1 files changed, 30 insertions, 3 deletions
diff --git a/internal/procs/chldspawn.go b/internal/procs/chldspawn.go
index eb7db69..391581d 100644
--- a/internal/procs/chldspawn.go
+++ b/internal/procs/chldspawn.go
@@ -2,13 +2,40 @@ package procs
 
 import (
 	"context"
-	"os"
+	"fmt"
+	"os/exec"
 
 	"github.com/Wacky404/lurchers/internal/url"
 )
 
+type Pid int
+
 type Proc struct {
-	ID   *os.Process
-	ctx  context.Context
+	PID  Pid
+	cmd  *exec.Cmd
 	opts *url.UserParams
 }
+
+func (p *Proc) NewChildProc(ctx context.Context, offset int) (Pid, error) {
+	// --offset is byte offset of ring buffer in mem file from mmap
+	// --options is packed json of user params for jac file to restrict job(s) to
+	// need to read docs on exec lib and spawning child procs in go
+	// howler --offset val1 --options val2
+	(*p).cmd = exec.Command("howler", fmt.Sprintf("--offset %d --options %v", offset, (*p).opts))
+	err := (*p).cmd.Start()
+	if err != nil {
+		return nil, err
+	}
+	(*p).PID = Pid((*p).cmd.Process.Pid)
+	return (*p).PID, nil
+}
+
+func NewProc(prog string, flags []string) *Proc {
+	if !prog {
+		prog = "howler"
+	}
+	return &Proc{
+		PID: nil,
+		cmd: exec.Command()
+	}
+}