internal: silence compiler warnings about unused return values (#13997)

* misc: silence warnings about ignoring return value on reads

silence warnings on ignored return values on read() and print an error
if it occurs.

* misc: silence warnings about ignoring return value on writes

silence warnings on ignored return values on write() and print an error
where we can, or pass them the maybe_unused attribute.

* misc: silence warnings about ignoring return value on pipe

silence warnings on ignored return value on pipe(), print an error and
exit on failure.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/debug/crash/CrashReporter.cpp b/src/debug/crash/CrashReporter.cpp
index fad6ad21..5b7931f3 100644
--- a/src/debug/crash/CrashReporter.cpp
+++ b/src/debug/crash/CrashReporter.cpp
@@ -43,7 +43,7 @@ static char const* getRandomMessage() {
 }
 
 [[noreturn]] static inline void exitWithError(char const* err) {
-    write(STDERR_FILENO, err, strlen(err));
+    [[maybe_unused]] auto w = write(STDERR_FILENO, err, strlen(err));
     // perror() is not signal-safe, but we use it here
     // because if the crash-handler already crashed, it can't get any worse.
     perror("");