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-rw-r--r--src/threading/semaphore.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/threading/semaphore.cpp b/src/threading/semaphore.cpp
index 00332eaa0..77ceff509 100644
--- a/src/threading/semaphore.cpp
+++ b/src/threading/semaphore.cpp
@@ -26,6 +26,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#define UNUSED(expr) do { (void)(expr); } while (0)
#ifdef _WIN32
+ #include <climits>
#define MAX_SEMAPHORE_COUNT LONG_MAX - 1
#else
#include <cerrno>