diff options
author | Ludovic Courtès <ludo@gnu.org> | 2016-04-25 23:22:45 +0200 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2016-04-25 23:34:20 +0200 |
commit | 5cd25aad3cdb6c970a76542e328a3beba8c1f2c9 (patch) | |
tree | c2edfdb472236ea9145756b7da82ce32174da22e /guix/build/syscalls.scm | |
parent | 0054e47036b13d46f0f026bbc04d19770c2ecbad (diff) |
syscalls: 'terminal-columns' catches EINVAL on the TIOCGWINSZ ioctl.
Reported by Mark H Weaver <mhw@netris.org>.
* guix/build/syscalls.scm (terminal-columns): Tolerate EINVAL.
* tests/syscalls.scm ("terminal-window-size ENOTTY"): Likewise.
Diffstat (limited to 'guix/build/syscalls.scm')
-rw-r--r-- | guix/build/syscalls.scm | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/guix/build/syscalls.scm b/guix/build/syscalls.scm index d168293ee4..6cdf65304d 100644 --- a/guix/build/syscalls.scm +++ b/guix/build/syscalls.scm @@ -1034,7 +1034,10 @@ always a positive integer." (fall-back))) (lambda args (let ((errno (system-error-errno args))) - (if (= errno ENOTTY) + ;; ENOTTY is what we're after but 2012-and-earlier Linux versions + ;; would return EINVAL instead in some cases: + ;; <https://bugs.ruby-lang.org/issues/10494>. + (if (or (= errno ENOTTY) (= errno EINVAL)) (fall-back) (apply throw args)))))) |