u6: add socket/socketpair kind scaffolding and wiring

2 files changed, 33 insertions, 0 deletions

diff --git a/cmd/ioworkload/scenario_socket.go b/cmd/ioworkload/scenario_socket.go
new file mode 100644
index 0000000..1ffc784
--- /dev/null
+++ b/cmd/ioworkload/scenario_socket.go
@@ -0,0 +1,31 @@
+package main
+
+import (
+	"fmt"
+	"syscall"
+)
+
+func socketBasic() error {
+	fd, err := syscall.Socket(syscall.AF_UNIX, syscall.SOCK_STREAM|syscall.SOCK_CLOEXEC, 0)
+	if err != nil {
+		return fmt.Errorf("socket: %w", err)
+	}
+	if err := syscall.Close(fd); err != nil {
+		return fmt.Errorf("close socket fd: %w", err)
+	}
+	return nil
+}
+
+func socketpairBasic() error {
+	fds, err := syscall.Socketpair(syscall.AF_UNIX, syscall.SOCK_STREAM|syscall.SOCK_CLOEXEC, 0)
+	if err != nil {
+		return fmt.Errorf("socketpair: %w", err)
+	}
+	if err := syscall.Close(fds[0]); err != nil {
+		return fmt.Errorf("close socketpair fd0: %w", err)
+	}
+	if err := syscall.Close(fds[1]); err != nil {
+		return fmt.Errorf("close socketpair fd1: %w", err)
+	}
+	return nil
+}
diff --git a/cmd/ioworkload/scenarios.go b/cmd/ioworkload/scenarios.go
index 326c954..aedbffa 100644
--- a/cmd/ioworkload/scenarios.go
+++ b/cmd/ioworkload/scenarios.go
@@ -25,6 +25,8 @@ var scenarios = map[string]func() error{
 	"readwrite-pread-invalid":     readwritePreadInvalid,
 	"readwrite-pwrite-invalid":    readwritePwriteInvalid,
 	"retbytes-phase-a":            retbytesPhaseA,
+	"socket-basic":                socketBasic,
+	"socketpair-basic":            socketpairBasic,
 	"family-mixed":                familyMixed,
 	"close-basic":                 closeBasic,
 	"close-range":                 closeRange,