Language
Go
Compiler
go 1.9
Options
$ go build -o prog first Rlock succeeded
about to Lock
trying to Rlock again
POTENTIAL DEADLOCK: Duplicate locking, saw callers this locks in one goroutine:
current goroutine 1 lock &{{{1 0} 0 0 -1073741823 1}}
all callers to this lock in the goroutine
prog.go:14 main.main.func1 { mu.RLock() } <<<<<
prog.go:45 main.main { rlockTwice() }
/opt/wandbox/go-1.9/src/runtime/proc.go:185 runtime.main { fn() }
prog.go:19 main.main.func1 { mu.RLock() } <<<<<
prog.go:45 main.main { rlockTwice() }
/opt/wandbox/go-1.9/src/runtime/proc.go:185 runtime.main { fn() }
Other goroutines holding locks:
Exit Code:
2