CC-tea/coreutils
1
0
Fork 0
mirror of git://git.sv.gnu.org/coreutils.git synced 2026-04-13 07:15:50 +02:00
Code Issues Projects Releases Wiki Activity

tests: yes: support more zero-copy related syscalls

Browse Source 
* tests/misc/yes.sh: Disable other related zero-copy syscalls
to ensure better testing of future or other implementations.
https://github.com/coreutils/coreutils/pull/227
This commit is contained in:
oech3
2026-03-23 22:28:22 +09:00
committed by Pádraig Brady
parent 430822d5f7
commit c495cbcfe2
1 changed files with 13 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
tests/misc/yes.sh
View File

@@ -63,10 +63,19 @@ if timeout 10 true; then
test $? = 124 || fail=1
fi
# Ensure we fallback to write() if there is an issue with vmsplice
no_vmsplice() { strace -f -o /dev/null -e inject=vmsplice:error=ENOSYS "$@"; }
if no_vmsplice true; then
test "$(no_vmsplice yes | head -n2 | paste -s -d '')" = 'yy' || fail=1
# Ensure we fallback to write() if there is an issue with (async) zero-copy
zc_syscalls='io_uring_setup io_uring_enter io_uring_register memfd_create
sendfile splice tee vmsplice'
syscalls=$(
for s in $zc_syscalls; do
strace -qe "$s" true >/dev/null 2>&1 && echo "$s"
done | paste -s -d,)
no_zero_copy() {
strace -f -o /dev/null -e inject=${syscalls}:error=ENOSYS "$@"
}
if no_zero_copy true; then
test "$(no_zero_copy yes | head -n2 | paste -s -d '')" = 'yy' || fail=1
fi
# Ensure we fallback to write() if there is an issue with pipe2()
# For example if we don't have enough file descriptors available.