From 42ab61eeabe45359f46a8378e572e5c73a8adb36 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20v=2E=20L=C3=B6wis?= <martin@v.loewis.de>
Date: Sun, 17 Mar 2002 17:19:00 +0000
Subject: [PATCH] Document that _POSIX_SEMAPHORES is predefined.

---
 Python/thread_pthread.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Python/thread_pthread.h b/Python/thread_pthread.h
index 56aec4460de..556445e583a 100644
--- a/Python/thread_pthread.h
+++ b/Python/thread_pthread.h
@@ -11,6 +11,10 @@
 #undef destructor
 #endif
 #include <signal.h>
+
+/* The POSIX spec says that implementations supporting the sem_*
+   family of functions must indicate this by defining
+   _POSIX_SEMAPHORES. */   
 #ifdef _POSIX_SEMAPHORES
 #include <semaphore.h>
 #include <errno.h>