[libc-commits] [libc] [libc] Add `shm_open/shm_unlink` (PR #84974)

[Nick Desaulniers via libc-commits]

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@@ -0,0 +1,23 @@
+//===---------- Linux implementation of the shm_unlink function -----------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/sys/mman/shm_unlink.h"
+#include "src/sys/mman/linux/shm_common.h"
+#include "src/unistd/unlink.h"
+
+namespace LIBC_NAMESPACE {
+
+LLVM_LIBC_FUNCTION(int, shm_unlink, (const char *name)) {
+  auto buffer = get_shm_name(name);
+  if (!buffer.has_value()) {
+    return -1;
+  }
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nickdesaulniers wrote:

same style nits as above

https://github.com/llvm/llvm-project/pull/84974