compiles

core/syscalls/getuname.c

@@ -0,0 +1,33 @@
+#include <zinnia/spin.h>
+#include <zinnia/syscall.h>
+#include <zinnia/usercopy.h>
+#include <config.h>
+#include <uapi/utsname.h>
+
+static spinlock_t uname_lock = {};
+
+static struct utsname uname_buf = {
+    .sysname = "Zinnia",
+    .release = ZINNIA_VERSION,
+    .version = CONFIG_KERNEL_FLAVOR,
+    .nodename = "localhost",
+    .machine = ZINNIA_ARCH,
+};
+
+struct syscall_ret sys_getuname(__user struct utsname* ptr) {
+    struct syscall_ret ret = {};
+
+    if (!ptr) {
+        ret.errno = EINVAL;
+        return ret;
+    }
+
+    spin_lock(&uname_lock);
+
+    if (!usercopy_write(ptr, &uname_buf, sizeof(uname_buf)))
+        ret.errno = EFAULT;
+
+    spin_unlock(&uname_lock);
+
+    return ret;
+}