get moved around if someone tries to overwrite it. */
+ pseudo_debug(2, "dup2: %d->%d\n", oldfd, newfd);
+ pseudo_client_op(OP_CLOSE, 0, newfd, -1, 0, 0);
+ rc = real_dup2(oldfd, newfd);
+ save_errno = errno;
+ pseudo_client_op(OP_DUP, 0, oldfd, newfd, 0, 0);
+ errno = save_errno;
+
+/* return rc;
+ * }
+ */