Well, actually, let's move the platform-independent parts out to a process.go file.

process.go

@@ -0,0 +1,22 @@
+package main
+
+// Process contains an alias that will be returned when queries, and a process
+// name to look for.
+type Process struct {
+	Alias   string `json:"alias"`
+	Process string `json:"process"`
+}
+
+// ProcessesState is a map of processes' aliases and its statuses.
+type ProcessesState map[string]bool
+
+func GetProcessesState(procs *[]Process) (ps ProcessesState) {
+	ps = make(ProcessesState)
+
+	for _, proc := range *procs {
+		pids, err := GetProcessPIDs(proc.Process)
+		ps[proc.Alias] = err == nil && len(pids) > 0
+	}
+
+	return
+}

process_unix.go

@@ -9,27 +9,6 @@ import (
 	"strings"
 )
 
-// Process contains an alias that will be returned when queries, and a process
-// name to look for.
-type Process struct {
-	Alias   string `json:"alias"`
-	Process string `json:"process"`
-}
-
-// ProcessesState is a map of processes' aliases and its statuses.
-type ProcessesState map[string]bool
-
-func GetProcessesState(procs *[]Process) (ps ProcessesState) {
-	ps = make(ProcessesState)
-
-	for _, proc := range *procs {
-		pids, err := GetProcessPIDs(proc.Process)
-		ps[proc.Alias] = err == nil && len(pids) > 0
-	}
-
-	return
-}
-
 // GetProcessPIDs returns a list of PIDs found for a process.
 func GetProcessPIDs(name string) (pids []int, err error) {
 	dir, err := os.ReadDir("/proc/")