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Diffstat (limited to 'tests/misc/nohup.sh')
| -rwxr-xr-x | tests/misc/nohup.sh | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tests/misc/nohup.sh b/tests/misc/nohup.sh index 6d2b51530..2328b43e2 100755 --- a/tests/misc/nohup.sh +++ b/tests/misc/nohup.sh @@ -63,6 +63,11 @@ rm -f nohup.out err # to stderr must be fatal. Requires stdout to be terminal. if test -w /dev/full && test -c /dev/full; then ( + # POSIX shells immediately exit the subshell on exec error. + # So check we can write to /dev/tty before the exec, which + # isn't possible if we've no controlling tty for example. + test -c /dev/tty && >/dev/tty || exit 0 + exec >/dev/tty test -t 1 || exit 0 nohup echo hi 2> /dev/full |