Add bin and edit workflow

bin/gems/io-event-1.9.0/ext/io/event/selector/pidfd.c

@@ -0,0 +1,21 @@
+// Released under the MIT License.
+// Copyright, 2021-2025, by Samuel Williams.
+
+#include <ruby.h>
+
+#include <sys/types.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+#include <poll.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifndef __NR_pidfd_open
+#define __NR_pidfd_open 434   /* System call # on most architectures */
+#endif
+
+static int
+pidfd_open(pid_t pid, unsigned int flags)
+{
+	return syscall(__NR_pidfd_open, pid, flags);
+}