1 files changed, 25 insertions, 0 deletions
diff --git a/go/psx-fd.go b/go/psx-fd.go
new file mode 100644
index 0000000..7aa3a76
--- /dev/null
+++ b/go/psx-fd.go
@@ -0,0 +1,25 @@
+package main
+
+import (
+	"log"
+	"os"
+	"syscall"
+	"time"
+
+	"kernel.org/pub/linux/libs/security/libcap/psx"
+)
+
+const prSetKeepCaps = 8
+
+func main() {
+	r, w, err := os.Pipe()
+	if err != nil {
+		log.Fatalf("failed to obtain pipe: %v", err)
+	}
+	data := make([]byte, 2+r.Fd())
+	go r.Read(data)
+	time.Sleep(500 * time.Millisecond)
+	psx.Syscall3(syscall.SYS_PRCTL, prSetKeepCaps, 1, 0)
+	w.Close()
+	r.Close()
+}