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cmd/syncthing: Clean up deadlock envvars

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So STDEADLOCK seems to do the same thing as STDEADLOCKTIMEOUT, except in
the other package. Consolidate?

STDEADLOCKTHRESHOLD is actually called STLOCKTHRESHOLD, correct the help
text.

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4598
This commit is contained in:
Jakob Borg 2017-12-13 19:40:12 +00:00 committed by Audrius Butkevicius
parent a4147d9019
commit 8c91ced784
2 changed files with 4 additions and 7 deletions
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7
cmd/syncthing/main.go
View File

@ -179,14 +179,11 @@ are mostly useful for developers. Use with care.
STPERFSTATS Write running performance statistics to perf-$pid.csv. Not
supported on Windows.
STDEADLOCK Used for debugging internal deadlocks. Use only under
direction of a developer.
STDEADLOCKTIMEOUT Used for debugging internal deadlocks; sets debug
sensitivity. Use only under direction of a developer.
STDEADLOCKTHRESHOLD Used for debugging internal deadlocks; sets debug
sensitivity. Use only under direction of a developer.
STLOCKTHRESHOLD Used for debugging internal deadlocks; sets debug
sensitivity. Use only under direction of a developer.
STNORESTART Equivalent to the -no-restart argument. Disable the
Syncthing monitor process which handles restarts for some

4
lib/sync/debug.go
View File

@ -24,7 +24,7 @@ var (
// }" variable, as it may be rather performance critical and does
// nonstandard things (from a debug logging PoV).
debug = strings.Contains(os.Getenv("STTRACE"), "sync") || os.Getenv("STTRACE") == "all"
useDeadlock = os.Getenv("STDEADLOCK") != ""
useDeadlock = os.Getenv("STDEADLOCKTIMEOUT") != ""
)
func init() {
@ -33,7 +33,7 @@ func init() {
if n, err := strconv.Atoi(os.Getenv("STLOCKTHRESHOLD")); err == nil {
threshold = time.Duration(n) * time.Millisecond
}
if n, err := strconv.Atoi(os.Getenv("STDEADLOCK")); err == nil {
if n, err := strconv.Atoi(os.Getenv("STDEADLOCKTIMEOUT")); err == nil {
deadlock.Opts.DeadlockTimeout = time.Duration(n) * time.Second
}
l.Debugf("Enabling lock logging at %v threshold", threshold)