[libc-commits] [libc] [libc] Implement freopen (PR #207837)

[Jeff Bailey via libc-commits]

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@@ -54,21 +56,17 @@ ErrorOr<off_t> linux_file_seek(File *f, off_t offset, int whence) {
 int linux_file_close(File *f) {
   File::remove_file(f);
   auto *lf = reinterpret_cast<LinuxFile *>(f);
-  int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_close, lf->get_fd());
-  if (ret < 0) {
-    return -ret;
+  if (lf->get_fd() >= 0) {
+    auto result = linux_syscalls::close(lf->get_fd());
+    if (!result)
+      return result.error();
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kaladron wrote:

Would you mind filing an issue on this and assigning it to me?  That seems like a gap we should take to the Austin Group to find out whether they can be reconciled or whether this is a GNU versus POSIX behaviour difference.

https://github.com/llvm/llvm-project/pull/207837