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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2007-05-12 18:09:24 +1000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2007-05-12 18:09:24 +1000 |
| commit | ce0f1900d869066e52a33d58f399c6a9d7ae659d (patch) | |
| tree | dff08e5aecd39e5b9b4b4a7edd642d565cf7f09b /src/funcs/pushd | |
| parent | [REDIR] Remove redundant CLOEXEC calls (diff) | |
| download | dash-ce0f1900d869066e52a33d58f399c6a9d7ae659d.tar.gz dash-ce0f1900d869066e52a33d58f399c6a9d7ae659d.zip | |
[REDIR] Fix redirect restore on saved file descriptors
As it stands if a redirection occurs on a file descriptor that was previously closed, it won't be closed after that redirection goes out of effect. This is because we don't keep track of closed file descriptors properly as we do for open ones. This patch fixes this by introducing two new states, CLOSED and REALLY_CLOSED. The first represents an initially closed descriptor which is now open while the second one represents an initally closed descriptor which is now closed. This patch is based on work by Rainer Weikusat.
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