1459bd1b8b
Full-featured cPanel backup tool with SSH, S3, and Google Drive support. Includes WHM plugin with Tailwind/DaisyUI UI, multi-remote management, decoupled schedules, and account restore workflows. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
29 lines
729 B
Bash
29 lines
729 B
Bash
#!/usr/bin/env bash
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# gniza/lib/locking.sh — flock-based concurrency control
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declare -g LOCK_FD=""
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acquire_lock() {
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local lock_file="${LOCK_FILE:-$DEFAULT_LOCK_FILE}"
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local lock_dir; lock_dir=$(dirname "$lock_file")
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mkdir -p "$lock_dir" || die "Cannot create lock directory: $lock_dir"
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exec {LOCK_FD}>"$lock_file"
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if ! flock -n "$LOCK_FD"; then
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die "Another gniza process is running (lock: $lock_file)" "$EXIT_LOCKED"
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fi
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echo $$ >&"$LOCK_FD"
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log_debug "Lock acquired: $lock_file (PID $$)"
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}
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release_lock() {
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if [[ -n "$LOCK_FD" ]]; then
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flock -u "$LOCK_FD" 2>/dev/null
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exec {LOCK_FD}>&- 2>/dev/null
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LOCK_FD=""
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log_debug "Lock released"
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fi
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}
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