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fix: workers obey context

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Dmitry
2025-08-30 23:57:36 +03:00
parent 82a90e8107
commit 68c6c71a2b
1 changed files with 7 additions and 5 deletions
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12
runner.go
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@@ -51,13 +51,15 @@ type RunConfig struct {
Concurrency int Concurrency int
} }
// Run starts concurrency threads (goroutines), reads from provided Reader, // Run starts the script described by r.
// executes each Processor in the order they were provide and records result // First Read is called offset times with output of Read being discarded.
// with provided Writer.
// At first Read is called offset times with output of Read being discarded.
// Then limit Reads are made and processor is called for each portion // Then limit Reads are made and processor is called for each portion
// of data. If limit is 0 then Runner keep processing input until it receives // of data. If limit is 0 then Run keep processing input until it receives
// EOF from Reader. // EOF from Reader.
// Run fails on any error including Reader error, Writer error and Processor error.
// If an error is encountered the writer operation will be attampted anyway so that
// the output is left in consistent state, recording what has been actually done
// by Processor.
func Run(ctx context.Context, r RunConfig) error { func Run(ctx context.Context, r RunConfig) error {
if r.Concurrency == 0 { if r.Concurrency == 0 {
r.Concurrency = 1 r.Concurrency = 1