From: Sam Gross <colesbury@gmail.com>
Date: Tue, 19 Sep 2023 17:35:11 +0000 (-0400)
Subject: gh-108724: Fix _PySemaphore compile error on WASM (gh-109583)
X-Git-Tag: v3.13.0a1~388
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9df6712c122b621dc5a1053ff1eccf0debfb2148;p=thirdparty%2FPython%2Fcpython.git

gh-108724: Fix _PySemaphore compile error on WASM (gh-109583)

Some WASM platforms have POSIX semaphores, but not sem_timedwait.
---

diff --git a/Include/internal/pycore_semaphore.h b/Include/internal/pycore_semaphore.h
index c1df83336290..2a4ecb7147ac 100644
--- a/Include/internal/pycore_semaphore.h
+++ b/Include/internal/pycore_semaphore.h
@@ -20,7 +20,8 @@
 #   error "Require native threads. See https://bugs.python.org/issue31370"
 #endif
 
-#if defined(_POSIX_SEMAPHORES) && (_POSIX_SEMAPHORES+0) != -1
+#if (defined(_POSIX_SEMAPHORES) && (_POSIX_SEMAPHORES+0) != -1 && \
+        defined(HAVE_SEM_TIMEDWAIT))
 #   define _Py_USE_SEMAPHORES
 #   include <semaphore.h>
 #endif