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…h multicall sleep
_wait_for_process_exec() waited for /proc/{pid}/exe to be named "sleep",
which never happens when sleep is a multicall binary (BusyBox on Alpine,
coreutils-single on RHEL UBI9). Wait instead until the child's executable
differs from the parent's, which means the child has called exec().
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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_wait_for_process_exec() waited for /proc/{pid}/exe to be named "sleep", which never happens when sleep is a multicall binary (BusyBox on Alpine, coreutils-single on RHEL UBI9). Wait instead until the child's executable differs from the parent's, which means the child has called exec().
The fix for #159534 (#160028, backported to 3.15 in #160080) makes test_is_python_process_non_python_subprocess fail every time on systems where sleep is provided by a multicall binary. That includes the Alpine buildbots, where the original #159534 failure was found
test_is_python_process_non_python_subprocessalways times out whensleepis a multicall binary (Alpine/BusyBox, RHEL UBI9) #160881