setname api

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Change Log
 
+## 0.7.0 (26 July, 2024)
+
+- New api setname(process, new_name) for changing process id
+
 ## 0.7.0 (9 July, 2024)
 
 - MacOS support [#7](https://github.com/cardo-org/Visor.jl/pull/7)

Project.toml

@@ -1,7 +1,7 @@
 name = "Visor"
 uuid = "cf786855-3531-4b86-ba6e-3e33dce7dcdb"
 authors = ["Attilio Donà"]
-version = "0.7.0"
+version = "0.7.1"
 
 [deps]
 DataStructures = "864edb3b-99cc-5e75-8d2d-829cb0a9cfe8"

src/Visor.jl

@@ -35,6 +35,7 @@ export procs
 export receive
 export reply
 export setphase
+export setname
 export shutdown
 export startup
 export supervise
@@ -207,6 +208,28 @@ clear_hold(::Supervisor) = nothing
 hold(process::Process) = process.onhold = true
 hold(::Supervisor) = nothing
 
+"""
+    setname(process::Process, new_name::AbstractString)
+
+Change the process name
+"""
+function setname(process::Process, new_name::AbstractString)
+    sv = process.supervisor
+    if sv !== nothing
+        # maintain the order
+        child = OrderedDict{String,Supervised}()
+        for pname in keys(sv.processes)
+            if pname != process.id
+                child[pname] = sv.processes[pname]
+            else
+                child[new_name] = process
+            end
+        end
+        process.supervisor.processes = child
+    end
+    return process.id = new_name
+end
+
 Base.show(io::IO, process::Supervised) = print(io, process.id)
 
 function dump(node::Supervisor)