M4andCursor
57d719f02f
Faster unchanged polls; orphan-core cleanup on listen ports; clearer busy-port errors; cores only from binDir; incremental server list; CSP without Google Fonts; single-instance activates existing window; close-to-tray without kill-others or balloon. Co-authored-by: Cursor <cursoragent@cursor.com>
17 lines
282 B
Go
17 lines
282 B
Go
//go:build !windows && !plan9
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package singleinstance
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import (
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"os"
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"syscall"
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)
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func flockExclusive(f *os.File) error {
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return syscall.Flock(int(f.Fd()), syscall.LOCK_EX|syscall.LOCK_NB)
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}
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func funlock(f *os.File) error {
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return syscall.Flock(int(f.Fd()), syscall.LOCK_UN)
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}
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