Add option for launching in own process group

config.go

@@ -24,6 +24,7 @@ type Config struct {
 	binaryRepositoryURL string
 	startTimeout        time.Duration
 	logger              io.Writer
+	ownProcessGroup     bool
 }
 
 // DefaultConfig provides a default set of configuration to be used "as is" or modified using the provided builders.
@@ -144,6 +145,12 @@ func (c Config) BinaryRepositoryURL(binaryRepositoryURL string) Config {
 	return c
 }
 
+// OwnProcessGroup configures whether the server should be started in its own process group.
+func (c Config) OwnProcessGroup(ownProcessGroup bool) Config {
+	c.ownProcessGroup = ownProcessGroup
+	return c
+}
+
 func (c Config) GetConnectionURL() string {
 	return fmt.Sprintf("postgresql://%s:%s@%s:%d/%s", c.username, c.password, "localhost", c.port, c.database)
 }

embedded_postgres.go

@@ -216,6 +216,7 @@ func startPostgres(ep *EmbeddedPostgres) error {
 		"-o", encodeOptions(ep.config.port, ep.config.startParameters))
 	postgresProcess.Stdout = ep.syncedLogger.file
 	postgresProcess.Stderr = ep.syncedLogger.file
+	applyPlatformSpecificOptions(postgresProcess, ep.config)
 
 	if err := postgresProcess.Run(); err != nil {
 		_ = ep.syncedLogger.flush()
@@ -233,6 +234,7 @@ func stopPostgres(ep *EmbeddedPostgres) error {
 		"-D", ep.config.dataPath)
 	postgresProcess.Stderr = ep.syncedLogger.file
 	postgresProcess.Stdout = ep.syncedLogger.file
+	applyPlatformSpecificOptions(postgresProcess, ep.config)
 
 	if err := postgresProcess.Run(); err != nil {
 		return err

embedded_postgres_test.go

@@ -258,6 +258,7 @@ func Test_CustomConfig(t *testing.T) {
 		StartTimeout(10 * time.Second).
 		Locale("C").
 		Encoding("UTF8").
+		OwnProcessGroup(true).
 		Logger(nil))
 
 	if err := database.Start(); err != nil {

execopts_unix.go

@@ -0,0 +1,18 @@
+//go:build !windows
+// +build !windows
+
+package embeddedpostgres
+
+import (
+	"os/exec"
+	"syscall"
+)
+
+func applyPlatformSpecificOptions(cmd *exec.Cmd, config Config) {
+	if config.ownProcessGroup {
+		if cmd.SysProcAttr == nil {
+			cmd.SysProcAttr = &syscall.SysProcAttr{}
+		}
+		cmd.SysProcAttr.Setpgid = true
+	}
+}

execopts_windows.go

@@ -0,0 +1,18 @@
+//go:build windows
+// +build windows
+
+package embeddedpostgres
+
+import (
+	"os/exec"
+	"syscall"
+)
+
+func applyPlatformSpecificOptions(cmd *exec.Cmd, config Config) {
+	if config.ownProcessGroup {
+		if cmd.SysProcAttr == nil {
+			cmd.SysProcAttr = &syscall.SysProcAttr{}
+		}
+		cmd.SysProcAttr.CreationFlags = syscall.CREATE_NEW_PROCESS_GROUP
+	}
+}