initial

2 files changed, 74 insertions, 0 deletions

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..addc052
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+# gstat
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..44ef0ab
--- /dev/null
+++ b/main.go
@@ -0,0 +1,73 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"regexp"
+)
+
+const (
+	STOP    = 0
+	GETPIDS = 1
+)
+
+type Program struct {
+	pid     int
+	command string
+}
+
+func gstatGatherPids(res chan<- string) {
+	re, _ := regexp.Compile("^[0-9]+$")
+
+	dir, err := ioutil.ReadDir("/proc/")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	for _, fi := range dir {
+		name := fi.Name()
+		if re.MatchString(name) {
+			res <- name
+		}
+	}
+}
+
+func gstatGather(action <-chan int, done chan<- bool, res chan<- string) {
+	for {
+		switch <-action {
+		case STOP:
+			{
+				done <- true
+				break
+			}
+		case GETPIDS:
+			{
+				gstatGatherPids(res)
+				done <- true
+			}
+		}
+	}
+}
+
+func main() {
+	action := make(chan int)
+	done := make(chan bool)
+	res := make(chan string)
+
+	go gstatGather(action, done, res)
+
+	action <- GETPIDS
+	for {
+		switch <-done {
+		case false:
+			{
+				fmt.Println(<-res)
+			}
+		case true:
+			{
+				break
+			}
+		}
+	}
+}