[llvm-commits] [llvm] r111643 - /llvm/trunk/lib/Support/raw_ostream.cpp
Dan Gohman
gohman at apple.com
Fri Aug 20 09:44:56 PDT 2010
Author: djg
Date: Fri Aug 20 11:44:56 2010
New Revision: 111643
URL: http://llvm.org/viewvc/llvm-project?rev=111643&view=rev
Log:
Make outs() close its file when its stream is destructed, so that
pending output errors are detected.
Modified:
llvm/trunk/lib/Support/raw_ostream.cpp
Modified: llvm/trunk/lib/Support/raw_ostream.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/raw_ostream.cpp?rev=111643&r1=111642&r2=111643&view=diff
==============================================================================
--- llvm/trunk/lib/Support/raw_ostream.cpp (original)
+++ llvm/trunk/lib/Support/raw_ostream.cpp Fri Aug 20 11:44:56 2010
@@ -540,14 +540,16 @@
}
//===----------------------------------------------------------------------===//
-// raw_stdout/err_ostream
+// outs(), errs(), nulls()
//===----------------------------------------------------------------------===//
/// outs() - This returns a reference to a raw_ostream for standard output.
/// Use it like: outs() << "foo" << "bar";
raw_ostream &llvm::outs() {
// Set buffer settings to model stdout behavior.
- static raw_fd_ostream S(STDOUT_FILENO, false);
+ // Delete the file descriptor when the program exists, forcing error
+ // detection. If you don't want this behavior, don't use outs().
+ static raw_fd_ostream S(STDOUT_FILENO, true);
return S;
}
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