[Lldb-commits] [lldb] r197221 - Fixes an issue where a signum => name mapping function has multiple case statements that define to the same integral value on my Linux (Ubuntu 12.04, x86_64). It's for SIGIO and SIGPOLL.

[Sylvestre Ledru]

Author: sylvestre
Date: Fri Dec 13 03:51:39 2013
New Revision: 197221

URL: http://llvm.org/viewvc/llvm-project?rev=197221&view=rev
Log:
Fixes an issue where a signum => name mapping function has multiple case statements that define to the same integral value on my Linux (Ubuntu 12.04, x86_64).  It's for SIGIO and SIGPOLL.
In the case that they are both defined the same.
Patch by Todd Fiala (but typos are mine)


Modified:
    lldb/trunk/source/Host/common/Host.cpp

Modified: lldb/trunk/source/Host/common/Host.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/common/Host.cpp?rev=197221&r1=197220&r2=197221&view=diff
==============================================================================
--- lldb/trunk/source/Host/common/Host.cpp (original)
+++ lldb/trunk/source/Host/common/Host.cpp Fri Dec 13 03:51:39 2013
@@ -491,8 +491,12 @@ Host::GetSignalAsCString (int signo)
     case SIGTRAP:   return "SIGTRAP";   // 5    trace trap (not reset when caught)
     case SIGABRT:   return "SIGABRT";   // 6    abort()
 #if  defined(SIGPOLL)
+#if !defined(SIGIO) || (SIGPOLL != SIGIO)
+// Under some GNU/Linux, SIGPOLL and SIGIO are the same. Causing the build to
+// fail with 'multiple define cases with same value'
     case SIGPOLL:   return "SIGPOLL";   // 7    pollable event ([XSR] generated, not supported)
 #endif
+#endif
 #if  defined(SIGEMT)
     case SIGEMT:    return "SIGEMT";    // 7    EMT instruction
 #endif