Moved variables declaration to nimbus_binary_common

Author: pmmiranda

beacon_chain/nimbus_beacon_node.nim

@@ -2169,9 +2169,6 @@ proc run(node: BeaconNode) {.raises: [CatchableError].} =
   # time to say goodbye
   node.stop()
 
-var shouldCreatePidFile*: Atomic[bool]
-shouldCreatePidFile.store(true)
-
 var gPidFile: string
 proc createPidFile(filename: string) {.raises: [IOError].} =
   if shouldCreatePidFile.load():

beacon_chain/nimbus_binary_common.nim

@@ -11,7 +11,7 @@
 
 import
   # Standard library
-  std/[tables, strutils, terminal, typetraits],
+  std/[atomics, tables, strutils, terminal, typetraits],
 
   # Nimble packages
   chronos, confutils, presto, toml_serialization, metrics,
@@ -41,6 +41,10 @@ type
                            lastSlot: Slot): Future[bool] {.gcsafe,
   raises: [].}
 
+# controls if beacon node db file lock should be created (default: true)
+var shouldCreatePidFile*: Atomic[bool]
+shouldCreatePidFile.store(true)
+
 # silly chronicles, colors is a compile-time property
 when defaultChroniclesStream.outputs.type.arity == 2:
   func stripAnsi(v: string): string =