For PR797:

Make sys::Program::ExecuteAndWait not throw exceptions and update any
affected code. It now return -9999 to signal that the program couldn't be
executed. Only one case (in bugpoint) actually examines the result code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29785 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 1 deletions

diff --git a/include/llvm/System/Program.h b/include/llvm/System/Program.h
index 92534de405..2b5b488ffb 100644
--- a/include/llvm/System/Program.h
+++ b/include/llvm/System/Program.h
@@ -49,7 +49,8 @@ namespace sys {
       /// called then a std::string is thrown.
       /// @returns an integer result code indicating the status of the program.
       /// A zero or positive value indicates the result code of the program. A
-      /// negative value is the signal number on which it terminated.
+      /// negative value is the signal number on which it terminated. A value of
+      /// -9999 indicates the program could not be executed.
       /// @throws std::string on a variety of error conditions or if the invoked
       /// program aborted abnormally.
       /// @see FindProgrambyName