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Ignore interruption signal sent from the build system #495

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Merged
nkcsgexi merged 1 commit into from
Feb 15, 2021
Merged

Ignore interruption signal sent from the build system #495

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9 changes: 4 additions & 5 deletions Sources/swift-driver/main.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -22,11 +22,10 @@ let diagnosticsEngine = DiagnosticsEngine(handlers: [Driver.stderrDiagnosticsHan
do {
let processSet = ProcessSet()
intHandler = try InterruptHandler {
processSet.terminate()
// If the swift-driver invocation is interrupted by the build system,
// returning non-zero value emits red-herring error messages in the build logs.
// So we exit with 0 here.
exit(0)
// Ignore the interruption signal.
// The underlying swift compiler isn't ready to be safely interrupted yet and
// interrupting them may cause red-herring build failures that may pollute the build
// log.
}

if ProcessEnv.vars["SWIFT_ENABLE_EXPLICIT_MODULE"] != nil {
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