work on darwin

Makefile

@@ -17,13 +17,13 @@ lint: $(SRC)
 release: forego-linux forego-osx forego-windows
 
 forego-linux: $(SRC)
-	env GOOS=linux GOARCH=386 go build -o $@
+	env GOOS=linux GOARCH=386 go build -o
 
 forego-osx: $(SRC)
-	env GOOS=darwin GOARCH=386 go build -o $@
+	env GOOS=darwin GOARCH=386 go build -o
 
 forego-windows: $(SRC)
-	env GOOS=windows GOARCH=386 go build -o $@
+	env GOOS=windows GOARCH=386 go build -o
 
 $(BIN): $(SRC)
-	go build -o $@ $(SRC)
+	go build -o $@

darwin.go

@@ -0,0 +1,44 @@
+package main
+
+import (
+  "fmt"
+  "os"
+  "os/exec"
+  "path/filepath"
+  "syscall"
+	"time"
+)
+
+func (p *Process) Start() {
+	command := []string{"/bin/bash", "-c", fmt.Sprintf("source \"%s\" 2>/dev/null; %s", filepath.Join(p.Root, ".profile"), p.Command)}
+	p.cmd = exec.Command(command[0], command[1:]...)
+	p.cmd.Dir = p.Root
+	p.cmd.Env = p.envAsArray()
+	p.cmd.Stdin = p.Stdin
+	p.cmd.Stdout = p.Stdout
+	p.cmd.Stderr = p.Stderr
+	p.cmd.SysProcAttr = &syscall.SysProcAttr{}
+	p.cmd.SysProcAttr.Setsid = true
+	p.cmd.Start()
+}
+
+func (p *Process) Signal(signal syscall.Signal) {
+	group, _ := os.FindProcess(-1 * p.cmd.Process.Pid)
+	group.Signal(signal)
+}
+
+func ShutdownProcesses(of *OutletFactory) {
+	shutdown_mutex.Lock()
+	of.SystemOutput("shutting down")
+	for name, ps := range processes {
+		of.SystemOutput(fmt.Sprintf("sending SIGTERM to %s", name))
+		ps.Signal(syscall.SIGTERM)
+	}
+	go func() {
+		time.Sleep(shutdownGraceTime)
+		for name, ps := range processes {
+			of.SystemOutput(fmt.Sprintf("sending SIGKILL to %s", name))
+			ps.Signal(syscall.SIGKILL)
+		}
+	}()
+}