[llvm] 6b46166 - [llvm][NFC] Suppress `-Wunused-result` call to `write`

[Jordan Rupprecht via llvm-commits]

Author: Jordan Rupprecht
Date: 2024-04-11T02:14:07Z
New Revision: 6b46166ef2612d2a58767447b3db8f0343afb552

URL: https://github.com/llvm/llvm-project/commit/6b46166ef2612d2a58767447b3db8f0343afb552
DIFF: https://github.com/llvm/llvm-project/commit/6b46166ef2612d2a58767447b3db8f0343afb552.diff

LOG: [llvm][NFC] Suppress `-Wunused-result` call to `write`

Commit 87e6f87fe7e343eb656e9b49d30cbb065c086651 adds a call to `::write()`, which may be annotated w/ `warn_unused_result`, leading to `-Wunused-result` failures.

Added: 
    

Modified: 
    llvm/lib/Support/raw_socket_stream.cpp

Removed: 
    


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diff  --git a/llvm/lib/Support/raw_socket_stream.cpp b/llvm/lib/Support/raw_socket_stream.cpp
index 1dcf6352f2cc23..14e2308df4d7ed 100644
--- a/llvm/lib/Support/raw_socket_stream.cpp
+++ b/llvm/lib/Support/raw_socket_stream.cpp
@@ -265,7 +265,10 @@ void ListeningSocket::shutdown() {
 
   // Ensure ::poll returns if shutdown is called by a seperate thread
   char Byte = 'A';
-  ::write(PipeFD[1], &Byte, 1);
+  ssize_t written = ::write(PipeFD[1], &Byte, 1);
+
+  // Ignore any write() error
+  (void)written;
 }
 
 ListeningSocket::~ListeningSocket() {