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Make outs() close its file when its stream is destructed, so that

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pending output errors are detected.

llvm-svn: 111643
This commit is contained in:
Dan Gohman 2010-08-20 16:44:56 +00:00
parent 20fe555d22
commit b316c3de4e
1 changed files with 4 additions and 2 deletions
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6
lib/Support/raw_ostream.cpp
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@ -540,14 +540,16 @@ bool raw_fd_ostream::is_displayed() const {
}
//===----------------------------------------------------------------------===//
// 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;
}