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Tonis Tiigi 2efe98b13a executor: make resolv.conf generation flags atomic

GetResolvConf read and wrote the package-level notFirstRun and
lastNotEmpty flags inside its flightcontrol callback. flightcontrol
only serializes calls with the same key, so calls for different roots,
or for resolv.conf and resolv-host.conf at once, raced on them. Make
both flags atomic.Bool; the sequential behavior is unchanged.

Add a test that generates resolv.conf for several roots concurrently;
it reports the race under -race without the fix.

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

2026-10-25 20:08:26 -07:00

hosts.go

executor/oci: scope state files to roots

2026-03-25 08:14:31 -07:00

mounts_test.go

Upgrade to containerd 2

2025-01-13 16:42:48 -08:00

mounts.go

Upgrade to containerd 2

2025-01-13 16:42:48 -08:00

resolvconf_test.go

executor: make resolv.conf generation flags atomic