1 files changed, 24 insertions, 0 deletions
diff --git a/libc-bottom-half/cloudlibc/src/libc/fcntl/posix_fadvise.c b/libc-bottom-half/cloudlibc/src/libc/fcntl/posix_fadvise.c
new file mode 100644
index 0000000..d683d39
--- /dev/null
+++ b/libc-bottom-half/cloudlibc/src/libc/fcntl/posix_fadvise.c
@@ -0,0 +1,24 @@
+// Copyright (c) 2015-2016 Nuxi, https://nuxi.nl/
+//
+// SPDX-License-Identifier: BSD-2-Clause
+
+#include <assert.h>
+#include <wasi/api.h>
+#include <errno.h>
+#include <fcntl.h>
+
+static_assert(POSIX_FADV_DONTNEED == __WASI_ADVICE_DONTNEED,
+              "Value mismatch");
+static_assert(POSIX_FADV_NOREUSE == __WASI_ADVICE_NOREUSE, "Value mismatch");
+static_assert(POSIX_FADV_NORMAL == __WASI_ADVICE_NORMAL, "Value mismatch");
+static_assert(POSIX_FADV_RANDOM == __WASI_ADVICE_RANDOM, "Value mismatch");
+static_assert(POSIX_FADV_SEQUENTIAL == __WASI_ADVICE_SEQUENTIAL,
+              "Value mismatch");
+static_assert(POSIX_FADV_WILLNEED == __WASI_ADVICE_WILLNEED,
+              "Value mismatch");
+
+int posix_fadvise(int fd, off_t offset, off_t len, int advice) {
+  if (offset < 0 || len < 0)
+    return EINVAL;
+  return __wasi_fd_advise(fd, offset, len, advice);
+}