Ethereal49
3c629133c2
* usage: same-tick rewrites refresh cached totals and request pages Trust change stamps only when they were settled at the snapshot read's start. Fingerprint recent snapshots and append prefixes, and discard fingerprint trust when the content changes during a read. Fixes https://github.com/yetone/magpie/issues/1305 Verified: deterministic old-predicate FAIL/new PASS; usage tests with race; nogui vet; Linux nogui and Windows builds; usage test cross-compilation for Windows, Darwin and the unsupported-stamp fallback on FreeBSD. Full nogui suite exposed the independent sessions TestList empty-session limit failure. Native Linux GUI vet/build lack pkg-config and GTK/WebKit; native Windows/NTFS execution was not run. * usage: keep FILETIME stamp ages valid beyond UnixNano range Convert whole seconds and the 100ns fraction separately. Checked the epoch, current dates with fractional ticks and year 2500; Windows build and usage test cross-compilation pass. Native Windows execution was not run. * usage: keep history cached after an append settles An unchanged log now validates a recent snapshot's nonempty fingerprint before publishing a settled clone. Preserve its version and sealed blocks so the summary and page caches stay warm without mutating readers' snapshots. Follow-up to the review on https://github.com/yetone/magpie/pull/1328, for https://github.com/yetone/magpie/issues/1305. On e28e686, the real-clock append/read/settle/read tests fail with a version bump and 32,428 additional allocations over 4,000 versus 10 rows. With this change the targeted race run passes, with 165 extra allocations. The existing performance test now measures this path on the real clock. Verification uses Go 1.26.8, a temporary HOME and pinned Go caches. Native Linux GUI checks require missing pkg-config/GTK/WebKit libraries; native Windows/NTFS execution is not available. No GUI assets change. Implementation and verification used AI assistance. Final checks: usage race PASS (421 test results); nogui suite PASS (7,273 test results, 44 packages; 21 skipped tests, 3 packages without tests). Nogui vet, Linux nogui build, Windows build, and usage test cross-compilation for Windows amd64, Darwin arm64 and FreeBSD amd64 PASS. Native Linux GUI vet/build were attempted and failed at the missing pkg-config executable.
20 lines
353 B
Go
20 lines
353 B
Go
package usage
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import (
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"os"
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"syscall"
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"time"
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)
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// ctime changes even when a writer restores the size and modification time.
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func nativeLogChangeTime(info os.FileInfo) time.Time {
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if info == nil {
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return time.Time{}
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}
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stat, ok := info.Sys().(*syscall.Stat_t)
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if !ok {
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return time.Time{}
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}
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return time.Unix(stat.Ctim.Sec, stat.Ctim.Nsec)
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}
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