[Beignet] [PATCH] make raw_fd_ostream not close stdout

[Zhigang Gong]

Applied. Thx.

On Tue, Apr 16, 2013 at 11:12:01AM +0800, Homer Hsing wrote:
> stdout was closed by llvm::raw_fd_ostream.
> Now let llvm::raw_fd_ostream not close stdout.
> 
> Signed-off-by: Homer Hsing <homer.xing at intel.com>
> ---
>  backend/src/llvm/llvm_to_gen.cpp | 9 +--------
>  1 file changed, 1 insertion(+), 8 deletions(-)
> 
> diff --git a/backend/src/llvm/llvm_to_gen.cpp b/backend/src/llvm/llvm_to_gen.cpp
> index 21193a5..ea3d9eb 100644
> --- a/backend/src/llvm/llvm_to_gen.cpp
> +++ b/backend/src/llvm/llvm_to_gen.cpp
> @@ -55,7 +55,7 @@ namespace gbe
>      std::string errInfo;
>      std::unique_ptr<llvm::raw_fd_ostream> o = NULL;
>      if (OCL_OUTPUT_LLVM_BEFORE_EXTRA_PASS || OCL_OUTPUT_LLVM)
> -      o = std::unique_ptr<llvm::raw_fd_ostream>(new llvm::raw_fd_ostream("-", errInfo));
> +      o = std::unique_ptr<llvm::raw_fd_ostream>(new llvm::raw_fd_ostream(fileno(stdout), false));
>  
>      // Get the module from its file
>      SMDiagnostic Err;
> @@ -83,13 +83,6 @@ namespace gbe
>        passes.add(createPrintModulePass(&*o));
>      passes.run(mod);
>  
> -    // raw_fd_ostream closes stdout. We must reopen it
> -    if (OCL_OUTPUT_LLVM_BEFORE_EXTRA_PASS || OCL_OUTPUT_LLVM) {
> -      o = NULL;
> -      const int fd = open("/dev/tty", O_WRONLY);
> -      stdout = fdopen(fd, "w");
> -    }
> -
>      return true;
>    }
>  } /* namespace gbe */
> -- 
> 1.8.1.2
> 
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