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-rw-r--r--Src/exec.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/Src/exec.c b/Src/exec.c
index 3d0731b3e..2c644e6b7 100644
--- a/Src/exec.c
+++ b/Src/exec.c
@@ -2912,6 +2912,7 @@ execcmd(Estate state, int input, int output, int how, int last1)
}
addfd(forked, save, mfds, fn->fd1, fn->fd2, 1, fn->varid);
} else {
+ int closed;
if (fn->type != REDIR_HERESTR && xpandredir(fn, redir))
continue;
if (errflag) {
@@ -3002,11 +3003,20 @@ execcmd(Estate state, int input, int output, int how, int last1)
* Note we may attempt to close an fd beyond max_zsh_fd:
* OK as long as we never look in fdtable for it.
*/
- if (!forked && fn->fd1 < 10 && save[fn->fd1] == -2)
+ closed = 0;
+ if (!forked && fn->fd1 < 10 && save[fn->fd1] == -2) {
save[fn->fd1] = movefd(fn->fd1);
+ if (save[fn->fd1] >= 0) {
+ /*
+ * The original fd is now closed, we don't need
+ * to do it below.
+ */
+ closed = 1;
+ }
+ }
if (fn->fd1 < 10)
closemn(mfds, fn->fd1);
- if (zclose(fn->fd1) < 0) {
+ if (!closed && zclose(fn->fd1) < 0) {
zwarn("failed to close file descriptor %d: %e",
fn->fd1, errno);
}