Saleem Abdulrasool: cleanup a few more compile warnings emitted by GCC.
llvm-svn: 171173
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 6b0101acae4828663cb466e8b2be40d2317bc2ed
diff --git a/src/thread.cpp b/src/thread.cpp
index 8747adf..b2bd07e 100644
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -67,8 +67,10 @@
return n;
#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && defined(_SC_NPROCESSORS_ONLN)
long result = sysconf(_SC_NPROCESSORS_ONLN);
- if (result < 0 || result > UINT_MAX)
- result = 0;
+ // sysconf returns -1 if the name is invalid, the option does not exist or
+ // does not have a definite limit.
+ if (result == -1)
+ return 0;
return result;
#else // defined(CTL_HW) && defined(HW_NCPU)
// TODO: grovel through /proc or check cpuid on x86 and similar