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syscalls: 'terminal-dimension' ignores EPERM.

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Fixes <https://bugs.gnu.org/41581>.
Reported by Tobias Geerinckx-Rice <me@tobias.gr>.

* guix/build/syscalls.scm (terminal-dimension): Add EPERM to the list of
errno code for FALL-BACK.
This commit is contained in:
Ludovic Courtès 2020-05-29 16:44:27 +02:00
parent b56cbe8974
commit 17a102332a
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1 changed files with 2 additions and 2 deletions
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guix/build/syscalls.scm
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@ -2052,8 +2052,8 @@ correspond to a terminal, return the value returned by FALL-BACK."
;; would return EINVAL instead in some cases: ;; would return EINVAL instead in some cases:
;; <https://bugs.ruby-lang.org/issues/10494>. ;; <https://bugs.ruby-lang.org/issues/10494>.
;; Furthermore, some FUSE file systems like unionfs return ENOSYS for ;; Furthermore, some FUSE file systems like unionfs return ENOSYS for
;; that ioctl. ;; that ioctl, and bcachefs returns EPERM.
(if (memv errno (list ENOTTY EINVAL ENOSYS)) (if (memv errno (list ENOTTY EINVAL ENOSYS EPERM))
(fall-back) (fall-back)
(apply throw args)))))) (apply throw args))))))