[Lldb-commits] [lldb] [lldb-dap] Implement `runInTerminal` for Windows (PR #121269)

[John Harrison via lldb-commits]

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@@ -24,41 +30,95 @@ using namespace llvm;
 
 namespace lldb_dap {
 
-FifoFile::FifoFile(StringRef path) : m_path(path) {}
-
+FifoFile::FifoFile(StringRef path)
+    : m_path(path), m_file(fopen(path.data(), "r+")) {
+  std::error_code EC;
+  if (m_file == nullptr) {
+    EC = std::error_code(errno, std::generic_category());
+    llvm::errs() << "Failed to open fifo file " << path << ": " << EC.message()
+                 << "\n";
+    std::terminate();
+  }
+  if (setvbuf(m_file, NULL, _IONBF, 0))
+    llvm::errs() << "Error setting unbuffered mode on C FILE\n";
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ashgti wrote:

Like above, this should return an error if this fails instead.

https://github.com/llvm/llvm-project/pull/121269