syscalls: ioctl

kernel-src/sys/syscalls/ioctl.c

@@ -0,0 +1,23 @@
+#include <kernel/syscalls.h>
+#include <kernel/file.h>
+#include <kernel/vfs.h>
+
+syscallret_t syscall_ioctl(context_t *, int fd, unsigned long request, void *arg) {
+	syscallret_t ret = {
+		.ret = -1
+	};
+
+	file_t *file = fd_get(fd);
+	if (file == NULL) {
+		ret.errno = EBADF;
+		return ret;
+	}
+
+	int r = 0;
+	ret.errno = VOP_IOCTL(file->vnode, request, arg, &r);
+	ret.ret = ret.errno ? -1 : r;
+
+	fd_release(file);
+
+	return ret;
+}