a8ed79b097
sync + sync/atomic annotations across 13 files in go-process. health.go is committed separately via #298 (combined sync annotation + fmt/strings banned-import purge). Co-authored-by: Codex <noreply@openai.com> Closes tasks.lthn.sh/view.php?id=296
65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
package exec
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import (
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// Note: AX-6 — internal concurrency primitive; structural per RFC §2
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"sync"
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)
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// Logger interface for command execution logging.
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// Compatible with pkg/log.Logger and other structured loggers.
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type Logger interface {
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// Debug logs a debug-level message with optional key-value pairs.
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//
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// Example:
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// logger.Debug("starting", "cmd", "go")
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Debug(msg string, keyvals ...any)
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// Error logs an error-level message with optional key-value pairs.
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//
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// Example:
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// logger.Error("failed", "cmd", "go", "err", err)
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Error(msg string, keyvals ...any)
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}
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// NopLogger is a no-op logger that discards all messages.
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type NopLogger struct{}
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// Debug discards the message (no-op implementation).
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func (NopLogger) Debug(string, ...any) {}
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// Error discards the message (no-op implementation).
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func (NopLogger) Error(string, ...any) {}
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var _ Logger = NopLogger{}
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var (
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defaultLoggerMu sync.RWMutex
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defaultLogger Logger = NopLogger{}
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)
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// SetDefaultLogger sets the package-level default logger.
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// Commands without an explicit logger will use this.
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//
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// Example:
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//
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// exec.SetDefaultLogger(logger)
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func SetDefaultLogger(l Logger) {
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defaultLoggerMu.Lock()
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defer defaultLoggerMu.Unlock()
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if l == nil {
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l = NopLogger{}
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}
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defaultLogger = l
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}
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// DefaultLogger returns the current default logger.
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//
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// Example:
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//
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// logger := exec.DefaultLogger()
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func DefaultLogger() Logger {
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defaultLoggerMu.RLock()
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defer defaultLoggerMu.RUnlock()
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return defaultLogger
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}
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